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# Tests for PERFORMANCE_SCHEMA

--source include/no_protocol.inc
--source include/not_embedded.inc
--source include/have_perfschema.inc

--echo
--echo ================================================================================
--echo SETUP
--echo ================================================================================
--echo # Save current SHOW_COMPATIBILITY_56 setting
SELECT @@global.show_compatibility_56 INTO @show_compatibility_56_save;
SET @@global.show_compatibility_56=OFF;

# Create a new connection, to get clean statistics
connect(con1, localhost, root,,);

# Create a table
CREATE TABLE test.t1 (c1 INT);

#prepare a statement
PREPARE stmt1 FROM "SELECT c1 FROM test.t1";

#execute prepared statement;
EXECUTE stmt1;

# Check status from SHOW STATUS
SHOW SESSION STATUS LIKE "%com_stmt_%prepare%";

#check the statistics
SELECT * FROM performance_schema.session_status WHERE VARIABLE_NAME LIKE "%com_stmt%";

SELECT VARIABLE_VALUE FROM performance_schema.global_status
  WHERE VARIABLE_NAME LIKE "Com_stmt_reprepare"
  INTO @count_global_reprepare_before;

# Alter table to make server reprepare the statement
ALTER TABLE test.t1 ADD COLUMN c2 INTEGER;

#execute prepared statement;
EXECUTE stmt1;

# Check status from SHOW STATUS
SHOW SESSION STATUS LIKE "%com_stmt_%prepare%";

#check the statistics
SELECT * FROM performance_schema.session_status WHERE VARIABLE_NAME LIKE "%com_stmt%";

SELECT VARIABLE_VALUE FROM performance_schema.global_status
  WHERE VARIABLE_NAME LIKE "Com_stmt_reprepare"
  INTO @count_global_reprepare_after;

# Should increment by 1
SELECT @count_global_reprepare_after - @count_global_reprepare_before;

--echo
--echo ================================================================================
--echo CLEANUP
--echo ================================================================================

DROP TABLE test.t1;

--disconnect con1
--connection default

--echo # Restore SHOW_COMPATIBILITY_56 setting
SET @@global.show_compatibility_56 = @show_compatibility_56_save;