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# Test for prepared statement instrumentation --source include/not_embedded.inc --source include/have_perfschema.inc --source include/no_protocol.inc CREATE DATABASE db; USE db; --let $psi_select = SELECT STATEMENT_NAME, SQL_TEXT, COUNT_REPREPARE, COUNT_EXECUTE, SUM_ROWS_SENT, SUM_SELECT_SCAN, SUM_NO_INDEX_USED FROM performance_schema.prepared_statements_instances --let $psi_truncate = TRUNCATE TABLE performance_schema.prepared_statements_instances --let $eshl_select = SELECT EVENT_NAME, SQL_TEXT, OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME FROM performance_schema.events_statements_history_long WHERE CURRENT_SCHEMA='db' --let $eshl_truncate = TRUNCATE TABLE performance_schema.events_statements_history_long --eval $psi_truncate --eval $eshl_truncate --source suite/perfschema/include/prepared_stmts_setup.inc --vertical_results --eval $psi_select --eval $eshl_select --horizontal_results --source suite/perfschema/include/prepared_stmts_execution.inc --vertical_results --eval $psi_select --eval $eshl_select --horizontal_results # Truncate to reset the statistics --eval $psi_truncate # check whether the statistics are reset --vertical_results --eval $psi_select --horizontal_results --source suite/perfschema/include/prepared_stmts_deallocation.inc --vertical_results # select query on prepared_statements_instances table must return empty set --eval $psi_select --eval $eshl_select --horizontal_results # truncate --eval $eshl_truncate # # Test to check the instrumentation of prepared statements # when all consumers in setup_consumers are disabled. # # Disable all consumers UPDATE performance_schema.setup_consumers SET ENABLED = 'NO'; --source suite/perfschema/include/prepared_stmts_setup.inc --vertical_results --eval $psi_select --eval $eshl_select --horizontal_results --source suite/perfschema/include/prepared_stmts_execution.inc --vertical_results --eval $psi_select --eval $eshl_select --horizontal_results --source suite/perfschema/include/prepared_stmts_deallocation.inc --vertical_results --eval $psi_select --eval $eshl_select --horizontal_results # truncate --eval $eshl_truncate # restore the initial set-up of consumers table UPDATE performance_schema.setup_consumers SET ENABLED = 'YES'; # # Aggregation # PREPARE st FROM 'SELECT SUM(1000 + ?) AS total'; --vertical_results --eval $psi_select --horizontal_results SET @d=100; EXECUTE st USING @d; --vertical_results --eval $psi_select --horizontal_results let $i=5; while($i) { SET @d = @d + 100; EXECUTE st USING @d; --vertical_results --eval $psi_select --horizontal_results dec $i; } # truncate --eval $psi_truncate --vertical_results --eval $psi_select --horizontal_results # # check whether the instrumented prepared statement is removed from the # prepared_statement_instances table after de allocation of the prepared # statement even if instrumentation is disabled # # Disable prepared statement instrumentation UPDATE performance_schema.setup_instruments SET ENABLED = 'NO' WHERE NAME like "statement/sql/execute%"; SET @d=3274; # COUNT_EXECUTE should remain 0. No increment must be seen. EXECUTE st USING @d; --vertical_results --eval $psi_select --horizontal_results UPDATE performance_schema.setup_instruments SET ENABLED = 'NO' WHERE NAME like "statement/sql/prepare%"; DEALLOCATE PREPARE st; # should return empty set. --vertical_results --eval $psi_select --horizontal_results # Restore back teh initial set-up of setup_instruments table UPDATE performance_schema.setup_instruments SET ENABLED = 'YES' WHERE NAME like "statement/sql/prepare%"; UPDATE performance_schema.setup_instruments SET ENABLED = 'YES' WHERE NAME like "statement/sql/execute%"; # Reprepare CREATE TABLE tab( Id INT, name CHAR(10), age INT ); INSERT INTO tab VALUES(1,"Nakshatr",25),(2,"chanda",24),(3,"tejas",78); PREPARE st FROM 'SELECT * FROM tab'; --vertical_results --eval $psi_select --horizontal_results EXECUTE st; --vertical_results --eval $psi_select --horizontal_results ALTER TABLE tab DROP COLUMN age; EXECUTE st; --vertical_results --eval $psi_select --horizontal_results ALTER TABLE tab ADD COLUMN age INT NULL; EXECUTE st; --vertical_results --eval $psi_select --horizontal_results # check if the statistics are reset --eval $psi_truncate --vertical_results --eval $psi_select --horizontal_results DEALLOCATE PREPARE st; --vertical_results --eval $psi_select --horizontal_results # clean up # truncate --eval $psi_truncate --eval $eshl_truncate DROP TABLE tab; DROP DATABASE db;