[SQL] Rename Dialect -> ParserDialect.

Author: Reynold Xin <rxin@databricks.com>

Closes #6071 from rxin/parserdialect and squashes the following commits:

ca2eb31 [Reynold Xin] Rename Dialect -> ParserDialect.

2 files changed, 8 insertions, 8 deletions

diff --git a/sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala b/sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala
index 28fc9d0443..648021806f 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala
@@ -37,7 +37,7 @@ import org.apache.spark.sql.catalyst.errors.DialectException
 import org.apache.spark.sql.catalyst.optimizer.{DefaultOptimizer, Optimizer}
 import org.apache.spark.sql.catalyst.plans.logical.{LocalRelation, LogicalPlan}
 import org.apache.spark.sql.catalyst.rules.RuleExecutor
-import org.apache.spark.sql.catalyst.Dialect
+import org.apache.spark.sql.catalyst.ParserDialect
 import org.apache.spark.sql.catalyst.{CatalystTypeConverters, ScalaReflection, expressions}
 import org.apache.spark.sql.execution.{Filter, _}
 import org.apache.spark.sql.jdbc.{JDBCPartition, JDBCPartitioningInfo, JDBCRelation}
@@ -49,7 +49,7 @@ import org.apache.spark.{Partition, SparkContext}
 
 /**
  * Currently we support the default dialect named "sql", associated with the class
- * [[DefaultDialect]]
+ * [[DefaultParserDialect]]
  *
  * And we can also provide custom SQL Dialect, for example in Spark SQL CLI:
  * {{{
@@ -74,7 +74,7 @@ import org.apache.spark.{Partition, SparkContext}
  *-- "hiveql" (for HiveContext)
  * }}}
  */
-private[spark] class DefaultDialect extends Dialect {
+private[spark] class DefaultParserDialect extends ParserDialect {
   @transient
   protected val sqlParser = new catalyst.SqlParser
 
@@ -176,10 +176,10 @@ class SQLContext(@transient val sparkContext: SparkContext)
   @transient
   protected[sql] val sqlParser = new SparkSQLParser(getSQLDialect().parse(_))
 
-  protected[sql] def getSQLDialect(): Dialect = {
+  protected[sql] def getSQLDialect(): ParserDialect = {
     try {
       val clazz = Utils.classForName(dialectClassName)
-      clazz.newInstance().asInstanceOf[Dialect]
+      clazz.newInstance().asInstanceOf[ParserDialect]
     } catch {
       case NonFatal(e) =>
         // Since we didn't find the available SQL Dialect, it will fail even for SET command:
@@ -209,7 +209,7 @@ class SQLContext(@transient val sparkContext: SparkContext)
   protected[sql] val defaultSession = createSession()
 
   protected[sql] def dialectClassName = if (conf.dialect == "sql") {
-    classOf[DefaultDialect].getCanonicalName
+    classOf[DefaultParserDialect].getCanonicalName
   } else {
     conf.dialect
   }
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
index b44eb223c8..ec0e76cde6 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
@@ -30,7 +30,7 @@ import org.apache.spark.sql.test.TestSQLContext.{udf => _, _}
 import org.apache.spark.sql.types._
 
 /** A SQL Dialect for testing purpose, and it can not be nested type */
-class MyDialect extends DefaultDialect
+class MyDialect extends DefaultParserDialect
 
 class SQLQuerySuite extends QueryTest with BeforeAndAfterAll {
   // Make sure the tables are loaded.
@@ -94,7 +94,7 @@ class SQLQuerySuite extends QueryTest with BeforeAndAfterAll {
       newContext.sql("SELECT 1")
     }
     // test if the dialect set back to DefaultSQLDialect
-    assert(newContext.getSQLDialect().getClass === classOf[DefaultDialect])
+    assert(newContext.getSQLDialect().getClass === classOf[DefaultParserDialect])
   }
 
   test("SPARK-4625 support SORT BY in SimpleSQLParser & DSL") {