mariadb/mysql-test/t/sql_mode.test

--disable_warnings
drop table if exists t1;
--enable_warnings

CREATE TABLE `t1` (
  a int not null auto_increment,
  `pseudo` varchar(35) character set latin2 NOT NULL default '',
  `email` varchar(60) character set latin2 NOT NULL default '',
  PRIMARY KEY  (a),
  UNIQUE KEY `email` USING BTREE (`email`) 
) ENGINE=HEAP CHARSET=latin1 ROW_FORMAT DYNAMIC;
set @@sql_mode="";
show variables like 'sql_mode';
show create table t1;
set @@sql_mode="ansi_quotes";
show variables like 'sql_mode';
show create table t1;
set @@sql_mode="no_table_options";
show variables like 'sql_mode';
show create table t1;
set @@sql_mode="no_key_options";
show variables like 'sql_mode';
show create table t1;
set @@sql_mode="no_field_options,mysql323,mysql40";
show variables like 'sql_mode';
show create table t1;
set sql_mode="postgresql,oracle,mssql,db2,maxdb";
select @@sql_mode;
show create table t1;
drop table t1;

#
# Check that a binary collation adds 'binary'
# suffix into a char() column definition in
# mysql40 and mysql2323 modes. This allows
# not to lose the column's case sensitivity
# when loading the dump in pre-4.1 servers. 
#
# Thus, in 4.0 and 3.23 modes we dump:
#
#   'char(10) collate xxx_bin' as 'char(10) binary' 
#   'binary(10)' as 'binary(10)'
#
# In mysql-4.1 these types are different, and they will
# be recreated differently.
#
# In mysqld-4.0 the the above two types were the same,
# so it will create a 'char(10) binary' column for both definitions.
# 
CREATE TABLE t1 (
 a char(10),
 b char(10) collate latin1_bin,
 c binary(10)
) character set latin1;
set @@sql_mode="";
show create table t1;
set @@sql_mode="mysql323";
show create table t1;
set @@sql_mode="mysql40";
show create table t1;
drop table t1;

#
# BUG#5318 - failure: 'IGNORE_SPACE' affects numeric values after DEFAULT
#
# Force the usage of the default
set session sql_mode = '';
# statement for comparison, value starts with '.'
create table t1 ( min_num   dec(6,6)     default .000001);
show create table t1;
drop table t1 ;
#
set session sql_mode = 'IGNORE_SPACE';
# statement for comparison, value starts with '0'
create table t1 ( min_num   dec(6,6)     default 0.000001);
show create table t1;
drop table t1 ;
# This statement fails, value starts with '.'
create table t1 ( min_num   dec(6,6)     default .000001);
show create table t1;
drop table t1 ;


#
# test for 
#  WL 1941 "NO_C_ESCAPES sql_mode"
#
# an sql_mode to disable \n, \r, \b, etc escapes in string literals. actually, to
# disable special meaning of backslash completely. It's not in the SQL standard
# and it causes some R/3 tests to fail.
#

SET @OLD_SQL_MODE=@@SQL_MODE, @@SQL_MODE='';
show local variables like 'SQL_MODE';

CREATE TABLE t1 (p int not null auto_increment, a varchar(20), primary key(p));
INSERT t1 (a) VALUES 
('\\'),
('\n'),
('\b'),
('\r'),
('\t'),
('\x'),
('\a'),
('\aa'),
('\\a'),
('\\aa'),
('_'),
('\_'),
('\\_'),
('\\\_'),
('\\\\_'),
('%'),
('\%'),
('\\%'),
('\\\%'),
('\\\\%')
;

SELECT p, hex(a) FROM t1;

delete from t1 where a in ('\n','\r','\t', '\b');

select
  masks.p,
  masks.a as mask,
  examples.a as example
from
            t1 as masks
  left join t1 as examples on examples.a LIKE masks.a
order by masks.p, example;

DROP TABLE t1;

SET @@SQL_MODE='NO_BACKSLASH_ESCAPES';
show local variables like 'SQL_MODE';

CREATE TABLE t1 (p int not null auto_increment, a varchar(20), primary key(p));
INSERT t1 (a) VALUES 
('\\'),
('\n'),
('\b'),
('\r'),
('\t'),
('\x'),
('\a'),
('\aa'),
('\\a'),
('\\aa'),
('_'),
('\_'),
('\\_'),
('\\\_'),
('\\\\_'),
('%'),
('\%'),
('\\%'),
('\\\%'),
('\\\\%')
;

SELECT p, hex(a) FROM t1;

delete from t1 where a in ('\n','\r','\t', '\b');

select 
  masks.p,
  masks.a as mask,
  examples.a as example
from
            t1 as masks
  left join t1 as examples on examples.a LIKE masks.a
order by masks.p, example;

DROP TABLE t1;

# Bug #6368: Make sure backslashes mixed with doubled quotes are handled
# correctly in NO_BACKSLASH_ESCAPES mode
SET @@SQL_MODE='NO_BACKSLASH_ESCAPES';
SELECT 'a\\b', 'a\\\"b', 'a''\\b', 'a''\\\"b';
SELECT "a\\b", "a\\\'b", "a""\\b", "a""\\\'b";

SET @@SQL_MODE='';
SELECT 'a\\b', 'a\\\"b', 'a''\\b', 'a''\\\"b';
SELECT "a\\b", "a\\\'b", "a""\\b", "a""\\\'b";

SET @@SQL_MODE=@OLD_SQL_MODE;