| /* |
| * 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.catalyst |
| |
| /** |
| * Implicit functions for [TableIdentifier] |
| */ |
| object CarbonTableIdentifierImplicit { |
| def apply(tableName: String): TableIdentifier = TableIdentifier(tableName) |
| |
| implicit def toTableIdentifier(tableIdentifier: Seq[String]): TableIdentifier = { |
| tableIdentifier match { |
| case Seq(dbName, tableName) => TableIdentifier(tableName, Some(dbName)) |
| case Seq(tableName) => TableIdentifier(tableName, None) |
| case _ => throw new IllegalArgumentException("invalid table identifier: " + tableIdentifier) |
| } |
| } |
| |
| implicit def toSequence(tableIdentifier: TableIdentifier): Seq[String] = { |
| tableIdentifier.database match { |
| case Some(dbName) => Seq(dbName, tableIdentifier.table) |
| case _ => Seq(tableIdentifier.table) |
| } |
| } |
| |
| implicit def toOptionalSequence(alias: Option[String]): Option[Seq[String]] = { |
| alias match { |
| case Some(alias) => Some(Seq(alias)) |
| case _ => None |
| } |
| } |
| } |