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hibernate-orm
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cast DateTimes to Instants and vice versa

This commit is contained in:
Gavin 2023-04-09 17:00:17 +02:00 committed by Gavin King
parent 77b96a6b4b
commit 34f05d183a
2 changed files with 31 additions and 0 deletions
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2
hibernate-core/src/main/java/org/hibernate/type/spi/TypeConfiguration.java
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@ -14,6 +14,7 @@ import java.math.BigInteger;
import java.sql.Time; import java.sql.Time;
import java.sql.Timestamp; import java.sql.Timestamp;
import java.time.Duration; import java.time.Duration;
import java.time.Instant;
import java.time.LocalDate; import java.time.LocalDate;
import java.time.LocalDateTime; import java.time.LocalDateTime;
import java.time.LocalTime; import java.time.LocalTime;
@ -340,6 +341,7 @@ public class TypeConfiguration implements SessionFactoryObserver, Serializable {
case "biginteger": return getBasicTypeForJavaType( BigInteger.class ); case "biginteger": return getBasicTypeForJavaType( BigInteger.class );
case "bigdecimal": return getBasicTypeForJavaType( BigDecimal.class ); case "bigdecimal": return getBasicTypeForJavaType( BigDecimal.class );
case "duration": return getBasicTypeForJavaType( Duration.class ); case "duration": return getBasicTypeForJavaType( Duration.class );
case "instant": return getBasicTypeForJavaType( Instant.class );
case "binary": return getBasicTypeForJavaType( byte[].class ); case "binary": return getBasicTypeForJavaType( byte[].class );
//this one is very fragile ... works well for BIT or BOOLEAN columns only //this one is very fragile ... works well for BIT or BOOLEAN columns only
//works OK, I suppose, for integer columns, but not at all for char columns //works OK, I suppose, for integer columns, but not at all for char columns

29
hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/FunctionTests.java
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@ -33,6 +33,7 @@ import org.junit.jupiter.api.Test;
import java.math.BigDecimal; import java.math.BigDecimal;
import java.math.BigInteger; import java.math.BigInteger;
import java.time.ZoneOffset;
import java.util.Date; import java.util.Date;
import java.sql.Time; import java.sql.Time;
import java.sql.Timestamp; import java.sql.Timestamp;
@ -864,6 +865,9 @@ public class FunctionTests {
assertThat( session.createQuery("select cast(time 12:13:14 as String)", String.class).getSingleResult(), anyOf( is("12:13:14"), is("12:13:14.0000"), is("12.13.14") ) ); assertThat( session.createQuery("select cast(time 12:13:14 as String)", String.class).getSingleResult(), anyOf( is("12:13:14"), is("12:13:14.0000"), is("12.13.14") ) );
assertThat( session.createQuery("select cast(datetime 1911-10-09 12:13:14 as String)", String.class).getSingleResult(), anyOf( startsWith("1911-10-09 12:13:14"), startsWith("1911-10-09-12.13.14") ) ); assertThat( session.createQuery("select cast(datetime 1911-10-09 12:13:14 as String)", String.class).getSingleResult(), anyOf( startsWith("1911-10-09 12:13:14"), startsWith("1911-10-09-12.13.14") ) );
assertThat( session.createQuery("select cast(local datetime as Instant)", Instant.class).getSingleResult(), instanceOf(Instant.class) );
assertThat( session.createQuery("select cast(offset datetime as Instant)", Instant.class).getSingleResult(), instanceOf(Instant.class) );
assertThat( session.createQuery("select cast(1 as NumericBoolean)", Boolean.class).getSingleResult(), is(true) ); assertThat( session.createQuery("select cast(1 as NumericBoolean)", Boolean.class).getSingleResult(), is(true) );
assertThat( session.createQuery("select cast(0 as NumericBoolean)", Boolean.class).getSingleResult(), is(false) ); assertThat( session.createQuery("select cast(0 as NumericBoolean)", Boolean.class).getSingleResult(), is(false) );
assertThat( session.createQuery("select cast(true as YesNo)", Boolean.class).getSingleResult(), is(true) ); assertThat( session.createQuery("select cast(true as YesNo)", Boolean.class).getSingleResult(), is(true) );
@ -1246,6 +1250,31 @@ public class FunctionTests {
); );
} }
@Test
public void testInstantCast(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
Instant instant = Instant.ofEpochSecond(123456789);
assertEquals( instant,
session.createQuery("select cast(?1 as Instant)", Instant.class)
.setParameter( 1, instant.atOffset(ZoneOffset.UTC) )
.getSingleResult() );
assertEquals( instant,
session.createQuery("select cast(?1 as Instant)", Instant.class)
.setParameter( 1, instant.atOffset(ZoneOffset.UTC).toLocalDateTime() )
.getSingleResult() );
assertEquals( instant.atOffset(ZoneOffset.UTC),
session.createQuery("select cast(?1 as OffsetDateTime)", OffsetDateTime.class)
.setParameter( 1, instant )
.getSingleResult() );
assertEquals( instant.atOffset(ZoneOffset.UTC).toLocalDateTime(),
session.createQuery("select cast(?1 as LocalDateTime)", LocalDateTime.class)
.setParameter( 1, instant )
.getSingleResult() );
}
);
}
@Test @Test
public void testDurationCast(SessionFactoryScope scope) { public void testDurationCast(SessionFactoryScope scope) {
scope.inTransaction( scope.inTransaction(