yesodweb / yesodweb/persistent

`insertMany` does not work on tables that only have an "id" column

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#974 3 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Haskell
Stars
486
Forks
306
PR merge metrics
No merged PRs in 30d

Description

It generates the following:

INSERT INTO "table_name"() VALUES () RETURNING "id";

And the empty () is unfortunately not valid PostgreSQL.

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  4. Open a pull request that references the issue number.

Research direction

Start by locating the Haskell implementation of insertMany and the PostgreSQL SQL generation that produces the shown statement. Reproduce the case with a table containing only an id column, then verify that the generated SQL is valid PostgreSQL and that the relevant test passes.

Written by the indexing model from the issue text.

Assessment

Tech stack
haskell, postgresql
Domain
databases
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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