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Arina Ielchiieva updated DRILL-7306: ------------------------------------ Reviewer: Arina Ielchiieva > Disable "fast schema" batch for new scan framework > -------------------------------------------------- > > Key: DRILL-7306 > URL: https://issues.apache.org/jira/browse/DRILL-7306 > Project: Apache Drill > Issue Type: Bug > Affects Versions: 1.16.0 > Reporter: Paul Rogers > Assignee: Paul Rogers > Priority: Major > Labels: ready-to-commit > Fix For: 1.17.0 > > > The EVF framework is set up to return a "fast schema" empty batch with only > schema as its first batch because, when the code was written, it seemed > that's how we wanted operators to work. However, DRILL-7305 notes that many > operators cannot handle empty batches. > Since the empty-batch bugs show that Drill does not, in fact, provide a "fast > schema" batch, this ticket asks to disable the feature in the new scan > framework. The feature is disabled with a config option; it can be re-enabled > if ever it is needed. -- This message was sent by Atlassian JIRA (v7.6.3#76005)