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h2database
Commits
ba32fd21
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ba32fd21
authored
3月 06, 2012
作者:
Thomas Mueller
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电子邮件补丁
差异文件
MySQL compatibility: SUBSTR with a negative start index now works like MySQL.
上级
ced610b7
显示空白字符变更
内嵌
并排
正在显示
4 个修改的文件
包含
14 行增加
和
3 行删除
+14
-3
help.csv
h2/src/docsrc/help/help.csv
+3
-1
changelog.html
h2/src/docsrc/html/changelog.html
+2
-1
Function.java
h2/src/main/org/h2/expression/Function.java
+5
-1
testSimple.in.txt
h2/src/test/org/h2/test/testSimple.in.txt
+4
-0
没有找到文件。
h2/src/docsrc/help/help.csv
浏览文件 @
ba32fd21
...
@@ -3096,10 +3096,12 @@ CALL UTF8TOSTRING(STRINGTOUTF8('This is a test'))
...
@@ -3096,10 +3096,12 @@ CALL UTF8TOSTRING(STRINGTOUTF8('This is a test'))
{ SUBSTRING | SUBSTR } ( string, startInt [, lengthInt ] )
{ SUBSTRING | SUBSTR } ( string, startInt [, lengthInt ] )
","
","
Returns a substring of a string starting at a position.
Returns a substring of a string starting at a position.
If the start index is negative, then the start index is relative to the end of the string.
The length is optional.
The length is optional.
Also supported is: ""SUBSTRING(string FROM start [FOR length])"".
Also supported is: ""SUBSTRING(string FROM start [FOR length])"".
","
","
SUBSTR(NAME, 1)
CALL SUBSTR('[Hello]', 2, 5);
CALL SUBSTR('Hello World', -5);
"
"
"Functions (String)","UTF8TOSTRING","
"Functions (String)","UTF8TOSTRING","
...
...
h2/src/docsrc/html/changelog.html
浏览文件 @
ba32fd21
...
@@ -18,7 +18,8 @@ Change Log
...
@@ -18,7 +18,8 @@ Change Log
<h1>
Change Log
</h1>
<h1>
Change Log
</h1>
<h2>
Next Version (unreleased)
</h2>
<h2>
Next Version (unreleased)
</h2>
<ul><li>
When enabling autocommit, the transaction is now committed (as required by the JDBC API).
<ul><li>
MySQL compatibility: SUBSTR with a negative start index now works like MySQL.
</li><li>
When enabling autocommit, the transaction is now committed (as required by the JDBC API).
</li><li>
The shell script
<code>
h2.sh
</code>
did not work with spaces in the path.
</li><li>
The shell script
<code>
h2.sh
</code>
did not work with spaces in the path.
It also works now with quoted spaces in the argument list.
It also works now with quoted spaces in the argument list.
Thanks a lot to Shimizu Fumiyuki for the patch!
Thanks a lot to Shimizu Fumiyuki for the patch!
...
...
h2/src/main/org/h2/expression/Function.java
浏览文件 @
ba32fd21
...
@@ -1049,8 +1049,12 @@ public class Function extends Expression implements FunctionCall {
...
@@ -1049,8 +1049,12 @@ public class Function extends Expression implements FunctionCall {
case
SUBSTR:
case
SUBSTR:
case
SUBSTRING:
{
case
SUBSTRING:
{
String
s
=
v0
.
getString
();
String
s
=
v0
.
getString
();
int
offset
=
v1
.
getInt
();
if
(
offset
<
0
)
{
offset
=
s
.
length
()
+
offset
+
1
;
}
int
length
=
v2
==
null
?
s
.
length
()
:
v2
.
getInt
();
int
length
=
v2
==
null
?
s
.
length
()
:
v2
.
getInt
();
result
=
ValueString
.
get
(
substring
(
s
,
v1
.
getInt
()
,
length
));
result
=
ValueString
.
get
(
substring
(
s
,
offset
,
length
));
break
;
break
;
}
}
case
POSITION:
case
POSITION:
...
...
h2/src/test/org/h2/test/testSimple.in.txt
浏览文件 @
ba32fd21
select substr('[Hello]', 2, 5);
> Hello;
select substr('Hello World', -5);
> World;
create table test(id null);
create table test(id null);
drop table test;
drop table test;
select select decode(null, null, 'a');
select select decode(null, null, 'a');
...
...
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