为什么Liquibase想要dropPrimaryKey和addPrimaryKey?

时间:2015-07-14 11:46:13

标签: postgresql liquibase

我有使用Eclipse Link生成的Postgres数据库。在这些数据库之间没有任何变化,但是当我运行liquibase生成diffChangeLog时,它会使用dropPrimaryKey和addPrimaryKey生成更改集。我不明白为什么它为所有表的所有主键生成这些记录。两个表的名称,列顺序相同。

变更集的示例

<changeSet author="michal2 (generated)" id="1436872322297-8">
        <dropPrimaryKey tableName="country_translation"/>
        <addPrimaryKey columnNames="country_id, translations_id" constraintName="country_translation_pkey" tableName="country_translation"/>
    </changeSet>

原始表的SQL

CREATE TABLE country_translation
(
  country_id bigint NOT NULL,
  translations_id bigint NOT NULL,
  CONSTRAINT country_translation_pkey PRIMARY KEY (country_id, translations_id),
  CONSTRAINT fk_country_translation_country_id FOREIGN KEY (country_id)
      REFERENCES country (id) MATCH SIMPLE
      ON UPDATE NO ACTION ON DELETE NO ACTION,
  CONSTRAINT fk_country_translation_translations_id FOREIGN KEY (translations_id)
      REFERENCES translation (id) MATCH SIMPLE
      ON UPDATE NO ACTION ON DELETE NO ACTION
)
WITH (
  OIDS=FALSE
);
ALTER TABLE country_translation
  OWNER TO hotels;

参考表的SQL

CREATE TABLE country_translation
(
  country_id bigint NOT NULL,
  translations_id bigint NOT NULL,
  CONSTRAINT country_translation_pkey PRIMARY KEY (country_id, translations_id),
  CONSTRAINT fk_country_translation_country_id FOREIGN KEY (country_id)
      REFERENCES country (id) MATCH SIMPLE
      ON UPDATE NO ACTION ON DELETE NO ACTION,
  CONSTRAINT fk_country_translation_translations_id FOREIGN KEY (translations_id)
      REFERENCES translation (id) MATCH SIMPLE
      ON UPDATE NO ACTION ON DELETE NO ACTION
)
WITH (
  OIDS=FALSE
);
ALTER TABLE country_translation
  OWNER TO hotels;

带参数的Liquibase命令

./liquibase \
      --driver=org.postgresql.Driver \
      --classpath=/home/michal2/tools/postgresql-jdbc-driver/postgresql-jdbc.jar \
      --changeLogFile=changelog-hotels.xml \
      --url="jdbc:postgresql://localhost/hotels" \
      --username=hotels \
      --password=hotels \
      --defaultSchemaName=public \
    --logLevel=info \
    diffChangeLog \
    --referenceUrl="jdbc:postgresql://localhost/hotels_liquibase" \
    --referenceUsername=hotels \
    --referencePassword=hotels \
        --referenceDefaultSchemaName=public

我使用的是3.4.0版本

1 个答案:

答案 0 :(得分:2)

Liquibase 3.4.1 https://liquibase.jira.com/browse/CORE-2416

已修复此问题