# # MDEV-16708: Unsupported commands for prepared statements # SET @save_storage_engine= @@default_storage_engine; SET default_storage_engine= InnoDB; # Test case 1: Check that the statement 'LOAD DATA' is supported # by prepared statements # First, set up environment for use by the statement 'LOAD DATA' CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1); COMMIT; SELECT * INTO OUTFILE 'load.data' FROM t1; LOAD DATA INFILE 'load.data' INTO TABLE t1; SELECT * FROM t1; a 1 1 # Clean up DROP TABLE t1; # Test case 2: Check that the statements 'LOCK TABLE', 'UNLOCK TABLES' # are supported by prepared statements CREATE TABLE t1 (a INT); LOCK TABLE t1 READ; UNLOCK TABLE; LOCK TABLE t1 WRITE; # Clean up UNLOCK TABLE; DROP TABLE t1; # Test case 3: Check that the statement 'USE' is supported by # prepared statements CREATE DATABASE mdev_16708_db; USE mdev_16708_db; # Check that the current database has been changed SELECT DATABASE(); DATABASE() mdev_16708_db # Clean up USE test; DROP DATABASE mdev_16708_db; # Test case 4: Check that the statement 'ALTER DATABASE' is supported # by prepared statements CREATE DATABASE mdev_16708_db; ALTER DATABASE mdev_16708_db COMMENT 'New comment on database'; # Clean up DROP DATABASE mdev_16708_db; # Test case 5: Check that the statements 'CREATE FUNCTION/ALTER FUNCTION/ # DROP FUNCTION' are supported by prepared statements CREATE FUNCTION f1() RETURNS INT RETURN 1; ALTER FUNCTION f1 SQL SECURITY INVOKER; DROP FUNCTION f1; # Test case 6: Check that the statements 'CHECK TABLE' is supported # by prepared statements CREATE TABLE t1 (a INT); CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK # Clean up DROP TABLE t1; # Test case 7: Check that the statements BEGIN/SAVEPOINT/ # RELEASE SAVEPOINT is supported by prepared statements # Set up environmentr for the test case CREATE TABLE t1 (a INT); BEGIN; INSERT INTO t1 VALUES (1); SAVEPOINT s1; INSERT INTO t1 VALUES (2); # Expected rows: '1' and '2' SELECT * FROM t1; a 1 2 # Rollback the last row inserted ('2') ROLLBACK TO SAVEPOINT s1; # Expected output from t1 after transaction was rolled back # to the savepoint is '1'. If it is case then the statement SAVEPOINT # was handled successfully with prepared statement SELECT * FROM t1; a 1 RELEASE SAVEPOINT s1; # Clean up DROP TABLE t1; # Test case 8: Check that the statements 'PURGE BINARY LOGS BEFORE' # is supported by prepared statements PURGE BINARY LOGS BEFORE '2020-11-17'; # Check that the statements 'PURGE BINARY LOGS TO' is supported by # prepared statements PURGE BINARY LOGS TO 'mariadb-bin.000063'; # Test case 9: Check that the statements 'HANDLER OPEN/HANDLER READ/ # HANDLER CLOSE' are supported by prepared statements CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1); COMMIT; HANDLER t1 OPEN; HANDLER t1 READ FIRST; a 1 HANDLER t1 READ NEXT; a 1 HANDLER t1 CLOSE; # Clean up DROP TABLE t1; # Test case 10: Check that the statements 'HELP' # is supported by prepared statements INSERT INTO mysql.help_topic VALUES (0, 'Tamagotchi', 0, 'This digital pet is not a KB article', 'no example', 'https://tamagotchi.com/'); HELP `Tamagotchi`; name description example Tamagotchi This digital pet is not a KB article no example DELETE FROM mysql.help_topic WHERE help_topic_id = 0; # Test case 11: Check that the statements CREATE/ALTER/DROP PROCEDURE # are supported by prepared statements CREATE PROCEDURE p1() SET @a=1; ALTER PROCEDURE p1 SQL SECURITY INVOKER; DROP PROCEDURE p1; # Test case 12: Check that the statement 'CALL' is supported # by prepared statements. CREATE PROCEDURE p1() SET @a=1; CALL p1(); # Check that the @a variable has been set SELECT @a; @a 1 DROP PROCEDURE p1; # Test case 13: Check that the statements PREPARE FROM/EXECUTE/ # DEALLOCAT PREPARE can be executed as prepared statements. PREPARE stmt_1 FROM 'SELECT 1'; # Now execute the prepared statement with the name stmt_1 # It is expected that output contains the single row '1' EXECUTE stmt_1; 1 1 DEALLOCATE PREPARE stmt_1; # Test case 14: Check that the statement 'CREATE VIEW' can be executed # as a prepared statement. # Create environment for the test case CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1); COMMIT; CREATE VIEW v1 AS SELECT * FROM t1; # Query the view. Expected result is the row '1' SELECT * FROM v1; a 1 # Clean up DROP VIEW v1; DROP TABLE t1; # Test case 15: Check that the statements CREATE/DROP TRIGGER can be executed # as prepared statements. CREATE TABLE t1 (a INT); CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW SET @a=1; DROP TRIGGER trg1; DROP TABLE t1; # Test case 16: Check that XA related SQL statements can be executed in # as prepared statements. # Create the table t1 used by XA transaction. CREATE TABLE t1 (a INT); XA START 'xid1'; INSERT INTO t1 VALUES (1); XA END 'xid1'; XA PREPARE 'xid1'; XA RECOVER; formatID gtrid_length bqual_length data 1 4 0 xid1 XA COMMIT 'xid1'; # Query the table t1 to check that it contains a record inserted by XA # transaction just committed. SELECT * FROM t1; a 1 # Check that XA ROLLBACK is supported by prepared statements # First, clean up the table t1 that was filled by just # committed XA transaction TRUNCATE TABLE t1; XA START 'xid1'; INSERT INTO t1 VALUES (1); XA END 'xid1'; XA PREPARE 'xid1'; XA RECOVER; formatID gtrid_length bqual_length data 1 4 0 xid1 XA ROLLBACK 'xid1'; # Query the table t1 to check that it doesn't contain a record # inserted by XA transaction just rollbacked. SELECT * FROM t1; a # Clean up DROP TABLE t1; # Test case 17: Check that the statements CREATE SERVER/ALTER SERVER/ # DROP SERVER can be executed # as a prepared statement. CREATE SERVER s FOREIGN DATA WRAPPER mysql OPTIONS (USER 'u1', HOST '127.0.0.1'); ALTER SERVER s OPTIONS (USER 'u2'); DROP SERVER s; # Test Test case 21: Check the statements 'BACKUP'/'BACKUP STAGE' # can be executed as a prepared statement CREATE TABLE t1 (a INT); BACKUP LOCK t1; BACKUP UNLOCK; BACKUP STAGE START; BACKUP STAGE BLOCK_COMMIT; BACKUP STAGE END; DROP TABLE t1; # Test case 22: Check the the statement 'GET DIAGNOSTICS' # can be executed as a prepared statement # Query from non existent table to fill the diagnostics area with information SELECT * FROM non_existent_table_1; ERROR 42S02: Table 'test.non_existent_table_1' doesn't exist GET DIAGNOSTICS CONDITION 1 @sqlstate = RETURNED_SQLSTATE, @errno = MYSQL_ERRNO, @text = MESSAGE_TEXT; # Check that information from diagnostics area has been retrieved SELECT @sqlstate, @errno, @text; @sqlstate @errno @text 42S02 1146 Table 'test.non_existent_table_1' doesn't exist # Clean up # Test case 23: Check that the statements SIGNAL and RESIGNAL can be executed as # a prepared statement SIGNAL SQLSTATE '45000' SET MYSQL_ERRNO=30001, MESSAGE_TEXT='Hello, world!'; ERROR 45000: Hello, world! RESIGNAL SET MESSAGE_TEXT = 'New error message'; ERROR 0K000: RESIGNAL when handler not active SET default_storage_engine= @save_storage_engine;