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#Want to skip this test from daily Valgrind execution --source include/no_valgrind_without_big.inc --disable_warnings DROP TABLE IF EXISTS t1,t2,t3,t4; --enable_warnings CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 < 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 = 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 >= 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 != 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t1; SELECT COUNT(c1) AS value FROM t1 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t1 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t2; SELECT COUNT(c1) AS value FROM t2 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t2 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t3; SELECT COUNT(c1) AS value FROM t3 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t3 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 TINYINT NOT NULL); CREATE TABLE t2(c1 TINYINT NULL); CREATE TABLE t3(c1 TINYINT NOT NULL); CREATE TABLE t4(c1 TINYINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 SMALLINT NOT NULL); CREATE TABLE t2(c1 SMALLINT NULL); CREATE TABLE t3(c1 SMALLINT NOT NULL); CREATE TABLE t4(c1 SMALLINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 MEDIUMINT NOT NULL); CREATE TABLE t2(c1 MEDIUMINT NULL); CREATE TABLE t3(c1 MEDIUMINT NOT NULL); CREATE TABLE t4(c1 MEDIUMINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INT NOT NULL); CREATE TABLE t2(c1 INT NULL); CREATE TABLE t3(c1 INT NOT NULL); CREATE TABLE t4(c1 INT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 INTEGER NOT NULL); CREATE TABLE t2(c1 INTEGER NULL); CREATE TABLE t3(c1 INTEGER NOT NULL); CREATE TABLE t4(c1 INTEGER NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 BIGINT NOT NULL); CREATE TABLE t2(c1 BIGINT NULL); CREATE TABLE t3(c1 BIGINT NOT NULL); CREATE TABLE t4(c1 BIGINT NULL); INSERT INTO t2 (c1) VALUES(NULL); INSERT INTO t3 (c1) VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9); INSERT INTO t4 (c1) VALUES(NULL), (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); SELECT COUNT(c1) AS value FROM t4; SELECT COUNT(c1) AS value FROM t4 WHERE c1 <=> 0; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NULL; SELECT COUNT(c1) AS value FROM t4 WHERE c1 IS NOT NULL; DROP TABLE t1,t2,t3,t4;