org.jooq.impl.Term 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 org.jooq.SQLDialect;
/**
* The term dictionary enumerates standard expressions and their
* dialect-specific variants if applicable
*
* @author Lukas Eder
*/
enum Term {
ATAN2 {
@Override
public String translate(SQLDialect dialect) {
/* [pro] xx
xxxxxx xxxxxxxxxxxxxxxxxx x
xxxx xxxx
xxxx xxxxxxxxxx
xxxxxx xxxxxxx
x
xx [/pro] */
return "atan2";
}
},
BIT_LENGTH {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
/* [pro] xx
xxxx xxxx
xxxxxx xx x xxxxxxxxxxxx
xxxx xxxxxxx
xxxx xxxxxxxxxx
xxxxxx xx x xxxxx
xxxx xxxxxxx
xxxxxx xx x xxxxxxxxx
xxxx xxxx
xxxx xxxxxxx
xxxx xxxxxxx
xx [/pro] */
case DERBY:
case SQLITE:
return "8 * length";
}
return "bit_length";
}
},
CHAR_LENGTH {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
/* [pro] xx
xxxx xxxxxxx
xxxx xxxxxxxxxx
xxxxxx xxxxxx
xxxx xxxx
xxxx xxxxxxx
xxxx xxxxxxx
xxxx xxxxxxx
xx [/pro] */
case DERBY:
case SQLITE:
return "length";
}
return "char_length";
}
},
LIST_AGG {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
/* [pro] xx
xx xxx xxxxx xx xx xxxx xxxxxx xxxxxxx xxx xxxxxxxxxxxx xx
xx xxxxxxx xxx xxxx xxxxxxxx xxxxxxxx xxxxxx xxxxxx xx xx
xxxx xxxx
xxxxxx xxxxxxxxx
xxxx xxxxxxx
xxxxxx xxxxxxxxxx
xxxx xxxxxxx
xxxxxx xxxxxxx
xx [/pro] */
case CUBRID:
case H2:
case HSQLDB:
case MARIADB:
case MYSQL:
case SQLITE:
return "group_concat";
case POSTGRES:
return "string_agg";
}
return "listagg";
}
},
OCTET_LENGTH {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
/* [pro] xx
xxxx xxxxxxx
xxxx xxxxxxxxxx
xxxxxx xxxxxx
xxxx xxxxxxx
xxxxxx xxxxxxxxxx
xxxx xxxx
xxxx xxxxxxx
xxxx xxxxxxx
xx [/pro] */
case DERBY:
case SQLITE:
return "length";
}
return "octet_length";
}
},
ROW_NUMBER {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
case HSQLDB:
return "rownum";
}
return "row_number";
}
},
STDDEV_POP {
@Override
public String translate(SQLDialect dialect) {
/* [pro] xx
xxxxxx xxxxxxxxxxxxxxxxxx x
xxxx xxxx
xxxxxx xxxxxxxxx
xxxx xxxxxxxxx
xxxxxx xxxxxxxx
xxxx xxxxxxxxxx
xxxxxx xxxxxxxxx
x
xx [/pro] */
return "stddev_pop";
}
},
STDDEV_SAMP {
@Override
public String translate(SQLDialect dialect) {
/* [pro] xx
xxxxxx xxxxxxxxxxxxxxxxxx x
xxxx xxxx
xxxxxx xxxxxxxxx
xxxx xxxxxxxxx
xxxxxx xxxxxxxx
xxxx xxxxxxxxxx
xxxxxx xxxxxxxx
x
xx [/pro] */
return "stddev_samp";
}
},
VAR_POP {
@Override
public String translate(SQLDialect dialect) {
/* [pro] xx
xxxxxx xxxxxxxxxxxxxxxxxx x
xxxx xxxx
xxxx xxxxxxxxx
xxxxxx xxxxxxxxxxx
xxxx xxxxxxxxxx
xxxxxx xxxxxxx
x
xx [/pro] */
return "var_pop";
}
},
VAR_SAMP {
@Override
public String translate(SQLDialect dialect) {
/* [pro] xx
xxxxxx xxxxxxxxxxxxxxxxxx x
xxxx xxxx
xxxx xxxxxxxxx
xxxxxx xxxxxxxxxxx
xxxx xxxxxxxxxx
xxxxxx xxxxxx
x
xx [/pro] */
return "var_samp";
}
},
;
/**
* Translate the term to its dialect-specific variant
*/
abstract String translate(SQLDialect dialect);
}