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#
# Tests that the character set setting is properly picked up by the
# session that reads the rules table.
#
# Query rewrite plugin was installed.
DELETE FROM query_rewrite.rewrite_rules;
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SELECT * FROM mydb.mytable WHERE mycol = ?', 'select "rule1"' );
CALL query_rewrite.flush_rewrite_rules();
CREATE DATABASE mydb;
CREATE TABLE mydb.mytable ( mycol char(3), mycol2 CHAR(100) );
INSERT INTO mydb.mytable VALUES ( 'xxx', 'Not supposed to be seeing this.' );
SELECT * FROM mydb.mytable WHERE mycol = 'xxx';
rule1
rule1
Warnings:
Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin
DROP DATABASE mydb;
# We now set the global value of the variable, this should not affect
# the plugin. It should copy the session value from our session.
SET @@global.character_set_client = utf8mb4;
SELECT * FROM mydb.mytable WHERE mycol = 'xxx';
rule1
rule1
Warnings:
Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin
# Regenerating the digests should still work.
CALL query_rewrite.flush_rewrite_rules();
SELECT * FROM mydb.mytable WHERE mycol = 'xxx';
rule1
rule1
Warnings:
Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin
# We now repeat the above test with a character set where the digests
# are known to differ. If we were lucky the last time, it will show now.
# The global setting should still be ignored.
SET @@global.character_set_client = latin1;
SELECT * FROM mydb.mytable WHERE mycol = 'xxx';
rule1
rule1
Warnings:
Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin
# Regenerating the digests should still work.
CALL query_rewrite.flush_rewrite_rules();
SELECT * FROM mydb.mytable WHERE mycol = 'xxx';
rule1
rule1
Warnings:
Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin
SET @@global.character_set_client = DEFAULT;
#
# This is perhaps an unwanted result, but the rules table-reading
# session can't access our session's setting.
#
SET @@session.character_set_client = utf8mb4;
DELETE FROM query_rewrite.rewrite_rules;
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SELECT * FROM mydb.mytable WHERE mycol = ?', 'select "rule1"' );
CALL query_rewrite.flush_rewrite_rules();
CREATE DATABASE mydb;
CREATE TABLE mydb.mytable ( mycol char(3), mycol2 CHAR(100) );
INSERT INTO mydb.mytable VALUES ( 'xxx', 'Not supposed to be seeing this.' );
SELECT * FROM mydb.mytable WHERE mycol = 'xxx';
rule1
rule1
Warnings:
Note 1105 Query 'SELECT * FROM mydb.mytable WHERE mycol = 'xxx'' rewritten to 'select "rule1"' by a query rewrite plugin
DROP DATABASE mydb;
SET @@session.character_set_client = DEFAULT;
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
# Query rewrite plugin was queued for uninstalling.
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