[DMS-818] Relational flattening performance spike #713
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Outdated suggestions cannot be applied.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.
I took the existing joins-based query, which was 20% slower than original on my machine, and gave it to Claude Code after plugging in this PostgreSQL MCP. He turned it into something 2.5x faster than original.
So, I gave him the existing views-based query, which was 12% slower for me, and he made something 2.9x faster than original.
I would describe the level of effort for both of these optimizations to be very low. I was mostly eating pizza and typing with one hand, and know nothing about query optimization. Obviously, this piggybacked on the original effort of @simpat-adam