From 063da0c8d4e82a47cf7841578dcf968080c3d89d Mon Sep 17 00:00:00 2001
From: Reynold Xin <rxin@databricks.com>
Date: Sat, 19 Nov 2016 21:57:49 -0800
Subject: [PATCH] [SQL] Fix documentation for Concat and ConcatWs
(cherry picked from commit a64f25d8b403b17ff68c9575f6f35b22e5b62427)
Signed-off-by: Reynold Xin <rxin@databricks.com>
---
.../sql/catalyst/expressions/stringExpressions.scala | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
index e74ef9a087..908aa44f81 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
@@ -40,15 +40,13 @@ import org.apache.spark.unsafe.types.{ByteArray, UTF8String}
* An expression that concatenates multiple input strings into a single string.
* If any input is null, concat returns null.
*/
-// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_(str1, str2, ..., strN) - Returns the concatenation of `str1`, `str2`, ..., `strN`.",
+ usage = "_FUNC_(str1, str2, ..., strN) - Returns the concatenation of str1, str2, ..., strN.",
extended = """
Examples:
- > SELECT _FUNC_('Spark','SQL');
+ > SELECT _FUNC_('Spark', 'SQL');
SparkSQL
""")
-// scalastyle:on line.size.limit
case class Concat(children: Seq[Expression]) extends Expression with ImplicitCastInputTypes {
override def inputTypes: Seq[AbstractDataType] = Seq.fill(children.size)(StringType)
@@ -89,8 +87,8 @@ case class Concat(children: Seq[Expression]) extends Expression with ImplicitCas
usage = "_FUNC_(sep, [str | array(str)]+) - Returns the concatenation of the strings separated by `sep`.",
extended = """
Examples:
- > SELECT _FUNC_(' ', Spark', 'SQL');
- Spark SQL
+ > SELECT _FUNC_(' ', 'Spark', 'SQL');
+ Spark SQL
""")
// scalastyle:on line.size.limit
case class ConcatWs(children: Seq[Expression])
--
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