[FLINK-21984] Change precision argument from optional to required in TO_TIMESTAMP_LTZ(numeric, precision)

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.13.0
• Fix Version/s: 1.13.0
• Component/s: Table SQL / Planner
• Labels: pull-request-available
• Assignee: Leonard Xu
• Reporter: Leonard Xu
• Created: 26/Mar/21 03:30
• Updated: 27/Mar/21 08:08
• Resolved: 27/Mar/21 08:08

Description

To avoid the confusing the numeric value is in second or millisecond, we'd better set the precision argument to required. The background is that `LocalZonedTimestampType` always treats `Integer` conversion class as second, treats `Long` as millisecond. 

Issue Links

• links to: GitHub Pull Request #15379