config root man

--echo #
--echo # Test of rules where the parser gives warnings about the originial
--echo # query, pattern or replacement.
--echo #

--echo # Most of these tests are pointless unless the plugin accepts insert
--echo # statements as pattern, which it currently does not.

call mtr.add_suppression("Plugin rewriter reported: 'Some rules failed to load.'");

--source suite/query_rewrite_plugins/include/have_plugin_rewriter.inc
--source suite/query_rewrite_plugins/include/install_rewriter.inc

--echo # In rule 1, we get a warning during parsing of the replacement.
--echo # In rule 2, we get a warning during parsing of the pattern.
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'INSERT INTO test.t1 VALUES ( ? )',
         'INSERT DELAYED INTO test.t1 VALUES ( ? )' ),
       ( 'INSERT DELAYED INTO test.t1 VALUES ( ? )',
         'INSERT INTO test.t1 VALUES ( ? )' );

--error ER_SIGNAL_EXCEPTION
CALL query_rewrite.flush_rewrite_rules();

SELECT * FROM query_rewrite.rewrite_rules;

CREATE TABLE t1 ( a INT );

--echo # This will translate into INSERT DELAYED, which causes the parser to
--echo # warn.
INSERT INTO test.t1 VALUES ( 1 );

--echo # Here we get a warning during the parsing of the original query.
INSERT DELAYED INTO test.t1 VALUES ( 1 );

INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SHOW WARNINGS', 'SHOW /* I rewrote it */ WARNINGS' );

--error ER_SIGNAL_EXCEPTION
CALL query_rewrite.flush_rewrite_rules();

--echo # We want the note about the query being rewritten here ...
SHOW WARNINGS;
SHOW ERRORS;
GET DIAGNOSTICS CONDITION 1 @p1 = RETURNED_SQLSTATE, @p2 = MESSAGE_TEXT;
SELECT @p1;
SELECT @p2;

--echo # ... but not here, since we failed parsing after seeing SHOW WARNINGS.
--error ER_PARSE_ERROR
SHOW WARNINGS and give me a parse error, please;

DELETE FROM query_rewrite.rewrite_rules;

--echo # Test of warnings when we rewrite the diagnostics statement.  echo #
--echo # We disable mtr's SHOW WARNINGS here, as it would just be confusing
--echo # when it gets rewritten without us seeing it.
--disable_warnings
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SHOW WARNINGS', 'SELECT "used to be SHOW WARNINGS"' ),
       ( 'SELECT 1', 'SHOW WARNINGS' );

--error ER_SIGNAL_EXCEPTION
CALL query_rewrite.flush_rewrite_rules();

SELECT 1;

SHOW WARNINGS;

--enable_warnings
DROP TABLE t1;

--source suite/query_rewrite_plugins/include/uninstall_rewriter.inc