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Filename : information_schema_parameters.test
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#------------------------------------------------------------------------------
# i_s_parameters.test
# .test file for MySQL regression suite
# Purpose:  To test the presence, structure, and behavior
#                    of INFORMATION_SCHEMA.PARAMETERS
# Author:  pcrews
# Last modified:  2007-12-03
#------------------------------------------------------------------------------

###############################################################################
# Testcase parameters.1: Verify INFORMATION_SCHEMA.PARAMETERS view has the
#                    following structure:
#  SPECIFIC_CATALOG                         NULL
#  SPECIFIC_SCHEMA                          routine's database
#  SPECIFIC_NAME                            routine's name
#  ORDINAL_POSITION                         first stored routine parameter is 1,
#                                           always 0 for stored function RETURN
#  PARAMETER_MODE                           'IN' or 'OUT' or 'INOUT'
#  PARAMETER_NAME                           the parameter's name
#  DATA_TYPE                                same as for COLUMNS
#  CHARACTER_MAXIMUM_LENGTH                 same as for COLUMNS
#  CHARACTER_OCTET_LENGTH                   same as for COLUMNS
#  CHARACTER_SET_NAME                       same as for COLUMNS
#  COLLATION_NAME                           same as for COLUMNS
#  NUMERIC_PRECISION                        same as for COLUMNS
#  NUMERIC_SCALE                            same as for COLUMNS
#  DTD_IDENTIFIER                           same as for PARAMETERS
###############################################################################
-- echo # ========== parameters.1 ==========
USE INFORMATION_SCHEMA;
--replace_result ENGINE=MyISAM "" ENGINE=MARIA "" " PAGE_CHECKSUM=1" "" " PAGE_CHECKSUM=0" ""
SHOW CREATE TABLE INFORMATION_SCHEMA.PARAMETERS;

# embedded server does not display privileges
--replace_column 19 #
query_vertical SELECT * FROM information_schema.columns
WHERE table_schema = 'information_schema'
  AND table_name   = 'parameters'
ORDER BY ordinal_position;

DESCRIBE INFORMATION_SCHEMA.PARAMETERS;

###############################################################################
# Testcase parameters.2:  Unsuccessful stored procedure CREATE will not populate
#                     I_S.PARAMETERS view
###############################################################################
-- echo # ========== parameters.2 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

# Missing closing ')' character at the end of 's char(20) in func declaration
--error ER_PARSE_ERROR
CREATE FUNCTION test_func1 (s char(20) RETURNS CHAR(50)
RETURN CONCAT('Hello', ,s,'!');
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func1';

###############################################################################
# Testcase parameters.3:  DROP FUNCTION - Verify DROP of a stored procedure
#                                     removes I_S.PARAMETERS data for that
#                                     function / procedure
###############################################################################
-- echo # ========== parameters.3 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

CREATE FUNCTION test_func1 (s char(20)) RETURNS CHAR(50)
RETURN CONCAT('Hello, ',s,'!');
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func1';
DROP FUNCTION test_func1;
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func1';

###############################################################################
# Testcase parameters.4:  CREATE PROCEDURE - IN
###############################################################################
-- echo # ========== parameters.4 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

delimiter //;
CREATE PROCEDURE testproc (OUT param1 INT)
  BEGIN
   SELECT 2+2 as param1;
  END;
//
delimiter ;//
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'testproc';


###############################################################################
# Testcase parameters.5:  CREATE PROCEDURE - INOUT
###############################################################################
-- echo # ========== parameters.5 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

CREATE PROCEDURE test_proc(INOUT P INT) SET @x=P*2;
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_proc';

###############################################################################
# Testcase parameters.6:  CREATE PROCEDURE - OUT
###############################################################################
-- echo # ========== parameters.6 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

CREATE PROCEDURE test_proc(OUT p VARCHAR(10)) SET P='test';
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_proc';

###############################################################################
# Testcase parameters.7:  CREATE FUNCTION - ORDINAL POSITION
#                     Verify proper behavior for several aspects here
#                     3 rows should be created -- 1 for each IN parameter
#                                                 1 for the RETURNS param
#                     ORDINAL POSITION values should be 0 for RETURNS
#                                             1 and 2 for IN parameters
#                     PARAM NAME and MODE should = NULL for RETURNS parm
###############################################################################
-- echo # ========== parameters.7 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

CREATE FUNCTION test_func1 (s char(20), t char(20)) RETURNS CHAR(40)
RETURN CONCAT(s,t);
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func1';

###############################################################################
# Testcase parameters.8:  CREATE FUNCTION - CHAR parameters
#                     Verify CHAR related columns are populated for such a
#                     parameter -- NUMERIC columns should be NULL
###############################################################################
-- echo # ========== parameters.8 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

CREATE FUNCTION test_func1 (s char(20)) RETURNS CHAR(50)
RETURN CONCAT('Hello, ',s,'!');
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func1';

###############################################################################
# Testcase parameters.9:  CREATE FUNCTION - NUMERIC parameters
#                     Verify NUMERIC related columns are populated for such
#                     parameter -- CHAR columns should be NULL
###############################################################################
-- echo # ========== parameters.9 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

CREATE FUNCTION test_func2 (s int) RETURNS INT RETURN s*2;
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func2';

###############################################################################
# Testcase parameters.10:  CREATE FUNCTION - DATE
#                     Verify NUMERIC and CHAR related columns are NULL
###############################################################################
-- echo # ========== parameters.10 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

CREATE FUNCTION test_func5 (s date) RETURNS TIMESTAMP
RETURN CURRENT_TIMESTAMP;
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func5';

###############################################################################
# Testcase parameters.11:  ALTER FUNCTION
#                     Quick check to ensure ALTER doesn't affect this view
#                     Should have no effect -- comment visible in ROUTINES
#                     tested in i_s_routines.test
###############################################################################
-- echo # ========== parameters.11 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

CREATE FUNCTION test_func5 (s date) RETURNS TIMESTAMP
RETURN CURRENT_TIMESTAMP;
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func5';
ALTER FUNCTION test_func5 COMMENT 'new comment added';
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func5';

###############################################################################
# Testcase parameters.12:  MULTI-BYTE CHAR SETS
#                     Verify that CHAR_MAX_LENGTH and CHAR_OCTET_LENGTH
#                     differ as expected for multi-byte char sets
#                     Normally both values are equal
###############################################################################
-- echo # ========== parameters.12 ==========
--disable_warnings ONCE
DROP DATABASE IF EXISTS i_s_parameters_test;

CREATE DATABASE i_s_parameters_test CHARACTER SET  utf8;
USE i_s_parameters_test;

CREATE FUNCTION test_func5 (s CHAR(20)) RETURNS VARCHAR(30)
RETURN CONCAT('XYZ, ' ,s);
SELECT * FROM INFORMATION_SCHEMA.PARAMETERS
WHERE SPECIFIC_SCHEMA = 'i_s_parameters_test' AND SPECIFIC_NAME = 'test_func5';

###############################################################################
# Testcase parameters.13: Test case to test DATETIME_PRECISION in 
# information_schema.parameters table.
###############################################################################
-- echo # ========== parameters.13 ==========
--disable_warnings
DROP DATABASE IF EXISTS i_s_parameters_test;
--enable_warnings

CREATE DATABASE i_s_parameters_test;
USE i_s_parameters_test;

delimiter \\;
CREATE PROCEDURE test_proc (OUT p_p1 datetime,OUT p_p2 time,OUT p_p3 timestamp) BEGIN SELECT 1 ; END; \\
CREATE PROCEDURE test_proc0 (OUT p_p1 datetime(0),OUT p_p2 time(0),OUT p_p3 timestamp(0)) BEGIN SELECT 1 ; END; \\
CREATE PROCEDURE test_proc1 (OUT p_p1 datetime(1),OUT p_p2 time(1),OUT p_p3 timestamp(1)) BEGIN SELECT 1 ; END; \\
CREATE PROCEDURE test_proc2 (OUT p_p1 datetime(2),OUT p_p2 time(2),OUT p_p3 timestamp(2)) BEGIN SELECT 1 ; END; \\
CREATE PROCEDURE test_proc3 (OUT p_p1 datetime(3),OUT p_p2 time(3),OUT p_p3 timestamp(3)) BEGIN SELECT 1 ; END; \\
CREATE PROCEDURE test_proc4 (OUT p_p1 datetime(4),OUT p_p2 time(4),OUT p_p3 timestamp(4)) BEGIN SELECT 1 ; END; \\
CREATE PROCEDURE test_proc5 (OUT p_p1 datetime(5),OUT p_p2 time(5),OUT p_p3 timestamp(5)) BEGIN SELECT 1 ; END; \\
CREATE PROCEDURE test_proc6 (OUT p_p1 datetime(6),OUT p_p2 time(6),OUT p_p3 timestamp(6)) BEGIN SELECT 1 ; END; \\
delimiter ;\\

CREATE FUNCTION test_func (f_p1 DATETIME, f_p2 TIMESTAMP) RETURNS TIME RETURN NULL;
CREATE FUNCTION test_func0 (f_p1 DATETIME(0), f_p2 TIMESTAMP(0)) RETURNS TIME(0) RETURN NULL;
CREATE FUNCTION test_func1 (f_p1 DATETIME(1), f_p2 TIMESTAMP(1)) RETURNS TIME(1) RETURN NULL;
CREATE FUNCTION test_func2 (f_p1 DATETIME(2), f_p2 TIMESTAMP(2)) RETURNS TIME(2) RETURN NULL;
CREATE FUNCTION test_func3 (f_p1 DATETIME(3), f_p2 TIMESTAMP(3)) RETURNS TIME(3) RETURN NULL;
CREATE FUNCTION test_func4 (f_p1 DATETIME(4), f_p2 TIMESTAMP(4)) RETURNS TIME(4) RETURN NULL;
CREATE FUNCTION test_func5 (f_p1 DATETIME(5), f_p2 TIMESTAMP(5)) RETURNS TIME(5) RETURN NULL;
CREATE FUNCTION test_func6 (f_p1 DATETIME(6), f_p2 TIMESTAMP(6)) RETURNS TIME(6) RETURN NULL;

SELECT SPECIFIC_SCHEMA, SPECIFIC_NAME, PARAMETER_NAME, DATA_TYPE, 
DATETIME_PRECISION from INFORMATION_SCHEMA.PARAMETERS WHERE 
SPECIFIC_SCHEMA='i_s_parameters_test';


# Cleanup
DROP DATABASE i_s_parameters_test;