Ryan Blue created SPARK-27386:
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Summary: Improve partition transform parsing
Key: SPARK-27386
URL: https://issues.apache.org/jira/browse/SPARK-27386
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.0.0
Reporter: Ryan Blue
SPARK-27181 adds support to the SQL parser for transformation functions in the
{{PARTITION BY}} clause. The rules to match this are specific to transforms and
can match only literals or qualified names (field references). This should be
improved to match a broader set of expressions so that Spark can produce better
error messages than an expected symbol list.
For example, {{PARTITION BY (2 + 3)}} should produce "invalid transformation
expression: 2 + 3" instead of "expecting qualified name".
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