[SPARK-30607][SQL][PYSPARK][SPARKR] Add overlay wrappers for SparkR and PySpark #27325
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What changes were proposed in this pull request?
This PR adds:
pyspark.sql.functions.overlay
function to PySparkoverlay
function to SparkRWhy are the changes needed?
Feature parity. At the moment R and Python users can access this function only using SQL or
expr
/selectExpr
.Does this PR introduce any user-facing change?
No.
How was this patch tested?
New unit tests.