GitHub user andrewor14 opened a pull request:
https://github.com/apache/spark/pull/12589
[SPARK-14828][SQL] Start SparkSession in REPL instead of SQLContext
## What changes were proposed in this pull request?
```
Spark context available as sc (master = local[*], app id =
local-1461283768192).
Spark session available as sparkSession.
Welcome to
____ __
/ __/__ ___ _____/ /__
_\ \/ _ \/ _ `/ __/ '_/
/___/ .__/\_,_/_/ /_/\_\ version 2.0.0-SNAPSHOT
/_/
Using Scala version 2.11.8 (Java HotSpot(TM) 64-Bit Server VM, Java
1.7.0_51)
Type in expressions to have them evaluated.
Type :help for more information.
scala> sql("SHOW TABLES").collect()
16/04/21 17:09:39 WARN ObjectStore: Version information not found in
metastore. hive.metastore.schema.verification is not enabled so recording the
schema version 1.2.0
16/04/21 17:09:39 WARN ObjectStore: Failed to get database default,
returning NoSuchObjectException
res0: Array[org.apache.spark.sql.Row] = Array([src,false])
scala> sql("SHOW TABLES").collect()
res1: Array[org.apache.spark.sql.Row] = Array([src,false])
```
Hive things are loaded lazily.
## How was this patch tested?
Manual.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/andrewor14/spark spark-session-repl
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12589.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 #12589
----
commit e7dee4f522479a75c587189bf8c37cfcddb184ba
Author: Andrew Or <[email protected]>
Date: 2016-04-22T00:08:28Z
Initialize sparkSession in REPL instead of sqlContext
----
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