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h2database
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64fcf884
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64fcf884
authored
11 年前
作者:
noelgrandin
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电子邮件补丁
差异文件
Issue 73: MySQL compatibility: support REPLACE, patch by Cemo Koc.
上级
970c2d36
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显示空白字符变更
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5 个修改的文件
包含
427 行增加
和
1 行删除
+427
-1
changelog.html
h2/src/docsrc/html/changelog.html
+1
-1
CommandInterface.java
h2/src/main/org/h2/command/CommandInterface.java
+5
-0
Parser.java
h2/src/main/org/h2/command/Parser.java
+42
-0
Replace.java
h2/src/main/org/h2/command/dml/Replace.java
+320
-0
TestReplace.java
h2/src/test/org/h2/test/db/TestReplace.java
+59
-0
没有找到文件。
h2/src/docsrc/html/changelog.html
浏览文件 @
64fcf884
...
...
@@ -18,7 +18,7 @@ Change Log
<h1>
Change Log
</h1>
<h2>
Next Version (unreleased)
</h2>
<ul><li>
-
<ul><li>
Issue 73: MySQL compatibility: support REPLACE, patch by Cemo Koc.
</li></ul>
<h2>
Version 1.3.174 (2013-10-19)
</h2>
...
...
This diff is collapsed.
Click to expand it.
h2/src/main/org/h2/command/CommandInterface.java
浏览文件 @
64fcf884
...
...
@@ -335,6 +335,11 @@ public interface CommandInterface {
*/
int
MERGE
=
62
;
/**
* The type of a REPLACE statement.
*/
int
REPLACE
=
63
;
/**
* The type of a no operation statement.
*/
...
...
This diff is collapsed.
Click to expand it.
h2/src/main/org/h2/command/Parser.java
浏览文件 @
64fcf884
...
...
@@ -70,6 +70,7 @@ import org.h2.command.dml.Insert;
import
org.h2.command.dml.Merge
;
import
org.h2.command.dml.NoOperation
;
import
org.h2.command.dml.Query
;
import
org.h2.command.dml.Replace
;
import
org.h2.command.dml.RunScriptCommand
;
import
org.h2.command.dml.ScriptCommand
;
import
org.h2.command.dml.Select
;
...
...
@@ -407,6 +408,8 @@ public class Parser {
c
=
parseRunScript
();
}
else
if
(
readIf
(
"RELEASE"
))
{
c
=
parseReleaseSavepoint
();
}
else
if
(
readIf
(
"REPLACE"
))
{
c
=
parseReplace
();
}
break
;
case
's'
:
...
...
@@ -1044,6 +1047,45 @@ public class Parser {
return
command
;
}
/**
* MySQL compatibility. REPLACE is similar to MERGE.
*/
private
Replace
parseReplace
()
{
Replace
command
=
new
Replace
(
session
);
currentPrepared
=
command
;
read
(
"INTO"
);
Table
table
=
readTableOrView
();
command
.
setTable
(
table
);
if
(
readIf
(
"("
))
{
if
(
isSelect
())
{
command
.
setQuery
(
parseSelect
());
read
(
")"
);
return
command
;
}
Column
[]
columns
=
parseColumnList
(
table
);
command
.
setColumns
(
columns
);
}
if
(
readIf
(
"VALUES"
))
{
do
{
ArrayList
<
Expression
>
values
=
New
.
arrayList
();
read
(
"("
);
if
(!
readIf
(
")"
))
{
do
{
if
(
readIf
(
"DEFAULT"
))
{
values
.
add
(
null
);
}
else
{
values
.
add
(
readExpression
());
}
}
while
(
readIfMore
());
}
command
.
addRow
(
values
.
toArray
(
new
Expression
[
values
.
size
()]));
}
while
(
readIf
(
","
));
}
else
{
command
.
setQuery
(
parseSelect
());
}
return
command
;
}
private
TableFilter
readTableFilter
(
boolean
fromOuter
)
{
Table
table
;
String
alias
=
null
;
...
...
This diff is collapsed.
Click to expand it.
h2/src/main/org/h2/command/dml/Replace.java
0 → 100644
浏览文件 @
64fcf884
差异被折叠。
点击展开。
h2/src/test/org/h2/test/db/TestReplace.java
0 → 100644
浏览文件 @
64fcf884
package
org
.
h2
.
test
.
db
;
import
org.h2.test.TestBase
;
import
java.sql.Connection
;
import
java.sql.ResultSet
;
import
java.sql.SQLException
;
import
java.sql.Statement
;
/**
* Test the MySQL-compatibility REPLACE command.
*
* @author Cemo
*/
public
class
TestReplace
extends
TestBase
{
/**
* Run just this test.
*
* @param a ignored
*/
public
static
void
main
(
String
...
a
)
throws
Exception
{
TestBase
.
createCaller
().
init
().
test
();
}
@Override
public
void
test
()
throws
SQLException
{
deleteDb
(
"replace"
);
Connection
conn
=
getConnection
(
"replace"
);
testReplace
(
conn
);
conn
.
close
();
deleteDb
(
"replace"
);
}
private
void
testReplace
(
Connection
conn
)
throws
SQLException
{
Statement
stat
=
conn
.
createStatement
();
ResultSet
rs
;
stat
.
execute
(
"CREATE TABLE TABLE_WORD ("
+
" WORD_ID int(11) NOT NULL AUTO_INCREMENT,"
+
" WORD varchar(128) NOT NULL,"
+
" PRIMARY KEY (WORD_ID)"
+
");"
);
stat
.
execute
(
"REPLACE INTO TABLE_WORD ( WORD ) VALUES ('aaaaaaaaaa')"
);
stat
.
execute
(
"REPLACE INTO TABLE_WORD ( WORD ) VALUES ('bbbbbbbbbb')"
);
stat
.
execute
(
"REPLACE INTO TABLE_WORD ( WORD_ID, WORD ) VALUES (3, 'cccccccccc')"
);
rs
=
stat
.
executeQuery
(
"SELECT WORD FROM TABLE_WORD where WORD_ID = 1"
);
rs
.
next
();
assertEquals
(
"aaaaaaaaaa"
,
rs
.
getNString
(
1
));
stat
.
execute
(
"REPLACE INTO TABLE_WORD ( WORD_ID, WORD ) VALUES (1, 'REPLACED')"
);
rs
=
stat
.
executeQuery
(
"SELECT WORD FROM TABLE_WORD where WORD_ID = 1"
);
rs
.
next
();
assertEquals
(
"REPLACED"
,
rs
.
getNString
(
1
));
}
}
This diff is collapsed.
Click to expand it.
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