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Posted to commits@spark.apache.org by gu...@apache.org on 2021/01/28 05:08:17 UTC
[spark] branch branch-2.4 updated: [SPARK-34268][SQL][DOCS] Correct
the documentation of the concat_ws function
This is an automated email from the ASF dual-hosted git repository.
gurwls223 pushed a commit to branch branch-2.4
in repository https://gitbox.apache.org/repos/asf/spark.git
The following commit(s) were added to refs/heads/branch-2.4 by this push:
new 86eb199 [SPARK-34268][SQL][DOCS] Correct the documentation of the concat_ws function
86eb199 is described below
commit 86eb199a12447e67969e136a7f61a45544c22e5a
Author: Yuming Wang <yu...@ebay.com>
AuthorDate: Thu Jan 28 14:06:36 2021 +0900
[SPARK-34268][SQL][DOCS] Correct the documentation of the concat_ws function
### What changes were proposed in this pull request?
This pr correct the documentation of the `concat_ws` function.
### Why are the changes needed?
`concat_ws` doesn't need any str or array(str) arguments:
```
scala> sql("""select concat_ws("s")""").show
+------------+
|concat_ws(s)|
+------------+
| |
+------------+
```
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
```
build/sbt "sql/testOnly *.ExpressionInfoSuite"
```
Closes #31370 from wangyum/SPARK-34268.
Authored-by: Yuming Wang <yu...@ebay.com>
Signed-off-by: HyukjinKwon <gu...@apache.org>
(cherry picked from commit 01d11da84ef7c3abbfd1072c421505589ac1e9b2)
Signed-off-by: HyukjinKwon <gu...@apache.org>
---
.../org/apache/spark/sql/catalyst/expressions/stringExpressions.scala | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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 f0c3208..17e368f 100755
--- 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
@@ -45,11 +45,13 @@ import org.apache.spark.unsafe.types.{ByteArray, UTF8String}
*/
// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_(sep, [str | array(str)]+) - Returns the concatenation of the strings separated by `sep`.",
+ usage = "_FUNC_(sep[, str | array(str)]+) - Returns the concatenation of the strings separated by `sep`.",
examples = """
Examples:
> SELECT _FUNC_(' ', 'Spark', 'SQL');
Spark SQL
+ > SELECT _FUNC_('s');
+
""",
since = "1.5.0")
// scalastyle:on line.size.limit
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