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MDEV-9371 select insert('a',2,1,'b') doesn't return expected 'a'

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This commit is contained in:
Alexander Barkov
2016-02-10 10:03:47 +04:00
parent 3c5c04bd2b
commit a9a08b1e2f
8 changed files with 13 additions and 13 deletions
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7
mysql-test/r/ctype_utf8.result
View File

@ -116,7 +116,7 @@ hex(a) STRCMP(a,'a') STRCMP(a,'a ')
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
this is test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b
@ -5092,9 +5092,10 @@ SET sql_mode=default;
SET NAMES utf8;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (0), (0), (1), (0), (0);
SELECT COUNT(*) FROM t1, t1 t2
SELECT COUNT(*) FROM t1, t1 t2
GROUP BY INSERT('', t2.a, t1.a, (@@global.max_binlog_size));
ERROR 23000: Duplicate entry '107374182410737418241' for key 'group_key'
COUNT(*)
25
DROP TABLE t1;
#
# Bug#11764503 (Bug#57341) Query in EXPLAIN EXTENDED shows wrong characters

2
mysql-test/r/ctype_utf8mb4.result
View File

@ -116,7 +116,7 @@ hex(a) STRCMP(a,'a') STRCMP(a,'a ')
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
this is test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b

2
mysql-test/r/ctype_utf8mb4_heap.result
View File

@ -116,7 +116,7 @@ hex(a) STRCMP(a,'a') STRCMP(a,'a ')
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
this is test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b

2
mysql-test/r/ctype_utf8mb4_innodb.result
View File

@ -116,7 +116,7 @@ hex(a) STRCMP(a,'a') STRCMP(a,'a ')
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
this is test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b

2
mysql-test/r/ctype_utf8mb4_myisam.result
View File

@ -116,7 +116,7 @@ hex(a) STRCMP(a,'a') STRCMP(a,'a ')
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
this is test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b

6
mysql-test/r/func_str.result
View File

@ -203,7 +203,7 @@ CONCAT('"',CONCAT_WS('";"',repeat('a',60),repeat('b',60),repeat('c',60),repeat('
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc";"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
this is test
select replace('aaaa','a','b'),replace('aaaa','aa','b'),replace('aaaa','a','bb'),replace('aaaa','','b'),replace('bbbb','a','c');
replace('aaaa','a','b') replace('aaaa','aa','b') replace('aaaa','a','bb') replace('aaaa','','b') replace('bbbb','a','c')
bbbb bb bbbbbbbb aaaa bbbb
@ -2335,7 +2335,7 @@ INSERT('abc', 3, 3, '1234')
ab1234
SELECT INSERT('abc', 4, 3, '1234');
INSERT('abc', 4, 3, '1234')
abc1234
abc
SELECT INSERT('abc', 5, 3, '1234');
INSERT('abc', 5, 3, '1234')
abc
@ -2625,7 +2625,7 @@ CREATE TABLE t1 ( a TEXT );
SELECT 'aaaaaaaaaaaaaa' INTO OUTFILE 'MYSQLTEST_VARDIR/tmp/bug58165.txt';;
SELECT insert( substring_index( 'a', 'a', 'b' ), 1, 0, 'x' );
insert( substring_index( 'a', 'a', 'b' ), 1, 0, 'x' )
x
Warnings:
Warning 1292 Truncated incorrect INTEGER value: 'b'
LOAD DATA INFILE 'MYSQLTEST_VARDIR/tmp/bug58165.txt' INTO TABLE t1;;

3
mysql-test/t/ctype_utf8.test
View File

@ -1563,8 +1563,7 @@ SET NAMES utf8;
SET NAMES utf8;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (0), (0), (1), (0), (0);
--error ER_DUP_ENTRY
SELECT COUNT(*) FROM t1, t1 t2
SELECT COUNT(*) FROM t1, t1 t2
GROUP BY INSERT('', t2.a, t1.a, (@@global.max_binlog_size));
DROP TABLE t1;

2
sql/item_strfunc.cc
View File

@ -1212,7 +1212,7 @@ String *Item_func_insert::val_str(String *str)
length= res->charpos((int) length, (uint32) start);
/* Re-testing with corrected params */
if (start > res->length())
if (start + 1 > res->length()) // remember, start = args[1].val_int() - 1
return res; /* purecov: inspected */ // Wrong param; skip insert
if (length > res->length() - start)
length= res->length() - start;