org.jooq.impl.Identifiers Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.impl;
import java.util.EnumMap;
import org.jooq.SQLDialect;
/**
* An internal utility class for SQL identifiers.
*
* @author Lukas Eder
*/
class Identifiers {
/**
* The structure is:
*
*
* SQLDialect -> {
* { main start delimiter, alternative start delimiter, ... },
* { main end delimiter, alternative end delimiter, ... },
* { main escaped end delimiter, alternative escaped end delimiter, ... },
* ...
* }
*
*/
static final EnumMap QUOTES;
static final int QUOTE_START_DELIMITER = 0;
static final int QUOTE_END_DELIMITER = 1;
static final int QUOTE_END_DELIMITER_ESCAPED = 2;
static {
QUOTES = new EnumMap(SQLDialect.class);
for (SQLDialect family : SQLDialect.families()) {
switch (family) {
// MySQL supports backticks and double quotes
case MARIADB:
case MYSQL:
QUOTES.put(family, new String[][] {
{ "`" , "\""},
{ "`" , "\""},
{ "``", "\"\"" }
});
break;
/* [pro] xx
xx xxxxx xxxxxxxxx xxx xxxxxxxx
xxxx xxxxxxx
xxxx xxxx
xxxx xxxxxxxxxx
xxxx xxxxxxx
xxxxxxxxxxxxxxxxxx xxx xxxxxxxxxx x
x xxx xx
x xxx xx
x xxxx x
xxx
xxxxxx
xx [/pro] */
// Most dialects implement the SQL standard, using double quotes
/* [pro] xx
xxxx xxxx
xxxx xxxxxxxxx
xxxx xxxxxxx
xxxx xxxxxxx
xx [/pro] */
case CUBRID:
case DERBY:
case FIREBIRD:
case H2:
case HSQLDB:
case POSTGRES:
case SQLITE:
default:
QUOTES.put(family, new String[][] {
{ "\""},
{ "\""},
{ "\"\"" }
});
break;
}
}
}
}