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

Example 6 with ISchema

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

the class TestHiveMetaStoreSchemaMethods method alterNonExistentSchema.

@Test(expected = NoSuchObjectException.class)
public void alterNonExistentSchema() throws TException {
    String schemaName = uniqueSchemaName();
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.HIVE).setName(schemaName).setDescription("a new description").build();
    client.alterISchema(DEFAULT_DATABASE_NAME, schemaName, schema);
}

Example 7 with ISchema

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

the class TestHiveMetaStoreSchemaMethods method setVersionStateNoSuchVersion.

@Test(expected = NoSuchObjectException.class)
public void setVersionStateNoSuchVersion() throws TException {
    String schemaName = uniqueSchemaName();
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(schemaName).build();
    client.createISchema(schema);
    client.setSchemaVersionState(DEFAULT_DATABASE_NAME, schemaName, 1, SchemaVersionState.INITIATED);
}

Example 8 with ISchema

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

the class TestHiveMetaStoreSchemaMethods method schemaWithInvalidDatabase.

@Test(expected = NoSuchObjectException.class)
public void schemaWithInvalidDatabase() throws TException {
    ISchema schema = new ISchemaBuilder().setName("thisSchemaDoesntHaveADb").setDbName("no.such.database").setSchemaType(SchemaType.AVRO).build();
    client.createISchema(schema);
}

Example 9 with ISchema

use of org.apache.hadoop.hive.metastore.api.ISchema 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 10 with ISchema

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

the class TestHiveMetaStoreSchemaMethods method iSchema.

@Test
public void iSchema() throws TException {
    String schemaName = uniqueSchemaName();
    String schemaGroup = "group1";
    String description = "This is a description";
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(schemaName).setCompatibility(SchemaCompatibility.FORWARD).setValidationLevel(SchemaValidation.LATEST).setCanEvolve(false).setSchemaGroup(schemaGroup).setDescription(description).build();
    client.createISchema(schema);
    Assert.assertEquals(1, (int) preEvents.get(PreEventContext.PreEventType.CREATE_ISCHEMA));
    Assert.assertEquals(1, (int) events.get(EventMessage.EventType.CREATE_ISCHEMA));
    Assert.assertEquals(1, (int) transactionalEvents.get(EventMessage.EventType.CREATE_ISCHEMA));
    schema = client.getISchema(DEFAULT_DATABASE_NAME, schemaName);
    Assert.assertEquals(1, (int) preEvents.get(PreEventContext.PreEventType.READ_ISCHEMA));
    Assert.assertEquals(SchemaType.AVRO, schema.getSchemaType());
    Assert.assertEquals(schemaName, schema.getName());
    Assert.assertEquals(SchemaCompatibility.FORWARD, schema.getCompatibility());
    Assert.assertEquals(SchemaValidation.LATEST, schema.getValidationLevel());
    Assert.assertFalse(schema.isCanEvolve());
    Assert.assertEquals(schemaGroup, schema.getSchemaGroup());
    Assert.assertEquals(description, schema.getDescription());
    schemaGroup = "new group";
    description = "new description";
    schema.setCompatibility(SchemaCompatibility.BOTH);
    schema.setValidationLevel(SchemaValidation.ALL);
    schema.setCanEvolve(true);
    schema.setSchemaGroup(schemaGroup);
    schema.setDescription(description);
    client.alterISchema(DEFAULT_DATABASE_NAME, schemaName, schema);
    Assert.assertEquals(1, (int) preEvents.get(PreEventContext.PreEventType.ALTER_ISCHEMA));
    Assert.assertEquals(1, (int) events.get(EventMessage.EventType.ALTER_ISCHEMA));
    Assert.assertEquals(1, (int) transactionalEvents.get(EventMessage.EventType.ALTER_ISCHEMA));
    schema = client.getISchema(DEFAULT_DATABASE_NAME, schemaName);
    Assert.assertEquals(2, (int) preEvents.get(PreEventContext.PreEventType.READ_ISCHEMA));
    Assert.assertEquals(SchemaType.AVRO, schema.getSchemaType());
    Assert.assertEquals(schemaName, schema.getName());
    Assert.assertEquals(SchemaCompatibility.BOTH, schema.getCompatibility());
    Assert.assertEquals(SchemaValidation.ALL, schema.getValidationLevel());
    Assert.assertTrue(schema.isCanEvolve());
    Assert.assertEquals(schemaGroup, schema.getSchemaGroup());
    Assert.assertEquals(description, schema.getDescription());
    client.dropISchema(DEFAULT_DATABASE_NAME, schemaName);
    Assert.assertEquals(1, (int) preEvents.get(PreEventContext.PreEventType.DROP_ISCHEMA));
    Assert.assertEquals(1, (int) events.get(EventMessage.EventType.DROP_ISCHEMA));
    Assert.assertEquals(1, (int) transactionalEvents.get(EventMessage.EventType.DROP_ISCHEMA));
    try {
        client.getISchema(DEFAULT_DATABASE_NAME, schemaName);
        Assert.fail();
    } catch (NoSuchObjectException e) {
    // all good
    }
}