[CALCITE-3250] Support nested collection type for SqlDataTypeSpec

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.20.0
• Fix Version/s: 1.21.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Danny Chen
• Reporter: Danny Chen
• Created: 14/Aug/19 08:53
• Updated: 10/Sep/19 21:37
• Resolved: 15/Aug/19 12:51

Description

According to SQL-2011, collection type can be nested:

<array type> ::=
  <data type> ARRAY [ <left bracket or trigraph> <maximum cardinality> <right bracket or trigraph> ]

<maximum cardinality> ::=
  <unsigned integer>

Example:

int array array;
int multiset array;

Issue Links

• links to: GitHub Pull Request #1382