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# -- # -- Test case for Bug#21818. # -- DROP TABLE IF EXISTS t1; CREATE TABLE t1(a INT) ENGINE = MyISAM; INSERT INTO t1 VALUES (1), (2), (3); # -- Check 1. SELECT * FROM t1 INTO OUTFILE "MYSQL_TMP_DIR/bug21818.txt"; affected rows: 3 SELECT ROW_COUNT(); ROW_COUNT() 3 # -- Check 2. SELECT a FROM t1 LIMIT 1 INTO @a; affected rows: 1 SELECT ROW_COUNT(); ROW_COUNT() 1 # -- Check 3. DROP DATABASE IF EXISTS mysqltest1; CREATE DATABASE mysqltest1; affected rows: 1 SELECT ROW_COUNT(); ROW_COUNT() 1 DROP DATABASE mysqltest1; # -- Check 4. DELETE FROM t1; LOAD DATA INFILE 'MYSQL_TMP_DIR/bug21818.txt' INTO TABLE t1(a); affected rows: 3 info: Records: 3 Deleted: 0 Skipped: 0 Warnings: 0 SELECT ROW_COUNT(); ROW_COUNT() 3 # -- Check 5. ALTER TABLE t1 ADD COLUMN b VARCHAR(255); affected rows: 3 info: Records: 3 Duplicates: 0 Warnings: 0 SELECT ROW_COUNT(); ROW_COUNT() 3 DROP TABLE t1; # -- Check 6. DROP TABLE IF EXISTS t2; CREATE TABLE t1(a INT) ENGINE = MyISAM; CREATE TABLE t2(a INT) ENGINE = MyISAM; INSERT INTO t1 VALUES (1), (2), (3); INSERT INTO t2 VALUES (ROW_COUNT()); SELECT * FROM t2; a 3 DROP TABLE t1; DROP TABLE t2; # -- Check 7 (check that SQL errors reset row_count to -1). CREATE TABLE t1(a INT) ENGINE = MyISAM; INSERT INTO t1 VALUES (1), (2), (3); SELECT f1(); ERROR 42000: FUNCTION test.f1 does not exist SELECT ROW_COUNT(); ROW_COUNT() -1 DROP TABLE t1; # -- End of test case for Bug#21818.