TXT - expressions into IS NULL predicate

Description

Nowadays CQL parses "is null predicate" using the following rule:

<null predicate> ::= <attribute name> "IS" [ "NOT" ] "NULL"

TXT is going to extend that to allow expressions. This is the new rule

<null predicate> ::= <expression> "IS" [ "NOT" ] "NULL"

Environment

None

Assignee

Unassigned

Reporter

codehaus

Triage

None

Components

Fix versions

Affects versions

Priority

Medium
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