[jira] [Created] (SPARK-11953) CLONE - Sparksql-1.4.1 DataFrameWrite.jdbc() SaveMode.Append Bug

["Siva Gudavalli (JIRA)" <ji...@apache.org>]

Siva Gudavalli created SPARK-11953:
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             Summary: CLONE - Sparksql-1.4.1 DataFrameWrite.jdbc() SaveMode.Append Bug
                 Key: SPARK-11953
                 URL: https://issues.apache.org/jira/browse/SPARK-11953
             Project: Spark
          Issue Type: Bug
          Components: Java API, Spark Submit, SQL
    Affects Versions: 1.4.1, 1.5.1
         Environment: Spark stand alone cluster
            Reporter: Siva Gudavalli


I am running spark-submit in window 8.1 with spark standalone cluster (01 worker and 01 master), the job throw Exception  in DataFrameWrite.jdbc(..) scala function.
We found that the following test:
                         var tableExists = JdbcUtils.tableExists(conn, table) 
always return false event if we already created a table. 
That drive the function to do creating table from specified  DataFrame and the SQL Syntax error for creating table, we locate the SQL execution statement hereafter:
      if (!tableExists) {
        val schema = JDBCWriteDetails.schemaString(df, url)
        val sql = s"CREATE TABLE $table ($schema)"
        conn.prepareStatement(sql).executeUpdate() // This execution cause sql syntax error
      }
This happened with spark-1.4.1 and Spark-1.5.1 (our dev environment).
Please help!





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