Skip to content

ebnf show indexes #17085

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 3 commits into from
Apr 22, 2024
Merged

ebnf show indexes #17085

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
963b698
ebnf show indexes
dveeden Apr 9, 2024
2ca5502
Update sql-statements/sql-statement-show-indexes.md
dveeden Apr 9, 2024
95941e8
Update sql-statements/sql-statement-show-indexes.md
dveeden Apr 9, 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
29 changes: 11 additions & 18 deletions sql-statements/sql-statement-show-indexes.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,25 +10,14 @@ The statement `SHOW INDEXES [FROM|IN]` lists the indexes on a specified table. T

## Synopsis

**ShowIndexStmt:**
```ebnf+diagram
ShowIndexStmt ::=
"SHOW" ( "INDEX" | "INDEXES" | "KEYS" ) ("FROM" | "IN" ) TableName (("FROM" | "IN") SchemaName )? ShowLikeOrWhereOpt?

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

**ShowIndexKwd:**

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

**FromOrIn:**

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

**TableName:**

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

**ShowLikeOrWhereOpt:**

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

## Examples

Expand Down Expand Up @@ -73,3 +62,7 @@ The `SHOW INDEXES [FROM|IN]` statement in TiDB is fully compatible with MySQL. I
* [SHOW CREATE TABLE](/sql-statements/sql-statement-show-create-table.md)
* [DROP INDEX](/sql-statements/sql-statement-drop-index.md)
* [CREATE INDEX](/sql-statements/sql-statement-create-index.md)
* [`information_schema.TIDB_INDEXES`](/information-schema/information-schema-tidb-indexes.md)
* [`information_schema.TIDB_INDEX_USAGE`](/information-schema/information-schema-tidb-index-usage.md)
* [`information_schema.KEY_COLUMN_USAGE`](/information-schema/information-schema-key-column-usage.md)
* [`sys.schema_unused_indexes`](/sys-schema/sys-schema-unused-indexes.md)