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Running fold to perform a row sum gives an error code DateExpected. #79

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Dan-C-Reed opened this issue Jun 22, 2023 · 0 comments · Fixed by #271
Closed

Running fold to perform a row sum gives an error code DateExpected. #79

Dan-C-Reed opened this issue Jun 22, 2023 · 0 comments · Fixed by #271
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bug Something isn't working

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@Dan-C-Reed
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Have you tried latest version of polars?

  • [yes]✓
  • [no]

If the problem was resolved, please update polars. :)

What version of polars are you using?

0.7.4

What operating system are you using polars on?

macOS

What node version are you using

20.3.0

Describe your bug.

Running fold to perform a row sum gives an error code DateExpected.

What are the steps to reproduce the behavior?

import('nodejs-polars').then(mod => {pl = mod})
df = pl.DataFrame({
    "a": [1, 2, 3],
    "b": [1, 2, 3],
    "c": [1, 2, 3]
});
df.fold((s1, s2) => s1.plus(s2))

What is the actual behavior?

Uncaught Error
    at dtypeWrap (xxx/node_modules/nodejs-polars/bin/series/index.js:29:65)
    at Proxy.plus (xxx/node_modules/nodejs-polars/bin/series/index.js:428:20)
    at REPL3:1:24
    at xxx/node_modules/nodejs-polars/bin/dataframe.js:166:60
    at Array.reduce (<anonymous>)
    at Proxy.fold (xxx/node_modules/nodejs-polars/bin/dataframe.js:166:38) {
  code: 'DateExpected'
}

What is the expected behavior?

Series: 'a' [f64]
[
    3
    6
    9
]
@Dan-C-Reed Dan-C-Reed added the bug Something isn't working label Jun 22, 2023
@Bidek56 Bidek56 mentioned this issue Sep 18, 2024
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Fixing series fold Bidek56/nodejs-polars
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@Dan-C-Reed