Dusan Tisma created SPARK-51324:
-----------------------------------
Summary: FOR empty results throws error if nested and only
statement in body.
Key: SPARK-51324
URL: https://issues.apache.org/jira/browse/SPARK-51324
Project: Spark
Issue Type: Sub-task
Components: Spark Core
Affects Versions: 4.0.0, 4.1
Reporter: Dusan Tisma
FOR statement will currently fail if it is nested in a compound statement, is
the only statement in that body AND returns an empty result. For example:
{{BEGIN}}
{{ CREATE TABLE t (intCol INT) using parquet;}}
{{ REPEAT}}
{{ FOR SELECT * FROM t ORDER BY intCol DO}}
{{ SELECT intCol;}}
{{ END FOR;}}
{{ UNTIL 1 = 1}}
{{ END REPEAT;}}
{{END
}}
throws
{{[INTERNAL_ERROR] No more elements to iterate through in the current SQL
compound statement. SQLSTATE: XX000}}
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