[IMPALA-6415] Impala 3 Doc: Document breaking change of alias and ordinal substitution

• Type: Documentation
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: Impala 3.0
• Component/s: Docs
• Target Version: Impala 3.0
• Epic Color: ghx-label-9
• Assignee: Zoltán Borók-Nagy
• Reporter: Zoltán Borók-Nagy
• Created: 18/Jan/18 12:36
• Updated: 21/Mar/18 23:24
• Resolved: 21/Mar/18 23:24

Description

IMPALA-5191 changed the way how Impala handles aliases and ordinals.

Impala no longer performs alias substitution in the subexpressions of GROUP BY, HAVING, and ORDER BY to be more standard conformant.

We need to update the documentation regarding to the new behavior.

 

https://gerrit.cloudera.org/#/c/9211/

Issue Links

• Blocked: IMPALA-5191 Behavior of GROUP BY, HAVING, ORDER BY with column aliases should be more standard conforming