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/*
* 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
*
* https://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: https://www.jooq.org/legal/licensing
*
*
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*/
package org.jooq;
import org.jetbrains.annotations.*;
// ...
// ...
// ...
// ...
// ...
// ...
import static org.jooq.SQLDialect.H2;
// ...
import static org.jooq.SQLDialect.HSQLDB;
import static org.jooq.SQLDialect.MARIADB;
// ...
import static org.jooq.SQLDialect.MYSQL;
// ...
import static org.jooq.SQLDialect.POSTGRES;
// ...
import static org.jooq.SQLDialect.SQLITE;
// ...
// ...
import java.time.temporal.ChronoField;
import org.jooq.impl.DSL;
/**
* A date part can be used with SQL functions such as extract(). It describes a
* part of a date / datetime value
*
* @author Lukas Eder
*/
public enum DatePart {
// ------------------------------------------------------------------------
// XXX: SQL standard date parts
// ------------------------------------------------------------------------
/**
* The year. Corresponds to {@link ChronoField#YEAR} semantics.
*/
@NotNull
@Support
YEAR("year"),
/**
* The month. Corresponds to {@link ChronoField#MONTH_OF_YEAR} semantics.
*/
@NotNull
@Support
MONTH("month"),
/**
* The day. Corresponds to {@link ChronoField#DAY_OF_MONTH} semantics.
*/
@NotNull
@Support
DAY("day"),
/**
* The hour. Corresponds to {@link ChronoField#HOUR_OF_DAY} semantics.
*/
@NotNull
@Support
HOUR("hour"),
/**
* The minute. Corresponds to {@link ChronoField#MINUTE_OF_HOUR} semantics.
*/
@NotNull
@Support
MINUTE("minute"),
/**
* The second. Corresponds to {@link ChronoField#SECOND_OF_MINUTE} semantics.
*/
@NotNull
@Support
SECOND("second"),
// ------------------------------------------------------------------------
// XXX: Vendor-specific date parts
// ------------------------------------------------------------------------
/**
* The millisecond.
*/
@NotNull
@Support({ H2, HSQLDB, POSTGRES })
MILLISECOND("millisecond"),
/**
* The microsecond.
*/
@NotNull
@Support({ H2, HSQLDB, MARIADB, MYSQL, POSTGRES })
MICROSECOND("microsecond"),
/**
* The nanosecond.
*/
@NotNull
@Support({ H2, HSQLDB })
NANOSECOND("nanosecond"),
/**
* The millennium. The year 2000 is in the 2nd millennium, the year 2001 in
* the 3rd.
*/
@NotNull
@Support
MILLENNIUM("millennium"),
/**
* The century. The year 2000 is in the 20th century, the year 2001 in the
* 21st.
*/
@NotNull
@Support
CENTURY("century"),
/**
* The decade. The year divided by 10.
*/
@NotNull
@Support
DECADE("decade"),
/**
* The epoch in seconds since 1970-01-01.
*/
@NotNull
@Support({ H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
EPOCH("epoch"),
/**
* The quarter. Jan-Mar = 1, Apr-Jun = 2, Jul-Sep = 3, Oct-Dec = 4.
*/
@NotNull
@Support
QUARTER("quarter"),
/**
* The week of the year.
*/
@NotNull
@Support({ H2, HSQLDB, MARIADB, MYSQL, POSTGRES })
WEEK("week"),
/**
* The day of the year. Corresponds to {@link ChronoField#DAY_OF_YEAR}.
*/
@NotNull
@Support({ H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
DAY_OF_YEAR("day_of_year"),
/**
* The day of the week. 1 = Sunday, 2 = Monday, ..., 7 = Saturday.
* Corresponds to {@link ChronoField#DAY_OF_WEEK}, shifted by one day.
*/
@NotNull
@Support({ H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
DAY_OF_WEEK("day_of_week"),
/**
* The ISO day of the week. 1 = Monday, 2 = Tuesday, ..., 7 = Sunday.
* Corresponds to {@link ChronoField#DAY_OF_WEEK}.
*/
@NotNull
@Support({ H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE })
ISO_DAY_OF_WEEK("iso_day_of_week"),
/**
* The timezone offset in seconds. Corresponds to
* {@link ChronoField#OFFSET_SECONDS}.
*/
@NotNull
@Support({ H2, HSQLDB, POSTGRES })
TIMEZONE("timezone"),
/**
* The time zone offset's hour part.
*/
@NotNull
@Support({ H2, HSQLDB, POSTGRES })
TIMEZONE_HOUR("timezone_hour"),
/**
* The time zone offset's minute part.
*/
@NotNull
@Support({ H2, HSQLDB, POSTGRES })
TIMEZONE_MINUTE("timezone_minute"),
;
private final String sql;
private final Keyword keyword;
private final Name name;
private DatePart(String sql) {
this.sql = sql;
this.keyword = DSL.keyword(sql);
this.name = DSL.unquotedName(sql);
}
public final String toSQL() {
return sql;
}
public final Keyword toKeyword() {
return keyword;
}
public final Name toName() {
return name;
}
}
