mariadb/mysql-test/suite/perfschema/t/dml_handler.test

# Tests for PERFORMANCE_SCHEMA

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

#==============================================================================
# This test verifies that the peformance schema storage engine does not support
# HANDLER operations.
#
# Get the list of tables from information_schema.tables, store the table names
# in a temporary table. For each table in the list, attempt a HANDLER ... OPEN,
# which should return error 1031, "Table storage engine for '<table name>'
# doesn't have this option."
#
--echo #
--echo # Create a temporary table of performance schema table names
--echo #
 
CREATE TEMPORARY TABLE table_list (id INT AUTO_INCREMENT, PRIMARY KEY (id)) AS
  SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
  WHERE TABLE_SCHEMA='performance_schema'
  ORDER BY TABLE_NAME;

SELECT COUNT(*) FROM table_list INTO @table_count;

let $count=`SELECT @table_count`;

--echo #
--echo # For each table in the performance schema, attempt HANDLER...OPEN,
--echo # which should fail with an error 1031, ER_ILLEGAL_HA.
--echo #

while ($count > 0)
{
   eval SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=$count;
   let $table_name = `SELECT @table_name`;
   --error ER_ILLEGAL_HA
   eval HANDLER performance_schema.$table_name OPEN;
   dec $count;
}

DROP TEMPORARY TABLE table_list;