[SPARK-36119][SQL] Add new SQL function to_timestamp_ltz #33318
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What changes were proposed in this pull request?
Add new SQL function
to_timestamp_ltz
syntax:
Why are the changes needed?
As the result of to_timestamp become consistent with the SQL configuration spark.sql.timestmapType and there is already a SQL function to_timestmap_ntz, we need new function to_timestamp_ltz to construct timestamp with local time zone values.
Does this PR introduce any user-facing change?
Yes, a new function for constructing timestamp with local time zone values
How was this patch tested?
Unit test