h2-1.4.197.jar
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com.h2database:h2:1.4.197
META-INF
org
h2
jdbc
message
expression
engine
upgrade
Driver.java
security
fulltext
api
compress
index
table
SubQueryInfo.java
FunctionTable.java
TableView.java
ColumnResolver.java
PlanItem.java
Table.java
MetaTable.java
LinkSchema.java
RangeTable.java
IndexColumn.java
TableSynonym.java
SingleColumnResolver.java
TableBase.java
IndexHints.java
Column.java
TableLink.java
RegularTable.java
TableLinkConnection.java
Plan.java
JoinBatch.java
TableType.java
TableFilter.java
constraint
store
util
bnf
command
tools
server
mode
jdbcx
result
JdbcDriverBackwardsCompat.java
jmx
value
schema
mvstore
TableBase.java
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类结构
/* * Copyright 2004-2018 H2 Group. Multiple-Licensed under the MPL 2.0, * and the EPL 1.0 (http://h2database.com/html/license.html). * Initial Developer: H2 Group */ package org.h2.table; import java.util.
Collections
; import java.util.
List
; import org.h2.command.ddl.
CreateTableData
; import org.h2.engine.
Database
; import org.h2.engine.
DbSettings
; import org.h2.mvstore.db.
MVTableEngine
; import org.h2.util.
StatementBuilder
; import org.h2.util.
StringUtils
; /** * The base class of a regular table, or a user defined table. * * @author Thomas Mueller * @author Sergi Vladykin */ public abstract class
TableBase
extends
Table
{ /** * The table engine used (null for regular tables). */ private final
String
tableEngine
; /** Provided table parameters */ private final
List
<
String
>
tableEngineParams
; private final boolean
globalTemporary
; public
TableBase
(
CreateTableData
data
) { super(
data
.
schema
,
data
.
id
,
data
.
tableName
,
data
.
persistIndexes
,
data
.
persistData
); this.
tableEngine
=
data
.
tableEngine
; this.
globalTemporary
=
data
.
globalTemporary
; if (
data
.
tableEngineParams
!= null) { this.
tableEngineParams
=
data
.
tableEngineParams
; } else { this.
tableEngineParams
=
Collections
.
emptyList
(); }
setTemporary
(
data
.
temporary
);
Column
[]
cols
=
data
.
columns
.
toArray
(new
Column
[0]);
setColumns
(
cols
); } @
Override
public
String
getDropSQL
() { return "DROP TABLE IF EXISTS " +
getSQL
() + " CASCADE"; } @
Override
public
String
getCreateSQL
() {
Database
db
=
getDatabase
(); if (
db
== null) { // closed return null; }
StatementBuilder
buff
= new
StatementBuilder
("CREATE "); if (
isTemporary
()) { if (
isGlobalTemporary
()) {
buff
.
append
("GLOBAL "); } else {
buff
.
append
("LOCAL "); }
buff
.
append
("TEMPORARY "); } else if (
isPersistIndexes
()) {
buff
.
append
("CACHED "); } else {
buff
.
append
("MEMORY "); }
buff
.
append
("TABLE "); if (
isHidden
) {
buff
.
append
("IF NOT EXISTS "); }
buff
.
append
(
getSQL
()); if (
comment
!= null) {
buff
.
append
(" COMMENT ").
append
(
StringUtils
.
quoteStringSQL
(
comment
)); }
buff
.
append
("(\n "); for (
Column
column
:
columns
) {
buff
.
appendExceptFirst
(",\n ");
buff
.
append
(
column
.
getCreateSQL
()); }
buff
.
append
("\n)"); if (
tableEngine
!= null) {
DbSettings
s
=
db
.
getSettings
();
String
d
=
s
.
defaultTableEngine
; if (
d
== null &&
s
.
mvStore
) {
d
=
MVTableEngine
.class.
getName
(); } if (
d
== null || !
tableEngine
.
endsWith
(
d
)) {
buff
.
append
("\nENGINE ");
buff
.
append
(
StringUtils
.
quoteIdentifier
(
tableEngine
)); } } if (!
tableEngineParams
.
isEmpty
()) {
buff
.
append
("\nWITH ");
buff
.
resetCount
(); for (
String
parameter
:
tableEngineParams
) {
buff
.
appendExceptFirst
(", ");
buff
.
append
(
StringUtils
.
quoteIdentifier
(
parameter
)); } } if (!
isPersistIndexes
() && !
isPersistData
()) {
buff
.
append
("\nNOT PERSISTENT"); } if (
isHidden
) {
buff
.
append
("\nHIDDEN"); } return
buff
.
toString
(); } @
Override
public boolean
isGlobalTemporary
() { return
globalTemporary
; } }
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