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| author | Stephen Samuel <sam@sksamuel.com> | 2015-11-23 19:52:12 -0800 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2015-11-23 19:52:12 -0800 |
| commit | 026ea2eab1f3cde270e8a6391d002915f3e1c6e5 (patch) | |
| tree | 694b5c278f406dbcc6b9fd72faddba4a0081e97f /docs/sql-programming-guide.md | |
| parent | 105745645b12afbbc2a350518cb5853a88944183 (diff) | |
| download | spark-026ea2eab1f3cde270e8a6391d002915f3e1c6e5.tar.gz spark-026ea2eab1f3cde270e8a6391d002915f3e1c6e5.tar.bz2 spark-026ea2eab1f3cde270e8a6391d002915f3e1c6e5.zip | |
Updated sql programming guide to include jdbc fetch size
Author: Stephen Samuel <sam@sksamuel.com>
Closes #9377 from sksamuel/master.
Diffstat (limited to 'docs/sql-programming-guide.md')
| -rw-r--r-- | docs/sql-programming-guide.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/sql-programming-guide.md b/docs/sql-programming-guide.md index e347754055..d7b205c2fa 100644 --- a/docs/sql-programming-guide.md +++ b/docs/sql-programming-guide.md @@ -1820,6 +1820,7 @@ the Data Sources API. The following options are supported: register itself with the JDBC subsystem. </td> </tr> + <tr> <td><code>partitionColumn, lowerBound, upperBound, numPartitions</code></td> <td> @@ -1831,6 +1832,13 @@ the Data Sources API. The following options are supported: partitioned and returned. </td> </tr> + + <tr> + <td><code>fetchSize</code></td> + <td> + The JDBC fetch size, which determines how many rows to fetch per round trip. This can help performance on JDBC drivers which default to low fetch size (eg. Oracle with 10 rows). + </td> + </tr> </table> <div class="codetabs"> |