Dmitry Lychagin created ASTERIXDB-2434:
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Summary: Set operator execution mode right before invoking
EnforceStructuralPropertiesRule
Key: ASTERIXDB-2434
URL: https://issues.apache.org/jira/browse/ASTERIXDB-2434
Project: Apache AsterixDB
Issue Type: Bug
Components: COMP - Compiler
Reporter: Dmitry Lychagin
Assignee: Dmitry Lychagin
Computation of required child properties for some operators (UnionAll, for
example) depends on the execution mode of its children
(OperatorPropertiesUtil.checkUnpartitionedAndGetPropertiesVector()). Therefore
it's important to have correct execution mode for all operators at that time.
We invoke SetExecutionModeRule during logical rewrites, but by the time
EnforceStructuralPropertiesRule is invoked there might be new operators in the
plan. We need to invoke SetExecutionModeRule right before
EnforceStructuralPropertiesRule to guarantee that execution mode is properly
set for all operators.
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