Examples with SchemaVersion org.apache.hadoop.hive.metastore.api.SchemaVersion used on opensource projects

Example 11 with SchemaVersion

use of org.apache.hadoop.hive.metastore.api.SchemaVersion in project hive by apache.

the class TestHiveMetaStoreSchemaMethods method addSchemaVersionOtherDb.

@Test
public void addSchemaVersionOtherDb() throws TException {
    String dbName = "other_db_for_schema_version";
    Database db = new DatabaseBuilder().setName(dbName).build();
    client.createDatabase(db);
    String schemaName = uniqueSchemaName();
    int version = 1;
    ISchema schema = new ISchemaBuilder().setDbName(dbName).setSchemaType(SchemaType.AVRO).setName(schemaName).build();
    client.createISchema(schema);
    String description = "very descriptive";
    String schemaText = "this should look like json, but oh well";
    String fingerprint = "this should be an md5 string";
    String versionName = "why would I name a version?";
    long creationTime = 10;
    String serdeName = "serde_for_schema37";
    String serializer = "org.apache.hadoop.hive.metastore.test.Serializer";
    String deserializer = "org.apache.hadoop.hive.metastore.test.Deserializer";
    String serdeDescription = "how do you describe a serde?";
    SchemaVersion schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(version).addCol("a", ColumnType.INT_TYPE_NAME).addCol("b", ColumnType.FLOAT_TYPE_NAME).setCreatedAt(creationTime).setState(SchemaVersionState.INITIATED).setDescription(description).setSchemaText(schemaText).setFingerprint(fingerprint).setName(versionName).setSerdeName(serdeName).setSerdeSerializerClass(serializer).setSerdeDeserializerClass(deserializer).setSerdeDescription(serdeDescription).build();
    client.addSchemaVersion(schemaVersion);
    schemaVersion = client.getSchemaVersion(dbName, schemaName, version);
    Assert.assertNotNull(schemaVersion);
    Assert.assertEquals(schemaName, schemaVersion.getSchema().getSchemaName());
    Assert.assertEquals(dbName, schemaVersion.getSchema().getDbName());
    Assert.assertEquals(version, schemaVersion.getVersion());
    Assert.assertEquals(creationTime, schemaVersion.getCreatedAt());
    Assert.assertEquals(SchemaVersionState.INITIATED, schemaVersion.getState());
    Assert.assertEquals(description, schemaVersion.getDescription());
    Assert.assertEquals(schemaText, schemaVersion.getSchemaText());
    Assert.assertEquals(fingerprint, schemaVersion.getFingerprint());
    Assert.assertEquals(versionName, schemaVersion.getName());
    Assert.assertEquals(serdeName, schemaVersion.getSerDe().getName());
    Assert.assertEquals(serializer, schemaVersion.getSerDe().getSerializerClass());
    Assert.assertEquals(deserializer, schemaVersion.getSerDe().getDeserializerClass());
    Assert.assertEquals(serdeDescription, schemaVersion.getSerDe().getDescription());
    Assert.assertEquals(2, schemaVersion.getColsSize());
    List<FieldSchema> cols = schemaVersion.getCols();
    Collections.sort(cols);
    Assert.assertEquals("a", cols.get(0).getName());
    Assert.assertEquals(ColumnType.INT_TYPE_NAME, cols.get(0).getType());
    Assert.assertEquals("b", cols.get(1).getName());
    Assert.assertEquals(ColumnType.FLOAT_TYPE_NAME, cols.get(1).getType());
    Assert.assertEquals(1, (int) preEvents.get(PreEventContext.PreEventType.READ_SCHEMA_VERSION));
    client.dropSchemaVersion(dbName, schemaName, version);
    try {
        client.getSchemaVersion(dbName, schemaName, version);
        Assert.fail();
    } catch (NoSuchObjectException e) {
    // all good
    }
}

Example 12 with SchemaVersion

use of org.apache.hadoop.hive.metastore.api.SchemaVersion in project hive by apache.

the class TestHiveMetaStoreSchemaMethods method mapNonExistentSerdeToSchemaVersion.

@Test(expected = NoSuchObjectException.class)
public void mapNonExistentSerdeToSchemaVersion() throws TException {
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(uniqueSchemaName()).build();
    client.createISchema(schema);
    SchemaVersion schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(1).addCol("x", ColumnType.BOOLEAN_TYPE_NAME).build();
    client.addSchemaVersion(schemaVersion);
    client.mapSchemaVersionToSerde(DEFAULT_DATABASE_NAME, schema.getName(), schemaVersion.getVersion(), uniqueSerdeName());
}

Example 13 with SchemaVersion

use of org.apache.hadoop.hive.metastore.api.SchemaVersion in project hive by apache.

the class TestHiveMetaStoreSchemaMethods method nonExistentSchemaVersionButOtherVersionsExist.

@Test(expected = NoSuchObjectException.class)
public void nonExistentSchemaVersionButOtherVersionsExist() throws TException {
    String schemaName = uniqueSchemaName();
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(schemaName).build();
    client.createISchema(schema);
    SchemaVersion schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(1).addCol("a", ColumnType.INT_TYPE_NAME).addCol("b", ColumnType.FLOAT_TYPE_NAME).build();
    client.addSchemaVersion(schemaVersion);
    client.getSchemaVersion(DEFAULT_DATABASE_NAME, schemaName, 2);
}

Example 14 with SchemaVersion

use of org.apache.hadoop.hive.metastore.api.SchemaVersion in project hive by apache.

the class TestHiveMetaStoreSchemaMethods method mapSerdeToSchemaVersion.

@Test
public void mapSerdeToSchemaVersion() throws TException {
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(uniqueSchemaName()).build();
    client.createISchema(schema);
    // Create schema with no serde, then map it
    SchemaVersion schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(1).addCol("x", ColumnType.BOOLEAN_TYPE_NAME).build();
    client.addSchemaVersion(schemaVersion);
    SerDeInfo serDeInfo = new SerDeInfo(uniqueSerdeName(), "lib", Collections.emptyMap());
    client.addSerDe(serDeInfo);
    client.mapSchemaVersionToSerde(DEFAULT_DATABASE_NAME, schema.getName(), schemaVersion.getVersion(), serDeInfo.getName());
    schemaVersion = client.getSchemaVersion(DEFAULT_DATABASE_NAME, schema.getName(), schemaVersion.getVersion());
    Assert.assertEquals(serDeInfo.getName(), schemaVersion.getSerDe().getName());
    // Create schema with a serde, then remap it
    String serDeName = uniqueSerdeName();
    schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(2).addCol("x", ColumnType.BOOLEAN_TYPE_NAME).setSerdeName(serDeName).setSerdeLib("x").build();
    client.addSchemaVersion(schemaVersion);
    schemaVersion = client.getSchemaVersion(DEFAULT_DATABASE_NAME, schema.getName(), 2);
    Assert.assertEquals(serDeName, schemaVersion.getSerDe().getName());
    serDeInfo = new SerDeInfo(uniqueSerdeName(), "y", Collections.emptyMap());
    client.addSerDe(serDeInfo);
    client.mapSchemaVersionToSerde(DEFAULT_DATABASE_NAME, schema.getName(), 2, serDeInfo.getName());
    schemaVersion = client.getSchemaVersion(DEFAULT_DATABASE_NAME, schema.getName(), 2);
    Assert.assertEquals(serDeInfo.getName(), schemaVersion.getSerDe().getName());
}

Example 15 with SchemaVersion

use of org.apache.hadoop.hive.metastore.api.SchemaVersion in project hive by apache.

the class TestHiveMetaStoreSchemaMethods method mapSerdeToSchemaVersionOtherDb.

@Test
public void mapSerdeToSchemaVersionOtherDb() throws TException {
    String dbName = "map_other_db";
    Database db = new DatabaseBuilder().setName(dbName).build();
    client.createDatabase(db);
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setDbName(dbName).setName(uniqueSchemaName()).build();
    client.createISchema(schema);
    // Create schema with no serde, then map it
    SchemaVersion schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(1).addCol("x", ColumnType.BOOLEAN_TYPE_NAME).build();
    client.addSchemaVersion(schemaVersion);
    SerDeInfo serDeInfo = new SerDeInfo(uniqueSerdeName(), "lib", Collections.emptyMap());
    client.addSerDe(serDeInfo);
    client.mapSchemaVersionToSerde(dbName, schema.getName(), schemaVersion.getVersion(), serDeInfo.getName());
    schemaVersion = client.getSchemaVersion(dbName, schema.getName(), schemaVersion.getVersion());
    Assert.assertEquals(serDeInfo.getName(), schemaVersion.getSerDe().getName());
    // Create schema with a serde, then remap it
    String serDeName = uniqueSerdeName();
    schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(2).addCol("x", ColumnType.BOOLEAN_TYPE_NAME).setSerdeName(serDeName).setSerdeLib("x").build();
    client.addSchemaVersion(schemaVersion);
    schemaVersion = client.getSchemaVersion(dbName, schema.getName(), 2);
    Assert.assertEquals(serDeName, schemaVersion.getSerDe().getName());
    serDeInfo = new SerDeInfo(uniqueSerdeName(), "y", Collections.emptyMap());
    client.addSerDe(serDeInfo);
    client.mapSchemaVersionToSerde(dbName, schema.getName(), 2, serDeInfo.getName());
    schemaVersion = client.getSchemaVersion(dbName, schema.getName(), 2);
    Assert.assertEquals(serDeInfo.getName(), schemaVersion.getSerDe().getName());
}