SELECT within COPY statement does not have parameters substituted.
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
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.
Description
In the following:
COPY FROM ( SELECT a FROM t WHERE id>$1) TO '/dev/null'
The $1 won't be considered a parameter, which it should be.
- Dominant language
- Python
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- Forks
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- Avg merge
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- 9
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- Read the whole issue, then the project's contributing guide.
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- Open a pull request that references the issue number.
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