jackylk commented on a change in pull request #3530: [CARBONDATA-3629] Fix
Select query failure on aggregation of same column on MV
URL: https://github.com/apache/carbondata/pull/3530#discussion_r361770632
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File path: docs/datamap/mv-datamap-guide.md
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@@ -91,7 +91,7 @@ EXPLAIN SELECT a, sum(b) from maintable group by a;
12. NO_INVERTED_INDEX
13. COLUMN_COMPRESSOR
- * All columns of main table at once cannot participate in mv datamap table
creation
+ * Creating MV datamap with select query containing only project of all
columns of maintable is unsupported
Review comment:
Can you add an example to the doc for this unsupported case
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