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HHH-18604 Add json_set function

This commit is contained in:
Christian Beikov 2024-09-16 16:36:19 +02:00
parent 7e11d7a809
commit 17f328609a
23 changed files with 465 additions and 0 deletions
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17
documentation/src/main/asciidoc/userguide/chapters/query/hql/QueryLanguage.adoc
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@ -1639,6 +1639,7 @@ it is necessary to enable the `hibernate.query.hql.json_functions_enabled` confi
| `json_query()` | Queries non-scalar values by JSON path in a JSON document
| `json_arrayagg()` | Creates a JSON array by aggregating values
| `json_objectagg()` | Creates a JSON object by aggregating values
| `json_set()` | Inserts/Replaces a value by JSON path within a JSON document
|===
@ -2013,6 +2014,22 @@ include::{json-example-dir-hql}/JsonObjectAggregateTest.java[tags=hql-json-objec
WARNING: Some databases like e.g. MySQL, SAP HANA, DB2 and SQL Server do not support raising an error on duplicate keys.
[[hql-json-set-function]]
===== `json_set()`
Inserts/Replaces a value by JSON path within a JSON document.
The function takes 3 arguments, the json document, the json path and the new value to set/insert.
[[hql-json-set-example]]
====
[source, java, indent=0]
----
include::{json-example-dir-hql}/JsonSetTest.java[tags=hql-json-set-example]
----
====
WARNING: SAP HANA, DB2, H2 and HSQLDB do not support this function.
[[hql-user-defined-functions]]
==== Native and user-defined functions

1
hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CockroachLegacyDialect.java
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@ -508,6 +508,7 @@ public class CockroachLegacyDialect extends Dialect {
functionFactory.jsonArray_postgresql();
functionFactory.jsonArrayAgg_postgresql( false );
functionFactory.jsonObjectAgg_postgresql( false );
functionFactory.jsonSet_postgresql();
// Postgres uses # instead of ^ for XOR
functionContributions.getFunctionRegistry().patternDescriptorBuilder( "bitxor", "(?1#?2)" )

1
hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/MySQLLegacyDialect.java
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@ -660,6 +660,7 @@ public class MySQLLegacyDialect extends Dialect {
functionFactory.jsonArray_mysql();
functionFactory.jsonArrayAgg_mysql();
functionFactory.jsonObjectAgg_mysql();
functionFactory.jsonSet_mysql();
}
}

1
hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/OracleLegacyDialect.java
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@ -316,6 +316,7 @@ public class OracleLegacyDialect extends Dialect {
functionFactory.jsonObject_oracle();
functionFactory.jsonArray_oracle();
functionFactory.jsonArrayAgg_oracle();
functionFactory.jsonSet_oracle();
}
}

1
hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/PostgreSQLLegacyDialect.java
View File

@ -658,6 +658,7 @@ public class PostgreSQLLegacyDialect extends Dialect {
functionFactory.jsonObjectAgg_postgresql( false );
}
}
functionFactory.jsonSet_postgresql();
if ( getVersion().isSameOrAfter( 9, 4 ) ) {
functionFactory.makeDateTimeTimestamp();

1
hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/SQLServerLegacyDialect.java
View File

@ -406,6 +406,7 @@ public class SQLServerLegacyDialect extends AbstractTransactSQLDialect {
functionFactory.jsonExists_sqlserver();
functionFactory.jsonObject_sqlserver();
functionFactory.jsonArray_sqlserver();
functionFactory.jsonSet_sqlserver();
}
if ( getVersion().isSameOrAfter( 14 ) ) {
functionFactory.listagg_stringAggWithinGroup( "varchar(max)" );

1
hibernate-core/src/main/java/org/hibernate/dialect/CockroachDialect.java
View File

@ -475,6 +475,7 @@ public class CockroachDialect extends Dialect {
functionFactory.jsonArray_postgresql();
functionFactory.jsonArrayAgg_postgresql( false );
functionFactory.jsonObjectAgg_postgresql( false );
functionFactory.jsonSet_postgresql();
// Postgres uses # instead of ^ for XOR
functionContributions.getFunctionRegistry().patternDescriptorBuilder( "bitxor", "(?1#?2)" )

1
hibernate-core/src/main/java/org/hibernate/dialect/MySQLDialect.java
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@ -645,6 +645,7 @@ public class MySQLDialect extends Dialect {
functionFactory.jsonArray_mysql();
functionFactory.jsonArrayAgg_mysql();
functionFactory.jsonObjectAgg_mysql();
functionFactory.jsonSet_mysql();
}
@Override

1
hibernate-core/src/main/java/org/hibernate/dialect/OracleDialect.java
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@ -407,6 +407,7 @@ public class OracleDialect extends Dialect {
functionFactory.jsonObject_oracle();
functionFactory.jsonArray_oracle();
functionFactory.jsonArrayAgg_oracle();
functionFactory.jsonSet_oracle();
}
@Override

1
hibernate-core/src/main/java/org/hibernate/dialect/PostgreSQLDialect.java
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@ -619,6 +619,7 @@ public class PostgreSQLDialect extends Dialect {
functionFactory.jsonObjectAgg_postgresql( false );
}
}
functionFactory.jsonSet_postgresql();
functionFactory.makeDateTimeTimestamp();
// Note that PostgreSQL doesn't support the OVER clause for ordered set-aggregate functions

1
hibernate-core/src/main/java/org/hibernate/dialect/SQLServerDialect.java
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@ -424,6 +424,7 @@ public class SQLServerDialect extends AbstractTransactSQLDialect {
functionFactory.jsonExists_sqlserver();
functionFactory.jsonObject_sqlserver();
functionFactory.jsonArray_sqlserver();
functionFactory.jsonSet_sqlserver();
}
if ( getVersion().isSameOrAfter( 14 ) ) {
functionFactory.listagg_stringAggWithinGroup( "varchar(max)" );

43
hibernate-core/src/main/java/org/hibernate/dialect/function/CommonFunctionFactory.java
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@ -118,12 +118,14 @@ import org.hibernate.dialect.function.json.MySQLJsonValueFunction;
import org.hibernate.dialect.function.json.OracleJsonArrayAggFunction;
import org.hibernate.dialect.function.json.OracleJsonArrayFunction;
import org.hibernate.dialect.function.json.OracleJsonObjectFunction;
import org.hibernate.dialect.function.json.OracleJsonSetFunction;
import org.hibernate.dialect.function.json.PostgreSQLJsonArrayAggFunction;
import org.hibernate.dialect.function.json.PostgreSQLJsonArrayFunction;
import org.hibernate.dialect.function.json.PostgreSQLJsonExistsFunction;
import org.hibernate.dialect.function.json.PostgreSQLJsonObjectAggFunction;
import org.hibernate.dialect.function.json.PostgreSQLJsonObjectFunction;
import org.hibernate.dialect.function.json.PostgreSQLJsonQueryFunction;
import org.hibernate.dialect.function.json.PostgreSQLJsonSetFunction;
import org.hibernate.dialect.function.json.PostgreSQLJsonValueFunction;
import org.hibernate.dialect.function.json.SQLServerJsonArrayAggFunction;
import org.hibernate.dialect.function.json.SQLServerJsonArrayFunction;
@ -131,15 +133,18 @@ import org.hibernate.dialect.function.json.SQLServerJsonExistsFunction;
import org.hibernate.dialect.function.json.SQLServerJsonObjectAggFunction;
import org.hibernate.dialect.function.json.SQLServerJsonObjectFunction;
import org.hibernate.dialect.function.json.SQLServerJsonQueryFunction;
import org.hibernate.dialect.function.json.SQLServerJsonSetFunction;
import org.hibernate.dialect.function.json.SQLServerJsonValueFunction;
import org.hibernate.query.sqm.function.SqmFunctionRegistry;
import org.hibernate.query.sqm.produce.function.ArgumentTypesValidator;
import org.hibernate.query.sqm.produce.function.FunctionParameterType;
import org.hibernate.query.sqm.produce.function.StandardArgumentsValidators;
import org.hibernate.query.sqm.produce.function.StandardFunctionArgumentTypeResolvers;
import org.hibernate.query.sqm.produce.function.StandardFunctionReturnTypeResolvers;
import org.hibernate.sql.ast.SqlAstNodeRenderingMode;
import org.hibernate.type.BasicType;
import org.hibernate.type.BasicTypeRegistry;
import org.hibernate.type.SqlTypes;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.spi.TypeConfiguration;
@ -3796,4 +3801,42 @@ public class CommonFunctionFactory {
public void jsonObjectAgg_db2() {
functionRegistry.register( "json_objectagg", new DB2JsonObjectAggFunction( typeConfiguration ) );
}
/**
* PostgreSQL json_set() function
*/
public void jsonSet_postgresql() {
functionRegistry.register( "json_set", new PostgreSQLJsonSetFunction( typeConfiguration ) );
}
/**
* MySQL json_set() function
*/
public void jsonSet_mysql() {
functionRegistry.namedDescriptorBuilder( "json_set" )
.setArgumentsValidator( new ArgumentTypesValidator(
StandardArgumentsValidators.exactly( 3 ),
FunctionParameterType.IMPLICIT_JSON,
FunctionParameterType.STRING,
FunctionParameterType.ANY
) )
.setReturnTypeResolver( StandardFunctionReturnTypeResolvers.invariant(
typeConfiguration.getBasicTypeRegistry().resolve( String.class, SqlTypes.JSON )
) )
.register();
}
/**
* Oracle json_set() function
*/
public void jsonSet_oracle() {
functionRegistry.register( "json_set", new OracleJsonSetFunction( typeConfiguration ) );
}
/**
* SQL Server json_set() function
*/
public void jsonSet_sqlserver() {
functionRegistry.register( "json_set", new SQLServerJsonSetFunction( typeConfiguration ) );
}
}

40
hibernate-core/src/main/java/org/hibernate/dialect/function/json/AbstractJsonSetFunction.java Normal file
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@ -0,0 +1,40 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.dialect.function.json;
import org.hibernate.query.sqm.function.AbstractSqmSelfRenderingFunctionDescriptor;
import org.hibernate.query.sqm.function.FunctionKind;
import org.hibernate.query.sqm.produce.function.ArgumentTypesValidator;
import org.hibernate.query.sqm.produce.function.FunctionParameterType;
import org.hibernate.query.sqm.produce.function.StandardArgumentsValidators;
import org.hibernate.query.sqm.produce.function.StandardFunctionReturnTypeResolvers;
import org.hibernate.type.SqlTypes;
import org.hibernate.type.spi.TypeConfiguration;
/**
* Standard json_set function.
*/
public abstract class AbstractJsonSetFunction extends AbstractSqmSelfRenderingFunctionDescriptor {
public AbstractJsonSetFunction(TypeConfiguration typeConfiguration) {
super(
"json_set",
FunctionKind.NORMAL,
new ArgumentTypesValidator(
StandardArgumentsValidators.exactly( 3 ),
FunctionParameterType.IMPLICIT_JSON,
FunctionParameterType.STRING,
FunctionParameterType.ANY
),
StandardFunctionReturnTypeResolvers.invariant(
typeConfiguration.getBasicTypeRegistry().resolve( String.class, SqlTypes.JSON )
),
null
);
}
}

44
hibernate-core/src/main/java/org/hibernate/dialect/function/json/OracleJsonSetFunction.java Normal file
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@ -0,0 +1,44 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.dialect.function.json;
import java.util.List;
import org.hibernate.query.ReturnableType;
import org.hibernate.sql.ast.SqlAstTranslator;
import org.hibernate.sql.ast.spi.SqlAppender;
import org.hibernate.sql.ast.tree.SqlAstNode;
import org.hibernate.sql.ast.tree.expression.Expression;
import org.hibernate.type.spi.TypeConfiguration;
/**
* Oracle json_set function.
*/
public class OracleJsonSetFunction extends AbstractJsonSetFunction {
public OracleJsonSetFunction(TypeConfiguration typeConfiguration) {
super( typeConfiguration );
}
@Override
public void render(
SqlAppender sqlAppender,
List<? extends SqlAstNode> arguments,
ReturnableType<?> returnType,
SqlAstTranslator<?> translator) {
final Expression json = (Expression) arguments.get( 0 );
final Expression jsonPath = (Expression) arguments.get( 1 );
final SqlAstNode value = arguments.get( 2 );
sqlAppender.appendSql( "json_transform(" );
json.accept( translator );
sqlAppender.appendSql( ",set " );
jsonPath.accept( translator );
sqlAppender.appendSql( '=' );
value.accept( translator );
sqlAppender.appendSql( ')' );
}
}

90
hibernate-core/src/main/java/org/hibernate/dialect/function/json/PostgreSQLJsonSetFunction.java Normal file
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@ -0,0 +1,90 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.dialect.function.json;
import java.util.List;
import org.hibernate.QueryException;
import org.hibernate.metamodel.mapping.JdbcMappingContainer;
import org.hibernate.query.ReturnableType;
import org.hibernate.sql.ast.SqlAstTranslator;
import org.hibernate.sql.ast.spi.SqlAppender;
import org.hibernate.sql.ast.tree.SqlAstNode;
import org.hibernate.sql.ast.tree.expression.Expression;
import org.hibernate.sql.ast.tree.expression.JdbcParameter;
import org.hibernate.sql.ast.tree.expression.Literal;
import org.hibernate.type.spi.TypeConfiguration;
/**
* PostgreSQL json_set function.
*/
public class PostgreSQLJsonSetFunction extends AbstractJsonSetFunction {
public PostgreSQLJsonSetFunction(TypeConfiguration typeConfiguration) {
super( typeConfiguration );
}
@Override
public void render(
SqlAppender sqlAppender,
List<? extends SqlAstNode> arguments,
ReturnableType<?> returnType,
SqlAstTranslator<?> translator) {
final Expression json = (Expression) arguments.get( 0 );
final Expression jsonPath = (Expression) arguments.get( 1 );
final SqlAstNode value = arguments.get( 2 );
sqlAppender.appendSql( "jsonb_set(" );
final boolean needsCast = !isJsonType( json ) && json instanceof JdbcParameter;
if ( needsCast ) {
sqlAppender.appendSql( "cast(" );
}
json.accept( translator );
if ( needsCast ) {
sqlAppender.appendSql( " as jsonb)" );
}
sqlAppender.appendSql( ',' );
List<JsonPathHelper.JsonPathElement> jsonPathElements =
JsonPathHelper.parseJsonPathElements( translator.getLiteralValue( jsonPath ) );
sqlAppender.appendSql( "array" );
char separator = '[';
for ( JsonPathHelper.JsonPathElement pathElement : jsonPathElements ) {
sqlAppender.appendSql( separator );
if ( pathElement instanceof JsonPathHelper.JsonAttribute attribute ) {
sqlAppender.appendSingleQuoteEscapedString( attribute.attribute() );
}
else if ( pathElement instanceof JsonPathHelper.JsonParameterIndexAccess ) {
final String parameterName = ( (JsonPathHelper.JsonParameterIndexAccess) pathElement ).parameterName();
throw new QueryException( "JSON path [" + jsonPath + "] uses parameter [" + parameterName + "] that is not passed" );
}
else {
sqlAppender.appendSql( '\'' );
sqlAppender.appendSql( ( (JsonPathHelper.JsonIndexAccess) pathElement ).index() );
sqlAppender.appendSql( '\'' );
}
separator = ',';
}
sqlAppender.appendSql( "]::text[]," );
if ( value instanceof Literal && ( (Literal) value ).getLiteralValue() == null ) {
sqlAppender.appendSql( "null::jsonb" );
}
else {
sqlAppender.appendSql( "to_jsonb(" );
value.accept( translator );
if ( value instanceof Literal literal && literal.getJdbcMapping().getJdbcType().isString() ) {
// PostgreSQL until version 16 is not smart enough to infer the type of a string literal
sqlAppender.appendSql( "::text" );
}
sqlAppender.appendSql( ')' );
}
sqlAppender.appendSql( ",true)" );
}
private boolean isJsonType(Expression expression) {
final JdbcMappingContainer expressionType = expression.getExpressionType();
return expressionType != null && expressionType.getSingleJdbcMapping().getJdbcType().isJson();
}
}

44
hibernate-core/src/main/java/org/hibernate/dialect/function/json/SQLServerJsonSetFunction.java Normal file
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@ -0,0 +1,44 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.dialect.function.json;
import java.util.List;
import org.hibernate.query.ReturnableType;
import org.hibernate.sql.ast.SqlAstTranslator;
import org.hibernate.sql.ast.spi.SqlAppender;
import org.hibernate.sql.ast.tree.SqlAstNode;
import org.hibernate.sql.ast.tree.expression.Expression;
import org.hibernate.type.spi.TypeConfiguration;
/**
* SQL Server json_set function.
*/
public class SQLServerJsonSetFunction extends AbstractJsonSetFunction {
public SQLServerJsonSetFunction(TypeConfiguration typeConfiguration) {
super( typeConfiguration );
}
@Override
public void render(
SqlAppender sqlAppender,
List<? extends SqlAstNode> arguments,
ReturnableType<?> returnType,
SqlAstTranslator<?> translator) {
final Expression json = (Expression) arguments.get( 0 );
final Expression jsonPath = (Expression) arguments.get( 1 );
final SqlAstNode value = arguments.get( 2 );
sqlAppender.appendSql( "json_modify(" );
json.accept( translator );
sqlAppender.appendSql( ',' );
jsonPath.accept( translator );
sqlAppender.appendSql( ',' );
value.accept( translator );
sqlAppender.appendSql( ')' );
}
}

32
hibernate-core/src/main/java/org/hibernate/query/criteria/HibernateCriteriaBuilder.java
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@ -3911,6 +3911,38 @@ public interface HibernateCriteriaBuilder extends CriteriaBuilder {
@Incubating
JpaExpression<String> jsonObjectAggWithUniqueKeysAndNulls(Expression<?> key, Expression<?> value, Predicate filter);
/**
* Inserts/Replaces a value by JSON path within a JSON document.
*
* @since 7.0
*/
@Incubating
JpaExpression<String> jsonSet(Expression<?> jsonDocument, String jsonPath, Expression<?> value);
/**
* Inserts/Replaces a value by JSON path within a JSON document.
*
* @since 7.0
*/
@Incubating
JpaExpression<String> jsonSet(Expression<?> jsonDocument, Expression<String> jsonPath, Expression<?> value);
/**
* Inserts/Replaces a value by JSON path within a JSON document.
*
* @since 7.0
*/
@Incubating
JpaExpression<String> jsonSet(Expression<?> jsonDocument, String jsonPath, Object value);
/**
* Inserts/Replaces a value by JSON path within a JSON document.
*
* @since 7.0
*/
@Incubating
JpaExpression<String> jsonSet(Expression<?> jsonDocument, Expression<String> jsonPath, Object value);
@Override
JpaPredicate and(List<Predicate> restrictions);

24
hibernate-core/src/main/java/org/hibernate/query/criteria/spi/HibernateCriteriaBuilderDelegate.java
View File

@ -3523,4 +3523,28 @@ public class HibernateCriteriaBuilderDelegate implements HibernateCriteriaBuilde
Predicate filter) {
return criteriaBuilder.jsonObjectAggWithUniqueKeysAndNulls( key, value, filter );
}
@Override
@Incubating
public JpaExpression<String> jsonSet(Expression<?> jsonDocument, String jsonPath, Expression<?> value) {
return criteriaBuilder.jsonSet( jsonDocument, jsonPath, value );
}
@Override
@Incubating
public JpaExpression<String> jsonSet(Expression<?> jsonDocument, Expression<String> jsonPath, Expression<?> value) {
return criteriaBuilder.jsonSet( jsonDocument, jsonPath, value );
}
@Override
@Incubating
public JpaExpression<String> jsonSet(Expression<?> jsonDocument, String jsonPath, Object value) {
return criteriaBuilder.jsonSet( jsonDocument, jsonPath, value );
}
@Override
@Incubating
public JpaExpression<String> jsonSet(Expression<?> jsonDocument, Expression<String> jsonPath, Object value) {
return criteriaBuilder.jsonSet( jsonDocument, jsonPath, value );
}
}

12
hibernate-core/src/main/java/org/hibernate/query/sqm/NodeBuilder.java
View File

@ -703,6 +703,18 @@ public interface NodeBuilder extends HibernateCriteriaBuilder, BindingContext {
@Override
SqmExpression<String> jsonObjectAgg(Expression<?> key, Expression<?> value, Predicate filter);
@Override
SqmExpression<String> jsonSet(Expression<?> jsonDocument, Expression<String> jsonPath, Object value);
@Override
SqmExpression<String> jsonSet(Expression<?> jsonDocument, String jsonPath, Object value);
@Override
SqmExpression<String> jsonSet(Expression<?> jsonDocument, Expression<String> jsonPath, Expression<?> value);
@Override
SqmExpression<String> jsonSet(Expression<?> jsonDocument, String jsonPath, Expression<?> value);
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Covariant overrides

25
hibernate-core/src/main/java/org/hibernate/query/sqm/internal/SqmCriteriaNodeBuilder.java
View File

@ -5555,4 +5555,29 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, Serializable {
}
return list;
}
@Override
public SqmExpression<String> jsonSet(Expression<?> jsonDocument, Expression<String> jsonPath, Object value) {
return jsonSet( jsonDocument, jsonPath, value( value ) );
}
@Override
public SqmExpression<String> jsonSet(Expression<?> jsonDocument, String jsonPath, Object value) {
return jsonSet( jsonDocument, value( jsonPath ), value( value ) );
}
@Override
public SqmExpression<String> jsonSet(Expression<?> jsonDocument, String jsonPath, Expression<?> value) {
return jsonSet( jsonDocument, value( jsonPath ), value );
}
@Override
public SqmExpression<String> jsonSet(Expression<?> jsonDocument, Expression<String> jsonPath, Expression<?> value) {
//noinspection unchecked
return getFunctionDescriptor( "json_set" ).generateSqmExpression(
(List<? extends SqmTypedNode<?>>) (List<?>) asList( jsonDocument, jsonPath, value ),
null,
queryEngine
);
}
}

46
hibernate-core/src/test/java/org/hibernate/orm/test/function/json/JsonSetTest.java Normal file
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@ -0,0 +1,46 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.orm.test.function.json;
import org.hibernate.cfg.QuerySettings;
import org.hibernate.dialect.CockroachDialect;
import org.hibernate.dialect.DB2Dialect;
import org.hibernate.dialect.HANADialect;
import org.hibernate.dialect.MySQLDialect;
import org.hibernate.dialect.PostgreSQLDialect;
import org.hibernate.dialect.SQLServerDialect;
import org.hibernate.testing.orm.domain.StandardDomainModel;
import org.hibernate.testing.orm.junit.DialectFeatureChecks;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.RequiresDialectFeature;
import org.hibernate.testing.orm.junit.ServiceRegistry;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.hibernate.testing.orm.junit.Setting;
import org.hibernate.testing.orm.junit.SkipForDialect;
import org.junit.jupiter.api.Test;
/**
* @author Christian Beikov
*/
@DomainModel(standardModels = StandardDomainModel.GAMBIT)
@SessionFactory
@ServiceRegistry(settings = @Setting(name = QuerySettings.JSON_FUNCTIONS_ENABLED, value = "true"))
@RequiresDialectFeature( feature = DialectFeatureChecks.SupportsJsonSet.class)
public class JsonSetTest {
@Test
public void testSimple(SessionFactoryScope scope) {
scope.inSession( em -> {
//tag::hql-json-set-example[]
em.createQuery( "select json_set('{\"a\":1}', '$.a', 2)" ).getResultList();
//end::hql-json-set-example[]
} );
}
}

32
hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/JsonFunctionTests.java
View File

@ -466,6 +466,38 @@ public class JsonFunctionTests {
);
}
@Test
@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsJsonSet.class)
public void testJsonSet(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
String json = session.createQuery(
"select json_set('{}', '$.a', 123)",
String.class
).getSingleResult();
Map<String, Object> object = parseObject( json );
assertEquals( 1, object.size() );
assertEquals( 123, object.get( "a" ) );
}
);
}
@Test
@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsJsonSet.class)
public void testJsonSetReplace(SessionFactoryScope scope) {
scope.inTransaction(
session -> {
String json = session.createQuery(
"select json_set('{\"a\":456}', '$.a', 123)",
String.class
).getSingleResult();
Map<String, Object> object = parseObject( json );
assertEquals( 1, object.size() );
assertEquals( 123, object.get( "a" ) );
}
);
}
private static final ObjectMapper MAPPER = new ObjectMapper();
private static Map<String, Object> parseObject(String json) {

6
hibernate-testing/src/main/java/org/hibernate/testing/orm/junit/DialectFeatureChecks.java
View File

@ -793,6 +793,12 @@ abstract public class DialectFeatureChecks {
}
}
public static class SupportsJsonSet implements DialectFeatureCheck {
public boolean apply(Dialect dialect) {
return definesFunction( dialect, "json_set" );
}
}
public static class IsJtds implements DialectFeatureCheck {
public boolean apply(Dialect dialect) {
return dialect instanceof SybaseDialect && ( (SybaseDialect) dialect ).getDriverKind() == SybaseDriverKind.JTDS;