# suite/funcs_1/t/is_schema_privileges.test
#
# Check the layout of information_schema.schema_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 schemas
#      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 = SCHEMA_PRIVILEGES;

# The table INFORMATION_SCHEMA.SCHEMA_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 3.2.15.1: INFORMATION_SCHEMA.SCHEMA_PRIVILEGES layout
--echo #########################################################################
# Ensure that the INFORMATION_SCHEMA.SCHEMA_PRIVILEGES table has the following
# columns, in the following order:
#
# GRANTEE (shows a user to whom a schema privilege has been granted),
# TABLE_CATALOG (always shows NULL),
# TABLE_SCHEMA (shows the name of the database, or schema, on which the
#          privilege has been granted),
# PRIVILEGE_TYPE (shows the granted privilege),
# IS_GRANTABLE (shows whether the 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.schema_privileges is in is_columns_is.test.

# Show that TABLE_CATALOG is always NULL.
SELECT GRANTEE, TABLE_CATALOG, TABLE_SCHEMA, PRIVILEGE_TYPE
FROM information_schema.schema_privileges WHERE table_catalog IS NOT NULL;


--echo ###############################################################################
--echo # Testcase 3.2.15.2-3.2.15.4 INFORMATION_SCHEMA.SCHEMA_PRIVILEGES accessibility
--echo ###############################################################################
# 3.2.15.2 Ensure that the table shows the relevant information on every
#          schema-level privilege which has been granted to the current user
#          or to PUBLIC, or has been granted by the current user.
# FIXME:   Why is "or has been granted by the current user" invisible?
# 3.2.15.3 Ensure that the table does not show any information on any
#          schema-level privileges which have been granted to users
#          other than the current user or to PUBLIC, or that have been
#          granted by any user other than the current user.
# 3.2.15.4 Ensure that the table does not show any information on any
#          privileges that are not schema-level privileges for the
#          current user.
#
# Note: Check of content within information_schema.schema_privileges about the
#       databases information_schema, mysql and test is in
#       is_schema_privileges_is_mysql_test.
#
--disable_warnings
DROP DATABASE IF EXISTS db_datadict_1;
DROP DATABASE IF EXISTS db_datadict_2;
DROP DATABASE IF EXISTS db_datadict_3;
--enable_warnings
CREATE DATABASE db_datadict_1;
CREATE DATABASE db_datadict_2;
CREATE DATABASE db_datadict_3;
eval
CREATE TABLE db_datadict_2.t1(f1 INT, f2 INT, f3 INT)
ENGINE = $engine_type;

--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';

GRANT INSERT ON db_datadict_1.*  TO 'testuser1'@'localhost';
GRANT INSERT ON db_datadict_2.t1 TO 'testuser1'@'localhost';
GRANT SELECT ON db_datadict_4.*  TO 'testuser1'@'localhost' WITH GRANT OPTION;
GRANT SELECT ON db_datadict_3.*  TO 'testuser2'@'localhost';
GRANT SELECT ON db_datadict_1.*  TO 'testuser2'@'localhost';

let $my_select = SELECT * FROM information_schema.schema_privileges
WHERE table_schema LIKE 'db_datadict%'
ORDER BY grantee,table_schema,privilege_type;
let $show_testuser1 = SHOW GRANTS FOR 'testuser1'@'localhost';
let $show_testuser2 = SHOW GRANTS FOR 'testuser2'@'localhost';

--echo # Establish connection testuser1 (user=testuser1)
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (testuser1, localhost, testuser1, , test);
GRANT SELECT ON db_datadict_4.*  TO 'testuser2'@'localhost';
--echo # Root granted INSERT db_datadict_1 to me     -> visible
--echo # Root granted SELECT db_datadict_1 to testuser2 -> invisible
--echo # Root granted INSERT db_datadict_2.t1 (no schema-level priv!)
--echo #          but not db_datadict_2 to me -> invisible
--echo # Root granted SELECT db_datadict_3. to testuser2 but not to me -> invisible
--echo # Root granted SELECT db_datadict_4. to me    -> visible
--echo # I granted SELECT db_datadict_4. to testuser2   -> invisible (reality), visible(requirement)
--echo # FIXME
eval $my_select;
eval $show_testuser1;
--error ER_DBACCESS_DENIED_ERROR
eval $show_testuser2;

--echo # Establish connection testuser2 (user=testuser2)
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (testuser2, localhost, testuser2, , test);
--echo # Root granted SELECT db_datadict_1 to me     -> visible
--echo # Root granted INSERT db_datadict_1 to testuser1 -> invisible
--echo # Root granted INSERT db_datadict_2.t1 but not db_datadict_1 to testuser1 -> invisible
--echo # Root granted SELECT db_datadict_3. to me    -> visible
--echo # testuser1 granted SELECT db_datadict_4. to me  -> visible
eval $my_select;
--error ER_DBACCESS_DENIED_ERROR
eval $show_testuser1;
eval $show_testuser2;

--echo # Switch to connection default and close connections testuser1 and testuser2
connection default;
disconnect testuser1;
disconnect testuser2;
eval $my_select;
eval $show_testuser1;
eval $show_testuser2;

# Cleanup
DROP USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
DROP DATABASE db_datadict_1;
DROP DATABASE db_datadict_2;
DROP DATABASE db_datadict_3;


--echo ################################################################################
--echo # 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.SCHEMA_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;
--error 0,ER_CANNOT_USER
DROP   USER 'the_user'@'localhost';
--error 0,ER_CANNOT_USER
DROP   USER 'testuser1'@'localhost';
CREATE USER 'testuser1'@'localhost';
GRANT SELECT ON test.* TO 'testuser1'@'localhost';

let $my_select = SELECT * FROM information_schema.schema_privileges
WHERE table_schema = 'db_datadict'
ORDER BY grantee,table_schema,privilege_type;

############ Check grant SCHEMA
eval $my_select;
--echo # Establish connection testuser1 (user=testuser1)
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (testuser1, localhost, testuser1, , test);
eval $my_select;
--echo # Switch to connection default
connection default;
GRANT UPDATE ON db_datadict.* TO 'testuser1'@'localhost';
eval $my_select;
--echo # Switch to connection testuser1
eval $my_select;
############ Check RENAME SCHEMA
# Implement this if RENAME SCHEMA is again available.
# Note(mleich): I expect that RENAME has no impact on the result sets, because
#               the schema_name is not migrated.
# --echo # Switch to connection default
# connection default;
# RENAME SCHEMA db_datadict TO db_datadictx;
# eval $my_select;
# --echo # Switch to connection testuser1
# eval $my_select;
# RENAME SCHEMA db_datadictx TO db_datadict;
############ Check extend PRIVILEGES (affects PRIVILEGE_TYPE) on SCHEMA
--echo # Switch to connection default
connection default;
GRANT SELECT ON db_datadict.* TO 'testuser1'@'localhost';
eval $my_select;
--echo # Switch to connection testuser1
eval $my_select;
############ Check extend PRIVILEGES (affects IS_GRANTABLE) on SCHEMA
--echo # Switch to connection default
connection default;
GRANT SELECT ON db_datadict.* TO 'testuser1'@'localhost' WITH GRANT OPTION;
eval $my_select;
--echo # Switch to connection testuser1
eval $my_select;
############ Check DROP SCHEMA
# No impact, because there is no "maintenance" of privileges.
--echo # Switch to connection default
connection default;
DROP SCHEMA db_datadict;
eval $my_select;
--echo # Switch to connection testuser1
eval $my_select;
############ Check REVOKE PRIVILEGE
--echo # Switch to connection default
connection default;
REVOKE UPDATE ON db_datadict.* FROM 'testuser1'@'localhost';
eval $my_select;
--echo # Switch to connection testuser1
eval $my_select;
############ Check RENAME USER
--echo # Switch to connection default
connection default;
RENAME USER 'testuser1'@'localhost' TO 'the_user'@'localhost';
eval $my_select;
--echo # Switch to connection testuser1
eval $my_select;
--echo # Close connection testuser1
disconnect testuser1;
--echo # Establish connection the_user (user=the_user)
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (the_user, localhost, the_user, , test);
eval $my_select;
--echo # Close connection the_user
disconnect the_user;
############ Check DROP USER
--echo # Switch to connection default
connection default;
eval $my_select;
DROP USER 'the_user'@'localhost';
eval $my_select;


--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 ON db_datadict.* TO 'testuser1'@'localhost';

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

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

--error ER_DBACCESS_DENIED_ERROR
DELETE FROM information_schema.schema_privileges
WHERE table_schema = 'db_datadict';
--error ER_DBACCESS_DENIED_ERROR
TRUNCATE information_schema.schema_privileges;

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

--error ER_DBACCESS_DENIED_ERROR
DROP TABLE information_schema.schema_privileges;

--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.schema_privileges
RENAME db_datadict.schema_privileges;
--error ER_DBACCESS_DENIED_ERROR
ALTER TABLE information_schema.schema_privileges
RENAME information_schema.xschema_privileges;

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

