################################################################################ # inc/partition_trigg1.inc # # # # Purpose: # # Auxiliary script, only useful when sourced by inc/partition_check.inc. # # One trigger uses new values (--> event UPDATE, INSERT only) # # One trigger uses old values (--> event UPDATE, DELETE only) # # # # 1. Create a trigger # # 2. Execute a statement, which activates the trigger # # 3. Check the results of the trigger activity # # 4. Revert the modifications # # # #------------------------------------------------------------------------------# # Original Author: mleich # # Original Date: 2006-03-05 # # Change Author: # # Change Date: # # Change: # ################################################################################ # Test for operations, which have new values (INSERT+UPDATE, but not DELETE) if ($no_debug) { --disable_query_log } eval SELECT INSTR('$statement','DELETE') = 0 INTO @aux; let $run1= `SELECT @aux`; --enable_query_log if ($run1) { # Insert three records which are only needed for UPDATE TRIGGER test eval INSERT INTO $tab_has_trigg(f_int1,f_int2,f_char1,f_char2,f_charbig) SELECT -f_int1,-f_int1,CAST(-f_int1 AS CHAR),CAST(-f_int1 AS CHAR), 'just inserted' FROM t0_template WHERE f_int1 BETWEEN @max_row_div2 - 1 AND @max_row_div2 + 1; delimiter |; eval CREATE TRIGGER trg_1 $event ON $tab_has_trigg FOR EACH ROW BEGIN UPDATE $tab_in_trigg SET f_int1 = -f_int1, f_int2 = -f_int2, f_charbig = 'updated by trigger' WHERE f_int1 = new.f_int1; END| delimiter ;| eval $statement; # Check of preceding statement via Select if ($no_debug) { --disable_query_log } eval SELECT '# check trigger-$num success: ' AS "", COUNT(*) = 3 AS "" FROM $tab_in_trigg WHERE f_int1 = f_int2 AND CAST(f_char1 AS SIGNED INT) = -f_int1; --enable_query_log DROP TRIGGER trg_1; # Revert the changes eval UPDATE $tab_in_trigg SET f_int1 = CAST(f_char1 AS SIGNED INT), f_int2 = CAST(f_char1 AS SIGNED INT), f_charbig = 'just inserted' WHERE f_int1 <> CAST(f_char1 AS SIGNED INT); eval DELETE FROM $tab_has_trigg WHERE ABS(f_int1) BETWEEN @max_row_div2 - 1 AND @max_row_div2 + 1; inc $num; } # Test for operations, which have old values (UPDATE+DELETE, but not INSERT) if ($no_debug) { --disable_query_log } eval SELECT INSTR('$statement','INSERT') = 0 INTO @aux; let $run1= `SELECT @aux`; --enable_query_log if ($run1) { # Insert three records which are only needed for UPDATE/DELETE TRIGGER test eval INSERT INTO $tab_has_trigg(f_int1,f_int2,f_char1,f_char2,f_charbig) SELECT -f_int1,-f_int1,CAST(-f_int1 AS CHAR),CAST(-f_int1 AS CHAR), 'just inserted' FROM t0_template WHERE f_int1 BETWEEN @max_row_div2 - 1 AND @max_row_div2 + 1; delimiter |; eval CREATE TRIGGER trg_1 $event ON $tab_has_trigg FOR EACH ROW BEGIN UPDATE $tab_in_trigg SET f_int1 = -f_int1, f_int2 = -f_int2, f_charbig = 'updated by trigger' WHERE f_int1 = - old.f_int1; END| delimiter ;| eval $statement; # Check of preceding statement via Select if ($no_debug) { --disable_query_log } eval SELECT '# check trigger-$num success: ' AS "", COUNT(*) = 3 AS "" FROM $tab_in_trigg WHERE f_int1 = f_int2 AND CAST(f_char1 AS SIGNED INT) = -f_int1; --enable_query_log DROP TRIGGER trg_1; # Revert the changes eval UPDATE $tab_in_trigg SET f_int1 = CAST(f_char1 AS SIGNED INT), f_int2 = CAST(f_char1 AS SIGNED INT), f_charbig = 'just inserted' WHERE f_int1 <> CAST(f_char1 AS SIGNED INT); eval DELETE FROM $tab_has_trigg WHERE ABS(f_int1) BETWEEN @max_row_div2 - 1 AND @max_row_div2 + 1; inc $num; }