Allison Portis created SPARK-44313:
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Summary: Generated column expression validation fails if there is
a char/varchar column anywhere in the schema
Key: SPARK-44313
URL: https://issues.apache.org/jira/browse/SPARK-44313
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.4.1, 3.4.0
Reporter: Allison Portis
When validating generated column expressions, this call
https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/GeneratedColumn.scala#L123
to checkAnalysis fails when there are char or varchar columns anywhere in the
schema.
For example, this query will fail
{code:java}
CREATE TABLE default.example (
name VARCHAR(64),
tstamp TIMESTAMP,
tstamp_date DATE GENERATED ALWAYS AS (CAST(tstamp as DATE))
){code}
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