ramitg254 commented on code in PR #5715:
URL: https://github.com/apache/hive/pull/5715#discussion_r2042698450
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parser/src/java/org/apache/hadoop/hive/ql/parse/AlterClauseParser.g:
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@@ -209,6 +210,13 @@ alterStatementSuffixAddCol
-> ^(TOK_ALTERTABLE_REPLACECOLS columnNameTypeList
restrictOrCascade?)
;
+alterStatementSuffixDropCol
+@init { gParent.pushMsg("drop column statement", state); }
+@after { gParent.popMsg(state); }
+ : KW_DROP KW_COLUMN ifExists? columnName restrictOrCascade?
+ -> ^(TOK_ALTERTABLE_DROPCOL ifExists? columnName restrictOrCascade?)
Review Comment:
there is test for cascade added when using `desc formatted table` and `desc
formatted table partition (something)` yield different results for columns
present when a column is dropped without cascade as in case of specific
partition it also contains dropped column in case normal hive tables;
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