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Administrator
h2database
Commits
fe3c26a0
提交
fe3c26a0
authored
9月 12, 2016
作者:
Hendrik Schreiber
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差异文件
Support for BEFORE and AFTER clauses when using multiple columns in ALTER TABLE ADD.
上级
61b93a60
隐藏空白字符变更
内嵌
并排
正在显示
4 个修改的文件
包含
43 行增加
和
5 行删除
+43
-5
help.csv
h2/src/docsrc/help/help.csv
+2
-2
Parser.java
h2/src/main/org/h2/command/Parser.java
+5
-1
help.csv
h2/src/main/org/h2/res/help.csv
+2
-2
TestAlter.java
h2/src/test/org/h2/test/db/TestAlter.java
+34
-0
没有找到文件。
h2/src/docsrc/help/help.csv
浏览文件 @
fe3c26a0
...
...
@@ -226,8 +226,8 @@ ALTER SEQUENCE SEQ_ID RESTART WITH 1000
"Commands (DDL)","ALTER TABLE ADD","
ALTER TABLE [ IF EXISTS ] tableName ADD [ COLUMN ]
{ [ IF NOT EXISTS ] columnDefinition
[ { BEFORE | AFTER } columnName ]
| ( { columnDefinition } [,...] ) }
{ [ IF NOT EXISTS ] columnDefinition
| ( { columnDefinition } [,...] ) }
[ { BEFORE | AFTER } columnName ]
","
Adds a new column to a table.
This command commits an open transaction in this connection.
...
...
h2/src/main/org/h2/command/Parser.java
浏览文件 @
fe3c26a0
...
...
@@ -5719,7 +5719,11 @@ public class Parser {
columnsToAdd
.
add
(
column
);
}
while
(
readIf
(
","
));
read
(
")"
);
command
.
setNewColumns
(
columnsToAdd
);
if
(
readIf
(
"BEFORE"
))
{
command
.
setAddBefore
(
readColumnIdentifier
());
}
else
if
(
readIf
(
"AFTER"
))
{
command
.
setAddAfter
(
readColumnIdentifier
());
}
}
else
{
boolean
ifNotExists
=
readIfNotExists
();
command
.
setIfNotExists
(
ifNotExists
);
...
...
h2/src/main/org/h2/res/help.csv
浏览文件 @
fe3c26a0
...
...
@@ -84,8 +84,8 @@ ALTER SEQUENCE [ IF EXISTS ] sequenceName [ RESTART WITH long ] [ INCREMENT BY l
Changes the parameters of a sequence."
"Commands (DDL)","ALTER TABLE ADD","
ALTER TABLE [ IF EXISTS ] tableName ADD [ COLUMN ]
{ [ IF NOT EXISTS ] columnDefinition
[ { BEFORE | AFTER } columnName ]
| ( { columnDefinition } [,...] ) }
{ [ IF NOT EXISTS ] columnDefinition
| ( { columnDefinition } [,...] ) }
[ { BEFORE | AFTER } columnName ]
","
Adds a new column to a table."
"Commands (DDL)","ALTER TABLE ADD CONSTRAINT","
...
...
h2/src/test/org/h2/test/db/TestAlter.java
浏览文件 @
fe3c26a0
...
...
@@ -48,6 +48,8 @@ public class TestAlter extends TestBase {
testAlterTableAlterColumn2
();
testAlterTableAddColumnBefore
();
testAlterTableAddColumnAfter
();
testAlterTableAddMultipleColumnsBefore
();
testAlterTableAddMultipleColumnsAfter
();
testAlterTableModifyColumn
();
conn
.
close
();
deleteDb
(
getTestName
());
...
...
@@ -206,6 +208,38 @@ public class TestAlter extends TestBase {
stat
.
execute
(
"drop table t"
);
}
// column and field names must be upper-case due to getMetaData sensitivity
private
void
testAlterTableAddMultipleColumnsBefore
()
throws
SQLException
{
stat
.
execute
(
"create table T(X varchar)"
);
stat
.
execute
(
"alter table T add (Y int, Z int) before X"
);
DatabaseMetaData
dbMeta
=
conn
.
getMetaData
();
ResultSet
rs
=
dbMeta
.
getColumns
(
null
,
null
,
"T"
,
null
);
assertTrue
(
rs
.
next
());
assertEquals
(
"Y"
,
rs
.
getString
(
"COLUMN_NAME"
));
assertTrue
(
rs
.
next
());
assertEquals
(
"Z"
,
rs
.
getString
(
"COLUMN_NAME"
));
assertTrue
(
rs
.
next
());
assertEquals
(
"X"
,
rs
.
getString
(
"COLUMN_NAME"
));
assertFalse
(
rs
.
next
());
stat
.
execute
(
"drop table T"
);
}
// column and field names must be upper-case due to getMetaData sensitivity
private
void
testAlterTableAddMultipleColumnsAfter
()
throws
SQLException
{
stat
.
execute
(
"create table T(X varchar)"
);
stat
.
execute
(
"alter table T add (Y int, Z int) after X"
);
DatabaseMetaData
dbMeta
=
conn
.
getMetaData
();
ResultSet
rs
=
dbMeta
.
getColumns
(
null
,
null
,
"T"
,
null
);
assertTrue
(
rs
.
next
());
assertEquals
(
"X"
,
rs
.
getString
(
"COLUMN_NAME"
));
assertTrue
(
rs
.
next
());
assertEquals
(
"Y"
,
rs
.
getString
(
"COLUMN_NAME"
));
assertTrue
(
rs
.
next
());
assertEquals
(
"Z"
,
rs
.
getString
(
"COLUMN_NAME"
));
assertFalse
(
rs
.
next
());
stat
.
execute
(
"drop table T"
);
}
// column and field names must be upper-case due to getMetaData sensitivity
private
void
testAlterTableAddColumnBefore
()
throws
SQLException
{
stat
.
execute
(
"create table T(X varchar)"
);
...
...
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