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jay-johnson/Polars Rust - Convert DataFrame Epoch Column in Milliseconds (i64) to a UTC date-formatted string

Last active November 15, 2022 18:57
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  1. jay-johnson renamed this gist Nov 15, 2022. 1 changed file with 0 additions and 0 deletions.
    0 ...lliseconds to a UTC date-formatted string → ...onds (i64) to a UTC date-formatted string
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  2. jay-johnson renamed this gist Nov 15, 2022. 1 changed file with 0 additions and 0 deletions.
    0 ...d Epoch to a UTC date-formatted string.rs → ...lliseconds to a UTC date-formatted string
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    File renamed without changes.
  3. jay-johnson renamed this gist Nov 15, 2022. 1 changed file with 0 additions and 0 deletions.
    0 gistfile1.txt → ...d Epoch to a UTC date-formatted string.rs
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  4. jay-johnson created this gist Nov 15, 2022.
    11 changes: 11 additions & 0 deletions gistfile1.txt
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,11 @@
    let date_utc_str_s: Series = Series::new(
    "date_utc_str",
    df
    .column("date")
    .unwrap()
    .cast(&DataType::Datetime(
    polars::datatypes::TimeUnit::Milliseconds,
    None))
    .unwrap()
    .strftime("%Y-%m-%dT%H:%M:%SZ")
    .unwrap());