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Administrator
h2database
Commits
e8934d75
提交
e8934d75
authored
7 年前
作者:
Evgenij Ryazanov
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Use UNION in getTables() only if required
上级
77401651
master
version-1.4.198
无相关合并请求
隐藏空白字符变更
内嵌
并排
正在显示
1 个修改的文件
包含
48 行增加
和
40 行删除
+48
-40
JdbcDatabaseMetaData.java
h2/src/main/org/h2/jdbc/JdbcDatabaseMetaData.java
+48
-40
没有找到文件。
h2/src/main/org/h2/jdbc/JdbcDatabaseMetaData.java
浏览文件 @
e8934d75
...
...
@@ -144,8 +144,43 @@ public class JdbcDatabaseMetaData extends TraceObject implements
}
checkClosed
();
int
typesLength
=
types
!=
null
?
types
.
length
:
0
;
boolean
includeSynonyms
=
types
==
null
||
Arrays
.
asList
(
types
).
contains
(
"SYNONYM"
);
String
tableSelect
=
"SELECT "
// (1024 - 16) is enough for the most cases
StringBuilder
select
=
new
StringBuilder
(
1008
);
if
(
includeSynonyms
)
{
select
.
append
(
"SELECT "
+
"TABLE_CAT, "
+
"TABLE_SCHEM, "
+
"TABLE_NAME, "
+
"TABLE_TYPE, "
+
"REMARKS, "
+
"TYPE_CAT, "
+
"TYPE_SCHEM, "
+
"TYPE_NAME, "
+
"SELF_REFERENCING_COL_NAME, "
+
"REF_GENERATION, "
+
"SQL "
+
"FROM ("
+
"SELECT "
+
"SYNONYM_CATALOG TABLE_CAT, "
+
"SYNONYM_SCHEMA TABLE_SCHEM, "
+
"SYNONYM_NAME as TABLE_NAME, "
+
"TYPE_NAME AS TABLE_TYPE, "
+
"REMARKS, "
+
"TYPE_NAME TYPE_CAT, "
+
"TYPE_NAME TYPE_SCHEM, "
+
"TYPE_NAME AS TYPE_NAME, "
+
"TYPE_NAME SELF_REFERENCING_COL_NAME, "
+
"TYPE_NAME REF_GENERATION, "
+
"NULL AS SQL "
+
"FROM INFORMATION_SCHEMA.SYNONYMS "
+
"WHERE SYNONYM_CATALOG LIKE ?1 ESCAPE ?4 "
+
"AND SYNONYM_SCHEMA LIKE ?2 ESCAPE ?4 "
+
"AND SYNONYM_NAME LIKE ?3 ESCAPE ?4 "
+
"UNION "
);
}
select
.
append
(
"SELECT "
+
"TABLE_CATALOG TABLE_CAT, "
+
"TABLE_SCHEMA TABLE_SCHEM, "
+
"TABLE_NAME, "
...
...
@@ -160,49 +195,22 @@ public class JdbcDatabaseMetaData extends TraceObject implements
+
"FROM INFORMATION_SCHEMA.TABLES "
+
"WHERE TABLE_CATALOG LIKE ?1 ESCAPE ?4 "
+
"AND TABLE_SCHEMA LIKE ?2 ESCAPE ?4 "
+
"AND TABLE_NAME LIKE ?3 ESCAPE ?4"
;
+
"AND TABLE_NAME LIKE ?3 ESCAPE ?4"
)
;
if
(
typesLength
>
0
)
{
StatementBuilder
buff
=
new
StatementBuilder
(
tableSelect
)
.
append
(
" AND TABLE_TYPE IN("
);
select
.
append
(
" AND TABLE_TYPE IN("
);
for
(
int
i
=
0
;
i
<
typesLength
;
i
++)
{
buff
.
appendExceptFirst
(
", "
);
buff
.
append
(
'?'
).
append
(
i
+
5
);
if
(
i
>
0
)
{
select
.
append
(
", "
);
}
select
.
append
(
'?'
).
append
(
i
+
5
);
}
tableSelect
=
buff
.
append
(
')'
).
toString
(
);
select
.
append
(
')'
);
}
boolean
includeSynonyms
=
types
==
null
||
Arrays
.
asList
(
types
).
contains
(
"SYNONYM"
);
String
synonymSelect
=
"SELECT "
+
"SYNONYM_CATALOG TABLE_CAT, "
+
"SYNONYM_SCHEMA TABLE_SCHEM, "
+
"SYNONYM_NAME as TABLE_NAME, "
+
"TYPE_NAME AS TABLE_TYPE, "
+
"REMARKS, "
+
"TYPE_NAME TYPE_CAT, "
+
"TYPE_NAME TYPE_SCHEM, "
+
"TYPE_NAME AS TYPE_NAME, "
+
"TYPE_NAME SELF_REFERENCING_COL_NAME, "
+
"TYPE_NAME REF_GENERATION, "
+
"NULL AS SQL "
+
"FROM INFORMATION_SCHEMA.SYNONYMS "
+
"WHERE SYNONYM_CATALOG LIKE ?1 ESCAPE ?4 "
+
"AND SYNONYM_SCHEMA LIKE ?2 ESCAPE ?4 "
+
"AND SYNONYM_NAME LIKE ?3 ESCAPE ?4 "
+
"AND ("
+
includeSynonyms
+
") "
;
PreparedStatement
prep
=
conn
.
prepareAutoCloseStatement
(
"SELECT "
+
"TABLE_CAT, "
+
"TABLE_SCHEM, "
+
"TABLE_NAME, "
+
"TABLE_TYPE, "
+
"REMARKS, "
+
"TYPE_CAT, "
+
"TYPE_SCHEM, "
+
"TYPE_NAME, "
+
"SELF_REFERENCING_COL_NAME, "
+
"REF_GENERATION, "
+
"SQL "
+
"FROM ("
+
synonymSelect
+
" UNION "
+
tableSelect
+
") "
+
"ORDER BY TABLE_TYPE, TABLE_SCHEM, TABLE_NAME"
);
if
(
includeSynonyms
)
{
select
.
append
(
')'
);
}
PreparedStatement
prep
=
conn
.
prepareAutoCloseStatement
(
select
.
append
(
" ORDER BY TABLE_TYPE, TABLE_SCHEM, TABLE_NAME"
).
toString
());
prep
.
setString
(
1
,
getCatalogPattern
(
catalogPattern
));
prep
.
setString
(
2
,
getSchemaPattern
(
schemaPattern
));
prep
.
setString
(
3
,
getPattern
(
tableNamePattern
));
...
...
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