HIVE-29786: Support SELECT * EXCLUDE syntax for column omission - #6665
Open
Aggarwal-Raghav wants to merge 1 commit into
Open
HIVE-29786: Support SELECT * EXCLUDE syntax for column omission#6665Aggarwal-Raghav wants to merge 1 commit into
Aggarwal-Raghav wants to merge 1 commit into
Conversation
Aggarwal-Raghav
force-pushed
the
HIVE-29786
branch
from
July 31, 2026 17:29
ef44869 to
d1a50e2
Compare
|
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.



What changes were proposed in this pull request?
To add support for exclusion of cols from wide table
Why are the changes needed?
When querying wide tables, users often want to select almost all columns while exclusing a few like PI (personal information) columns. QueryEngines like Snowflake, DuckDB, BigQuery etc. support this feauture
DuckDB: https://duckdb.org/docs/sql/query_syntax/select.html#exclude-and-replace
SELECT * EXCLUDE (col_name)Snowflake: https://docs.snowflake.com/en/sql-reference/sql/select#parameters
SELECT * EXCLUDE (col_name)BigQuery: https://docs.cloud.google.com/bigquery/docs/reference/standard-sql/query-syntax#select_except
SELECT * EXCEPT(col_name)Does this PR introduce any user-facing change?
Yes, introduces a new
SELECT * EXCLUDE(col_name) FROM tblandSELECT a.* EXCLUDE (col_name) FROM tblsyntaxHow was this patch tested?
Wrote a q file