[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-14 Thread viirya
Github user viirya commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52864016
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/bucket.scala 
---
@@ -35,7 +36,8 @@ import org.apache.spark.sql.types.StructType
 private[sql] case class BucketSpec(
 numBuckets: Int,
 bucketColumnNames: Seq[String],
-sortColumnNames: Seq[String])
+sortColumnNames: Seq[String],
--- End diff --

`BucketSpec` is used in other places. Because `sortDirections` is optional, 
I don't want to change current implementation a lot.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-183012248
  
@viirya I have made an initial pass. This PR is large enough as it is, lets 
not more commands to it.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52644696
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala ---
@@ -62,6 +66,458 @@ private[sql] class SparkQl(conf: ParserConf = 
SimpleParserConf()) extends Cataly
 val tableIdent = extractTableIdent(nameParts)
 RefreshTable(tableIdent)
 
+  case Token("TOK_CREATEDATABASE", Token(databaseName, Nil) :: 
createDatabaseArgs) =>
--- End diff --

The main problem is LogicalPlan parsing, which we can split up in 
command/ddl/query parsing. We could use partial functions (or something like 
that) to implement the different parts of the parsing logic.

For instance:

abstract class BaseParser(val conf: ParserConf) extends ParserInterface 
{
  val planParsers: Seq[PlanParser]

  lazy val planParser = planParsers.reduce(_.orElse(_))

  def nodeToPlan(node: ASTNode): LogicalPlan = {
planParser.applyOrElse(node, throw new 
NotImplementedError(node.text))
  }
}

abstract class PlanParser extends PartialFunction[ASTNode, LogicalPlan]

case class ExplainCommandParser(base: BaseParser) extends PlanParser {
  val catalystQl = new CatalystQl
  import catalystQl.Token
  
  override def isDefinedAt(node: ASTNode): Boolean = node.text == 
"TOK_EXPLAIN"

  override def apply(v1: ASTNode): LogicalPlan = v1.children match {
case (crtTbl @ Token("TOK_CREATETABLE" | "TOK_QUERY", _)) :: rest =>
  val extended = rest.exists(_.text.toUpperCase == "EXTENDED")
  ExplainCommand(base.nodeToPlan(crtTbl), extended)
  }
}

class SomeParser(conf: ParserConf) extends BaseParser {
  val planParsers: Seq[PlanParser] = Seq(
ExplainCommandParser(this))
}





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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52623977
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala ---
@@ -52,7 +56,7 @@ private[sql] class SparkQl(conf: ParserConf = 
SimpleParserConf()) extends Cataly
   getClauses(Seq("TOK_CREATETABLE", "FORMATTED", "EXTENDED"), 
explainArgs)
 ExplainCommand(nodeToPlan(crtTbl), extended = extended.isDefined)
 
-  case Token("TOK_EXPLAIN", explainArgs) =>
+  case Token("TOK_EXPLAIN", explainArgs) if "TOK_QUERY" == 
explainArgs.head.text =>
--- End diff --

Are there other `EXPLAIN` cases possible?


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52622161
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala ---
@@ -62,6 +66,458 @@ private[sql] class SparkQl(conf: ParserConf = 
SimpleParserConf()) extends Cataly
 val tableIdent = extractTableIdent(nameParts)
 RefreshTable(tableIdent)
 
+  case Token("TOK_CREATEDATABASE", Token(databaseName, Nil) :: 
createDatabaseArgs) =>
+val Seq(
+  allowExisting,
+  dbLocation,
+  databaseComment,
+  dbprops) = getClauses(Seq(
+  "TOK_IFNOTEXISTS",
+  "TOK_DATABASELOCATION",
+  "TOK_DATABASECOMMENT",
+  "TOK_DATABASEPROPERTIES"), createDatabaseArgs)
+
+val location = dbLocation.map {
+  case Token("TOK_DATABASELOCATION", Token(loc, Nil) :: Nil) => 
unquoteString(loc)
+}
+val comment = databaseComment.map {
+  case Token("TOK_DATABASECOMMENT", Token(comment, Nil) :: Nil) => 
unquoteString(comment)
+}
+val props: Map[String, String] = dbprops.toSeq.flatMap {
+  case Token("TOK_DATABASEPROPERTIES", propList) =>
+propList.flatMap {
+  case Token("TOK_DBPROPLIST", props) =>
+props.map {
+  case Token("TOK_TABLEPROPERTY", keysAndValue) =>
+val key = keysAndValue.init.map(x => 
unquoteString(x.text)).mkString(".")
+val value = unquoteString(keysAndValue.last.text)
+(key, value)
+}
+}
+}.toMap
+
+CreateDataBase(databaseName, allowExisting.isDefined, location, 
comment, props)(node.source)
+
+  case Token("TOK_CREATEFUNCTION", func :: as :: createFuncArgs) =>
+val funcName = func.map(x => unquoteString(x.text)).mkString(".")
+val asName = unquoteString(as.text)
+val Seq(
+  rList,
+  temp) = getClauses(Seq(
+  "TOK_RESOURCE_LIST",
+  "TOK_TEMPORARY"), createFuncArgs)
+
+val resourcesMap: Map[String, String] = rList.toSeq.flatMap {
+  case Token("TOK_RESOURCE_LIST", resources) =>
+resources.map {
+  case Token("TOK_RESOURCE_URI", rType :: Token(rPath, Nil) :: 
Nil) =>
+val resourceType = rType match {
+  case Token("TOK_JAR", Nil) => "jar"
+  case Token("TOK_FILE", Nil) => "file"
+  case Token("TOK_ARCHIVE", Nil) => "archive"
+}
+(resourceType, unquoteString(rPath))
+}
+}.toMap
+CreateFunction(funcName, asName, resourcesMap, 
temp.isDefined)(node.source)
+
+  case Token("TOK_ALTERTABLE", alterTableArgs) =>
--- End diff --

There is not one single `ALTER TABLE` command, there are many (stopped 
counting at 20). The parser gives us pretty good trees to match on. For 
instance: `ALTER TABLE table_name UNSET TBLPROPERTIES ('comment', 'test')` 
gives us:

TOK_ALTERTABLE 1, 0, 15, 12
:- TOK_TABNAME 1, 4, 4, 12
:  +- table_name 1, 4, 4, 12
+- TOK_ALTERTABLE_DROPPROPERTIES 1, 6, 15, 44
   +- TOK_TABLEPROPERTIES 1, 10, 15, 44
  +- TOK_TABLEPROPLIST 1, 11, 14, 44
 :- TOK_TABLEPROPERTY 1, 11, 11, 44
 :  :- 'comment' 1, 11, 11, 44
 :  +- TOK_NULL 0, -1, -1, 0
 +- TOK_TABLEPROPERTY 1, 14, 14, 55
:- 'test' 1, 14, 14, 55
+- TOK_NULL 0, -1, -1, 0

Lets split this code by matching on the `TOK_ALTERTABLE_*` tokens. The 
result should be alot easier to understand.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52620118
  
--- Diff: 
sql/core/src/test/scala/org/apache/spark/sql/execution/SparkQlSuite.scala ---
@@ -0,0 +1,149 @@
+/*
+ * 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
+
+import org.apache.spark.sql.catalyst.plans.PlanTest
+
+class SparkQlSuite extends PlanTest {
+  val parser = new SparkQl()
+
+  test("create database") {
+parser.parsePlan("CREATE DATABASE IF NOT EXISTS database_name " +
--- End diff --

Why don't we use raw strings? This seems/looks painfull.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52617996
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala ---
@@ -62,6 +66,458 @@ private[sql] class SparkQl(conf: ParserConf = 
SimpleParserConf()) extends Cataly
 val tableIdent = extractTableIdent(nameParts)
 RefreshTable(tableIdent)
 
+  case Token("TOK_CREATEDATABASE", Token(databaseName, Nil) :: 
createDatabaseArgs) =>
+val Seq(
+  allowExisting,
+  dbLocation,
+  databaseComment,
+  dbprops) = getClauses(Seq(
+  "TOK_IFNOTEXISTS",
+  "TOK_DATABASELOCATION",
+  "TOK_DATABASECOMMENT",
+  "TOK_DATABASEPROPERTIES"), createDatabaseArgs)
+
+val location = dbLocation.map {
+  case Token("TOK_DATABASELOCATION", Token(loc, Nil) :: Nil) => 
unquoteString(loc)
+}
+val comment = databaseComment.map {
+  case Token("TOK_DATABASECOMMENT", Token(comment, Nil) :: Nil) => 
unquoteString(comment)
+}
+val props: Map[String, String] = dbprops.toSeq.flatMap {
+  case Token("TOK_DATABASEPROPERTIES", propList) =>
--- End diff --

This looks very similar to code in SparkQl 
https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala#L91-L99.

We could also try to integrate the concepts of 
TOK_DBPROPLIST/TOK_TABLEOPTIONS and TOK_TABLEPROPERTY/TOK_TABLEOPTION.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52616686
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/bucket.scala 
---
@@ -35,7 +36,8 @@ import org.apache.spark.sql.types.StructType
 private[sql] case class BucketSpec(
 numBuckets: Int,
 bucketColumnNames: Seq[String],
-sortColumnNames: Seq[String])
+sortColumnNames: Seq[String],
--- End diff --

No Tuples? (String, SortOrder)?


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52616927
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/commands.scala ---
@@ -418,3 +419,312 @@ case class SetDatabaseCommand(databaseName: String) 
extends RunnableCommand {
 
   override val output: Seq[Attribute] = Seq.empty
 }
+
+case class CreateDataBase(
+databaseName: String,
+allowExisting: Boolean,
+path: Option[String],
+comment: Option[String],
+props: Map[String, String])(sql: String) extends RunnableCommand with 
Logging {
+
+  override def run(sqlContext: SQLContext): Seq[Row] = {
--- End diff --

`override def run(sqlContext: SQLContext)` and `override val output: 
Seq[Attribute]` are the same is every command. Lets introduce a class which 
implements this for us.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52612493
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala ---
@@ -52,7 +56,7 @@ private[sql] class SparkQl(conf: ParserConf = 
SimpleParserConf()) extends Cataly
   getClauses(Seq("TOK_CREATETABLE", "FORMATTED", "EXTENDED"), 
explainArgs)
 ExplainCommand(nodeToPlan(crtTbl), extended = extended.isDefined)
 
-  case Token("TOK_EXPLAIN", explainArgs) =>
+  case Token("TOK_EXPLAIN", explainArgs) if "TOK_QUERY" == 
explainArgs.head.text =>
--- End diff --

Why not `Token("TOK_EXPLAIN", Token("TOK_QUERY", query) :: explainArgs) =>` 
?


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread hvanhovell
Github user hvanhovell commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52611305
  
--- Diff: 
sql/core/src/test/scala/org/apache/spark/sql/execution/SparkQlSuite.scala ---
@@ -0,0 +1,149 @@
+/*
+ * 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
+
+import org.apache.spark.sql.catalyst.plans.PlanTest
+
+class SparkQlSuite extends PlanTest {
--- End diff --

We really should test the resulting plans here, and not wait for an 
`AnalysisException` to be thrown. I know this is a PITA, but it will save us a 
lot of headaches in the future.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-11 Thread rxin
Github user rxin commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-182784626
  
btw @viirya can we create a execution.commands package for this?



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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-10 Thread rxin
Github user rxin commented on a diff in the pull request:

https://github.com/apache/spark/pull/11048#discussion_r52544458
  
--- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkQl.scala ---
@@ -62,6 +66,458 @@ private[sql] class SparkQl(conf: ParserConf = 
SimpleParserConf()) extends Cataly
 val tableIdent = extractTableIdent(nameParts)
 RefreshTable(tableIdent)
 
+  case Token("TOK_CREATEDATABASE", Token(databaseName, Nil) :: 
createDatabaseArgs) =>
--- End diff --

cc @hvanhovell 

any suggestions on how we can make this file/function more modular? It is 
getting too long and we are about to add a lot more statements to it.



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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-10 Thread rxin
Github user rxin commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-182633680
  
@viirya  yes we can do this incrementally. Let's just create subtasks under 
https://issues.apache.org/jira/browse/SPARK-13139


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-09 Thread AmplabJenkins
Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-181819020
  
Test PASSed.
Refer to this link for build results (access rights to CI server needed): 
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/50965/
Test PASSed.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-09 Thread AmplabJenkins
Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-181819018
  
Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-09 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-181818773
  
**[Test build #50965 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/50965/consoleFull)**
 for PR 11048 at commit 
[`3db2e1d`](https://github.com/apache/spark/commit/3db2e1d867b5750eb157c751a303c542bdad110e).
 * This patch passes all tests.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-09 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-181774944
  
**[Test build #50965 has 
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/50965/consoleFull)**
 for PR 11048 at commit 
[`3db2e1d`](https://github.com/apache/spark/commit/3db2e1d867b5750eb157c751a303c542bdad110e).


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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 * This patch **fails Spark unit tests**.
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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-08 Thread viirya
Github user viirya commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-181365000
  
@rxin I've added alter table command support. As this command and 
corresponding change is big, I think we should let this PR only cover these 
three commands and do other commands in other PRs. How do you think?


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-03 Thread rxin
Github user rxin commented on the pull request:

https://github.com/apache/spark/pull/11048#issuecomment-179479022
  
Thanks - this looks pretty good as a start. We will need to add many other 
ddls, including alter/drop table, etc.



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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

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  * `case class CreateFunction(`


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[GitHub] spark pull request: [SPARK-13139][SQL][WIP] Create native DDL comm...

2016-02-03 Thread viirya
GitHub user viirya opened a pull request:

https://github.com/apache/spark/pull/11048

[SPARK-13139][SQL][WIP] Create native DDL commands

JIRA: https://issues.apache.org/jira/browse/SPARK-13139

From JIRA: We currently delegate most DDLs directly to Hive, through 
NativePlaceholder in HiveQl.scala. In Spark 2.0, we want to provide native 
implementations for DDLs for both SQLContext and HiveContext.

This PR will do the first step to parse DDL commands and create logical 
commands that encapsulate them. Actual implementations still delegate to 
HiveNativeCommand now.


You can merge this pull request into a Git repository by running:

$ git pull https://github.com/viirya/spark-1 native-ddl

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/spark/pull/11048.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #11048


commit 77252af5b83d026030c5dd1270ecd4d0788af779
Author: Liang-Chi Hsieh 
Date:   2016-02-03T10:00:02Z

init import: create database and create function.




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