varbinary.test

来自「视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.」· TEST 代码 · 共 87 行

# This test uses chmod, can't be run with root permissions
-- source include/not_as_root.inc


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

#
# varbinary as string and number
#

select 0x41,0x41+0,0x41 | 0x7fffffffffffffff | 0,0xffffffffffffffff | 0 ;
select 0x31+1,concat(0x31)+1,-0xf;
select x'31',X'ffff'+0;

#
# Test of hex constants in WHERE:
#

create table t1 (ID int(8) unsigned zerofill not null auto_increment,UNIQ bigint(21) unsigned zerofill not null,primary key (ID),unique (UNIQ) );
insert into t1 set UNIQ=0x38afba1d73e6a18a;
insert into t1 set UNIQ=123; 
explain extended select * from t1 where UNIQ=0x38afba1d73e6a18a;
drop table t1;

#
# Test error conditions
#
--error 1064
select x'hello';
--error 1054
select 0xfg;

#
# Test likely error conditions
#
create table t1 select 1 as x, 2 as xx;
select x,xx from t1;
drop table t1;

# End of 4.1 tests

#
# Bug #19371 VARBINARY() have trailing zeros after upgrade from 4.1
#

# Test with a saved table from 4.1
copy_file std_data/bug19371.frm $MYSQLTEST_VARDIR/master-data/test/t1.frm;
chmod 0777 $MYSQLTEST_VARDIR/master-data/test/t1.frm;
copy_file std_data/bug19371.MYD $MYSQLTEST_VARDIR/master-data/test/t1.MYD;
chmod 0777 $MYSQLTEST_VARDIR/master-data/test/t1.MYD;
copy_file std_data/bug19371.MYI $MYSQLTEST_VARDIR/master-data/test/t1.MYI;
chmod 0777 $MYSQLTEST_VARDIR/master-data/test/t1.MYI;

# Everything _looks_ fine
show create table t1;

# But the length of the varbinary columns are too long
select length(a), length(b) from t1;

# Run CHECK TABLE, it should indicate table need a REPAIR TABLE
CHECK TABLE t1 FOR UPGRADE;

# Run REPAIR TABLE to alter the table and repair
# the varbinary fields
REPAIR TABLE t1;

# Now check it's back to normal
show create table t1;
select length(a), length(b) from t1;
insert into t1 values("ccc", "ddd");
select length(a), length(b) from t1;
select hex(a), hex(b) from t1;
select concat("'", a, "'"), concat("'", b, "'") from t1;

drop table t1;

# Check that the fix does not affect table created with current version
create table t1(a varbinary(255));
insert into t1 values("aaa   ");
select length(a) from t1;
alter table t1 modify a varchar(255);
select length(a) from t1;