[FLINK-16881] use Catalog's total size info in planner

• Type: New Feature
• Status: Open
• Priority: Not a Priority
• Resolution: Unresolved
• Component/s: Table SQL / Planner
• Labels: auto-deprioritized-major auto-deprioritized-minor
• Assignee: Unassigned
• Reporter: godfrey he
• Created: 31/Mar/20 08:39
• Updated: 16/Nov/21 22:38

Description

in some case, Catalog only contains totalSize and row count is unknown. we also can use totalSize to infer row count, or even use totalSize to decide whether the join is broadcast join