[ASTERIXDB-3489] Array slicing support is incomplete

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Component/s: COMP - Compiler
• Labels: triaged
• Assignee: Ali Alsuliman
• Reporter: Ali Alsuliman
• Created: 21/Aug/24 23:03
• Updated: 23/Aug/24 17:05
• Resolved: 23/Aug/24 17:05

Description

The syntax for array accesses is:

PathExpression ::= PrimaryExpression ( Field | Index )*
Field ::= "." Identifier
Index ::= "[" Expression (":" ( Expression )? )? "]"

It's Python-inspired but misses part of what you can do there, e.g., arr[5:] is supported but arr[:5] is not.