Add a 'set comment' sub-operation to 'alter column' #344
+271
−4
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Allow 'alter column' operations to set the comment on a column:
This is a versioned migration so the column to which the comment is applied is duplicated and backfilled according to the
up
anddown
SQL supplied with the 'alter column' operation.up
anddown
default to a simple copy of the field between new and old columns.The intention is that this can be combined with a 'change type' sub-operation if there is some column metadata that should be updated as part of the type change:
Fixes #328