Skip to content
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

Jump to bottom

sql: clarify unsupported behavior in generated column #1997

Merged
merged 2 commits into from
Mar 11, 2020
Merged

sql: clarify unsupported behavior in generated column #1997

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
1461eea
sql: clarify unsupported behavior in generated column
Deardrops Mar 11, 2020
7370f19
Merge branch 'master' into gc-dev
TomShawn Mar 11, 2020
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: 2 additions & 0 deletions reference/sql/generated-columns.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -80,4 +80,6 @@ CREATE TABLE person (
The current limitations of JSON and generated columns are as follows:

- You cannot add the generated column in the storage type of `STORED` through `ALTER TABLE`.
- You can neither convert a generated stored column to a normal column through the `ALTER TABLE` statement nor convert a normal column to a generated stored column.
- You cannot modify the **expression** of a generated stored column through the `ALTER TABLE` statement.
- Not all [JSON functions](/reference/sql/functions-and-operators/json-functions.md) are supported.