QiangCai commented on a change in pull request #3661: [CARBONDATA-3704] Support
create materialized view on all type table, and make mv support mutil-tenant.
URL: https://github.com/apache/carbondata/pull/3661#discussion_r401339656
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File path:
core/src/main/java/org/apache/carbondata/core/metadata/schema/table/CarbonTable.java
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@@ -876,6 +876,15 @@ public boolean hasMVCreated() throws IOException {
schema.getProviderName().equalsIgnoreCase(DataMapClassProvider.MV.toString()));
}
+ /**
+ * Return true if this table is a MV table (child table of other table)
+ */
+ public boolean isMVTable() {
+ String parentTables = tableInfo.getFactTable().getTableProperties()
+ .get(CarbonCommonConstants.PARENT_TABLES);
Review comment:
How about changing it to MV_ON_TABlES?
What is the difference with method isChildTableForMV/isMaterializedView
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