MagicStack / MagicStack/asyncpg
SELECT within COPY statement does not have parameters substituted.
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- Dominant language
- Python
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Description
In the following:
```sql
COPY FROM ( SELECT a FROM t WHERE id>$1) TO '/dev/null'
```
The `$1` won't be considered a parameter, which it should be.
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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.
Research direction
Start by reproducing the provided COPY FROM (SELECT ...) example against PostgreSQL and trace how parameters are handled in that statement. Done means the $1 placeholder inside the SELECT is recognized and substituted as expected.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- postgresql, python
- Domain
- databases
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100