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[SPARK-14402][HOTFIX] Fix ExpressionDescription annotation

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## What changes were proposed in this pull request?

Fix for the error introduced in c59abad052:

```
/Users/jacek/dev/oss/spark/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala:626: error: annotation argument needs to be a constant; found: "_FUNC_(str) - ".+("Returns str, with the first letter of each word in uppercase, all other letters in ").+("lowercase. Words are delimited by white space.")
    "Returns str, with the first letter of each word in uppercase, all other letters in " +
                                                                                          ^
```

## How was this patch tested?

Local build

Author: Jacek Laskowski <jacek@japila.pl>

Closes #12192 from jaceklaskowski/SPARK-14402-HOTFIX.
This commit is contained in:
Jacek Laskowski 2016-04-08 11:36:41 +01:00 committed by Sean Owen
parent 73b56a3c6c
commit 6447098013
1 changed files with 3 additions and 3 deletions
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6
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
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@ -622,9 +622,9 @@ case class FormatString(children: Expression*) extends Expression with ImplicitC
* Words are delimited by whitespace.
*/
@ExpressionDescription(
usage = "_FUNC_(str) - " +
"Returns str, with the first letter of each word in uppercase, all other letters in " +
"lowercase. Words are delimited by white space.",
usage =
"""_FUNC_(str) - Returns str with the first letter of each word in uppercase.
All other letters are in lowercase. Words are delimited by white space.""",
extended = "> SELECT initcap('sPark sql');\n 'Spark Sql'")
case class InitCap(child: Expression) extends UnaryExpression with ImplicitCastInputTypes {