Create interval partition not report error when partition numbers exceed limit number

[Defined2014]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

CREATE TABLE employees (
    id int unsigned NOT NULL
) PARTITION BY RANGE (id) INTERVAL (1) FIRST PARTITION LESS THAN (1) LAST PARTITION LESS THAN (81920);

2. What did you expect to see? (Required)

report error

3. What did you see instead (Required)

no error, created a table with 8192 partitions.

4. What is your TiDB version? (Required)

[Defined2014]

@mjonss Do you think it's a bug or not? Should we fix it?

[mjonss]

@mjonss Do you think it's a bug or not? Should we fix it?

I consider it to be a bug, I propose to return an error instead of creating a table with one partition less than requested.