Wei Guo

[SPARK-48719][SQL] Fix the calculation bug of `RegrSlope` & `RegrIntercept` when the first parameter is null

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### What changes were proposed in this pull request? This PR aims to fix the calculation bug of `RegrSlope`&RegrIntercept` when the first parameter is null. Regardless of whether the first...

[SPARK-39901][CORE][SQL] Redesign `ignoreCorruptFiles` to make it more accurate by adding a new config `spark.files.ignoreCorruptFiles.errorClasses`

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### What changes were proposed in this pull request? As described in issue [SPARK-39901](https://issues.apache.org/jira/browse/SPARK-39901) the design of the current `ignoreCorruptFiles` feature has certain flaws. It excessively matches `IOException`s, which may...

[SPARK-48671][SQL][TESTS] Add test cases for `Hex.hex`

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### What changes were proposed in this pull request? This PR aims to add some test cases for function `Hex.hex(bytes: Array[Byte])`. ### Why are the changes needed? Supplement test cases...

[SPARK-47258][SQL] Assign names to error classes _LEGACY_ERROR_TEMP_127[0-5]

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### What changes were proposed in this pull request? This PR renames a few error classes related to usage of SHOW CREATE TABLE errors: _LEGACY_ERROR_TEMP_1270 => UNSUPPORTED_SHOW_CREATE_TABLE.ON_TEMPORARY_VIEW _LEGACY_ERROR_TEMP_1271 => UNSUPPORTED_SHOW_CREATE_TABLE.WITH_UNSUPPORTED_FEATURE...

[SPARK-49140][SQL] Widening type promotion from int/long to decimal and support custom decimal logic type for int in `AvroDeserializer`

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### What changes were proposed in this pull request? This PR aims to: 1. Widening type promotion from int/long to decimal in `AvroDeserializer`. Supported as following(Avro Type -> Spark Type):...

[SPARK-49062][SQL] Migrate XML to File Data Source V2

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### What changes were proposed in this pull request? This PR aims to Migrate XML to File Data Source V2. ### Why are the changes needed? Add v2 support for...