[CASSANDRA-7396] Allow selecting Map values and Set elements

• Type: New Feature
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.0
• Component/s: Legacy/CQL
• Labels: cql docs-impacting
• Assignee: Sylvain Lebresne
• Reporter: Jonathan Ellis

Authors

Sylvain Lebresne

Reviewers

Robert Stupp

• Tester: Philip Thompson
• Created: 12/Jun/14 19:51
• Updated: 16/Apr/19 09:31
• Resolved: 01/Jun/17 15:20

Description

Allow "SELECT map['key]" and "SELECT list[index]." (Selecting a UDT subfield is already supported.)

Issue Links

• is blocked by: CASSANDRA-8099 Refactor and modernize the storage engine
• is depended upon by: CASSANDRA-8877 Ability to read the TTL and WRITE TIME of an element in a collection
• is depended upon by: CASSANDRA-10783 Allow literal value as parameter of UDF & UDA
• is duplicated by: CASSANDRA-6429 CQL3 SELECT improvements for collections
• is duplicated by: CASSANDRA-8079 Query specific keys from the map type
• relates to: CASSANDRA-7826 support non-frozen, nested collections
• links to: Git branch / proof-of-concept