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#
# Tests for the MONTH() function
#
# The Drizzle MONTH() function differs from the MySQL MONTH()
# function in these ways:
#
# * Does not accept invalid parameters. This results in an error
# in Drizzle.
#
# MONTH() on a NULL should produce
# a NULL.
SELECT MONTH(NULL);
#
# Test improper argument list
#
# 1 arg is required.
--error ER_PARSE_ERROR
# Wrong parameter count...but unfortunately produces 1064 Syntax Error due to limitations of
# the SQL parser, which considers MONTH a keyword before being a function symbol
SELECT MONTH();
--error ER_PARSE_ERROR
# Wrong parameter count...but unfortunately produces 1064 Syntax Error due to limitations of
# the SQL parser, which considers MONTH a keyword before being a function symbol
SELECT MONTH(1, 0);
#
# Test invalid dates passed to MONTH
# produce an error, not a NULL or anything
# else...
#
--error ER_INVALID_DATETIME_VALUE
SELECT MONTH("xxx");
# Indy, bad dates!
--error ER_INVALID_DATETIME_VALUE
SELECT MONTH("0000-00-00"); # No 0000-00-00 dates!...
--error ER_INVALID_DATETIME_VALUE
SELECT MONTH("0000-01-01"); # No zero year parts
--error ER_INVALID_DATETIME_VALUE
SELECT MONTH("0001-00-01"); # No zero month parts
--error ER_INVALID_DATETIME_VALUE
SELECT MONTH("0001-01-00"); # No zero day parts
--error ER_INVALID_DATETIME_VALUE
SELECT MONTH("2000-02-30"); # No Feb 30th!
--error ER_INVALID_DATETIME_VALUE
SELECT MONTH("1900-02-29"); # Not a leap MONTH since not divisible evenly by 400...
--error ER_INVALID_DATETIME_VALUE
SELECT MONTH('1976-15-15'); # No 15th month!
# A good date, which should output 1
SELECT MONTH("2009-01-12");
# A good date, which should output 1999 - Test of 1 digit MONTH conversion...
SELECT MONTH("99-1-31");
# A good date, which should output 9
SELECT MONTH("0001-09-30");
# A good date, which should output 12
SELECT MONTH("9999-12-31");
# A good date in the common USA format, should output 7
SELECT MONTH('07/31/2009');
#
# Tests for alternate DATETIME syntaxes
# in string and numeric formats. All should
# return 9.
#
SELECT MONTH('20090916');
SELECT MONTH('20090916091528');
SELECT MONTH("20090916091528.000000");
SELECT MONTH('09-09-16');
SELECT MONTH('09.09.16');
SELECT MONTH('09/09/16');
SELECT MONTH('09-09-16');
SELECT MONTH('09-9-2');
SELECT MONTH(20090916);
SELECT MONTH(20090916091528);
SELECT MONTH(20090916091528.000001);
# Now test field values of different types
USE test;
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1 (
int_fld INT NOT NULL
, date_fld DATE NOT NULL
, datetime_fld DATETIME NOT NULL
, timestamp_fld TIMESTAMP NOT NULL
, char_fld CHAR(22) NOT NULL
, varchar_fld VARCHAR(22) NOT NULL
, text_fld TEXT NOT NULL
, blob_fld BLOB NOT NULL
);
INSERT INTO t1 VALUES (
20071130
, "2007-11-30"
, "2007-11-30 16:30:19"
, "2007-11-30T16:30:19"
, "2007-11-30 16:30:19"
, "2007-11-30 16:30:19"
, "2007-11-30T16:30:19"
, "2007-11-30T16:30:19"
);
# Should all output 11
SELECT MONTH(int_fld) FROM t1;
SELECT MONTH(date_fld) FROM t1;
SELECT MONTH(datetime_fld) FROM t1;
SELECT MONTH(timestamp_fld) FROM t1;
SELECT MONTH(char_fld) FROM t1;
SELECT MONTH(varchar_fld) FROM t1;
SELECT MONTH(text_fld) FROM t1;
SELECT MONTH(blob_fld) FROM t1;
DROP TABLE t1;
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