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Bug #3928 regexp [[:>:]] and UTF-8

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2004-06-07 12:51:18 +05:00
parent 5cc410bb70
commit 938fb67bd2
3 changed files with 51 additions and 7 deletions
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22
mysql-test/r/ctype_utf8.result
View File

@@ -218,3 +218,25 @@ b
select * from t1 where a = 'b' and a != 'b';
a
drop table t1;
set names utf8;
select 'вася' rlike '[[:<:]]вася[[:>:]]';
'вася' rlike '[[:<:]]вася[[:>:]]'
1
select 'вася ' rlike '[[:<:]]вася[[:>:]]';
'вася ' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася' rlike '[[:<:]]вася[[:>:]]';
' вася' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася ' rlike '[[:<:]]вася[[:>:]]';
' вася ' rlike '[[:<:]]вася[[:>:]]'
1
select 'васяz' rlike '[[:<:]]вася[[:>:]]';
'васяz' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвася' rlike '[[:<:]]вася[[:>:]]';
'zвася' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвасяz' rlike '[[:<:]]вася[[:>:]]';
'zвасяz' rlike '[[:<:]]вася[[:>:]]'
0

16
mysql-test/t/ctype_utf8.test
View File

@@ -141,3 +141,19 @@ select * from t1 where a = 'b';
select * from t1 where a = 'b' and a = 'b';
select * from t1 where a = 'b' and a != 'b';
drop table t1;
#
# Bug #3928 regexp [[:>:]] and UTF-8
#
set names utf8;
# This should return TRUE
select 'вася' rlike '[[:<:]]вася[[:>:]]';
select 'вася ' rlike '[[:<:]]вася[[:>:]]';
select ' вася' rlike '[[:<:]]вася[[:>:]]';
select ' вася ' rlike '[[:<:]]вася[[:>:]]';
# This should return FALSE
select 'васяz' rlike '[[:<:]]вася[[:>:]]';
select 'zвася' rlike '[[:<:]]вася[[:>:]]';
select 'zвасяz' rlike '[[:<:]]вася[[:>:]]';

20
strings/ctype-utf8.c
View File

@@ -1524,8 +1524,12 @@ MY_UNICASE_INFO *uni_plane[256]={
#ifdef HAVE_CHARSET_utf8
/* These arrays are taken from usa7 implementation */
/*
We consider bytes with code more than 127 as a letter.
This garantees that word boundaries work fine with regular
expressions. Note, there is no need to mark byte 255 as a
letter, it is illegal byte in UTF8.
*/
static uchar ctype_utf8[] = {
0,
32, 32, 32, 32, 32, 32, 32, 32, 32, 40, 40, 40, 40, 40, 32, 32,
@@ -1536,16 +1540,18 @@ static uchar ctype_utf8[] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 16, 16, 16, 16,
16,130,130,130,130,130,130, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 16, 16, 16, 16, 32,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0
};
/* The below are taken from usa7 implementation */
static uchar to_lower_utf8[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,