Skip to content

Fix typos in partitioned-table.md (#10905) #10921

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 1 commit into from
Oct 19, 2022
Merged

Fix typos in partitioned-table.md (#10905) #10921

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
6 changes: 3 additions & 3 deletions partitioned-table.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -799,7 +799,7 @@ The optimizer can prune partitions through `WHERE` conditions in the following t
create table t (id int) partition by range (id) (
partition p0 values less than (5),
partition p1 values less than (10));
select * from t where t > 6;
select * from t where id > 6;
```

Or the partition expression is in the form of `fn(col)` where `fn` is `to_days`:
Expand All @@ -810,7 +810,7 @@ The optimizer can prune partitions through `WHERE` conditions in the following t
create table t (dt datetime) partition by range (to_days(id)) (
partition p0 values less than (to_days('2020-04-01')),
partition p1 values less than (to_days('2020-05-01')));
select * from t where t > '2020-04-18';
select * from t where dt > '2020-04-18';
```

An exception is `floor(unix_timestamp())` as the partition expression. TiDB does some optimization for that case by case, so it is supported by partition pruning.
Expand All @@ -822,7 +822,7 @@ The optimizer can prune partitions through `WHERE` conditions in the following t
partition by range (floor(unix_timestamp(ts))) (
partition p0 values less than (unix_timestamp('2020-04-01 00:00:00')),
partition p1 values less than (unix_timestamp('2020-05-01 00:00:00')));
select * from t where t > '2020-04-18 02:00:42.123';
select * from t where ts > '2020-04-18 02:00:42.123';
```

## Partition selection
Expand Down