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Potential schema/data loss when adding table columns concurrently in Hive with HMS or Glue #14745

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findepi opened this issue Oct 25, 2022 · 0 comments
Open

Potential schema/data loss when adding table columns concurrently in Hive with HMS or Glue #14745

findepi opened this issue Oct 25, 2022 · 0 comments
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findepi commented Oct 25, 2022

Can be reproduced with io.trino.testing.BaseConnectorTest#testAddColumnConcurrently if this gets run against the right setup (see #14743 for draft of the right setup).

java.lang.AssertionError: [Rows for query [DESCRIBE test_add_column1a0swb9g7k projected with [0]]] 
Expecting:
  <(col), (col0)>
to contain exactly in any order:
  <[(col), (col0), (col1), (col2), (col3)]>
but could not find the following elements:
  <(col1), (col2), (col3)>
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@findepi