[CALCITE-3374] Error format check result for explain plan as json

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.22.0
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: Wang Yanlin
• Created: 26/Sep/19 03:41
• Updated: 04/Oct/19 12:22
• Resolved: 28/Sep/19 02:52

Description

The format check result of explain plan as json is incorrect, as

  public boolean isJson() {
    return getFormat() == SqlExplainFormat.XML;
  }

in https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/sql/SqlExplain.java#L174

Issue Links

• links to: GitHub Pull Request #1476