# Tests for PERFORMANCE_SCHEMA #setup let $select_column = ORDINAL_POSITION; let $table = performance_schema.session_connect_attrs; select PROCESSLIST_ID from performance_schema.session_connect_attrs limit 1 into @plid; ########################################################################## # Test index on PROCESSLIST_ID, ATTR_NAME ########################################################################## let $column_count = 2; let $col1 = PROCESSLIST_ID; let $col2 = ATTR_NAME; let $col1_act = @plid; let $col2_act = "_os"; --source ../include/idx_explain_test.inc