DapperLib / DapperLib/Dapper.Contrib

Dapper Contrib - Insert method throw null reference error when parameter is IEnumerable

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Dominant language
C#
Stars
293
Forks
109
PR merge metrics
No merged PRs in 30d

Description

i just update the Contrib version to 1.50.4. then my application throw a null reference error.
i test the source code,find that it must be a bug.
it will throw this exception when the parameter is IEnumerable,and when the parameter is List it will be ok.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the Contrib Insert method and reproduce the reported null reference error with an IEnumerable parameter, then compare it with the working List case. Add a regression test covering the IEnumerable input and confirm the test passes without the exception.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
backend, database
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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