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h2database
Commits
9dfec247
提交
9dfec247
authored
6月 10, 2015
作者:
Thomas Mueller
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7352ba5d
be58ad0d
隐藏空白字符变更
内嵌
并排
正在显示
3 个修改的文件
包含
40 行增加
和
2 行删除
+40
-2
changelog.html
h2/src/docsrc/html/changelog.html
+2
-0
Function.java
h2/src/main/org/h2/expression/Function.java
+25
-1
TestFunctions.java
h2/src/test/org/h2/test/db/TestFunctions.java
+13
-1
没有找到文件。
h2/src/docsrc/html/changelog.html
浏览文件 @
9dfec247
...
...
@@ -24,6 +24,8 @@ Change Log
<li>
The in-memory file systems (memFS: and memLZF:) did not support files larger than 2 GB
due to an integer overflow.
</li>
<li>
Pull request #138: Added the simple Oracle function: ORA_HASH (+ tests) #138
</li>
<li>
Timestamps in the trace log follow the format (yyyy-MM-dd HH:mm:ss) instead
of the old format (MM-dd HH:mm:ss). Patch by Richard Bull.
</li>
...
...
h2/src/main/org/h2/expression/Function.java
浏览文件 @
9dfec247
...
...
@@ -92,7 +92,7 @@ public class Function extends Expression implements FunctionCall {
STRINGDECODE
=
80
,
STRINGTOUTF8
=
81
,
UTF8TOSTRING
=
82
,
XMLATTR
=
83
,
XMLNODE
=
84
,
XMLCOMMENT
=
85
,
XMLCDATA
=
86
,
XMLSTARTDOC
=
87
,
XMLTEXT
=
88
,
REGEXP_REPLACE
=
89
,
RPAD
=
90
,
LPAD
=
91
,
CONCAT_WS
=
92
,
TO_CHAR
=
93
,
TRANSLATE
=
94
;
LPAD
=
91
,
CONCAT_WS
=
92
,
TO_CHAR
=
93
,
TRANSLATE
=
94
,
ORA_HASH
=
95
;
public
static
final
int
CURDATE
=
100
,
CURTIME
=
101
,
DATE_ADD
=
102
,
DATE_DIFF
=
103
,
DAY_NAME
=
104
,
DAY_OF_MONTH
=
105
,
...
...
@@ -297,6 +297,7 @@ public class Function extends Expression implements FunctionCall {
addFunction
(
"RPAD"
,
RPAD
,
VAR_ARGS
,
Value
.
STRING
);
addFunction
(
"LPAD"
,
LPAD
,
VAR_ARGS
,
Value
.
STRING
);
addFunction
(
"TO_CHAR"
,
TO_CHAR
,
VAR_ARGS
,
Value
.
STRING
);
addFunction
(
"ORA_HASH"
,
ORA_HASH
,
VAR_ARGS
,
Value
.
INT
);
addFunction
(
"TRANSLATE"
,
TRANSLATE
,
3
,
Value
.
STRING
);
// date
...
...
@@ -1394,6 +1395,11 @@ public class Function extends Expression implements FunctionCall {
v1
.
getInt
(),
v2
==
null
?
null
:
v2
.
getString
(),
false
),
database
.
getMode
().
treatEmptyStringsAsNull
);
break
;
case
ORA_HASH:
result
=
ValueLong
.
get
(
oraHash
(
v0
.
getString
(),
v1
==
null
?
null
:
v1
.
getInt
(),
v2
==
null
?
null
:
v2
.
getInt
()));
break
;
case
TO_CHAR:
switch
(
v0
.
getType
()){
case
Value
.
TIME
:
...
...
@@ -2039,6 +2045,20 @@ public class Function extends Expression implements FunctionCall {
return
new
String
(
chars
);
}
private
static
Integer
oraHash
(
String
s
,
Integer
bucket
,
Integer
seed
)
{
int
hc
=
s
.
hashCode
();
if
(
seed
!=
null
&&
seed
.
intValue
()
!=
0
)
{
hc
*=
seed
.
intValue
()
*
17
;
}
if
(
bucket
==
null
||
bucket
.
intValue
()
<=
0
)
{
// do nothing
}
else
{
hc
%=
bucket
.
intValue
();
}
return
hc
;
}
@Override
public
int
getType
()
{
return
dataType
;
...
...
@@ -2088,6 +2108,10 @@ public class Function extends Expression implements FunctionCall {
min
=
1
;
max
=
3
;
break
;
case
ORA_HASH:
min
=
1
;
max
=
3
;
break
;
case
REPLACE:
case
LOCATE:
case
INSTR:
...
...
h2/src/test/org/h2/test/db/TestFunctions.java
浏览文件 @
9dfec247
...
...
@@ -90,6 +90,7 @@ public class TestFunctions extends TestBase implements AggregateFunction {
testNvl2
();
testConcatWs
();
testTruncate
();
testOraHash
();
testToCharFromDateTime
();
testToCharFromNumber
();
testToCharFromText
();
...
...
@@ -1221,6 +1222,18 @@ public class TestFunctions extends TestBase implements AggregateFunction {
conn
.
close
();
}
private
void
testOraHash
()
throws
SQLException
{
deleteDb
(
"functions"
);
Connection
conn
=
getConnection
(
"functions"
);
Statement
stat
=
conn
.
createStatement
();
String
testStr
=
"foo"
;
assertResult
(
String
.
valueOf
(
"foo"
.
hashCode
()),
stat
,
String
.
format
(
"SELECT ORA_HASH('%s') FROM DUAL"
,
testStr
));
assertResult
(
String
.
valueOf
(
"foo"
.
hashCode
()),
stat
,
String
.
format
(
"SELECT ORA_HASH('%s', 0) FROM DUAL"
,
testStr
));
assertResult
(
String
.
valueOf
(
"foo"
.
hashCode
()),
stat
,
String
.
format
(
"SELECT ORA_HASH('%s', 0, 0) FROM DUAL"
,
testStr
));
}
private
void
testToCharFromDateTime
()
throws
SQLException
{
deleteDb
(
"functions"
);
Connection
conn
=
getConnection
(
"functions"
);
...
...
@@ -1658,7 +1671,6 @@ public class TestFunctions extends TestBase implements AggregateFunction {
conn
.
close
();
}
private
void
testGenerateSeries
()
throws
SQLException
{
Connection
conn
=
getConnection
(
"functions"
);
Statement
stat
=
conn
.
createStatement
();
...
...
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