106 lines
4.0 KiB
Plaintext
106 lines
4.0 KiB
Plaintext
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--echo #
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--echo # Bug #17059925 : UNIONS COMPUTES ROWS_EXAMINED INCORRECTLY
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--echo #
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## Save current state of slow log variables
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SET @old_slow_query_log= @@global.slow_query_log;
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SET @old_log_output= @@global.log_output;
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SET @old_long_query_time= @@long_query_time;
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SET GLOBAL log_output= "TABLE";
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SET GLOBAL slow_query_log= ON;
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SET SESSION long_query_time= 0;
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CREATE TABLE t17059925 (a INT, KEY a(a));
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CREATE TABLE t2 (b INT);
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CREATE TABLE t3 (c INT);
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INSERT INTO t17059925 VALUES (1);
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INSERT INTO t2 VALUES (4), (5), (6);
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INSERT INTO t3 VALUES (7), (8), (9);
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TRUNCATE table mysql.slow_log;
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--sorted_result
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SELECT sleep(0.5) FROM t17059925 UNION SELECT * FROM t2 UNION SELECT * FROM t3;
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SELECT sleep(0.5) FROM t17059925 UNION ALL SELECT * FROM t2 UNION ALL SELECT * FROM t3;
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## SELECT FROM NON TABLE.
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CREATE FUNCTION t17059925_func1 (a INT)
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RETURNS INT DETERMINISTIC
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RETURN a;
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SELECT t17059925_func1(1), sleep(0.5);
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SELECT sleep(0.5) from t17059925 UNION SELECT t17059925_func1(1);
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SELECT * FROM (SELECT t17059925_func1(1)) t WHERE 1= 0 UNION SELECT sleep(0.5);
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SELECT sleep(0.5) FROM t17059925 UNION SELECT * FROM (SELECT t17059925_func1(1)) t WHERE 1= 0 UNION SELECT t17059925_func1(1);
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SELECT 1 FROM dual WHERE 1= 0 UNION SELECT sleep(0.5);
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SELECT sleep(0.5) FROM t17059925 UNION SELECT 1 FROM dual WHERE 1= 0 UNION SELECT * FROM t2;
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--replace_column 9 ROWS
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EXPLAIN SELECT t17059925_func1(1);
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--replace_column 9 ROWS 10 # 11 #
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EXPLAIN SELECT * FROM t17059925 UNION SELECT t17059925_func1(1);
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## SELECT FROM CONST TABLE.
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SELECT * FROM t17059925 WHERE a= 10 AND a= 20 UNION SELECT sleep(0.5);
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SELECT * FROM t17059925 WHERE a= 10 UNION SELECT sleep(0.5);
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SELECT * FROM (SELECT * FROM t17059925 WHERE a= 10) t WHERE a = 10 UNION SELECT sleep(0.5);
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SELECT sleep(0.5) FROM t17059925 UNION SELECT * FROM t17059925 WHERE a= 10 AND a= 20 UNION SELECT * FROM t2;
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SELECT sleep(0.5) FROM t17059925 UNION ALL SELECT * FROM t17059925 WHERE a= 10 AND a= 20 UNION ALL SELECT * FROM t2;
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SELECT sleep(0.5) FROM t17059925 UNION SELECT * FROM (SELECT * FROM t17059925 WHERE a= 10) t WHERE a = 10 UNION SELECT * from t2;
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--replace_column 9 ROWS
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EXPLAIN SELECT * FROM t17059925 WHERE a= 10 AND a= 20;
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--replace_column 9 ROWS 10 # 11 #
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EXPLAIN SELECT * FROM t17059925 UNION SELECT * FROM t17059925 WHERE a= 10 AND a= 20;
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--sorted_result
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SELECT sql_text, rows_examined FROM mysql.slow_log WHERE (sql_text LIKE '%SELECT%t17059925%'
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AND sql_text NOT LIKE '%EXPLAIN%') OR sql_text LIKE '%dual%';
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DROP FUNCTION t17059925_func1;
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DROP TABLE t17059925, t2, t3;
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## Reset to initial values
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SET @@long_query_time= @old_long_query_time;
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SET @@global.log_output= @old_log_output;
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SET @@global.slow_query_log= @old_slow_query_log;
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#--echo #
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#--echo # Bug #18335504 MISSING INFORMATION IN SLOW QUERY LOG FOR SLOW HANDLER STATEMENTS
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#--echo #
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#
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#--echo #Setup
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#CREATE TABLE tbl_18335504(a INT, b INT, KEY i1(a));
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#INSERT INTO tbl_18335504 VALUES( 30, 1);
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#INSERT INTO tbl_18335504 VALUES( 20, 2);
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#INSERT INTO tbl_18335504 VALUES( 10, 3);
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#
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#SET @old_slow_query_log=@@global.slow_query_log;
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#SET @old_log_output=@@global.log_output;
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#SET @old_long_query_time=@@session.long_query_time;
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#
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#SET GLOBAL slow_query_log='on';
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#SET GLOBAL log_output='table';
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#SET SESSION long_query_time=1;
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#
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#--echo #Execution
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#HANDLER tbl_18335504 OPEN;
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#HANDLER tbl_18335504 READ FIRST WHERE b = 2 AND 1 > sleep(2);
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#HANDLER tbl_18335504 READ i1 FIRST WHERE a = 20 AND 1 > sleep(2);
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#
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#HANDLER tbl_18335504 READ i1 FIRST WHERE a > 10 AND 1 > sleep(2) LIMIT 5;
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#HANDLER tbl_18335504 READ FIRST WHERE b > 1 AND 1 > sleep(2) LIMIT 5;
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#
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#--echo # rows_sent, rows_examined should be non-zero value
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#SELECT sql_text, rows_sent, rows_examined FROM mysql.slow_log WHERE sql_text LIKE '%tbl_18335504%';
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#
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#HANDLER tbl_18335504 CLOSE;
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#
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#--echo #Cleanup
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#DROP TABLE tbl_18335504;
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#
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#SET @@global.slow_query_log=@old_slow_query_log;
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#SET @@global.log_output=@old_log_output;
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#SET @@session.long_query_time=@old_long_query_time;
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--source suite/xengine/include/check_xengine_log_error.inc
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