Raghav Aggarwal created HIVE-29610:
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Summary: Add support for SQL wildcards (% and _) in SHOW COLUMNS
aligning with other SHOW commands
Key: HIVE-29610
URL: https://issues.apache.org/jira/browse/HIVE-29610
Project: Hive
Issue Type: Bug
Reporter: Raghav Aggarwal
Assignee: Raghav Aggarwal
Currently, _SHOW COLUMNS_ uses a manual string replacement for the _*_ wildcard
and fails to support standard SQL wildcards ({_}%{_} and _). This creates an
inconsistent experience compared to _SHOW TABLES_ or {_}SHOW DATABASES{_}. This
change refactors _ShowColumnsOperation.java_ to use the centralized _UDFLike_
translation engine, enabling modern SQL wildcards while preserving legacy glob
support
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