Package com.pardot.rhombus.cobject.migrations

Examples of com.pardot.rhombus.cobject.migrations.CObjectMigrator

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    CIndex newIndex = new CIndex();
    newIndex.setKey("index_1:index_2");
    newIndex.setShardingStrategy(new ShardingStrategyNone());
    NewDefinition.getIndexes().put(newIndex.getName(), newIndex);
    NewDefinition.getIndexes().remove("index_1:value");
    CObjectMigrator subject = new CObjectMigrator(OldDefinition,NewDefinition);

    //since we only added an index it should be migratable
    assertTrue(subject.isMigratable());

    CField newField = new CField("newfield", CField.CDataType.VARCHAR);
    NewDefinition.getFields().put(newField.getName(),newField);

    //since now we added a new field it should also be migratable
    assertTrue(subject.isMigratable());

    //changing a field type is not migratable
    CField updatedField = new CField("index_1", CField.CDataType.BIGINT);
    NewDefinition.getFields().put(updatedField.getName(),updatedField);
    assertFalse(subject.isMigratable());

  }
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  @Test
  public void testGetNewIndexes() throws IOException {
    CDefinition OldDefinition = JsonUtil.objectFromJsonResource(CDefinition.class, this.getClass().getClassLoader(), "MigrationTestCDefinition.js");
    CDefinition NewDefinition = JsonUtil.objectFromJsonResource(CDefinition.class, this.getClass().getClassLoader(), "MigrationTestCDefinition.js");

    CObjectMigrator subject = new CObjectMigrator(OldDefinition,NewDefinition);

    //No new indexes
    assertEquals(subject.getNewIndexes().size(), 0);

    //1 new index
    CIndex newIndex1 = new CIndex();
    newIndex1.setKey("index_1:index_2");
    newIndex1.setShardingStrategy(new ShardingStrategyNone());
    NewDefinition.getIndexes().put(newIndex1.getName(), newIndex1);
    assertEquals(subject.getNewIndexes().size(), 1);
    assertEquals(subject.getNewIndexes().get(0).getKey(), newIndex1.getKey());

    //2 new indexes
    CIndex newIndex2 = new CIndex();
    newIndex2.setKey("value");
    newIndex2.setShardingStrategy(new ShardingStrategyNone());
    NewDefinition.getIndexes().put(newIndex2.getName(), newIndex2);
    assertEquals(subject.getNewIndexes().size(), 2);
    assertEquals(subject.getNewIndexes().get(0).getKey(), newIndex2.getKey());
    assertEquals(subject.getNewIndexes().get(1).getKey(), newIndex1.getKey());
  }
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    newIndex2.setKey("value");
    newIndex2.setShardingStrategy(new ShardingStrategyNone());
    NewDefinition.getIndexes().put(newIndex2.getName(), newIndex2);
    CField newField = new CField("newfield", CField.CDataType.VARCHAR);
    NewDefinition.getFields().put(newField.getName(),newField);
    CObjectMigrator subject = new CObjectMigrator(OldDefinition,NewDefinition);
    assertEquals(subject.getNewIndexes().size(), 2);

    CObjectCQLGenerator cqlGenerator = new CObjectCQLGenerator(OldDefinition.getName(), 1000);
    CQLStatementIterator result = subject.getMigrationCQL(cqlGenerator);
    assertEquals("ALTER TABLE \"simple\".\"simple\" add newfield varchar", result.next().getQuery());
    assertEquals("ALTER TABLE \"simple\".\"simple3886e3439cce68f6363dc8f9d39ce041\" add newfield varchar", result.next().getQuery());
    assertEquals("ALTER TABLE \"simple\".\"simple2849d92a26f695e548ccda0db2a09b00\" add newfield varchar", result.next().getQuery());

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Related Classes of com.pardot.rhombus.cobject.migrations.CObjectMigrator

  • com.pardot.rhombus.cobject.statement.BoundedCQLStatementIterator
  • com.pardot.rhombus.CObjectMigratorTest
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