org.jooq.impl.RegexpLike Maven / Gradle / Ivy
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
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* http://www.apache.org/licenses/LICENSE-2.0
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* distributed under the License is distributed on an "AS IS" BASIS,
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* 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.
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* For more information, please visit: http://www.jooq.org/licenses
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package org.jooq.impl;
import static org.jooq.Clause.CONDITION;
import static org.jooq.Clause.CONDITION_COMPARISON;
import static org.jooq.impl.Keywords.K_LIKE_REGEX;
import static org.jooq.impl.Keywords.K_REGEXP;
import org.jooq.Clause;
import org.jooq.Context;
import org.jooq.Field;
/**
* @author Lukas Eder
*/
final class RegexpLike extends AbstractCondition {
/**
* Generated UID
*/
private static final long serialVersionUID = 3162855665213654276L;
private static final Clause[] CLAUSES = { CONDITION, CONDITION_COMPARISON };
private final Field search;
private final Field pattern;
RegexpLike(Field search, Field pattern) {
this.search = search;
this.pattern = pattern;
}
@Override
public final void accept(Context ctx) {
switch (ctx.family()) {
// [#620] These databases are compatible with the MySQL syntax
case CUBRID:
case H2:
case MARIADB:
case MYSQL:
case SQLITE: {
ctx.visit(search)
.sql(' ')
.visit(K_REGEXP)
.sql(' ')
.visit(pattern);
break;
}
// [#620] HSQLDB has its own syntax
case HSQLDB: {
// [#1570] TODO: Replace this by SQL.condition(String, QueryPart...)
ctx.visit(DSL.condition("{regexp_matches}({0}, {1})", search, pattern));
break;
}
// [#620] Postgres has its own syntax
case POSTGRES: {
// [#1570] TODO: Replace this by SQL.condition(String, QueryPart...)
ctx.visit(DSL.condition("{0} ~ {1}", search, pattern));
break;
}
// Render the SQL standard for those databases that do not support
// regular expressions
case DERBY:
case FIREBIRD:
default: {
ctx.visit(search)
.sql(' ')
.visit(K_LIKE_REGEX)
.sql(' ')
.visit(pattern);
break;
}
}
}
@Override
public final Clause[] clauses(Context ctx) {
return CLAUSES;
}
}