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Posted to commits@spark.apache.org by ya...@apache.org on 2021/01/06 12:15:29 UTC
[spark] branch master updated: [SPARK-33977][SQL][DOCS] Add doc for
"'like any' and 'like all' operators"
This is an automated email from the ASF dual-hosted git repository.
yamamuro pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/spark.git
The following commit(s) were added to refs/heads/master by this push:
new 6788304 [SPARK-33977][SQL][DOCS] Add doc for "'like any' and 'like all' operators"
6788304 is described below
commit 6788304240c416d173ebdb3d544f3361c6b9fe8e
Author: gengjiaan <ge...@360.cn>
AuthorDate: Wed Jan 6 21:14:45 2021 +0900
[SPARK-33977][SQL][DOCS] Add doc for "'like any' and 'like all' operators"
### What changes were proposed in this pull request?
Add doc for 'like any' and 'like all' operators in sql-ref-syntx-qry-select-like.cmd
### Why are the changes needed?
make the usage of 'like any' and 'like all' known to more users
### Does this PR introduce _any_ user-facing change?
Yes.
<img width="687" alt="Screen Shot 2021-01-06 at 21 10 38" src="https://user-images.githubusercontent.com/692303/103767385-dc1ffb80-5063-11eb-9529-89479531425f.png">
<img width="495" alt="Screen Shot 2021-01-06 at 21 11 06" src="https://user-images.githubusercontent.com/692303/103767391-dde9bf00-5063-11eb-82ce-63bdd11593a1.png">
<img width="406" alt="Screen Shot 2021-01-06 at 21 11 20" src="https://user-images.githubusercontent.com/692303/103767396-df1aec00-5063-11eb-8e81-a192e6c72431.png">
### How was this patch tested?
No tests
Closes #31008 from beliefer/SPARK-33977.
Lead-authored-by: gengjiaan <ge...@360.cn>
Co-authored-by: beliefer <be...@163.com>
Signed-off-by: Takeshi Yamamuro <ya...@apache.org>
---
docs/sql-ref-syntax-qry-select-like.md | 60 +++++++++++++++++++++++++++++++++-
1 file changed, 59 insertions(+), 1 deletion(-)
diff --git a/docs/sql-ref-syntax-qry-select-like.md b/docs/sql-ref-syntax-qry-select-like.md
index 6211faa8..3604a9b 100644
--- a/docs/sql-ref-syntax-qry-select-like.md
+++ b/docs/sql-ref-syntax-qry-select-like.md
@@ -21,12 +21,14 @@ license: |
### Description
-A LIKE predicate is used to search for a specific pattern.
+A LIKE predicate is used to search for a specific pattern. This predicate also supports multiple patterns with quantifiers include `ANY`, `SOME` and `ALL`.
### Syntax
```sql
[ NOT ] { LIKE search_pattern [ ESCAPE esc_char ] | [ RLIKE | REGEXP ] regex_pattern }
+
+[ NOT ] { LIKE quantifiers ( search_pattern [ , ... ]) }
```
### Parameters
@@ -45,6 +47,10 @@ A LIKE predicate is used to search for a specific pattern.
* **regex_pattern**
Specifies a regular expression search pattern to be searched by the `RLIKE` or `REGEXP` clause.
+
+* **quantifiers**
+
+ Specifies the predicate quantifiers include `ANY`, `SOME` and `ALL`. `ANY` or `SOME` means if one of the patterns matches the input, then return true; `ALL` means if all the patterns matches the input, then return true.
### Examples
@@ -111,6 +117,58 @@ SELECT * FROM person WHERE name LIKE '%$_%' ESCAPE '$';
+---+------+---+
|500|Evan_W| 16|
+---+------+---+
+
+SELECT * FROM person WHERE name LIKE ALL ('%an%', '%an');
++---+----+----+
+| id|name| age|
++---+----+----+
+|400| Dan| 50|
++---+----+----+
+
+SELECT * FROM person WHERE name LIKE ANY ('%an%', '%an');
++---+------+---+
+| id| name|age|
++---+------+---+
+|400| Dan| 50|
+|500|Evan_W| 16|
++---+------+---+
+
+SELECT * FROM person WHERE name LIKE SOME ('%an%', '%an');
++---+------+---+
+| id| name|age|
++---+------+---+
+|400| Dan| 50|
+|500|Evan_W| 16|
++---+------+---+
+
+SELECT * FROM person WHERE name NOT LIKE ALL ('%an%', '%an');
++---+----+----+
+| id|name| age|
++---+----+----+
+|100|John| 30|
+|200|Mary|null|
+|300|Mike| 80|
++---+----+----+
+
+SELECT * FROM person WHERE name NOT LIKE ANY ('%an%', '%an');
++---+------+----+
+| id| name| age|
++---+------+----+
+|100| John| 30|
+|200| Mary|null|
+|300| Mike| 80|
+|500|Evan_W| 16|
++---+------+----+
+
+SELECT * FROM person WHERE name NOT LIKE SOME ('%an%', '%an');
++---+------+----+
+| id| name| age|
++---+------+----+
+|100| John| 30|
+|200| Mary|null|
+|300| Mike| 80|
+|500|Evan_W| 16|
++---+------+----+
```
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