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

Example 1 with ISchemaName

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

the class SchemaVersionBuilder method build.

public SchemaVersion build() throws MetaException {
    if (schemaName == null || version < 0) {
        throw new MetaException("You must provide the schema name, and schema version");
    }
    SchemaVersion schemaVersion = new SchemaVersion(new ISchemaName(catName, dbName, schemaName), version, createdAt, getCols());
    if (state != null)
        schemaVersion.setState(state);
    if (description != null)
        schemaVersion.setDescription(description);
    if (schemaText != null)
        schemaVersion.setSchemaText(schemaText);
    if (fingerprint != null)
        schemaVersion.setFingerprint(fingerprint);
    if (name != null)
        schemaVersion.setName(name);
    schemaVersion.setSerDe(buildSerde());
    return schemaVersion;
}

Example 2 with ISchemaName

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

the class TestObjectStoreSchemaMethods method multipleSchemaVersions.

// Test that adding multiple versions of the same schema
@Test
public void multipleSchemaVersions() throws TException {
    Database db = createUniqueDatabaseForTest();
    String schemaName = "schema195";
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(schemaName).inDb(db).build();
    objectStore.createISchema(schema);
    SchemaVersion schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(1).addCol("a", ColumnType.BIGINT_TYPE_NAME).build();
    objectStore.addSchemaVersion(schemaVersion);
    schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(2).addCol("a", ColumnType.BIGINT_TYPE_NAME).addCol("b", ColumnType.DATE_TYPE_NAME).build();
    objectStore.addSchemaVersion(schemaVersion);
    schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(3).addCol("a", ColumnType.BIGINT_TYPE_NAME).addCol("b", ColumnType.DATE_TYPE_NAME).addCol("c", ColumnType.TIMESTAMP_TYPE_NAME).build();
    objectStore.addSchemaVersion(schemaVersion);
    schemaVersion = objectStore.getLatestSchemaVersion(new ISchemaName(db.getCatalogName(), db.getName(), schemaName));
    Assert.assertEquals(3, schemaVersion.getVersion());
    Assert.assertEquals(3, schemaVersion.getColsSize());
    List<FieldSchema> cols = schemaVersion.getCols();
    Collections.sort(cols);
    Assert.assertEquals("a", cols.get(0).getName());
    Assert.assertEquals("b", cols.get(1).getName());
    Assert.assertEquals("c", cols.get(2).getName());
    Assert.assertEquals(ColumnType.BIGINT_TYPE_NAME, cols.get(0).getType());
    Assert.assertEquals(ColumnType.DATE_TYPE_NAME, cols.get(1).getType());
    Assert.assertEquals(ColumnType.TIMESTAMP_TYPE_NAME, cols.get(2).getType());
    schemaVersion = objectStore.getLatestSchemaVersion(new ISchemaName(db.getCatalogName(), db.getName(), "no.such.schema.with.this.name"));
    Assert.assertNull(schemaVersion);
    List<SchemaVersion> versions = objectStore.getAllSchemaVersion(new ISchemaName(db.getCatalogName(), db.getName(), "there.really.isnt.a.schema.named.this"));
    Assert.assertNull(versions);
    versions = objectStore.getAllSchemaVersion(new ISchemaName(db.getCatalogName(), db.getName(), schemaName));
    Assert.assertEquals(3, versions.size());
    versions.sort(Comparator.comparingInt(SchemaVersion::getVersion));
    Assert.assertEquals(1, versions.get(0).getVersion());
    Assert.assertEquals(1, versions.get(0).getColsSize());
    Assert.assertEquals(ColumnType.BIGINT_TYPE_NAME, versions.get(0).getCols().get(0).getType());
    Assert.assertEquals(2, versions.get(1).getVersion());
    Assert.assertEquals(2, versions.get(1).getColsSize());
    cols = versions.get(1).getCols();
    Collections.sort(cols);
    Assert.assertEquals("a", cols.get(0).getName());
    Assert.assertEquals("b", cols.get(1).getName());
    Assert.assertEquals(ColumnType.BIGINT_TYPE_NAME, cols.get(0).getType());
    Assert.assertEquals(ColumnType.DATE_TYPE_NAME, cols.get(1).getType());
    Assert.assertEquals(3, versions.get(2).getVersion());
    Assert.assertEquals(3, versions.get(2).getColsSize());
    cols = versions.get(2).getCols();
    Collections.sort(cols);
    Assert.assertEquals("a", cols.get(0).getName());
    Assert.assertEquals("b", cols.get(1).getName());
    Assert.assertEquals("c", cols.get(2).getName());
    Assert.assertEquals(ColumnType.BIGINT_TYPE_NAME, cols.get(0).getType());
    Assert.assertEquals(ColumnType.DATE_TYPE_NAME, cols.get(1).getType());
    Assert.assertEquals(ColumnType.TIMESTAMP_TYPE_NAME, cols.get(2).getType());
}

Example 3 with ISchemaName

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

the class TestObjectStoreSchemaMethods method addDuplicateSchemaVersion.

@Test(expected = AlreadyExistsException.class)
public void addDuplicateSchemaVersion() throws TException {
    Database db = createUniqueDatabaseForTest();
    String schemaName = "schema1234";
    int version = 1;
    SchemaVersion schemaVersion = objectStore.getSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version));
    Assert.assertNull(schemaVersion);
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(schemaName).inDb(db).build();
    objectStore.createISchema(schema);
    schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(version).addCol("a", ColumnType.INT_TYPE_NAME).addCol("b", ColumnType.FLOAT_TYPE_NAME).build();
    objectStore.addSchemaVersion(schemaVersion);
    objectStore.addSchemaVersion(schemaVersion);
}

Example 4 with ISchemaName

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

the class TestObjectStoreSchemaMethods method addSchemaVersion.

@Test
public void addSchemaVersion() throws TException {
    Database db = createUniqueDatabaseForTest();
    String schemaName = "schema37";
    int version = 1;
    SchemaVersion schemaVersion = objectStore.getSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version));
    Assert.assertNull(schemaVersion);
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(schemaName).inDb(db).build();
    objectStore.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 = 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();
    objectStore.addSchemaVersion(schemaVersion);
    schemaVersion = objectStore.getSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version));
    Assert.assertNotNull(schemaVersion);
    Assert.assertEquals(schemaName, schemaVersion.getSchema().getSchemaName());
    Assert.assertEquals(db.getName(), schemaVersion.getSchema().getDbName());
    Assert.assertEquals(db.getCatalogName(), schemaVersion.getSchema().getCatName());
    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());
    objectStore.dropSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version));
    schemaVersion = objectStore.getSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version));
    Assert.assertNull(schemaVersion);
}

Example 5 with ISchemaName

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

the class TestObjectStoreSchemaMethods method alterSchemaVersion.

@Test
public void alterSchemaVersion() throws TException {
    Database db = createUniqueDatabaseForTest();
    String schemaName = "schema371234";
    int version = 1;
    SchemaVersion schemaVersion = objectStore.getSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version));
    Assert.assertNull(schemaVersion);
    ISchema schema = new ISchemaBuilder().setSchemaType(SchemaType.AVRO).setName(schemaName).inDb(db).build();
    objectStore.createISchema(schema);
    schemaVersion = new SchemaVersionBuilder().versionOf(schema).setVersion(version).addCol("a", ColumnType.INT_TYPE_NAME).addCol("b", ColumnType.FLOAT_TYPE_NAME).setState(SchemaVersionState.INITIATED).build();
    objectStore.addSchemaVersion(schemaVersion);
    schemaVersion = objectStore.getSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version));
    Assert.assertNotNull(schemaVersion);
    Assert.assertEquals(schemaName, schemaVersion.getSchema().getSchemaName());
    Assert.assertEquals(db.getName(), schemaVersion.getSchema().getDbName());
    Assert.assertEquals(db.getCatalogName(), schemaVersion.getSchema().getCatName());
    Assert.assertEquals(version, schemaVersion.getVersion());
    Assert.assertEquals(SchemaVersionState.INITIATED, schemaVersion.getState());
    schemaVersion.setState(SchemaVersionState.REVIEWED);
    String serdeName = "serde for " + schemaName;
    SerDeInfo serde = new SerDeInfo(serdeName, "", Collections.emptyMap());
    String serializer = "org.apache.hadoop.hive.metastore.test.Serializer";
    String deserializer = "org.apache.hadoop.hive.metastore.test.Deserializer";
    serde.setSerializerClass(serializer);
    serde.setDeserializerClass(deserializer);
    schemaVersion.setSerDe(serde);
    objectStore.alterSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version), schemaVersion);
    schemaVersion = objectStore.getSchemaVersion(new SchemaVersionDescriptor(new ISchemaName(db.getCatalogName(), db.getName(), schemaName), version));
    Assert.assertNotNull(schemaVersion);
    Assert.assertEquals(schemaName, schemaVersion.getSchema().getSchemaName());
    Assert.assertEquals(db.getName(), schemaVersion.getSchema().getDbName());
    Assert.assertEquals(db.getCatalogName(), schemaVersion.getSchema().getCatName());
    Assert.assertEquals(version, schemaVersion.getVersion());
    Assert.assertEquals(SchemaVersionState.REVIEWED, schemaVersion.getState());
    Assert.assertEquals(serdeName, schemaVersion.getSerDe().getName());
    Assert.assertEquals(serializer, schemaVersion.getSerDe().getSerializerClass());
    Assert.assertEquals(deserializer, schemaVersion.getSerDe().getDeserializerClass());
}