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Posted to commits@spark.apache.org by rx...@apache.org on 2015/01/14 18:50:12 UTC
spark git commit: [SQL] some comments fix for GROUPING SETS
Repository: spark
Updated Branches:
refs/heads/master 81f72a0df -> 38bdc992a
[SQL] some comments fix for GROUPING SETS
Author: Daoyuan Wang <da...@intel.com>
Closes #4000 from adrian-wang/comment and squashes the following commits:
9c24fc4 [Daoyuan Wang] some comments
Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/38bdc992
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/38bdc992
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/38bdc992
Branch: refs/heads/master
Commit: 38bdc992a1a0485ac630af500da54f0a77e133bf
Parents: 81f72a0
Author: Daoyuan Wang <da...@intel.com>
Authored: Wed Jan 14 09:50:01 2015 -0800
Committer: Reynold Xin <rx...@databricks.com>
Committed: Wed Jan 14 09:50:01 2015 -0800
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.../apache/spark/sql/catalyst/analysis/Analyzer.scala | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/38bdc992/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
index bd00ff2..7f4cc23 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
@@ -126,10 +126,10 @@ class Analyzer(catalog: Catalog,
}
/*
- * GROUP BY a, b, c, WITH ROLLUP
+ * GROUP BY a, b, c WITH ROLLUP
* is equivalent to
- * GROUP BY a, b, c GROUPING SETS ( (a, b, c), (a, b), (a), ( )).
- * Group Count: N + 1 (N is the number of group expression)
+ * GROUP BY a, b, c GROUPING SETS ( (a, b, c), (a, b), (a), ( ) ).
+ * Group Count: N + 1 (N is the number of group expressions)
*
* We need to get all of its subsets for the rule described above, the subset is
* represented as the bit masks.
@@ -139,12 +139,12 @@ class Analyzer(catalog: Catalog,
}
/*
- * GROUP BY a, b, c, WITH CUBE
+ * GROUP BY a, b, c WITH CUBE
* is equivalent to
* GROUP BY a, b, c GROUPING SETS ( (a, b, c), (a, b), (b, c), (a, c), (a), (b), (c), ( ) ).
- * Group Count: 2^N (N is the number of group expression)
+ * Group Count: 2 ^ N (N is the number of group expressions)
*
- * We need to get all of its sub sets for a given GROUPBY expressions, the subset is
+ * We need to get all of its subsets for a given GROUPBY expression, the subsets are
* represented as the bit masks.
*/
def bitmasks(c: Cube): Seq[Int] = {
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