47 lines
1.2 KiB
Plaintext
47 lines
1.2 KiB
Plaintext
--echo #
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--echo # Test of prepared statements being rewritten.
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--echo #
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--source suite/query_rewrite_plugins/include/have_plugin_rewriter.inc
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CREATE TABLE t1 ( a INTEGER, b CHAR(1) );
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INSERT INTO t1 VALUES ( 1, 'a' ), ( 2, 'b' ), ( 3, 'c' );
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--source suite/query_rewrite_plugins/include/install_rewriter.inc
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INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
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VALUES ( 'SELECT a FROM test.t1 WHERE a = ?',
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'SELECT b FROM test.t1 WHERE a = ?' ),
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( 'SELECT 1, ?', 'SELECT "rewritten"' );
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CALL query_rewrite.flush_rewrite_rules();
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SELECT a FROM test.t1 WHERE a = 1;
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PREPARE stmt1 FROM 'SELECT a FROM test.t1 WHERE a = 1';
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EXECUTE stmt1;
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PREPARE stmt2 FROM 'SELECT a FROM test.t1 WHERE a = ?';
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SET @var = 1;
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EXECUTE stmt2 USING @var;
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SET @var = 2;
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EXECUTE stmt2 USING @var;
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SET @var = 3;
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EXECUTE stmt2 USING @var;
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PREPARE stmt3 FROM 'SELECT 1, ?';
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SET @var= 1;
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EXECUTE stmt3;
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--echo # Can't be rewritten. We rewrite at prepare time, when we don't know
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--echo # the value of the first '?'.
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PREPARE stmt3 FROM 'SELECT ?, ?';
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SET @var= 1;
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EXECUTE stmt3 USING @var, @var;
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DROP TABLE t1;
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--source suite/query_rewrite_plugins/include/uninstall_rewriter.inc
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