Juliusz Sompolski created SPARK-19948:
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Summary: Document that saveAsTable uses catalog as source of truth
for table existence.
Key: SPARK-19948
URL: https://issues.apache.org/jira/browse/SPARK-19948
Project: Spark
Issue Type: Documentation
Components: Documentation
Affects Versions: 2.1.0
Reporter: Juliusz Sompolski
It is quirky behaviour that saveAsTable to e.g. a JDBC source with SaveMode
other than Overwrite will nevertheless overwrite the table in the external
source,if that table was not a catalog table.
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