# suite/funcs_1/t/is_column_privileges.test
#
# Check the layout of information_schema.column_privileges and the impact of
# CREATE/ALTER/DROP TABLE/VIEW/SCHEMA ... on it.
#
# 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.
#
# Author:
# 2008-01-23 mleich WL#4203 Reorganize and fix the data dictionary tests of
#                           testsuite funcs_1
#                   Create this script based on older scripts and new code.
#

# This test cannot be used for the embedded server because we check here
# privileges.
--source include/not_embedded.inc

let $engine_type       = MEMORY;
let $other_engine_type = MyISAM;

let $is_table = COLUMN_PRIVILEGES;

# The table INFORMATION_SCHEMA.COLUMN_PRIVILEGES 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 3.2.5.1: INFORMATION_SCHEMA.COLUMN_PRIVILEGES layout
--echo #########################################################################
# Ensure that the INFORMATION_SCHEMA.COLUMN_PRIVILEGES table has the following
# columns, in the following order:
#
# GRANTEE (shows the name of a user who has either granted,
#                          or been granted a column privilege),
# TABLE_CATALOG (always shows NULL),
# TABLE_SCHEMA (shows the name of the schema, or database, in which the table
#       for which a column privilege has been granted resides),
# TABLE_NAME (shows the name of the table),
# COLUMN_NAME (shows the name of the column on which a column privilege has
#       been granted),
# PRIVILEGE_TYPE (shows the type of privilege that was granted; must be either
#       SELECT, INSERT, UPDATE, or REFERENCES),
# IS_GRANTABLE (shows whether that privilege was granted WITH GRANT OPTION).
#
--source suite/funcs_1/datadict/datadict_bug_12777.inc
eval DESCRIBE          information_schema.$is_table;
--source suite/funcs_1/datadict/datadict_bug_12777.inc
eval SHOW CREATE TABLE information_schema.$is_table;
--source suite/funcs_1/datadict/datadict_bug_12777.inc
eval SHOW COLUMNS FROM information_schema.$is_table;

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

# Show that TABLE_CATALOG is always NULL.
SELECT table_catalog, table_schema, table_name, column_name, privilege_type
FROM information_schema.column_privileges WHERE table_catalog IS NOT NULL;


--echo ######################################################################
--echo # Testcase 3.2.5.2+3.2.5.3+3.2.5.4:
--echo #          INFORMATION_SCHEMA.COLUMN_PRIVILEGES accessible information
--echo ######################################################################
# 3.2.5.2:  Ensure that the table shows the relevant information on every
#           column privilege which has been granted to the current user or
#           PUBLIC, or which was granted by the current user.
# 3.2.5.3:  Ensure that the table does not show any information on any column
#           privilege which was granted to any user other than the current user
#           or PUBLIC, or which was granted by any user other than
#           the current user.
# 3.2.5.4:  Ensure that the table does not show any information on any
#           privileges that are not column privileges for the current user.
#
# Note: Check of content within information_schema.column_privileges about the
#       databases information_schema, mysql and test is in
#       is_column_privileges_is_mysql_test.test
#
--disable_warnings
DROP DATABASE IF EXISTS db_datadict;
--enable_warnings
CREATE DATABASE db_datadict;
--replace_result $other_engine_type <other_engine_type>
eval
CREATE TABLE db_datadict.t1 (f1 INT, f2 DECIMAL, f3 TEXT)
ENGINE = $other_engine_type;

USE db_datadict;
--error 0,ER_CANNOT_USER
DROP   USER 'testuser1'@'localhost';
CREATE USER 'testuser1'@'localhost';
--error 0,ER_CANNOT_USER
DROP   USER 'testuser2'@'localhost';
CREATE USER 'testuser2'@'localhost';
--error 0,ER_CANNOT_USER
DROP   USER 'testuser3'@'localhost';
CREATE USER 'testuser3'@'localhost';

GRANT SELECT(f1, f3) ON db_datadict.t1 TO 'testuser1'@'localhost';
GRANT INSERT(f1)     ON db_datadict.t1 TO 'testuser1'@'localhost';
GRANT UPDATE(f2)     ON db_datadict.t1 TO 'testuser1'@'localhost';
GRANT SELECT(f2)     ON db_datadict.t1 TO 'testuser2'@'localhost';
GRANT INSERT, SELECT ON db_datadict.t1 TO 'testuser3'@'localhost';
GRANT SELECT(f3)     ON db_datadict.t1 TO 'testuser3'@'localhost';

GRANT INSERT, SELECT ON db_datadict.t1 TO 'testuser3'@'localhost'
WITH GRANT OPTION;
GRANT ALL            ON db_datadict.*  TO 'testuser3'@'localhost';

let $select= SELECT * FROM information_schema.column_privileges
WHERE grantee LIKE '''testuser%'''
ORDER BY grantee, table_schema,table_name,column_name,privilege_type;
eval $select;

# Note: WITH GRANT OPTION applies to all privileges on this table
#       and not to the columns mentioned only.
GRANT UPDATE(f3)     ON db_datadict.t1 TO 'testuser1'@'localhost'
WITH GRANT OPTION;

eval $select;

--echo # Establish connection testuser1 (user=testuser1)
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (testuser1, localhost, testuser1, , db_datadict);
eval $select;

--echo # Establish connection testuser2 (user=testuser2)
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (testuser2, localhost, testuser2, , db_datadict);
eval $select;

--echo # Establish connection testuser3 (user=testuser3)
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (testuser3, localhost, testuser3, , db_datadict);

--echo # FIXME: Is it correct that granted TABLES do not occur in COLUMN_PRIVILEGES?
SELECT * FROM information_schema.table_privileges
WHERE grantee LIKE '''testuser%'''
ORDER BY grantee,table_schema,table_name,privilege_type;
SELECT * FROM information_schema.schema_privileges
WHERE grantee LIKE '''testuser%'''
ORDER BY grantee,table_schema,privilege_type;
eval $select;
GRANT SELECT(f1, f3) ON db_datadict.t1 TO 'testuser2'@'localhost';

--echo # FIXME: Is it intended that *my* grants to others are *NOT* shown here?
eval $select;

--echo # Switch to connection testuser2 (user=testuser2)
connection testuser2;
eval $select;

# Cleanup
--echo # Switch to connection default and close connections testuser1,testuser2,testuser3
connection default;
disconnect testuser1;
disconnect testuser2;
disconnect testuser3;
DROP DATABASE db_datadict;
DROP USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
DROP USER 'testuser3'@'localhost';


--echo ################################################################################
--echo # 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.COLUMN_PRIVILEGES modifications
--echo ################################################################################
# 3.2.1.13: Ensure that the creation of any new database object (e.g. table or
#           column) automatically inserts all relevant information on that
#           object into every appropriate INFORMATION_SCHEMA table.
# 3.2.1.14: Ensure that the alteration of any existing database object
#           automatically updates all relevant information on that object in
#           every appropriate INFORMATION_SCHEMA table.
# 3.2.1.15: Ensure that the dropping of any existing database object
#           automatically deletes all relevant information on that object from
#           every appropriate INFORMATION_SCHEMA table.
#
# Note (mleich):
#    The MySQL privilege system allows to GRANT objects before they exist.
#    (Exception: Grant privileges for columns of not existing tables/views.)
#    There is also no migration of privileges if objects (tables, views, columns)
#    are moved to other databases (tables only), renamed or dropped.
#
--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.my_table (f1 BIGINT, f2 CHAR(10), f3 DATE)
ENGINE = $engine_type;

--error 0,ER_CANNOT_USER
DROP   USER 'testuser1'@'localhost';
CREATE USER 'testuser1'@'localhost';
GRANT ALL ON test.* TO 'testuser1'@'localhost';

let $my_select = SELECT * FROM information_schema.column_privileges
WHERE table_name = 'my_table'
ORDER BY grantee, table_schema,table_name,column_name,privilege_type;
let $my_show = SHOW GRANTS FOR 'testuser1'@'localhost';
eval $my_select;
eval $my_show;

--echo # Establish connection testuser1 (user=testuser1)
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (testuser1, localhost, testuser1, , test);
eval $my_select;
eval $my_show;

--echo # Switch to connection default
connection default;
GRANT SELECT (f1,f3) ON db_datadict.my_table TO 'testuser1'@'localhost';
eval $my_select;
eval $my_show;

--echo # Switch to connection testuser1
connection testuser1;
eval $my_select;
eval $my_show;

--echo # Switch to connection default
connection default;
ALTER TABLE db_datadict.my_table DROP COLUMN f3;
GRANT UPDATE (f1) ON db_datadict.my_table TO 'testuser1'@'localhost';
eval $my_select;
eval $my_show;

--echo # Switch to connection testuser1
connection testuser1;
eval $my_select;
eval $my_show;
--error ER_BAD_FIELD_ERROR
SELECT f1, f3 FROM db_datadict.my_table;

--echo # Switch to connection default
connection default;
ALTER TABLE db_datadict.my_table CHANGE COLUMN f1 my_col BIGINT;
eval $my_select;
eval $my_show;

--echo # Switch to connection testuser1
connection testuser1;
eval $my_select;
eval $my_show;

--echo # Switch to connection default
connection default;
DROP TABLE db_datadict.my_table;
eval $my_select;
eval $my_show;

--echo # Switch to connection testuser1
connection testuser1;
eval $my_select;
eval $my_show;

--echo # Switch to connection default
connection default;
REVOKE ALL ON db_datadict.my_table FROM 'testuser1'@'localhost';
eval $my_select;
eval $my_show;

--echo # Switch to connection testuser1
connection testuser1;
eval $my_select;
eval $my_show;

--echo # Switch to connection default and close connection testuser1
connection default;
disconnect testuser1;
DROP USER 'testuser1'@'localhost';
DROP DATABASE db_datadict;


--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 table 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, f2 BIGINT)
ENGINE = $engine_type;
--error 0,ER_CANNOT_USER
DROP   USER 'testuser1'@'localhost';
CREATE USER 'testuser1'@'localhost';
GRANT SELECT (f1) ON db_datadict.t1 TO 'testuser1'@'localhost';

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

--error ER_DBACCESS_DENIED_ERROR
UPDATE information_schema.column_privileges SET table_schema = 'test'
WHERE table_name = 't1';

--error ER_DBACCESS_DENIED_ERROR
DELETE FROM information_schema.column_privileges WHERE table_name = 't1';
--error ER_DBACCESS_DENIED_ERROR
TRUNCATE information_schema.column_privileges;

--error ER_DBACCESS_DENIED_ERROR
CREATE INDEX my_idx_on_tables
ON information_schema.column_privileges(table_schema);
--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.column_privileges ADD f1 INT;

--error ER_DBACCESS_DENIED_ERROR
DROP TABLE information_schema.column_privileges;

--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.column_privileges
RENAME db_datadict.column_privileges;
--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.column_privileges
RENAME information_schema.xcolumn_privileges;

# Cleanup
DROP DATABASE db_datadict;
DROP USER 'testuser1'@'localhost';