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# suite/funcs_1/t/is_engines.test
#
# Check the layout of information_schema.engines
#
# Note:
#    This test is not intended
#    - to show information about the all time existing tables
#      within the databases information_schema and mysql
#    - for checking storage engine properties
#      Therefore please do not alter $engine_type and $other_engine_type.
#      Some results of the subtests depend on the storage engines assigned.
#
# Author:
# 2008-02-29 mleich WL#4203 Reorganize and fix the data dictionary tests of
#                           testsuite funcs_1
#

if (`SELECT VERSION() LIKE '%embedded%'`)
{
   --skip Bug#37456 funcs_1: Several tests crash when used with embedded server
}

--source include/have_innodb.inc
let $engine_type       = InnoDB;
let $other_engine_type = InnoDB;

let $is_table = ENGINES;

# The table INFORMATION_SCHEMA.ENGINES must exist
eval SHOW TABLES FROM information_schema LIKE '$is_table';

--echo #######################################################################
--echo # Testcase 3.2.1.1: INFORMATION_SCHEMA tables can be queried via SELECT
--echo #######################################################################
# Ensure that every INFORMATION_SCHEMA table can be queried with a SELECT
# statement, just as if it were an ordinary user-defined table.
#
--source suite/funcs_1/datadict/is_table_query.inc


--echo #########################################################################
--echo # Testcase 3.2.12.1: INFORMATION_SCHEMA.ENGINES layout
--echo #########################################################################
# Ensure that the INFORMATION_SCHEMA.ENGINES table has the following columns,
# in the following order:
#
# ENGINE
# SUPPORT
# COMMENT
# TRANSACTIONS
# XA
# SAVEPOINTS
#
# Value      Meaning
# YES        The feature is supported and is active.
# NO         The feature is not supported = The server was compiled without
#            support for the feature.
# DISABLED   The feature is supported but has been disabled.
#
eval DESCRIBE          information_schema.$is_table;
eval SHOW CREATE TABLE information_schema.$is_table;
eval SHOW COLUMNS FROM information_schema.$is_table;

# Note: Retrieval of information within information_schema.columns about
#       information_schema.engines is in is_columns_is.test.

# FIXME: Check the regression tests and implement tests checking the
#        functionality if missing.


--echo ########################################################################
--echo # Testcases 3.2.1.3-3.2.1.5 + 3.2.1.8-3.2.1.12: INSERT/UPDATE/DELETE and
--echo #           DDL on INFORMATION_SCHEMA tables are not supported
--echo ########################################################################
# 3.2.1.3:  Ensure that no user may execute an INSERT statement on any
#           INFORMATION_SCHEMA table.
# 3.2.1.4:  Ensure that no user may execute an UPDATE statement on any
#           INFORMATION_SCHEMA table.
# 3.2.1.5:  Ensure that no user may execute a DELETE statement on any
#           INFORMATION_SCHEMA table.
# 3.2.1.8:  Ensure that no user may create an index on an
#           INFORMATION_SCHEMA table.
# 3.2.1.9:  Ensure that no user may alter the definition of an
#           INFORMATION_SCHEMA table.
# 3.2.1.10: Ensure that no user may drop an INFORMATION_SCHEMA table.
# 3.2.1.11: Ensure that no user may move an INFORMATION_SCHEMA table to any
#           other database.
# 3.2.1.12: Ensure that no user may directly add to, alter, or delete any data
#           in an INFORMATION_SCHEMA table.
#
--disable_warnings
DROP DATABASE IF EXISTS db_datadict;
--enable_warnings
CREATE DATABASE db_datadict;
--replace_result $engine_type <engine_type>
eval
CREATE TABLE db_datadict.t1 (f1 BIGINT)
ENGINE = $engine_type;

--error ER_DBACCESS_DENIED_ERROR
INSERT INTO information_schema.engines
SELECT * FROM information_schema.engines;

--error ER_DBACCESS_DENIED_ERROR
UPDATE information_schema.engines SET engine = '1234567';

--error ER_DBACCESS_DENIED_ERROR
DELETE FROM information_schema.engines WHERE support IN ('DEFAULT','YES');
--error ER_DBACCESS_DENIED_ERROR
TRUNCATE information_schema.engines;

--error ER_DBACCESS_DENIED_ERROR
CREATE INDEX my_idx_on_engines ON information_schema.engines(engine);

--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.engines DROP PRIMARY KEY;
--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.engines ADD f1 INT;

--error ER_DBACCESS_DENIED_ERROR
DROP TABLE information_schema.engines;

--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.engines RENAME db_datadict.engines;
--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.engines RENAME information_schema.xengines;

# Cleanup
DROP DATABASE db_datadict;