[SPARK-49763] [CSV] [SQL] [Schema Detection] #48220
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babumahesh
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babumahesh
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@dongjoon-hyun @mridulm @HyukjinKwon Can you please help to review this PR. |
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Please let me know if there is anything further to be addressed for this PR. |
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We're closing this PR because it hasn't been updated in a while. This isn't a judgement on the merit of the PR in any way. It's just a way of keeping the PR queue manageable. |
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What changes were proposed in this pull request?
[CSV Reader] Add Flag to Control Inference of Time-Only Columns as String or Timestamp During Schema Detection
Why are the changes needed?
By default, Spark converts time-only columns to Timestamp type, which can lead to unintended behavior in certain use cases. This new flag will allow users to specify whether time-only columns should be inferred as Timestamp or as String.
This flag
inferStringTypeForTimeOnlyColumncan be supplied while reading the CSV files , true will infer as String, default behaviour is false and infers as timestamp.[Default/"inferStringTypeForTimeOnlyColumn" -> "false"]
["inferStringTypeForTimeOnlyColumn" -> "true"]
Does this PR introduce any user-facing change?
No
How was this patch tested?
Unit tests.
Was this patch authored or co-authored using generative AI tooling?
No