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new 5c755aa [HOTFIX]Update Documentation for MV datamap
5c755aa is described below
commit 5c755aa270fdb77eb67d3d03a89a630435a6146b
Author: Indhumathi27 <[email protected]>
AuthorDate: Thu Jul 25 17:02:26 2019 +0530
[HOTFIX]Update Documentation for MV datamap
This closes #3335
---
README.md | 1 +
docs/datamap/mv-datamap-guide.md | 2 ++
2 files changed, 3 insertions(+)
diff --git a/README.md b/README.md
index 3226a30..da5b547 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ CarbonData is built using Apache Maven, to [build
CarbonData](https://github.com
* [CarbonData Lucene
DataMap](https://github.com/apache/carbondata/blob/master/docs/datamap/lucene-datamap-guide.md)
* [CarbonData Pre-aggregate
DataMap](https://github.com/apache/carbondata/blob/master/docs/datamap/preaggregate-datamap-guide.md)
* [CarbonData Timeseries
DataMap](https://github.com/apache/carbondata/blob/master/docs/datamap/timeseries-datamap-guide.md)
+ * [CarbonData MV
DataMap](https://github.com/apache/carbondata/blob/master/docs/datamap/mv-datamap-guide.md)
* [SDK
Guide](https://github.com/apache/carbondata/blob/master/docs/sdk-guide.md)
* [C++ SDK
Guide](https://github.com/apache/carbondata/blob/master/docs/csdk-guide.md)
* [Performance
Tuning](https://github.com/apache/carbondata/blob/master/docs/performance-tuning.md)
diff --git a/docs/datamap/mv-datamap-guide.md b/docs/datamap/mv-datamap-guide.md
index d22357c..fc1ffd5 100644
--- a/docs/datamap/mv-datamap-guide.md
+++ b/docs/datamap/mv-datamap-guide.md
@@ -65,6 +65,7 @@ EXPLAIN SELECT a, sum(b) from maintable group by a;
CREATE DATAMAP agg_sales
ON TABLE sales
USING "MV"
+ DMPROPERTIES('TABLE_BLOCKSIZE'='256 MB','LOCAL_DICTIONARY_ENABLE'='false')
AS
SELECT country, sex, sum(quantity), avg(price)
FROM sales
@@ -97,6 +98,7 @@ EXPLAIN SELECT a, sum(b) from maintable group by a;
property is inherited from parent table, which allows user to provide
different tableproperties
for child table
* MV creation with limit or union all ctas queries is unsupported
+ * MV datamap does not support Streaming
#### How MV tables are selected