[jira] [Created] (SPARK-16402) JDBC source: Implement save API

["Xiao Li (JIRA)" <ji...@apache.org>]

Xiao Li created SPARK-16402:
-------------------------------

             Summary: JDBC source: Implement save API
                 Key: SPARK-16402
                 URL: https://issues.apache.org/jira/browse/SPARK-16402
             Project: Spark
          Issue Type: New Feature
          Components: SQL
    Affects Versions: 2.0.0
            Reporter: Xiao Li


Currently, we are unable to call the `save` API of `DataFrameWriter` when the source is JDBC. For example, 
{noformat}
df.write
  .format("jdbc")
  .option("url", url1)
  .option("dbtable", "TEST.TRUNCATETEST")
  .option("user", "testUser")
  .option("password", "testPass")
  .save() 
{noformat}
The error message users will get is like
{noformat}
org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider does not allow create table as select.
java.lang.RuntimeException: org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider does not allow create table as select.
{noformat}

However, the `save` API is very common for all the data sources, like parquet.



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