[FLINK-13391] Blink-planner should not invoke deprecated getReturnType of TableSource

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 1.9.0
• Component/s: Table SQL / Planner
• Assignee: Jingsong Lee
• Reporter: Jingsong Lee
• Created: 24/Jul/19 01:41
• Updated: 01/Aug/19 10:58
• Resolved: 26/Jul/19 09:50

Description

Now, blink-planner will invoke getDataStream of InputFormatTableSource, this will invoke deprecated getReturnType method.

We should invoke getInputFormat of InputFormatTableSource to be same as flink-planner.