Omega359 commented on issue #14008:
URL: https://github.com/apache/datafusion/issues/14008#issuecomment-2629085175
I just upgraded my project to latest main from DF 42. The primary
compilation and test suite issues I encountered after setting
`datafusion.execution.parquet.schema_force_view_types` -> false (I'm going to
fix all my .as_string_array(..) and utf8 datatype assumptions later):
utf8view, i32 comparison no longer worked
```
.with_column(
STRING_FIELD,
when(col(STRING_FIELD).eq(lit(83)),
lit(82)).otherwise(col(STRING_FIELD))?,
)?
```
switching to the obvious change below worked
```
.with_column(
STRING_FIELD,
when(col(STRING_FIELD).eq(lit("83")),
lit("82")).otherwise(col(STRING_FIELD))?,
)?
```
i32 -> utf8view coercion in udf's stopped working. For example:
`regexp_like(field_a, '[^0-9]')` where field_a is an int field. changed to
`regexp_like(field_a::varchar, '[^0-9]')`
Auto coercion of date/timestamp to utf8 no longer worked. I had to update my
code to use `to_char` function to properly write out the date/timestamp. Not a
bad thing really.
I'll likely do a full data run with this early next week.
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