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--echo # --echo # Tests that the character set setting is properly picked up by the --echo # session that reads the rules table. --echo # --source suite/query_rewrite_plugins/include/have_plugin_rewriter.inc --source suite/query_rewrite_plugins/include/install_rewriter_with_optional_columns.inc --echo # Let's be clear on what the global and session values are --echo # for this variable. SHOW VARIABLES LIKE 'character_set_client'; SHOW SESSION VARIABLES LIKE 'character_set_client'; SHOW GLOBAL VARIABLES LIKE 'character_set_client'; --source suite/query_rewrite_plugins/include/trivial.inc --echo # We now set the global value of the variable, this should not affect --echo # the plugin. It should copy the session value from our session. SET @@global.character_set_client = utf8; SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; --echo # Regenerating the digests should still work. CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; --echo # We now repeat the above test with a character set where the digests --echo # are known to differ. If we were lucky the last time, it will show now. --echo # The global setting should still be ignored. SET @@global.character_set_client = latin1; SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; --echo # Regenerating the digests should still work. CALL query_rewrite.flush_rewrite_rules(); SELECT * FROM mydb.mytable WHERE mycol = 'xxx'; SET @@global.character_set_client = DEFAULT; --echo # --echo # This is perhaps an unwanted result, but the rules table-reading --echo # session can't access our session's setting. --echo # SET @@session.character_set_client = utf8; --source suite/query_rewrite_plugins/include/trivial.inc SET @@session.character_set_client = DEFAULT; --source suite/query_rewrite_plugins/include/uninstall_rewriter.inc