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Support for table names in SpEL expressions.
SpEL expressions in queries get processed in two steps: 1. First SpEL expressions outside parameters are detected and processed. This is done with a `StandardEvaluationContext` with the variables `tableName` and `qualifiedTableName` added. This step is introduced by this commit. 2. Parameters made up by SpEL expressions are processed as usual. Closes #1856 Original pull request #1863
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.../test/java/org/springframework/data/jdbc/repository/DeclaredQueryRepositoryUnitTests.java
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| /* | ||
| * Copyright 2024 the original author or authors. | ||
| * | ||
| * 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. | ||
| */ | ||
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| package org.springframework.data.jdbc.repository; | ||
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| import static org.assertj.core.api.Assertions.*; | ||
| import static org.mockito.Mockito.*; | ||
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| import org.jetbrains.annotations.NotNull; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.mockito.ArgumentCaptor; | ||
| import org.springframework.context.ApplicationEventPublisher; | ||
| import org.springframework.data.annotation.Id; | ||
| import org.springframework.data.jdbc.core.convert.DataAccessStrategy; | ||
| import org.springframework.data.jdbc.core.convert.DefaultJdbcTypeFactory; | ||
| import org.springframework.data.jdbc.core.convert.DelegatingDataAccessStrategy; | ||
| import org.springframework.data.jdbc.core.convert.JdbcConverter; | ||
| import org.springframework.data.jdbc.core.convert.JdbcCustomConversions; | ||
| import org.springframework.data.jdbc.core.convert.MappingJdbcConverter; | ||
| import org.springframework.data.jdbc.core.mapping.JdbcMappingContext; | ||
| import org.springframework.data.jdbc.repository.query.Query; | ||
| import org.springframework.data.jdbc.repository.support.JdbcRepositoryFactory; | ||
| import org.springframework.data.relational.core.dialect.Dialect; | ||
| import org.springframework.data.relational.core.dialect.HsqlDbDialect; | ||
| import org.springframework.data.relational.core.mapping.RelationalMappingContext; | ||
| import org.springframework.data.relational.core.mapping.Table; | ||
| import org.springframework.data.repository.CrudRepository; | ||
| import org.springframework.jdbc.core.RowMapper; | ||
| import org.springframework.jdbc.core.namedparam.NamedParameterJdbcOperations; | ||
| import org.springframework.jdbc.core.namedparam.SqlParameterSource; | ||
| import org.springframework.lang.Nullable; | ||
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| /** | ||
| * Extracts the SQL statement that results from declared queries of a repository and perform assertions on it. | ||
| * | ||
| * @author Jens Schauder | ||
| */ | ||
| public class DeclaredQueryRepositoryUnitTests { | ||
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| private NamedParameterJdbcOperations operations = mock(NamedParameterJdbcOperations.class, RETURNS_DEEP_STUBS); | ||
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| @Test // GH-1856 | ||
| void plainSql() { | ||
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| repository(DummyEntityRepository.class).plainQuery(); | ||
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| assertThat(query()).isEqualTo("select * from someTable"); | ||
| } | ||
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| @Test // GH-1856 | ||
| void tableNameQuery() { | ||
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| repository(DummyEntityRepository.class).tableNameQuery(); | ||
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| assertThat(query()).isEqualTo("select * from \"DUMMY_ENTITY\""); | ||
| } | ||
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| @Test // GH-1856 | ||
| void renamedTableNameQuery() { | ||
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| repository(RenamedEntityRepository.class).tableNameQuery(); | ||
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| assertThat(query()).isEqualTo("select * from \"ReNamed\""); | ||
| } | ||
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| @Test // GH-1856 | ||
| void fullyQualifiedTableNameQuery() { | ||
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| repository(RenamedEntityRepository.class).qualifiedTableNameQuery(); | ||
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| assertThat(query()).isEqualTo("select * from \"someSchema\".\"ReNamed\""); | ||
| } | ||
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| private String query() { | ||
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| ArgumentCaptor<String> queryCaptor = ArgumentCaptor.forClass(String.class); | ||
| verify(operations).queryForObject(queryCaptor.capture(), any(SqlParameterSource.class), any(RowMapper.class)); | ||
| return queryCaptor.getValue(); | ||
| } | ||
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| private @NotNull <T extends CrudRepository> T repository(Class<T> repositoryInterface) { | ||
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| Dialect dialect = HsqlDbDialect.INSTANCE; | ||
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| RelationalMappingContext context = new JdbcMappingContext(); | ||
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| DelegatingDataAccessStrategy delegatingDataAccessStrategy = new DelegatingDataAccessStrategy(); | ||
| JdbcConverter converter = new MappingJdbcConverter(context, delegatingDataAccessStrategy, | ||
| new JdbcCustomConversions(), new DefaultJdbcTypeFactory(operations.getJdbcOperations())); | ||
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| DataAccessStrategy dataAccessStrategy = mock(DataAccessStrategy.class); | ||
| ApplicationEventPublisher publisher = mock(ApplicationEventPublisher.class); | ||
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| JdbcRepositoryFactory factory = new JdbcRepositoryFactory(dataAccessStrategy, context, converter, dialect, | ||
| publisher, operations); | ||
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| return factory.getRepository(repositoryInterface); | ||
| } | ||
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| @Table | ||
| record DummyEntity(@Id Long id, String name) { | ||
| } | ||
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| interface DummyEntityRepository extends CrudRepository<DummyEntity, Long> { | ||
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| @Nullable | ||
| @Query("select * from someTable") | ||
| DummyEntity plainQuery(); | ||
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| @Nullable | ||
| @Query("select * from #{#tableName}") | ||
| DummyEntity tableNameQuery(); | ||
| } | ||
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| @Table(name = "ReNamed", schema = "someSchema") | ||
| record RenamedEntity(@Id Long id, String name) { | ||
| } | ||
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| interface RenamedEntityRepository extends CrudRepository<RenamedEntity, Long> { | ||
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| @Nullable | ||
| @Query("select * from #{#tableName}") | ||
| DummyEntity tableNameQuery(); | ||
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| @Nullable | ||
| @Query("select * from #{#qualifiedTableName}") | ||
| DummyEntity qualifiedTableNameQuery(); | ||
| } | ||
| } |
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