# suite/funcs_1/t/is_columns.test # # Check the layout of information_schema.columns and the impact of # CREATE/ALTER/DROP TABLE/VIEW/SCHEMA/COLUMN ... on its content. # # 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. # # --source suite/funcs_1/datadict/datadict.pre let $engine_type = MEMORY; let $other_engine_type = MyISAM; let $is_table = COLUMNS; # The table INFORMATION_SCHEMA.COLUMNS must exist eval SHOW TABLES FROM information_schema LIKE '$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 3.2.6.1: INFORMATION_SCHEMA.COLUMNS layout --echo ######################################################################### # Ensure that the INFORMATION_SCHEMA.COLUMNS table has the following columns, # in the following order: # # TABLE_CATALOG (always shows NULL), # TABLE_SCHEMA (shows the name of the database, or schema, in which an # accessible table resides), # TABLE_NAME (shows the name of an accessible table), # COLUMN_NAME (shows the name of a column within that table), # ORDINAL_POSITION (shows the ordinal position of that column in that table), # COLUMN_DEFAULT (shows the column's default value), # IS_NULLABLE (shows whether the column may accept NULL values), # DATA_TYPE (shows the column's defined data type; keyword only), # CHARACTER_MAXIMUM_LENGTH (shows, for a string column, the column's defined # maximum length in characters; otherwise NULL), # CHARACTER_OCTET_LENGTH (shows, for a string column, the column's defined # maximum length in octets; otherwise NULL), # NUMERIC_PRECISION (shows, for a numeric column, the column's or data type's # defined precision; otherwise NULL), # NUMERIC_SCALE (shows, for a numeric column, the column's or data type's # defined scale; otherwise NULL), # CHARACTER_SET_NAME (shows, for a character string column, the column's default # character set; otherwise NULL), # COLLATION_NAME (shows, for a character string column, the column's default # collation; otherwise NULL), # COLUMN_TYPE (shows the column's complete, defined data type), # COLUMN_KEY (shows whether the column is indexed; possible values are PRI if # the column is part of a PRIMARY KEY, UNI if the column is part of a # UNIQUE key, MUL if the column is part of an index key that allows # duplicates), # EXTRA (shows any additional column definition information, e.g. whether the # column was defined with the AUTO_INCREMENT attribute), # PRIVILEGES (shows the privileges available to the user on the column), # COLUMN_COMMENT (shows the comment, if any, defined for the comment; # otherwise NULL). # --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.columns is in is_columns_is.test. # Show that TABLE_CATALOG is always NULL. SELECT table_catalog, table_schema, table_name, column_name FROM information_schema.columns WHERE table_catalog IS NOT NULL; --echo ############################################################################### --echo # Testcase 3.2.6.2 + 3.2.6.3: INFORMATION_SCHEMA.COLUMNS accessible information --echo ############################################################################### # 3.2.6.2: Ensure that the table shows the relevant information on the columns # of every table that is accessible to the current user or to PUBLIC. # 3.2.6.3: Ensure that the table does not show any information on the columns # of any table which is not accessible to the current user or PUBLIC. # # Note: Check of content within information_schema.columns about # databases is in # mysql is_columns_mysql.test # information_schema is_columns_is.test # test% is_columns_<engine>.test # --disable_warnings DROP DATABASE IF EXISTS db_datadict; --enable_warnings CREATE DATABASE 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'; --replace_result $other_engine_type <other_engine_type> eval CREATE TABLE db_datadict.t1 (f1 CHAR(10), f2 TEXT, f3 DATE, f4 INT AUTO_INCREMENT, UNIQUE INDEX MUL_IDX(f1,f3), PRIMARY KEY (f4)) ENGINE = $other_engine_type; CREATE VIEW db_datadict.v1 AS SELECT 1 AS f1, 1 AS f2; GRANT SELECT(f1, f2) ON db_datadict.t1 TO 'testuser1'@'localhost'; GRANT SELECT(f2) ON db_datadict.v1 TO 'testuser1'@'localhost'; --replace_result $other_engine_type <other_engine_type> eval CREATE TABLE db_datadict.t2 (f1 CHAR(10), f2 TEXT, f3 DATE, f4 INT, PRIMARY KEY (f1,f4)) ENGINE = $other_engine_type; GRANT INSERT(f1, f2) ON db_datadict.t2 TO 'testuser2'@'localhost'; let $my_select= SELECT * FROM information_schema.columns WHERE table_schema = 'db_datadict' ORDER BY table_schema, table_name, ordinal_position; let $my_show1 = SHOW COLUMNS FROM db_datadict.t1; let $my_show2 = SHOW COLUMNS FROM db_datadict.t2; let $my_show3 = SHOW COLUMNS FROM db_datadict.v1; # Point of view of user root. --source suite/funcs_1/datadict/datadict_bug_12777.inc eval $my_select; eval $my_show1; eval $my_show2; eval $my_show3; --echo # Establish connection testuser1 (user=testuser1) --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK connect (testuser1, localhost, testuser1, , db_datadict); --source suite/funcs_1/datadict/datadict_bug_12777.inc eval $my_select; eval $my_show1; --error ER_TABLEACCESS_DENIED_ERROR eval $my_show2; eval $my_show3; --echo # Establish connection testuser2 (user=testuser2) --replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK connect (testuser2, localhost, testuser2, , db_datadict); --source suite/funcs_1/datadict/datadict_bug_12777.inc eval $my_select; --error ER_TABLEACCESS_DENIED_ERROR eval $my_show1; eval $my_show2; --error ER_TABLEACCESS_DENIED_ERROR eval $my_show3; --echo # Switch to connection default and close connections testuser1, testuser2 connection default; disconnect testuser1; disconnect testuser2; # Cleanup DROP USER 'testuser1'@'localhost'; DROP USER 'testuser2'@'localhost'; DROP DATABASE IF EXISTS db_datadict; --echo ############################################################################### --echo # Testcase 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.COLUMNS 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. # --disable_warnings DROP TABLE IF EXISTS test.t1_my_table; DROP DATABASE IF EXISTS db_datadict; --enable_warnings CREATE DATABASE db_datadict; SELECT table_name FROM information_schema.columns WHERE table_name LIKE 't1_my_table%'; --replace_result $engine_type <engine_type> eval CREATE TABLE test.t1_my_table (f1 CHAR(12)) DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci ENGINE = $engine_type; # Settings used in CREATE TABLE must be visible in information_schema.columns. --vertical_results SELECT * FROM information_schema.columns WHERE table_name = 't1_my_table'; --horizontal_results # # Check modification of TABLE_NAME SELECT table_name FROM information_schema.columns WHERE table_name LIKE 't1_my_table%'; RENAME TABLE test.t1_my_table TO test.t1_my_tablex; SELECT table_name FROM information_schema.columns WHERE table_name LIKE 't1_my_table%'; # # Check modification of TABLE_SCHEMA SELECT table_schema,table_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; RENAME TABLE test.t1_my_tablex TO db_datadict.t1_my_tablex; SELECT table_schema,table_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check modification of COLUMN_NAME SELECT table_name, column_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex CHANGE COLUMN f1 first_col CHAR(12); SELECT table_name, column_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check modification of COLUMN size SELECT table_name, column_name, character_maximum_length, character_octet_length, column_type FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex MODIFY COLUMN first_col CHAR(20); SELECT table_name, column_name, character_maximum_length, character_octet_length, column_type FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check modification of COLUMN type SELECT table_name, column_name, character_maximum_length, character_octet_length, column_type FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex MODIFY COLUMN first_col VARCHAR(20); SELECT table_name, column_name, character_maximum_length, character_octet_length, column_type FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check modify COLUMN DEFAULT SELECT table_name, column_name, column_default FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex MODIFY COLUMN first_col CHAR(10) DEFAULT 'hello'; SELECT table_name, column_name, column_default FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check modify IS_NULLABLE SELECT table_name, column_name, is_nullable FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex MODIFY COLUMN first_col CHAR(10) NOT NULL; SELECT table_name, column_name, is_nullable FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check modify COLLATION SELECT table_name, column_name, collation_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex MODIFY COLUMN first_col CHAR(10) COLLATE 'latin1_general_cs'; SELECT table_name, column_name, collation_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check modify CHARACTER SET SELECT table_name, column_name, character_maximum_length, character_octet_length, character_set_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex MODIFY COLUMN first_col CHAR(10) CHARACTER SET utf8; SELECT table_name, column_name, character_maximum_length, character_octet_length, character_set_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check modify COLUMN_COMMENT SELECT table_name, column_name, column_comment FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex MODIFY COLUMN first_col CHAR(10) COMMENT 'Hello'; SELECT table_name, column_name, column_comment FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check ADD COLUMN SELECT table_name, column_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex ADD COLUMN second_col CHAR(10); SELECT table_name, column_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check switch ordinal position of column SELECT table_name, column_name, ordinal_position FROM information_schema.columns WHERE table_name = 't1_my_tablex' ORDER BY table_name, column_name; ALTER TABLE db_datadict.t1_my_tablex MODIFY COLUMN second_col CHAR(10) FIRST; SELECT table_name, column_name, ordinal_position FROM information_schema.columns WHERE table_name = 't1_my_tablex' ORDER BY table_name, column_name; # # Check DROP COLUMN SELECT table_name, column_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex DROP COLUMN first_col; SELECT table_name, column_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check set COLUMN UNIQUE SELECT table_name, column_name, column_key FROM information_schema.columns WHERE table_name = 't1_my_tablex'; ALTER TABLE db_datadict.t1_my_tablex ADD UNIQUE INDEX IDX(second_col); SELECT table_name, column_name, column_key FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check impact of DROP TABLE SELECT table_name, column_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; DROP TABLE db_datadict.t1_my_tablex; SELECT table_name, column_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check a VIEW CREATE VIEW test.t1_my_tablex AS SELECT 1 AS "col1", 'A' collate latin1_german1_ci AS "col2"; --vertical_results SELECT * FROM information_schema.columns WHERE table_name = 't1_my_tablex' ORDER BY table_name, column_name; --horizontal_results DROP VIEW test.t1_my_tablex; SELECT table_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; # # Check impact of DROP SCHEMA --replace_result $engine_type <engine_type> eval CREATE TABLE db_datadict.t1_my_tablex ENGINE = $engine_type AS SELECT 1; SELECT table_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; DROP DATABASE db_datadict; SELECT table_name FROM information_schema.columns WHERE table_name = 't1_my_tablex'; --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; DROP TABLE IF EXISTS test.t1; --enable_warnings CREATE DATABASE db_datadict; CREATE TABLE test.t1 (f1 BIGINT); --error ER_DBACCESS_DENIED_ERROR INSERT INTO information_schema.columns (table_schema,table_name,column_name) VALUES('test','t1', 'f2'); --error ER_DBACCESS_DENIED_ERROR INSERT INTO information_schema.columns (table_schema,table_name,column_name) VALUES('test','t2', 'f1'); --error ER_DBACCESS_DENIED_ERROR UPDATE information_schema.columns SET table_name = 't4' WHERE table_name = 't1'; --error ER_DBACCESS_DENIED_ERROR DELETE FROM information_schema.columns WHERE table_name = 't1'; --error ER_DBACCESS_DENIED_ERROR TRUNCATE information_schema.columns; --error ER_DBACCESS_DENIED_ERROR CREATE INDEX i3 ON information_schema.columns(table_name); --error ER_DBACCESS_DENIED_ERROR ALTER TABLE information_schema.columns ADD f1 INT; --error ER_DBACCESS_DENIED_ERROR DROP TABLE information_schema.columns; --error ER_DBACCESS_DENIED_ERROR ALTER TABLE information_schema.columns RENAME db_datadict.columns; --error ER_DBACCESS_DENIED_ERROR ALTER TABLE information_schema.columns RENAME information_schema.xcolumns; # Cleanup DROP TABLE test.t1; DROP DATABASE db_datadict;