Query: optimize arithmetic operation on constants
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 35/100
Research direction
Start by tracing the SqlServer Substring translation described in the issue and locate where the generated SQL expression is assembled. Verify the change by checking that an expression such as 1 + 1 is emitted as 2 in the resulting SQL; no file or test is named in the issue.
Written by the indexing model from the issue text.
Description
Currently when we translate Substring on SqlServer into something like this:
SUBSTRING([c].[ContactName], 1 + 1, 3)
we should simplify 1+1 into 2
- Dominant language
- C#
- Stars
- 14.8k
- Forks
- 3.4k
- Avg merge
- 2d 5h
- Merged PRs (30d)
- 134
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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