[FLINK-4130] CallGenerator could generate illegal code when taking no operands

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Fix Version/s: 1.1.0
• Component/s: Table SQL / API
• Assignee: Unassigned
• Reporter: Cody
• Created: 29/Jun/16 08:16
• Updated: 19/Jul/16 13:02
• Resolved: 19/Jul/16 13:02

Description

In CallGenerator, when a call takes no operands, and null check is enabled, it will generate code like:

boolean isNull$17 = ;

which will fail to compile at runtime.