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# # Tests that the optional column columns work both of they are present # and absent. PATTERN_DIGEST and NORMALIZED_PATTERN are optional write- # only columns that are not present by default. The MESSAGE column is # optional, but included in the install script by default. # Warnings: Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release. Warnings: Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release. # Query rewrite plugin was installed. # # Testing with PATTERN_DIGEST and NORMALIZED_PATTERN columns. # CREATE TABLE t1 ( a VARCHAR(10), b VARCHAR(10) ); INSERT INTO t1 VALUES ( 'abc', 'def' ), ( 'ghi', 'klm' ), ( 'nop', 'qrs' ); CREATE TABLE t2 ( a VARCHAR(10) ); INSERT INTO t2 VALUES ( 'abc' ), ( 'klm' ); # Test of literals matching. INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT ?', 'SELECT "literal"' ); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message pattern_digest normalized_pattern 1 SELECT ? NULL SELECT "literal" YES NULL NULL NULL CALL query_rewrite.flush_rewrite_rules(); Warnings: Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release. SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message pattern_digest normalized_pattern 1 SELECT ? NULL SELECT "literal" YES NULL 3d4fc22e33e10d7235eced3c75a84c2c select ? SELECT NULL; literal literal Warnings: Note 1105 Query 'SELECT NULL' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 'abc'; literal literal Warnings: Note 1105 Query 'SELECT 'abc'' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 1; literal literal Warnings: Note 1105 Query 'SELECT 1' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 1.1; literal literal Warnings: Note 1105 Query 'SELECT 1.1' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 123456789123456789123456789123456789123456789123456789; literal literal Warnings: Note 1105 Query 'SELECT 123456789123456789123456789123456789123456789123456789' rewritten to 'SELECT "literal"' by a query rewrite plugin # Check our status variables. SHOW STATUS LIKE 'Rewriter%'; Variable_name Value Rewriter_number_loaded_rules 1 Rewriter_number_reloads 2 Rewriter_number_rewritten_queries 5 Rewriter_reload_error OFF DELETE FROM query_rewrite.rewrite_rules; INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ?', 'SELECT a FROM test.t1 WHERE a = ?' ), ( 'SELECT a FROM test.t1', 'SELECT * FROM test.t1 WHERE a = \'abc\'' ), ( 'SELECT a FROM test.t1 WHERE b = ?', 'SELECT * FROM test.t1 WHERE b = ?' ), ( 'SELECT * FROM test.t2', 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' ), ( 'SELECT * FROM test.t1 WHERE a = ? OR b = ?', 'SELECT * FROM test.t1 WHERE b = ? OR a = ?' ); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message pattern_digest normalized_pattern 2 SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ? NULL SELECT a FROM test.t1 WHERE a = ? YES NULL NULL NULL 3 SELECT a FROM test.t1 NULL SELECT * FROM test.t1 WHERE a = 'abc' YES NULL NULL NULL 4 SELECT a FROM test.t1 WHERE b = ? NULL SELECT * FROM test.t1 WHERE b = ? YES NULL NULL NULL 5 SELECT * FROM test.t2 NULL SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a YES NULL NULL NULL 6 SELECT * FROM test.t1 WHERE a = ? OR b = ? NULL SELECT * FROM test.t1 WHERE b = ? OR a = ? YES NULL NULL NULL CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message pattern_digest normalized_pattern 2 SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ? NULL SELECT a FROM test.t1 WHERE a = ? YES NULL abcc8e5c0ca2b1bd493606aeadb23a78 select `*` from `test`.`t1` where (((`a` = ?) and ?) or (`b` = ?)) 3 SELECT a FROM test.t1 NULL SELECT * FROM test.t1 WHERE a = 'abc' YES NULL a68f8405e383726e9a41295fe1ce5460 select `a` from `test`.`t1` 4 SELECT a FROM test.t1 WHERE b = ? NULL SELECT * FROM test.t1 WHERE b = ? YES NULL 2500f673a570ddb20ab448b717c49ee4 select `a` from `test`.`t1` where (`b` = ?) 5 SELECT * FROM test.t2 NULL SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a YES NULL 938f59280d6ad2fa2f500aeeae6a5232 select `*` from `test`.`t2` 6 SELECT * FROM test.t1 WHERE a = ? OR b = ? NULL SELECT * FROM test.t1 WHERE b = ? OR a = ? YES NULL 629ae8152128638e35ea25458b38c94e select `*` from `test`.`t1` where ((`a` = ?) or (`b` = ?)) # Check a query that doesn't have a rewrite rule doesn't get rewritten. SELECT b FROM test.t1; b def klm qrs # Check a query with just one parameter. SELECT a FROM test.t1 WHERE b = 'qrs'; a b nop qrs Warnings: Note 1105 Query 'SELECT a FROM test.t1 WHERE b = 'qrs'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'qrs'' by a query rewrite plugin # Check a rule with parameter truncation (fewer parameters in the # output query than in the input query); SELECT * FROM test.t1 WHERE ( a = 'abc' AND TRUE ) OR b = 'klm'; a abc Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE ( a = 'abc' AND TRUE ) OR b = 'klm'' rewritten to 'SELECT a FROM test.t1 WHERE a = 'abc'' by a query rewrite plugin SELECT * FROM test.t1 WHERE ( a = 'abc' AND FALSE ) OR b = 'klm'; a b ghi klm # Check a non parameterized query. SELECT * from t1 WHERE a = 'abc'; a b abc def # Check that a non-rewritten query does not yield a warning. SELECT b FROM test.t1; b def klm qrs # Check that a query is not rewritten if the query corresponds to a # replacement. SELECT a FROM test.t1; a b abc def Warnings: Note 1105 Query 'SELECT a FROM test.t1' rewritten to 'SELECT * FROM test.t1 WHERE a = 'abc'' by a query rewrite plugin # Check that we can execute a rewrite more than once. SELECT * FROM test.t2; a b a abc def abc Warnings: Note 1105 Query 'SELECT * FROM test.t2' rewritten to 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' by a query rewrite plugin SELECT * FROM test.t2; a b a abc def abc Warnings: Note 1105 Query 'SELECT * FROM test.t2' rewritten to 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' by a query rewrite plugin # Remove the warnings. SELECT b FROM test.t1; b def klm qrs # Check parameter switching in a query rewrite SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Verify with whitespace. SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Verify with comments. SELECT * FROM test.t1 WHERE a =/* 'def' ? */'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a =/* 'def' ? */'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Check our status variables. SHOW STATUS LIKE 'Rewriter%'; Variable_name Value Rewriter_number_loaded_rules 5 Rewriter_number_reloads 3 Rewriter_number_rewritten_queries 13 Rewriter_reload_error OFF DROP TABLE t1; DROP TABLE t2; DELETE FROM query_rewrite.rewrite_rules; # Test of literals matching. INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT 1, ?', 'SELECT "rewritten w/rule 1"' ), ( 'SELECT 2, ?', 'SELECT "rewritten w/rule 2"' ), ( 'SELECT "The_original_query"', 'SELECT "The_rewritten_query"'); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message pattern_digest normalized_pattern 7 SELECT 1, ? NULL SELECT "rewritten w/rule 1" YES NULL NULL NULL 8 SELECT 2, ? NULL SELECT "rewritten w/rule 2" YES NULL NULL NULL 9 SELECT "The_original_query" NULL SELECT "The_rewritten_query" YES NULL NULL NULL CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message pattern_digest normalized_pattern 7 SELECT 1, ? NULL SELECT "rewritten w/rule 1" YES NULL c99d4aa0a93768bd2b9f1ba0f551af7a select ?,? 8 SELECT 2, ? NULL SELECT "rewritten w/rule 2" YES NULL c99d4aa0a93768bd2b9f1ba0f551af7a select ?,? 9 SELECT "The_original_query" NULL SELECT "The_rewritten_query" YES NULL 3d4fc22e33e10d7235eced3c75a84c2c select ? SELECT 1, 1; rewritten w/rule 1 rewritten w/rule 1 Warnings: Note 1105 Query 'SELECT 1, 1' rewritten to 'SELECT "rewritten w/rule 1"' by a query rewrite plugin SELECT 1, 2; rewritten w/rule 1 rewritten w/rule 1 Warnings: Note 1105 Query 'SELECT 1, 2' rewritten to 'SELECT "rewritten w/rule 1"' by a query rewrite plugin SELECT 2, 1; rewritten w/rule 2 rewritten w/rule 2 Warnings: Note 1105 Query 'SELECT 2, 1' rewritten to 'SELECT "rewritten w/rule 2"' by a query rewrite plugin SELECT 2, 2; rewritten w/rule 2 rewritten w/rule 2 Warnings: Note 1105 Query 'SELECT 2, 2' rewritten to 'SELECT "rewritten w/rule 2"' by a query rewrite plugin SELECT 3, 1; 3 1 3 1 SELECT 3, 2; 3 2 3 2 SELECT 'The_original_query'; The_rewritten_query The_rewritten_query Warnings: Note 1105 Query 'SELECT 'The_original_query'' rewritten to 'SELECT "The_rewritten_query"' by a query rewrite plugin DELETE FROM query_rewrite.rewrite_rules; DELETE FROM query_rewrite.rewrite_rules; # # Testing with a NORMALIZED_PATTERN column. # ALTER TABLE query_rewrite.rewrite_rules DROP COLUMN pattern_digest; CREATE TABLE t1 ( a VARCHAR(10), b VARCHAR(10) ); INSERT INTO t1 VALUES ( 'abc', 'def' ), ( 'ghi', 'klm' ), ( 'nop', 'qrs' ); CREATE TABLE t2 ( a VARCHAR(10) ); INSERT INTO t2 VALUES ( 'abc' ), ( 'klm' ); # Test of literals matching. INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT ?', 'SELECT "literal"' ); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message normalized_pattern 10 SELECT ? NULL SELECT "literal" YES NULL NULL CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message normalized_pattern 10 SELECT ? NULL SELECT "literal" YES NULL select ? SELECT NULL; literal literal Warnings: Note 1105 Query 'SELECT NULL' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 'abc'; literal literal Warnings: Note 1105 Query 'SELECT 'abc'' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 1; literal literal Warnings: Note 1105 Query 'SELECT 1' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 1.1; literal literal Warnings: Note 1105 Query 'SELECT 1.1' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 123456789123456789123456789123456789123456789123456789; literal literal Warnings: Note 1105 Query 'SELECT 123456789123456789123456789123456789123456789123456789' rewritten to 'SELECT "literal"' by a query rewrite plugin # Check our status variables. SHOW STATUS LIKE 'Rewriter%'; Variable_name Value Rewriter_number_loaded_rules 1 Rewriter_number_reloads 5 Rewriter_number_rewritten_queries 23 Rewriter_reload_error OFF DELETE FROM query_rewrite.rewrite_rules; INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ?', 'SELECT a FROM test.t1 WHERE a = ?' ), ( 'SELECT a FROM test.t1', 'SELECT * FROM test.t1 WHERE a = \'abc\'' ), ( 'SELECT a FROM test.t1 WHERE b = ?', 'SELECT * FROM test.t1 WHERE b = ?' ), ( 'SELECT * FROM test.t2', 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' ), ( 'SELECT * FROM test.t1 WHERE a = ? OR b = ?', 'SELECT * FROM test.t1 WHERE b = ? OR a = ?' ); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message normalized_pattern 11 SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ? NULL SELECT a FROM test.t1 WHERE a = ? YES NULL NULL 12 SELECT a FROM test.t1 NULL SELECT * FROM test.t1 WHERE a = 'abc' YES NULL NULL 13 SELECT a FROM test.t1 WHERE b = ? NULL SELECT * FROM test.t1 WHERE b = ? YES NULL NULL 14 SELECT * FROM test.t2 NULL SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a YES NULL NULL 15 SELECT * FROM test.t1 WHERE a = ? OR b = ? NULL SELECT * FROM test.t1 WHERE b = ? OR a = ? YES NULL NULL CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message normalized_pattern 11 SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ? NULL SELECT a FROM test.t1 WHERE a = ? YES NULL select `*` from `test`.`t1` where (((`a` = ?) and ?) or (`b` = ?)) 12 SELECT a FROM test.t1 NULL SELECT * FROM test.t1 WHERE a = 'abc' YES NULL select `a` from `test`.`t1` 13 SELECT a FROM test.t1 WHERE b = ? NULL SELECT * FROM test.t1 WHERE b = ? YES NULL select `a` from `test`.`t1` where (`b` = ?) 14 SELECT * FROM test.t2 NULL SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a YES NULL select `*` from `test`.`t2` 15 SELECT * FROM test.t1 WHERE a = ? OR b = ? NULL SELECT * FROM test.t1 WHERE b = ? OR a = ? YES NULL select `*` from `test`.`t1` where ((`a` = ?) or (`b` = ?)) # Check a query that doesn't have a rewrite rule doesn't get rewritten. SELECT b FROM test.t1; b def klm qrs # Check a query with just one parameter. SELECT a FROM test.t1 WHERE b = 'qrs'; a b nop qrs Warnings: Note 1105 Query 'SELECT a FROM test.t1 WHERE b = 'qrs'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'qrs'' by a query rewrite plugin # Check a rule with parameter truncation (fewer parameters in the # output query than in the input query); SELECT * FROM test.t1 WHERE ( a = 'abc' AND TRUE ) OR b = 'klm'; a abc Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE ( a = 'abc' AND TRUE ) OR b = 'klm'' rewritten to 'SELECT a FROM test.t1 WHERE a = 'abc'' by a query rewrite plugin SELECT * FROM test.t1 WHERE ( a = 'abc' AND FALSE ) OR b = 'klm'; a b ghi klm # Check a non parameterized query. SELECT * from t1 WHERE a = 'abc'; a b abc def # Check that a non-rewritten query does not yield a warning. SELECT b FROM test.t1; b def klm qrs # Check that a query is not rewritten if the query corresponds to a # replacement. SELECT a FROM test.t1; a b abc def Warnings: Note 1105 Query 'SELECT a FROM test.t1' rewritten to 'SELECT * FROM test.t1 WHERE a = 'abc'' by a query rewrite plugin # Check that we can execute a rewrite more than once. SELECT * FROM test.t2; a b a abc def abc Warnings: Note 1105 Query 'SELECT * FROM test.t2' rewritten to 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' by a query rewrite plugin SELECT * FROM test.t2; a b a abc def abc Warnings: Note 1105 Query 'SELECT * FROM test.t2' rewritten to 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' by a query rewrite plugin # Remove the warnings. SELECT b FROM test.t1; b def klm qrs # Check parameter switching in a query rewrite SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Verify with whitespace. SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Verify with comments. SELECT * FROM test.t1 WHERE a =/* 'def' ? */'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a =/* 'def' ? */'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Check our status variables. SHOW STATUS LIKE 'Rewriter%'; Variable_name Value Rewriter_number_loaded_rules 5 Rewriter_number_reloads 6 Rewriter_number_rewritten_queries 31 Rewriter_reload_error OFF DROP TABLE t1; DROP TABLE t2; DELETE FROM query_rewrite.rewrite_rules; # Test of literals matching. INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT 1, ?', 'SELECT "rewritten w/rule 1"' ), ( 'SELECT 2, ?', 'SELECT "rewritten w/rule 2"' ), ( 'SELECT "The_original_query"', 'SELECT "The_rewritten_query"'); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message normalized_pattern 16 SELECT 1, ? NULL SELECT "rewritten w/rule 1" YES NULL NULL 17 SELECT 2, ? NULL SELECT "rewritten w/rule 2" YES NULL NULL 18 SELECT "The_original_query" NULL SELECT "The_rewritten_query" YES NULL NULL CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled message normalized_pattern 16 SELECT 1, ? NULL SELECT "rewritten w/rule 1" YES NULL select ?,? 17 SELECT 2, ? NULL SELECT "rewritten w/rule 2" YES NULL select ?,? 18 SELECT "The_original_query" NULL SELECT "The_rewritten_query" YES NULL select ? SELECT 1, 1; rewritten w/rule 1 rewritten w/rule 1 Warnings: Note 1105 Query 'SELECT 1, 1' rewritten to 'SELECT "rewritten w/rule 1"' by a query rewrite plugin SELECT 1, 2; rewritten w/rule 1 rewritten w/rule 1 Warnings: Note 1105 Query 'SELECT 1, 2' rewritten to 'SELECT "rewritten w/rule 1"' by a query rewrite plugin SELECT 2, 1; rewritten w/rule 2 rewritten w/rule 2 Warnings: Note 1105 Query 'SELECT 2, 1' rewritten to 'SELECT "rewritten w/rule 2"' by a query rewrite plugin SELECT 2, 2; rewritten w/rule 2 rewritten w/rule 2 Warnings: Note 1105 Query 'SELECT 2, 2' rewritten to 'SELECT "rewritten w/rule 2"' by a query rewrite plugin SELECT 3, 1; 3 1 3 1 SELECT 3, 2; 3 2 3 2 SELECT 'The_original_query'; The_rewritten_query The_rewritten_query Warnings: Note 1105 Query 'SELECT 'The_original_query'' rewritten to 'SELECT "The_rewritten_query"' by a query rewrite plugin DELETE FROM query_rewrite.rewrite_rules; DELETE FROM query_rewrite.rewrite_rules; # # Testing with a NORMALIZED_PATTERN column but no MESSAGE column. # ALTER TABLE query_rewrite.rewrite_rules DROP COLUMN message; CREATE TABLE t1 ( a VARCHAR(10), b VARCHAR(10) ); INSERT INTO t1 VALUES ( 'abc', 'def' ), ( 'ghi', 'klm' ), ( 'nop', 'qrs' ); CREATE TABLE t2 ( a VARCHAR(10) ); INSERT INTO t2 VALUES ( 'abc' ), ( 'klm' ); # Test of literals matching. INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT ?', 'SELECT "literal"' ); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled normalized_pattern 19 SELECT ? NULL SELECT "literal" YES NULL CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled normalized_pattern 19 SELECT ? NULL SELECT "literal" YES select ? SELECT NULL; literal literal Warnings: Note 1105 Query 'SELECT NULL' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 'abc'; literal literal Warnings: Note 1105 Query 'SELECT 'abc'' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 1; literal literal Warnings: Note 1105 Query 'SELECT 1' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 1.1; literal literal Warnings: Note 1105 Query 'SELECT 1.1' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 123456789123456789123456789123456789123456789123456789; literal literal Warnings: Note 1105 Query 'SELECT 123456789123456789123456789123456789123456789123456789' rewritten to 'SELECT "literal"' by a query rewrite plugin # Check our status variables. SHOW STATUS LIKE 'Rewriter%'; Variable_name Value Rewriter_number_loaded_rules 1 Rewriter_number_reloads 8 Rewriter_number_rewritten_queries 41 Rewriter_reload_error OFF DELETE FROM query_rewrite.rewrite_rules; INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ?', 'SELECT a FROM test.t1 WHERE a = ?' ), ( 'SELECT a FROM test.t1', 'SELECT * FROM test.t1 WHERE a = \'abc\'' ), ( 'SELECT a FROM test.t1 WHERE b = ?', 'SELECT * FROM test.t1 WHERE b = ?' ), ( 'SELECT * FROM test.t2', 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' ), ( 'SELECT * FROM test.t1 WHERE a = ? OR b = ?', 'SELECT * FROM test.t1 WHERE b = ? OR a = ?' ); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled normalized_pattern 20 SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ? NULL SELECT a FROM test.t1 WHERE a = ? YES NULL 21 SELECT a FROM test.t1 NULL SELECT * FROM test.t1 WHERE a = 'abc' YES NULL 22 SELECT a FROM test.t1 WHERE b = ? NULL SELECT * FROM test.t1 WHERE b = ? YES NULL 23 SELECT * FROM test.t2 NULL SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a YES NULL 24 SELECT * FROM test.t1 WHERE a = ? OR b = ? NULL SELECT * FROM test.t1 WHERE b = ? OR a = ? YES NULL CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled normalized_pattern 20 SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ? NULL SELECT a FROM test.t1 WHERE a = ? YES select `*` from `test`.`t1` where (((`a` = ?) and ?) or (`b` = ?)) 21 SELECT a FROM test.t1 NULL SELECT * FROM test.t1 WHERE a = 'abc' YES select `a` from `test`.`t1` 22 SELECT a FROM test.t1 WHERE b = ? NULL SELECT * FROM test.t1 WHERE b = ? YES select `a` from `test`.`t1` where (`b` = ?) 23 SELECT * FROM test.t2 NULL SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a YES select `*` from `test`.`t2` 24 SELECT * FROM test.t1 WHERE a = ? OR b = ? NULL SELECT * FROM test.t1 WHERE b = ? OR a = ? YES select `*` from `test`.`t1` where ((`a` = ?) or (`b` = ?)) # Check a query that doesn't have a rewrite rule doesn't get rewritten. SELECT b FROM test.t1; b def klm qrs # Check a query with just one parameter. SELECT a FROM test.t1 WHERE b = 'qrs'; a b nop qrs Warnings: Note 1105 Query 'SELECT a FROM test.t1 WHERE b = 'qrs'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'qrs'' by a query rewrite plugin # Check a rule with parameter truncation (fewer parameters in the # output query than in the input query); SELECT * FROM test.t1 WHERE ( a = 'abc' AND TRUE ) OR b = 'klm'; a abc Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE ( a = 'abc' AND TRUE ) OR b = 'klm'' rewritten to 'SELECT a FROM test.t1 WHERE a = 'abc'' by a query rewrite plugin SELECT * FROM test.t1 WHERE ( a = 'abc' AND FALSE ) OR b = 'klm'; a b ghi klm # Check a non parameterized query. SELECT * from t1 WHERE a = 'abc'; a b abc def # Check that a non-rewritten query does not yield a warning. SELECT b FROM test.t1; b def klm qrs # Check that a query is not rewritten if the query corresponds to a # replacement. SELECT a FROM test.t1; a b abc def Warnings: Note 1105 Query 'SELECT a FROM test.t1' rewritten to 'SELECT * FROM test.t1 WHERE a = 'abc'' by a query rewrite plugin # Check that we can execute a rewrite more than once. SELECT * FROM test.t2; a b a abc def abc Warnings: Note 1105 Query 'SELECT * FROM test.t2' rewritten to 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' by a query rewrite plugin SELECT * FROM test.t2; a b a abc def abc Warnings: Note 1105 Query 'SELECT * FROM test.t2' rewritten to 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' by a query rewrite plugin # Remove the warnings. SELECT b FROM test.t1; b def klm qrs # Check parameter switching in a query rewrite SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Verify with whitespace. SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Verify with comments. SELECT * FROM test.t1 WHERE a =/* 'def' ? */'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a =/* 'def' ? */'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Check our status variables. SHOW STATUS LIKE 'Rewriter%'; Variable_name Value Rewriter_number_loaded_rules 5 Rewriter_number_reloads 9 Rewriter_number_rewritten_queries 49 Rewriter_reload_error OFF DROP TABLE t1; DROP TABLE t2; DELETE FROM query_rewrite.rewrite_rules; # Test of literals matching. INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT 1, ?', 'SELECT "rewritten w/rule 1"' ), ( 'SELECT 2, ?', 'SELECT "rewritten w/rule 2"' ), ( 'SELECT "The_original_query"', 'SELECT "The_rewritten_query"'); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled normalized_pattern 25 SELECT 1, ? NULL SELECT "rewritten w/rule 1" YES NULL 26 SELECT 2, ? NULL SELECT "rewritten w/rule 2" YES NULL 27 SELECT "The_original_query" NULL SELECT "The_rewritten_query" YES NULL CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled normalized_pattern 25 SELECT 1, ? NULL SELECT "rewritten w/rule 1" YES select ?,? 26 SELECT 2, ? NULL SELECT "rewritten w/rule 2" YES select ?,? 27 SELECT "The_original_query" NULL SELECT "The_rewritten_query" YES select ? SELECT 1, 1; rewritten w/rule 1 rewritten w/rule 1 Warnings: Note 1105 Query 'SELECT 1, 1' rewritten to 'SELECT "rewritten w/rule 1"' by a query rewrite plugin SELECT 1, 2; rewritten w/rule 1 rewritten w/rule 1 Warnings: Note 1105 Query 'SELECT 1, 2' rewritten to 'SELECT "rewritten w/rule 1"' by a query rewrite plugin SELECT 2, 1; rewritten w/rule 2 rewritten w/rule 2 Warnings: Note 1105 Query 'SELECT 2, 1' rewritten to 'SELECT "rewritten w/rule 2"' by a query rewrite plugin SELECT 2, 2; rewritten w/rule 2 rewritten w/rule 2 Warnings: Note 1105 Query 'SELECT 2, 2' rewritten to 'SELECT "rewritten w/rule 2"' by a query rewrite plugin SELECT 3, 1; 3 1 3 1 SELECT 3, 2; 3 2 3 2 SELECT 'The_original_query'; The_rewritten_query The_rewritten_query Warnings: Note 1105 Query 'SELECT 'The_original_query'' rewritten to 'SELECT "The_rewritten_query"' by a query rewrite plugin DELETE FROM query_rewrite.rewrite_rules; DELETE FROM query_rewrite.rewrite_rules; # # Testing with no optional columns. # ALTER TABLE query_rewrite.rewrite_rules DROP COLUMN normalized_pattern; CREATE TABLE t1 ( a VARCHAR(10), b VARCHAR(10) ); INSERT INTO t1 VALUES ( 'abc', 'def' ), ( 'ghi', 'klm' ), ( 'nop', 'qrs' ); CREATE TABLE t2 ( a VARCHAR(10) ); INSERT INTO t2 VALUES ( 'abc' ), ( 'klm' ); # Test of literals matching. INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT ?', 'SELECT "literal"' ); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled 28 SELECT ? NULL SELECT "literal" YES CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled 28 SELECT ? NULL SELECT "literal" YES SELECT NULL; literal literal Warnings: Note 1105 Query 'SELECT NULL' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 'abc'; literal literal Warnings: Note 1105 Query 'SELECT 'abc'' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 1; literal literal Warnings: Note 1105 Query 'SELECT 1' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 1.1; literal literal Warnings: Note 1105 Query 'SELECT 1.1' rewritten to 'SELECT "literal"' by a query rewrite plugin SELECT 123456789123456789123456789123456789123456789123456789; literal literal Warnings: Note 1105 Query 'SELECT 123456789123456789123456789123456789123456789123456789' rewritten to 'SELECT "literal"' by a query rewrite plugin # Check our status variables. SHOW STATUS LIKE 'Rewriter%'; Variable_name Value Rewriter_number_loaded_rules 1 Rewriter_number_reloads 11 Rewriter_number_rewritten_queries 59 Rewriter_reload_error OFF DELETE FROM query_rewrite.rewrite_rules; INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ?', 'SELECT a FROM test.t1 WHERE a = ?' ), ( 'SELECT a FROM test.t1', 'SELECT * FROM test.t1 WHERE a = \'abc\'' ), ( 'SELECT a FROM test.t1 WHERE b = ?', 'SELECT * FROM test.t1 WHERE b = ?' ), ( 'SELECT * FROM test.t2', 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' ), ( 'SELECT * FROM test.t1 WHERE a = ? OR b = ?', 'SELECT * FROM test.t1 WHERE b = ? OR a = ?' ); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled 29 SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ? NULL SELECT a FROM test.t1 WHERE a = ? YES 30 SELECT a FROM test.t1 NULL SELECT * FROM test.t1 WHERE a = 'abc' YES 31 SELECT a FROM test.t1 WHERE b = ? NULL SELECT * FROM test.t1 WHERE b = ? YES 32 SELECT * FROM test.t2 NULL SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a YES 33 SELECT * FROM test.t1 WHERE a = ? OR b = ? NULL SELECT * FROM test.t1 WHERE b = ? OR a = ? YES CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled 29 SELECT * FROM test.t1 WHERE ( a = ? AND TRUE ) OR b = ? NULL SELECT a FROM test.t1 WHERE a = ? YES 30 SELECT a FROM test.t1 NULL SELECT * FROM test.t1 WHERE a = 'abc' YES 31 SELECT a FROM test.t1 WHERE b = ? NULL SELECT * FROM test.t1 WHERE b = ? YES 32 SELECT * FROM test.t2 NULL SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a YES 33 SELECT * FROM test.t1 WHERE a = ? OR b = ? NULL SELECT * FROM test.t1 WHERE b = ? OR a = ? YES # Check a query that doesn't have a rewrite rule doesn't get rewritten. SELECT b FROM test.t1; b def klm qrs # Check a query with just one parameter. SELECT a FROM test.t1 WHERE b = 'qrs'; a b nop qrs Warnings: Note 1105 Query 'SELECT a FROM test.t1 WHERE b = 'qrs'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'qrs'' by a query rewrite plugin # Check a rule with parameter truncation (fewer parameters in the # output query than in the input query); SELECT * FROM test.t1 WHERE ( a = 'abc' AND TRUE ) OR b = 'klm'; a abc Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE ( a = 'abc' AND TRUE ) OR b = 'klm'' rewritten to 'SELECT a FROM test.t1 WHERE a = 'abc'' by a query rewrite plugin SELECT * FROM test.t1 WHERE ( a = 'abc' AND FALSE ) OR b = 'klm'; a b ghi klm # Check a non parameterized query. SELECT * from t1 WHERE a = 'abc'; a b abc def # Check that a non-rewritten query does not yield a warning. SELECT b FROM test.t1; b def klm qrs # Check that a query is not rewritten if the query corresponds to a # replacement. SELECT a FROM test.t1; a b abc def Warnings: Note 1105 Query 'SELECT a FROM test.t1' rewritten to 'SELECT * FROM test.t1 WHERE a = 'abc'' by a query rewrite plugin # Check that we can execute a rewrite more than once. SELECT * FROM test.t2; a b a abc def abc Warnings: Note 1105 Query 'SELECT * FROM test.t2' rewritten to 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' by a query rewrite plugin SELECT * FROM test.t2; a b a abc def abc Warnings: Note 1105 Query 'SELECT * FROM test.t2' rewritten to 'SELECT * FROM test.t1 JOIN test.t2 ON t1.a = t2.a' by a query rewrite plugin # Remove the warnings. SELECT b FROM test.t1; b def klm qrs # Check parameter switching in a query rewrite SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Verify with whitespace. SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a = 'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Verify with comments. SELECT * FROM test.t1 WHERE a =/* 'def' ? */'def' OR b = 'ghi'; a b abc def ghi klm Warnings: Note 1105 Query 'SELECT * FROM test.t1 WHERE a =/* 'def' ? */'def' OR b = 'ghi'' rewritten to 'SELECT * FROM test.t1 WHERE b = 'def' OR a = 'ghi'' by a query rewrite plugin # Check our status variables. SHOW STATUS LIKE 'Rewriter%'; Variable_name Value Rewriter_number_loaded_rules 5 Rewriter_number_reloads 12 Rewriter_number_rewritten_queries 67 Rewriter_reload_error OFF DROP TABLE t1; DROP TABLE t2; DELETE FROM query_rewrite.rewrite_rules; # Test of literals matching. INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement ) VALUES ( 'SELECT 1, ?', 'SELECT "rewritten w/rule 1"' ), ( 'SELECT 2, ?', 'SELECT "rewritten w/rule 2"' ), ( 'SELECT "The_original_query"', 'SELECT "The_rewritten_query"'); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled 34 SELECT 1, ? NULL SELECT "rewritten w/rule 1" YES 35 SELECT 2, ? NULL SELECT "rewritten w/rule 2" YES 36 SELECT "The_original_query" NULL SELECT "The_rewritten_query" YES CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM query_rewrite.rewrite_rules; id pattern pattern_database replacement enabled 34 SELECT 1, ? NULL SELECT "rewritten w/rule 1" YES 35 SELECT 2, ? NULL SELECT "rewritten w/rule 2" YES 36 SELECT "The_original_query" NULL SELECT "The_rewritten_query" YES SELECT 1, 1; rewritten w/rule 1 rewritten w/rule 1 Warnings: Note 1105 Query 'SELECT 1, 1' rewritten to 'SELECT "rewritten w/rule 1"' by a query rewrite plugin SELECT 1, 2; rewritten w/rule 1 rewritten w/rule 1 Warnings: Note 1105 Query 'SELECT 1, 2' rewritten to 'SELECT "rewritten w/rule 1"' by a query rewrite plugin SELECT 2, 1; rewritten w/rule 2 rewritten w/rule 2 Warnings: Note 1105 Query 'SELECT 2, 1' rewritten to 'SELECT "rewritten w/rule 2"' by a query rewrite plugin SELECT 2, 2; rewritten w/rule 2 rewritten w/rule 2 Warnings: Note 1105 Query 'SELECT 2, 2' rewritten to 'SELECT "rewritten w/rule 2"' by a query rewrite plugin SELECT 3, 1; 3 1 3 1 SELECT 3, 2; 3 2 3 2 SELECT 'The_original_query'; The_rewritten_query The_rewritten_query Warnings: Note 1105 Query 'SELECT 'The_original_query'' rewritten to 'SELECT "The_rewritten_query"' by a query rewrite plugin DELETE FROM query_rewrite.rewrite_rules; DELETE FROM query_rewrite.rewrite_rules; Warnings: Warning 1620 Plugin is busy and will be uninstalled on shutdown # Query rewrite plugin was queued for uninstalling.