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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/10/01 18:24:10 UTC
[GitHub] [spark] shivusondur commented on a change in pull request #25561:
[SPARK-28810][DOC][SQL] Document SHOW TABLES in SQL Reference.
shivusondur commented on a change in pull request #25561: [SPARK-28810][DOC][SQL] Document SHOW TABLES in SQL Reference.
URL: https://github.com/apache/spark/pull/25561#discussion_r330205529
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File path: docs/sql-ref-syntax-aux-show-tables.md
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@@ -18,5 +18,86 @@ license: |
See the License for the specific language governing permissions and
limitations under the License.
---
+### Description
-**This page is under construction**
+`SHOW TABLES` statement returns all the tables for an optionally specified `database`.
+Additionally, the output of this statement may be filtered via an optional matching
+pattern. If no database is specified then the tables are returned from the
+current database.
+
+### Syntax
+{% highlight sql %}
+SHOW TABLES [{FROM|IN} database_name] [LIKE 'regex_pattern']
+{% endhighlight %}
+
+### Parameters
+<dl>
+ <dt><code><em>{FROM|IN} database_name</em></code></dt>
+ <dd>
+ Specifies the `database` name from which tables are listed.
+ </dd>
+ <dt><code><em>LIKE 'regex_pattern'</em></code></dt>
+ <dd>
+ Specifies the regex pattern that is used to filter out unwanted tables.
+ <br> - Only `*` and `|` are allowed as wildcard pattern.
Review comment:
@srowen @dilipbiswal
Thank you both for your time in reviewing.
I updated according to your suggestion and screenshot also I updated.
Now it will look like below.
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