[SPARK-6663] [SQL] use Literal.create instread of constructor

[davies]

In order to do inbound checking and type conversion, we should use Literal.create() instead of constructor.

[SparkQA]

Test build #29577 has started for PR 5320 at commit 5f8c0fd.

[rxin]

i think this line is now over 100 chars

[rxin]

LGTM as soon as you fix the style issues and jenkins pass.

[SparkQA]

Test build #29577 has finished for PR 5320 at commit 5f8c0fd.

• This patch fails Scala style tests.
• This patch merges cleanly.
• This patch adds the following public classes (experimental):
  • case class Data(
  • case class Data(
  • s" but class priors vector pi had $
  • s" but class conditionals array theta had $
  • case class Data(word: String, vector: Array[Float])
  • class MessageWithHeader extends AbstractReferenceCounted implements FileRegion
  • class LinearClassificationModel(LinearModel):
  • class LogisticRegressionModel(LinearClassificationModel):
  • class SVMModel(LinearClassificationModel):
  • class UDFRegistration(object):
  • class Analyzer(
  • trait CheckAnalysis
  • case class CreateStruct(children: Seq[NamedExpression]) extends Expression
  • case class Literal protected (value: Any, dataType: DataType) extends LeafExpression
• This patch does not change any dependencies.

[AmplabJenkins]

Test FAILed.
Refer to this link for build results (access rights to CI server needed):
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/29577/
Test FAILed.

[SparkQA]

Test build #29578 has started for PR 5320 at commit 1667604.

[AmplabJenkins]

Test FAILed.
Refer to this link for build results (access rights to CI server needed):
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/29578/
Test FAILed.

[SparkQA]

Test build #633 has started for PR 5320 at commit 1667604.

[SparkQA]

Test build #633 has finished for PR 5320 at commit 1667604.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.
• This patch does not change any dependencies.

[rxin]

Thanks. Merging in master.