com.mysema.query.sql.MySQLTemplates Maven / Gradle / Ivy
/*
* 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 java.math.BigDecimal;
import com.mysema.query.types.Ops;
/**
* MySQLTemplates is an SQL dialect for MySQL
*
* tested with MySQL CE 5.1 and 5.5
*
* @author tiwe
*
*/
public class MySQLTemplates extends SQLTemplates {
public static Builder builder() {
return new Builder() {
@Override
protected SQLTemplates build(char escape, boolean quote) {
return new MySQLTemplates(escape, quote);
}
};
}
public MySQLTemplates() {
this('\\', false);
}
public MySQLTemplates(boolean quote) {
this('\\', quote);
}
public MySQLTemplates(char escape, boolean quote) {
super("`", escape, quote);
setParameterMetadataAvailable(false);
setLimitRequired(true);
setNullsFirst(null);
setNullsLast(null);
addClass2TypeMappings("bool", Boolean.class);
addClass2TypeMappings("int", Integer.class);
addClass2TypeMappings("decimal",
Double.class,
Float.class,
BigDecimal.class);
addClass2TypeMappings("char", String.class);
add(Ops.CONCAT, "concat({0}, {1})",0);
add(Ops.StringOps.LPAD, "lpad({0},{1},' ')");
add(Ops.StringOps.RPAD, "rpad({0},{1},' ')");
// like without escape
if (escape == '\\') {
add(Ops.LIKE, "{0} like {1}");
add(Ops.ENDS_WITH, "{0} like {%1}");
add(Ops.ENDS_WITH_IC, "{0l} like {%%1}");
add(Ops.STARTS_WITH, "{0} like {1%}");
add(Ops.STARTS_WITH_IC, "{0l} like {1%%}");
add(Ops.STRING_CONTAINS, "{0} like {%1%}");
add(Ops.STRING_CONTAINS_IC, "{0l} like {%%1%%}");
}
add(Ops.MathOps.LOG, "log({1},{0})");
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.AggOps.BOOLEAN_ANY, "bit_or({0})", 0);
add(Ops.AggOps.BOOLEAN_ALL, "bit_and({0})", 0);
add(Ops.DateTimeOps.DAY_OF_WEEK, "dayofweek({0})");
add(Ops.DateTimeOps.DAY_OF_YEAR, "dayofyear({0})");
add(Ops.DateTimeOps.YEAR_MONTH, "extract(year_month from {0})");
add(Ops.DateTimeOps.YEAR_WEEK, "yearweek({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)");
add(Ops.DateTimeOps.DIFF_YEARS, "timestampdiff(year,{0},{1})");
add(Ops.DateTimeOps.DIFF_MONTHS, "timestampdiff(month,{0},{1})");
add(Ops.DateTimeOps.DIFF_WEEKS, "timestampdiff(week,{0},{1})");
add(Ops.DateTimeOps.DIFF_DAYS, "timestampdiff(day,{0},{1})");
add(Ops.DateTimeOps.DIFF_HOURS, "timestampdiff(hour,{0},{1})");
add(Ops.DateTimeOps.DIFF_MINUTES, "timestampdiff(minute,{0},{1})");
add(Ops.DateTimeOps.DIFF_SECONDS, "timestampdiff(second,{0},{1})");
}
}
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