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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.sql.execution.command
import org.apache.spark.Logging
import org.apache.spark.sql.{Row, SQLContext}
import org.apache.spark.sql.catalyst.TableIdentifier
import org.apache.spark.sql.catalyst.catalog.ExternalCatalog.TablePartitionSpec
import org.apache.spark.sql.catalyst.expressions.{Attribute, AttributeReference}
import org.apache.spark.sql.execution.datasources.BucketSpec
import org.apache.spark.sql.types._
// Note: The definition of these commands are based on the ones described in
// https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL
/**
* A DDL command expected to be parsed and run in an underlying system instead of in Spark.
*/
abstract class NativeDDLCommand(val sql: String) extends RunnableCommand {
override def run(sqlContext: SQLContext): Seq[Row] = {
sqlContext.runNativeSql(sql)
}
override val output: Seq[Attribute] = {
Seq(AttributeReference("result", StringType, nullable = false)())
}
}
case class CreateDatabase(
databaseName: String,
ifNotExists: Boolean,
path: Option[String],
comment: Option[String],
props: Map[String, String])(sql: String)
extends NativeDDLCommand(sql) with Logging
case class CreateFunction(
functionName: String,
alias: String,
resourcesMap: Map[String, String],
isTemp: Boolean)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableRename(
oldName: TableIdentifier,
newName: TableIdentifier)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableSetProperties(
tableName: TableIdentifier,
properties: Map[String, String])(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableUnsetProperties(
tableName: TableIdentifier,
properties: Map[String, String],
ifExists: Boolean)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableSerDeProperties(
tableName: TableIdentifier,
serdeClassName: Option[String],
serdeProperties: Option[Map[String, String]],
partition: Option[Map[String, String]])(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableStorageProperties(
tableName: TableIdentifier,
buckets: BucketSpec)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableNotClustered(
tableName: TableIdentifier)(sql: String) extends NativeDDLCommand(sql) with Logging
case class AlterTableNotSorted(
tableName: TableIdentifier)(sql: String) extends NativeDDLCommand(sql) with Logging
case class AlterTableSkewed(
tableName: TableIdentifier,
// e.g. (dt, country)
skewedCols: Seq[String],
// e.g. ('2008-08-08', 'us), ('2009-09-09', 'uk')
skewedValues: Seq[Seq[String]],
storedAsDirs: Boolean)(sql: String)
extends NativeDDLCommand(sql) with Logging {
require(skewedValues.forall(_.size == skewedCols.size),
"number of columns in skewed values do not match number of skewed columns provided")
}
case class AlterTableNotSkewed(
tableName: TableIdentifier)(sql: String) extends NativeDDLCommand(sql) with Logging
case class AlterTableNotStoredAsDirs(
tableName: TableIdentifier)(sql: String) extends NativeDDLCommand(sql) with Logging
case class AlterTableSkewedLocation(
tableName: TableIdentifier,
skewedMap: Map[String, String])(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableAddPartition(
tableName: TableIdentifier,
partitionSpecsAndLocs: Seq[(TablePartitionSpec, Option[String])],
ifNotExists: Boolean)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableRenamePartition(
tableName: TableIdentifier,
oldPartition: TablePartitionSpec,
newPartition: TablePartitionSpec)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableExchangePartition(
fromTableName: TableIdentifier,
toTableName: TableIdentifier,
spec: TablePartitionSpec)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableDropPartition(
tableName: TableIdentifier,
specs: Seq[TablePartitionSpec],
ifExists: Boolean,
purge: Boolean)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableArchivePartition(
tableName: TableIdentifier,
spec: TablePartitionSpec)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableUnarchivePartition(
tableName: TableIdentifier,
spec: TablePartitionSpec)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableSetFileFormat(
tableName: TableIdentifier,
partitionSpec: Option[TablePartitionSpec],
fileFormat: Seq[String],
genericFormat: Option[String])(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableSetLocation(
tableName: TableIdentifier,
partitionSpec: Option[TablePartitionSpec],
location: String)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableTouch(
tableName: TableIdentifier,
partitionSpec: Option[TablePartitionSpec])(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableCompact(
tableName: TableIdentifier,
partitionSpec: Option[TablePartitionSpec],
compactType: String)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableMerge(
tableName: TableIdentifier,
partitionSpec: Option[TablePartitionSpec])(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableChangeCol(
tableName: TableIdentifier,
partitionSpec: Option[TablePartitionSpec],
oldColName: String,
newColName: String,
dataType: DataType,
comment: Option[String],
afterColName: Option[String],
restrict: Boolean,
cascade: Boolean)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableAddCol(
tableName: TableIdentifier,
partitionSpec: Option[TablePartitionSpec],
columns: StructType,
restrict: Boolean,
cascade: Boolean)(sql: String)
extends NativeDDLCommand(sql) with Logging
case class AlterTableReplaceCol(
tableName: TableIdentifier,
partitionSpec: Option[TablePartitionSpec],
columns: StructType,
restrict: Boolean,
cascade: Boolean)(sql: String)
extends NativeDDLCommand(sql) with Logging
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