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unit tests for #70 
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‎hibernate4/src/test/java/com/fasterxml/jackson/datatype/hibernate4/InfiniteRecursionTest.java

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package com.fasterxml.jackson.datatype.hibernate4;
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import javax.persistence.EntityManager;
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import javax.persistence.EntityManagerFactory;
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import javax.persistence.Persistence;
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import org.hibernate.Hibernate;
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import org.junit.Test;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.datatype.hibernate4.data.Contrato;
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public class InfiniteRecursionTest extends BaseTest {
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// [Issue#70]
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@Test
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public void testInfinite() throws Exception {
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EntityManagerFactory emf = Persistence.createEntityManagerFactory("persistenceUnit");
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String expected = "{\"id\":1,\"numeroContrato\":\"100001-9\",\"parcelas\":[{\"id\":1,\"numeroParcela\":1}],\"liquidacoes\":[{\"id\":1,\"valorTotal\":10000,\"parcela\":{\"id\":1,\"numeroParcela\":1}}]}";
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try {
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EntityManager em = emf.createEntityManager();
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ObjectMapper mapper = mapperWithModule(true);
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final Contrato contrato1 = em.find(Contrato.class, 1L);
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Hibernate.initialize(contrato1.getParcelas());
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Hibernate.initialize(contrato1.getLiquidacoes());
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assertEquals(expected, mapper.writer().writeValueAsString(contrato1));
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em.clear();
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final Contrato contrato2 = em.find(Contrato.class, 1L);
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Hibernate.initialize(contrato2.getLiquidacoes());
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Hibernate.initialize(contrato2.getParcelas());
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assertEquals(expected, mapper.writer().writeValueAsString(contrato2));
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} finally {
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emf.close();
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}
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}
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}

‎hibernate4/src/test/java/com/fasterxml/jackson/datatype/hibernate4/data/Contrato.java

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package com.fasterxml.jackson.datatype.hibernate4.data;
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import java.util.List;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import javax.persistence.OneToMany;
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import javax.persistence.Table;
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import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
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@Entity @Table(name="Contrato", catalog="classicmodels")
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public class Contrato {
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@Id
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private Long id;
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@Column(name="numero_contrato")
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private String numeroContrato;
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@OneToMany(mappedBy="contrato") @JsonIgnoreProperties("contrato")
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private List<Parcela> parcelas;
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@OneToMany(mappedBy="contrato") @JsonIgnoreProperties("contrato")
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private List<Liquidacao> liquidacoes;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getNumeroContrato() {
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return numeroContrato;
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}
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public void setNumeroContrato(String numeroContrato) {
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this.numeroContrato = numeroContrato;
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}
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public List<Parcela> getParcelas() {
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return parcelas;
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}
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public void setParcelas(List<Parcela> parcelas) {
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this.parcelas = parcelas;
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}
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public List<Liquidacao> getLiquidacoes() {
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return liquidacoes;
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}
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public void setLiquidacoes(List<Liquidacao> liquidacoes) {
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this.liquidacoes = liquidacoes;
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}
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}

‎hibernate4/src/test/java/com/fasterxml/jackson/datatype/hibernate4/data/Liquidacao.java

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package com.fasterxml.jackson.datatype.hibernate4.data;
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import java.math.BigDecimal;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.Id;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.Table;
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import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
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@Entity @Table(name="Liquidacao", catalog="classicmodels")
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public class Liquidacao {
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@Id
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private Long id;
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@Column(name="valor_total")
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private BigDecimal valorTotal;
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@ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name="contrato_id")
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private Contrato contrato;
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@ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name="parcela_id") @JsonIgnoreProperties("contrato")
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private Parcela parcela;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public BigDecimal getValorTotal() {
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return valorTotal;
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}
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public void setValorTotal(BigDecimal valorTotal) {
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this.valorTotal = valorTotal;
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}
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public Contrato getContrato() {
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return contrato;
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}
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public void setContrato(Contrato contrato) {
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this.contrato = contrato;
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}
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public Parcela getParcela() {
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return parcela;
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}
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public void setParcela(Parcela parcela) {
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this.parcela = parcela;
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}
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}

‎hibernate4/src/test/java/com/fasterxml/jackson/datatype/hibernate4/data/Parcela.java

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package com.fasterxml.jackson.datatype.hibernate4.data;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.Id;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.Table;
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@Entity @Table(name="Parcela", catalog="classicmodels")
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public class Parcela {
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@Id
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private Long id;
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@Column(name="numero_parcela")
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private Integer numeroParcela;
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@ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name="contrato_id")
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private Contrato contrato;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public Integer getNumeroParcela() {
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return numeroParcela;
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}
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public void setNumeroParcela(Integer numeroParcela) {
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this.numeroParcela = numeroParcela;
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}
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public Contrato getContrato() {
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return contrato;
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}
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public void setContrato(Contrato contrato) {
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this.contrato = contrato;
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}
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}

‎hibernate4/src/test/resources/META-INF/persistence.xml

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<persistence-unit name="persistenceUnit" transaction-type="RESOURCE_LOCAL">
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<provider>org.hibernate.ejb.HibernatePersistence</provider>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Contrato</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Customer</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Employee</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Liquidacao</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Office</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Order</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.OrderDetail</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.OrderDetailId</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Parcela</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Payment</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.PaymentId</class>
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<class>com.fasterxml.jackson.datatype.hibernate4.data.Product</class>

‎hibernate4/src/test/resources/classicmodels.sql

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('S72_1253','Boeing X-32A JSF','Planes','1:72','Motor City Art Classics','10\" Wingspan with retractable landing gears.Comes with pilot',4857,32.77,49.66),
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('S72_3212','Pont Yacht','Ships','1:72','Unimax Art Galleries','Measures 38 inches Long x 33 3/4 inches High. Includes a stand.\r\nMany extras including rigging, long boats, pilot house, anchors, etc. Comes with 2 masts, all square-rigged',414,33.3,54.6);
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DROP TABLE IF EXISTS `classicmodels`.`Contrato`;
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CREATE TABLE `classicmodels`.`Contrato` (
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`id` numeric(10) NOT NULL,
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`numero_contrato` varchar(50) NOT NULL,
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PRIMARY KEY (`id`)
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) DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
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INSERT INTO `classicmodels`.`Contrato` (`id`,`numero_contrato`) VALUES
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(1, '100001-9');
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DROP TABLE IF EXISTS `classicmodels`.`Parcela`;
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CREATE TABLE `classicmodels`.`Parcela` (
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`id` numeric(10) NOT NULL,
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`numero_parcela` numeric(10) NOT NULL,
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`contrato_id` numeric(10) NOT NULL,
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PRIMARY KEY (`id`)
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) DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
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INSERT INTO `classicmodels`.`Parcela` (`id`,`numero_parcela`,`contrato_id`) VALUES
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(1, 1, 1);
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DROP TABLE IF EXISTS `classicmodels`.`Liquidacao`;
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CREATE TABLE `classicmodels`.`Liquidacao` (
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`id` numeric(10) NOT NULL,
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`valor_total` numeric(10) NOT NULL,
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`contrato_id` numeric(10) NOT NULL,
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`parcela_id` numeric(10) NULL,
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PRIMARY KEY (`id`)
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) DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
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INSERT INTO `classicmodels`.`Liquidacao` (`id`,`valor_total`,`contrato_id`, `parcela_id`) VALUES
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(1, 10000, 1, 1);
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-- Return to H2 regular mode
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SET MODE REGULAR;
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