Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/16209#discussion_r107607034 --- Diff: docs/sql-programming-guide.md --- @@ -1223,6 +1223,13 @@ the following case-insensitive options: This is a JDBC writer related option. If specified, this option allows setting of database-specific table and partition options when creating a table (e.g., <code>CREATE TABLE t (name string) ENGINE=InnoDB.</code>). This option applies only to writing. </td> </tr> + + <tr> + <td><code>createTableColumnTypes</code></td> + <td> + The database column data types to use instead of the defaults, when creating the table. Data type information should be specified in the same format as CREATE TABLE columns syntax (e.g: <code>"name CHAR(64), comments VARCHAR(1024)")</code>. The specified types should be valid spark sql data types. This option applies only to writing. --- End diff -- `The specified types should be valid spark sql data types`? What it means?
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