Xinyi Yu created SPARK-38650:
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Summary: Better ParseException message for char without length
Key: SPARK-38650
URL: https://issues.apache.org/jira/browse/SPARK-38650
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.3.0
Reporter: Xinyi Yu
We support char and varchar types. But when users input the type without
length, the message is confusing and not helpful at all:
{code:sql}
> SELECT cast('a' as CHAR)
DataType char is not supported.(line 1, pos 19)
== SQL ==
SELECT cast('a' AS CHAR)
-------------------^^^{code}
This ticket would like to improve the error message for these special cases to:
{code:java}
Datatype char requires a length parameter, for example char(10). Please specify
the length.{code}
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