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Posted to commits@arrow.apache.org by we...@apache.org on 2017/07/04 15:26:40 UTC
arrow git commit: ARROW-1098. [Format] modify document mistake
Repository: arrow
Updated Branches:
refs/heads/master 681479dc7 -> e5a08dd8f
ARROW-1098. [Format] modify document mistake
Author: LynnYuan <yu...@inspur.com>
Closes #811 from LynnYuanInspur/lynn-doc and squashes the following commits:
b6ec6c05 [LynnYuan] ARROW-1098. [Format] modify document mistake
Project: http://git-wip-us.apache.org/repos/asf/arrow/repo
Commit: http://git-wip-us.apache.org/repos/asf/arrow/commit/e5a08dd8
Tree: http://git-wip-us.apache.org/repos/asf/arrow/tree/e5a08dd8
Diff: http://git-wip-us.apache.org/repos/asf/arrow/diff/e5a08dd8
Branch: refs/heads/master
Commit: e5a08dd8f707663a725ac8d002a9484e7b992847
Parents: 681479d
Author: LynnYuan <yu...@inspur.com>
Authored: Tue Jul 4 11:26:34 2017 -0400
Committer: Wes McKinney <we...@twosigma.com>
Committed: Tue Jul 4 11:26:34 2017 -0400
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format/Layout.md | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/arrow/blob/e5a08dd8/format/Layout.md
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diff --git a/format/Layout.md b/format/Layout.md
index 1b85abf..1e817ff 100644
--- a/format/Layout.md
+++ b/format/Layout.md
@@ -552,7 +552,7 @@ will have the following layout:
|Bytes 0-3 | Bytes 4-7 | Bytes 8-11 | Bytes 12-15 | Bytes 16-19 | Bytes 20-23 | Bytes 24-63 |
|------------|-------------|-------------|-------------|-------------|--------------|-----------------------|
- | 1 | unspecified | unspecified | unspecified | 4 | unspecified | unspecified (padding) |
+ | 5 | unspecified | unspecified | unspecified | 4 | unspecified | unspecified (padding) |
* u1 (float):
* Length: 6, Null count: 4
@@ -605,7 +605,7 @@ the the types array indicates that a slot contains a different type at the index
## Dictionary encoding
When a field is dictionary encoded, the values are represented by an array of Int32 representing the index of the value in the dictionary.
-The Dictionary is received as a DictionaryBacth whose id is referenced by a dictionary attribute defined in the metadata ([Message.fbs][7]) in the Field table.
+The Dictionary is received as a DictionaryBatch whose id is referenced by a dictionary attribute defined in the metadata ([Message.fbs][7]) in the Field table.
The dictionary has the same layout as the type of the field would dictate. Each entry in the dictionary can be accessed by its index in the DictionaryBatch.
When a Schema references a Dictionary id, it must send a DictionaryBatch for this id before any RecordBatch.