allisonwang-db commented on code in PR #41316:
URL: https://github.com/apache/spark/pull/41316#discussion_r1223393558
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python/pyspark/worker.py:
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@@ -456,6 +456,73 @@ def assign_cols_by_name(runner_conf):
)
+# Read and process a serialized user-defined table function (UDTF) from a
socket.
+# It expects the UDTF to be in a specific format and performs various checks to
+# ensure the UDTF is valid. This function also prepares a mapper function for
applying
+# the UDTF logic to input rows.
+def read_udtf(pickleSer, infile, eval_type):
+ num_udtfs = read_int(infile)
+ if num_udtfs != 1:
+ raise RuntimeError("Got more than 1 UDTF")
Review Comment:
Good suggestion. We need to serialize the UDTF name as well. I will create a
follow-up task for this.
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