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com.mysema.query.sql.CUBRIDTemplates Maven / Gradle / Ivy
/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* 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 java.sql.Types;
import com.mysema.query.QueryMetadata;
import com.mysema.query.QueryModifiers;
import com.mysema.query.sql.types.NumericBooleanType;
import com.mysema.query.types.Ops;
/**
* CUBRIDTemplates is a SQL dialect for CUBRID
*
* @author tiwe
*
*/
public class CUBRIDTemplates extends SQLTemplates {
@SuppressWarnings("FieldNameHidesFieldInSuperclass") //Intentional
public static final CUBRIDTemplates DEFAULT = new CUBRIDTemplates();
public static Builder builder() {
return new Builder() {
@Override
protected SQLTemplates build(char escape, boolean quote) {
return new CUBRIDTemplates(escape, quote);
}
};
}
private String limitTemplate = "\nlimit {0}";
private String offsetLimitTemplate = "\nlimit {0}, {1}";
public CUBRIDTemplates() {
this('\\', false);
}
public CUBRIDTemplates(boolean quote) {
this('\\',quote);
}
public CUBRIDTemplates(char escape, boolean quote) {
super("\"", escape, quote);
setDummyTable(null);
addCustomType(NumericBooleanType.DEFAULT);
setParameterMetadataAvailable(false);
setNullsFirst(null);
setNullsLast(null);
setDefaultValues("\ndefault values");
setArraysSupported(false);
add(Ops.DateTimeOps.DATE, "trunc({0})");
add(Ops.DateTimeOps.DAY_OF_YEAR, "dayofyear({0})");
add(Ops.DateTimeOps.DAY_OF_WEEK, "dayofweek({0})");
add(Ops.DateTimeOps.YEAR_WEEK, "(year({0}) * 100 + week({0}))");
add(Ops.DateTimeOps.ADD_YEARS, "date_add({0}, interval {1s} year)");
add(Ops.DateTimeOps.ADD_MONTHS, "date_add({0}, interval {1s} month)");
add(Ops.DateTimeOps.ADD_WEEKS, "date_add({0}, interval {1s} week)");
add(Ops.DateTimeOps.ADD_DAYS, "date_add({0}, interval {1s} day)");
add(Ops.DateTimeOps.ADD_HOURS, "date_add({0}, interval {1s} hour)");
add(Ops.DateTimeOps.ADD_MINUTES, "date_add({0}, interval {1s} minute)");
add(Ops.DateTimeOps.ADD_SECONDS, "date_add({0}, interval {1s} second)");
String diffSeconds = "(unix_timestamp({1}) - unix_timestamp({0}))";
add(Ops.DateTimeOps.DIFF_YEARS, "(year({1}) - year({0}))");
add(Ops.DateTimeOps.DIFF_MONTHS, "months_between({1}, {0})");
add(Ops.DateTimeOps.DIFF_WEEKS, "ceil(({1}-{0}) / 7)");
add(Ops.DateTimeOps.DIFF_DAYS, "({1}-{0})");
add(Ops.DateTimeOps.DIFF_HOURS, "ceil(" + diffSeconds + " / 3600)");
add(Ops.DateTimeOps.DIFF_MINUTES, "ceil(" + diffSeconds + " / 60)");
add(Ops.DateTimeOps.DIFF_SECONDS, diffSeconds);
add(Ops.DateTimeOps.TRUNC_YEAR, "trunc({0},'yyyy')");
add(Ops.DateTimeOps.TRUNC_MONTH, "trunc({0},'mm')");
add(Ops.DateTimeOps.TRUNC_WEEK, "trunc({0},'day')");
add(Ops.DateTimeOps.TRUNC_DAY, "trunc({0},'dd')");
// trunc works only with date arguments
// timestamp(datepart, timepart) reconstructs a datetime
add(Ops.DateTimeOps.TRUNC_HOUR, "timestamp(date({0}),concat(hour({0}),':00:00'))");
add(Ops.DateTimeOps.TRUNC_MINUTE, "timestamp(date({0}),concat(hour({0}),':',minute({0}),':00'))");
add(Ops.DateTimeOps.TRUNC_SECOND, "timestamp(date({0}),concat(hour({0}),':',minute({0}),':',second({0})))");
add(Ops.MathOps.LN, "ln({0})");
add(Ops.MathOps.LOG, "(ln({0}) / ln({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)");
addTypeNameToCode("numeric(1,0)", Types.BOOLEAN, true);
addTypeNameToCode("numeric(3,0)", Types.TINYINT, true);
addTypeNameToCode("numeric(38,0)", Types.BIGINT, true);
addTypeNameToCode("bit varying", Types.LONGVARBINARY);
addTypeNameToCode("bit varying", Types.VARBINARY);
addTypeNameToCode("bit", Types.BINARY, true);
addTypeNameToCode("varchar", Types.LONGVARCHAR, true);
addTypeNameToCode("double", Types.FLOAT, true);
addTypeNameToCode("float", Types.REAL, true);
}
@Override
public String serialize(String literal, int jdbcType) {
switch (jdbcType) {
case Types.DATE:
return "date'" + literal + "'";
case Types.TIME:
return "time'" + literal + "'";
case Types.TIMESTAMP:
return "timestamp'" + literal + "'";
default:
return super.serialize(literal, jdbcType);
}
}
@Override
protected void serializeModifiers(QueryMetadata metadata, SQLSerializer context) {
QueryModifiers mod = metadata.getModifiers();
if (mod.getLimit() != null) {
if (mod.getOffset() != null) {
context.handle(offsetLimitTemplate, mod.getOffset(), mod.getLimit());
} else {
context.handle(limitTemplate, mod.getLimit());
}
} else if (mod.getOffset() != null) {
context.handle(offsetLimitTemplate, mod.getOffset(), Integer.MAX_VALUE);
}
}
}
