querydsl/querydsl-sql/src/main/java/com/mysema/query/sql/HSQLDBTemplates.java
2013-03-11 18:24:06 +02:00

74 lines
2.5 KiB
Java

/*
* Copyright 2011, Mysema Ltd
*
* 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.
*/
package com.mysema.query.sql;
import com.mysema.query.types.Ops;
/**
* HSQLDBTemplates is an SQL dialect for HSQLDB
*
* @author tiwe
*
*/
public class HSQLDBTemplates extends SQLTemplates {
public static Builder builder() {
return new Builder() {
@Override
protected SQLTemplates build(char escape, boolean quote) {
return new HSQLDBTemplates(escape, quote);
}
};
}
public HSQLDBTemplates() {
this('\\', false);
}
public HSQLDBTemplates(boolean quote) {
this('\\', quote);
}
public HSQLDBTemplates(char escape, boolean quote) {
super("\"", escape, quote);
setAutoIncrement(" identity");
add(Ops.TRIM, "trim(both from {0})");
add(Ops.NEGATE, "{0} * -1", 7);
add(NEXTVAL, "next value for {0s}");
add(Ops.MathOps.ROUND, "round({0},0)");
add(Ops.MathOps.LN, "log({0})");
add(Ops.MathOps.LOG, "(log({0}) / log({1}))");
add(Ops.MathOps.COSH, "(exp({0}) + exp({0} * -1)) / 2");
add(Ops.MathOps.COTH, "(exp({0} * 2) + 1) / (exp({0} * 2) - 1)");
add(Ops.MathOps.SINH, "(exp({0}) - exp({0} * -1)) / 2");
add(Ops.MathOps.TANH, "(exp({0} * 2) - 1) / (exp({0} * 2) + 1)");
add(Ops.DateTimeOps.ADD_YEARS, "dateadd('yy', {1s}, {0})");
add(Ops.DateTimeOps.ADD_MONTHS, "dateadd('mm', {1s}, {0})");
add(Ops.DateTimeOps.ADD_WEEKS, "dateadd('week', {1s}, {0})");
add(Ops.DateTimeOps.ADD_DAYS, "dateadd('dd', {1s}, {0})");
add(Ops.DateTimeOps.ADD_HOURS, "dateadd('hh', {1s}, {0})");
add(Ops.DateTimeOps.ADD_MINUTES, "dateadd('mi', {1s}, {0})");
add(Ops.DateTimeOps.ADD_SECONDS, "dateadd('ss', {1s}, {0})");
}
@Override
public String getTypeForCast(Class<?> cl) {
return (cl.equals(String.class)) ? "varchar(10)" : getTypeForClass(cl);
}
}