Repository: spark Updated Branches: refs/heads/master 9ab296ecd -> 5aa2710c1
[SPARK-12515][SQL][DOC] minor doc update for read.jdbc Author: felixcheung <felixcheun...@hotmail.com> Closes #10465 from felixcheung/dfreaderjdbcdoc. Project: http://git-wip-us.apache.org/repos/asf/spark/repo Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/5aa2710c Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/5aa2710c Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/5aa2710c Branch: refs/heads/master Commit: 5aa2710c1e587c340a66ed36af75214aea85a97a Parents: 9ab296e Author: felixcheung <felixcheun...@hotmail.com> Authored: Mon Dec 28 10:22:45 2015 +0000 Committer: Sean Owen <so...@cloudera.com> Committed: Mon Dec 28 10:22:45 2015 +0000 ---------------------------------------------------------------------- .../scala/org/apache/spark/sql/DataFrameReader.scala | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/spark/blob/5aa2710c/sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala ---------------------------------------------------------------------- diff --git a/sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala b/sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala index c1a8f19..0acea95 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala @@ -154,13 +154,14 @@ class DataFrameReader private[sql](sqlContext: SQLContext) extends Logging { * Don't create too many partitions in parallel on a large cluster; otherwise Spark might crash * your external database systems. * - * @param url JDBC database url of the form `jdbc:subprotocol:subname` + * @param url JDBC database url of the form `jdbc:subprotocol:subname`. * @param table Name of the table in the external database. * @param columnName the name of a column of integral type that will be used for partitioning. - * @param lowerBound the minimum value of `columnName` used to decide partition stride - * @param upperBound the maximum value of `columnName` used to decide partition stride - * @param numPartitions the number of partitions. the range `minValue`-`maxValue` will be split - * evenly into this many partitions + * @param lowerBound the minimum value of `columnName` used to decide partition stride. + * @param upperBound the maximum value of `columnName` used to decide partition stride. + * @param numPartitions the number of partitions. This, along with `lowerBound` (inclusive), + * `upperBound` (exclusive), form partition strides for generated WHERE + * clause expressions used to split the column `columnName` evenly. * @param connectionProperties JDBC database connection arguments, a list of arbitrary string * tag/value. Normally at least a "user" and "password" property * should be included. --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@spark.apache.org For additional commands, e-mail: commits-h...@spark.apache.org
