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Bug when concat_ws simplified to concat #14212

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cht42 opened this issue Jan 20, 2025 · 0 comments · May be fixed by #14213
Open

Bug when concat_ws simplified to concat #14212

cht42 opened this issue Jan 20, 2025 · 0 comments · May be fixed by #14213
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bug Something isn't working

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@cht42
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cht42 commented Jan 20, 2025

Describe the bug

Using concat_ws with an emply delimiter uses the first expr as the delimiter.

To Reproduce

SELECT concat_ws('','a','b','c')
bac

Expected behavior

SELECT concat_ws('','a','b','c')
abc

Additional context

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@cht42 cht42 added the bug Something isn't working label Jan 20, 2025
@cht42 cht42 linked a pull request Jan 20, 2025 that will close this issue
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fix concat ws simplify cht42/datafusion
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@cht42