Skip to content

ebnf show stats_histograms #17051

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ti-chi-bot merged 2 commits into from
Apr 15, 2024
Merged

ebnf show stats_histograms #17051

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
77707e6
ebnf show stats_histograms
dveeden Apr 8, 2024
35b80ca
add alias
hfxsd Apr 15, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion TOC-tidb-cloud.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -472,7 +472,7 @@
- [`SHOW PROFILES`](/sql-statements/sql-statement-show-profiles.md)
- [`SHOW SCHEMAS`](/sql-statements/sql-statement-show-schemas.md)
- [`SHOW STATS_HEALTHY`](/sql-statements/sql-statement-show-stats-healthy.md)
- [`SHOW STATS_HISTOGRAMS`](/sql-statements/sql-statement-show-histograms.md)
- [`SHOW STATS_HISTOGRAMS`](/sql-statements/sql-statement-show-stats-histograms.md)
- [`SHOW STATS_LOCKED`](/sql-statements/sql-statement-show-stats-locked.md)
- [`SHOW STATS_META`](/sql-statements/sql-statement-show-stats-meta.md)
- [`SHOW STATUS`](/sql-statements/sql-statement-show-status.md)
Expand Down
2 changes: 1 addition & 1 deletion TOC.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -846,7 +846,7 @@
- [`SHOW PUMP STATUS`](/sql-statements/sql-statement-show-pump-status.md)
- [`SHOW SCHEMAS`](/sql-statements/sql-statement-show-schemas.md)
- [`SHOW STATS_HEALTHY`](/sql-statements/sql-statement-show-stats-healthy.md)
- [`SHOW STATS_HISTOGRAMS`](/sql-statements/sql-statement-show-histograms.md)
- [`SHOW STATS_HISTOGRAMS`](/sql-statements/sql-statement-show-stats-histograms.md)
- [`SHOW STATS_LOCKED`](/sql-statements/sql-statement-show-stats-locked.md)
- [`SHOW STATS_META`](/sql-statements/sql-statement-show-stats-meta.md)
- [`SHOW STATUS`](/sql-statements/sql-statement-show-status.md)
Expand Down
29 changes: 11 additions & 18 deletions ...atements/sql-statement-show-histograms.md → ...ts/sql-statement-show-stats-histograms.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,33 +1,28 @@
---
title: SHOW STATS_HISTOGRAMS
summary: An overview of the usage of SHOW HISTOGRAMS for TiDB database.
aliases: ['/docs/dev/sql-statements/sql-statement-show-histograms/']
aliases: ['/docs/dev/sql-statements/sql-statement-show-histograms/','/tidb/dev/sql-statement-show-histograms']
---

Comment thread
hfxsd marked this conversation as resolved.
# SHOW STATS_HISTOGRAMS

This statement shows the histogram information collected by the `ANALYZE` statement.
This statement shows the histogram information collected by the [`ANALYZE` statement](/sql-statements/sql-statement-analyze-table.md) as part of database [statistics](/statistics.md).

## Synopsis

**ShowStmt**
```ebnf+diagram
ShowStatsHistogramsStmt ::=
"SHOW" "STATS_HISTOGRAMS" ShowLikeOrWhere?

![ShowStmt](/media/sqlgram/ShowStmt.png)

**ShowTargetFiltertable**

![ShowTargetFilterable](/media/sqlgram/ShowTargetFilterable.png)

**ShowLikeOrWhereOpt**

![ShowLikeOrWhereOpt](/media/sqlgram/ShowLikeOrWhereOpt.png)
ShowLikeOrWhere ::=
"LIKE" SimpleExpr
| "WHERE" Expression
```

## Examples

{{< copyable "sql" >}}

```sql
show stats_histograms;
SHOW STATS_HISTOGRAMS;
```

```sql
Expand All @@ -41,10 +36,8 @@ show stats_histograms;
3 rows in set (0.00 sec)
```

{{< copyable "sql" >}}

```sql
show stats_histograms where table_name = 't2';
SHOW STATS_HISTOGRAMS WHERE table_name = 't2';
```

```sql
Expand Down