Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: tidb, I_S: TABLE_ID size is 21 or 64

Bug Report
Clearly and accurately describe the issue you found. Providing any steps to reproduce the problem can help the development team address the issue promptly.
[TiDB Version] tidb-server, master
[Impact of the Bug]
[Possible Steps to Reproduce]
[Observed Unexpected Behavior]
var tableTableTiFlashTablesCols = []columnInfo{
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 64},
var tableTableTiFlashSegmentsCols = []columnInfo{
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 64},
[Expected Behavior]
The size should be 21?
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
[Related Components and Specific Versions]
[Other Background Information or Screenshots]
Such as cluster topology, system and kernel versions, application app information, etc.; if the issue is related to SQL, please provide the SQL statements and related table schema information; if there are critical errors in the node logs, please provide the relevant node log content or files; if some business-sensitive information is inconvenient to provide, please leave contact information for private communication.