[jira] [Created] (IGNITE-11839) SQL: table join order changes may lead to incorrect result

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[jira] [Created] (IGNITE-11839) SQL: table join order changes may lead to incorrect result

Anton Vinogradov (Jira)
Roman Kondakov created IGNITE-11839:
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             Summary: SQL: table join order changes may lead to incorrect result
                 Key: IGNITE-11839
                 URL: https://issues.apache.org/jira/browse/IGNITE-11839
             Project: Ignite
          Issue Type: Bug
          Components: sql
    Affects Versions: 2.7
            Reporter: Roman Kondakov
             Fix For: 2.8


Under some circumstances table join order changes may lead to incorrect result. For example if one of joining tables isĀ {{REPLICATED}} and another has {{queryparallelism > 1}}.

This problemĀ can be reproduced in test {{IgniteSqlSegmentedIndexSelfTest#testSegmentedPartitionedWithReplicated}} if swap tables {{Person}} and {{Organization}} in the method {{IgniteSqlSegmentedIndexSelfTest#checkLocalQueryWithSegmentedIndex}} and set {{enforceJoinOrder}} flag to {{true}}.



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