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Avoid the unnecessary UPDATE for JsonNode entity mappings #348
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123 changes: 123 additions & 0 deletions
123
...ypes-43/src/test/java/com/vladmihalcea/hibernate/type/json/MySQLJsonNodePropertyTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| package com.vladmihalcea.hibernate.type.json; | ||
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| import com.fasterxml.jackson.databind.DeserializationFeature; | ||
| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.vladmihalcea.hibernate.type.util.AbstractMySQLIntegrationTest; | ||
| import com.vladmihalcea.hibernate.type.util.transaction.JPATransactionFunction; | ||
| import net.ttddyy.dsproxy.QueryCount; | ||
| import net.ttddyy.dsproxy.QueryCountHolder; | ||
| import org.hibernate.Session; | ||
| import org.hibernate.annotations.NaturalId; | ||
| import org.hibernate.annotations.Type; | ||
| import org.hibernate.annotations.TypeDef; | ||
| import org.junit.Test; | ||
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| import javax.persistence.*; | ||
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| import static org.junit.Assert.assertEquals; | ||
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| /** | ||
| * @author Victor Noël | ||
| */ | ||
| public class MySQLJsonNodePropertyTest extends AbstractMySQLIntegrationTest { | ||
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| private final ObjectMapper mapper = newMapper(); | ||
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| @Override | ||
| protected Class<?>[] entities() { | ||
| return new Class<?>[]{ | ||
| Book.class | ||
| }; | ||
| } | ||
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| @Override | ||
| protected void afterInit() { | ||
| doInJPA(new JPATransactionFunction<Void>() { | ||
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| @Override | ||
| public Void apply(EntityManager entityManager) { | ||
| try { | ||
| entityManager.persist( | ||
| new Book() | ||
| .setIsbn("978-9730228236") | ||
| .setProperties(mapper.readTree("{\"field\": 0.05}")) | ||
| ); | ||
| } catch (Exception e) { | ||
| throw new IllegalStateException(e); | ||
| } | ||
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| return null; | ||
| } | ||
| }); | ||
| } | ||
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| @Test | ||
| public void test() { | ||
| QueryCountHolder.clear(); | ||
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| doInJPA(new JPATransactionFunction<Void>() { | ||
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| @Override | ||
| public Void apply(EntityManager entityManager) { | ||
| Book book = (Book) entityManager.unwrap(Session.class) | ||
| .bySimpleNaturalId(Book.class) | ||
| .load("978-9730228236"); | ||
| assertEquals(0.05, book.getProperties().get("field").asDouble(), 0.0); | ||
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| return null; | ||
| } | ||
| }); | ||
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| QueryCount queryCount = QueryCountHolder.getGrandTotal(); | ||
| assertEquals(0, queryCount.getUpdate()); | ||
| } | ||
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| public static class MyJsonType extends JsonType { | ||
| public MyJsonType() { | ||
| super(newMapper()); | ||
| } | ||
| } | ||
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| @Entity(name = "Book") | ||
| @Table(name = "book") | ||
| @TypeDef(name = "json", typeClass = MyJsonType.class) | ||
| public static class Book { | ||
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| @Id | ||
| @GeneratedValue | ||
| private Long id; | ||
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| @NaturalId | ||
| private String isbn; | ||
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| @Type(type = "json") | ||
| @Column(columnDefinition = "json") | ||
| private JsonNode properties; | ||
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| public String getIsbn() { | ||
| return isbn; | ||
| } | ||
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| public Book setIsbn(String isbn) { | ||
| this.isbn = isbn; | ||
| return this; | ||
| } | ||
|
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| public JsonNode getProperties() { | ||
| return properties; | ||
| } | ||
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| public Book setProperties(JsonNode properties) { | ||
| this.properties = properties; | ||
| return this; | ||
| } | ||
| } | ||
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| private static ObjectMapper newMapper() { | ||
| ObjectMapper mapper = new ObjectMapper(); | ||
| mapper.configure(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS, true); | ||
| return mapper; | ||
| } | ||
| } |
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