[IOTDB-725] Support both root and ROOT

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: Core/Engine
• Labels: keyword sql
• Assignee: Unassigned
• Reporter: Tian Jiang
• Created: 29/May/20 10:57
• Updated: 29/May/20 10:57

Description

Although as keywords, "root" and "ROOT" are both acceptable by antlr, we do not ignore the case in some codes so consequently only paths starting with "root" are recognized but those starting with "ROOT" are not.