Github user scwf commented on a diff in the pull request:
https://github.com/apache/spark/pull/5715#discussion_r29126807
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala ---
@@ -81,11 +81,38 @@ class HiveContext(sc: SparkContext) extends
SQLContext(sc) {
protected[sql] def convertCTAS: Boolean =
getConf("spark.sql.hive.convertCTAS", "false").toBoolean
- override protected[sql] def executePlan(plan: LogicalPlan):
this.QueryExecution =
- new this.QueryExecution(plan)
+ /* A catalyst metadata catalog that points to the Hive Metastore. */
+ @transient
+ override protected[sql] lazy val catalog = new
HiveMetastoreCatalog(this) with OverrideCatalog
+
+ // Note that HiveUDFs will be overridden by functions registered in this
context.
+ @transient
+ override protected[sql] lazy val functionRegistry =
+ new HiveFunctionRegistry with OverrideFunctionRegistry {
+ def caseSensitive: Boolean = false
+ }
+ /* An analyzer that uses the Hive metastore. */
@transient
- protected[sql] val ddlParserWithHiveQL = new
DDLParser(HiveQl.parseSql(_))
--- End diff --
we do not need this, since if we override sqlParser, we can inherited from
sqlcontext the ddlParser
`
protected[sql] val ddlParser = new DDLParser(sqlParser.parse(_))
`
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