org.jooq.impl.Term Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* 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.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
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*/
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 {
ARRAY_AGG {
@Override
public String translate(SQLDialect dialect) {
return "array_agg";
}
},
ATAN2 {
@Override
public String translate(SQLDialect dialect) {
return "atan2";
}
},
BIT_LENGTH {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
case DERBY:
case SQLITE:
return "8 * length";
}
return "bit_length";
}
},
CHAR_LENGTH {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
case DERBY:
case SQLITE:
return "length";
}
return "char_length";
}
},
LIST_AGG {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
case CUBRID:
case H2:
case HSQLDB:
case MARIADB:
case MYSQL:
case SQLITE:
return "group_concat";
case POSTGRES:
return "string_agg";
}
return "listagg";
}
},
MEDIAN {
@Override
public String translate(SQLDialect dialect) {
return "median";
}
},
OCTET_LENGTH {
@Override
public String translate(SQLDialect dialect) {
switch (dialect.family()) {
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) {
return "stddev_pop";
}
},
STDDEV_SAMP {
@Override
public String translate(SQLDialect dialect) {
return "stddev_samp";
}
},
VAR_POP {
@Override
public String translate(SQLDialect dialect) {
return "var_pop";
}
},
VAR_SAMP {
@Override
public String translate(SQLDialect dialect) {
return "var_samp";
}
},
;
/**
* Translate the term to its dialect-specific variant
*/
abstract String translate(SQLDialect dialect);
}