niuge01 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_r400681805
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File path: core/src/main/java/org/apache/carbondata/core/datamap/IndexChooser.java
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@@ -59,76 +59,76 @@
* the datamap which has fewer columns that is the first datamap.
*/
@InterfaceAudience.Internal
-public class DataMapChooser {
+public class IndexChooser {
private CarbonTable carbonTable;
- private List<TableDataMap> cgDataMaps;
- private List<TableDataMap> fgDataMaps;
+ private List<TableIndex> cgIndexes;
+ private List<TableIndex> fgIndexes;
- public DataMapChooser(CarbonTable carbonTable) throws IOException {
+ public IndexChooser(CarbonTable carbonTable) throws IOException {
this.carbonTable = carbonTable;
- // read all datamaps for this table and populate CG and FG datamap list
- List<TableDataMap> visibleDataMaps =
- DataMapStoreManager.getInstance().getAllVisibleDataMap(carbonTable);
+ // read all indexes for this table and populate CG and FG index list
+ List<TableIndex> visibleIndexes =
+ DataMapStoreManager.getInstance().getAllVisibleIndexes(carbonTable);
Map<String, DataMapStatusDetail> map = DataMapStatusManager.readDataMapStatusMap();
- cgDataMaps = new ArrayList<>(visibleDataMaps.size());
- fgDataMaps = new ArrayList<>(visibleDataMaps.size());
- for (TableDataMap visibleDataMap : visibleDataMaps) {
- DataMapStatusDetail status = map.get(visibleDataMap.getDataMapSchema().getDataMapName());
+ cgIndexes = new ArrayList<>(visibleIndexes.size());
+ fgIndexes = new ArrayList<>(visibleIndexes.size());
+ for (TableIndex visibleIndex : visibleIndexes) {
+ DataMapStatusDetail status = map.get(visibleIndex.getDataMapSchema().getDataMapName());
if (status != null && status.isEnabled()) {
- DataMapLevel level = visibleDataMap.getDataMapFactory().getDataMapLevel();
- if (level == DataMapLevel.CG) {
- cgDataMaps.add(visibleDataMap);
+ IndexLevel level = visibleIndex.getIndexFactory().getDataMapLevel();
+ if (level == IndexLevel.CG) {
+ cgIndexes.add(visibleIndex);
} else {
- fgDataMaps.add(visibleDataMap);
+ fgIndexes.add(visibleIndex);
}
}
}
}
/**
- * Return a chosen datamap based on input filter. See {@link DataMapChooser}
+ * Return a chosen datamap based on input filter. See {@link IndexChooser}
*/
- public DataMapExprWrapper choose(FilterResolverIntf filter) {
+ public IndexExprWrapper choose(FilterResolverIntf filter) {
if (filter != null) {
Expression expression = filter.getFilterExpression();
// First check for FG datamaps if any exist
- ExpressionTuple tuple = selectDataMap(expression, fgDataMaps, filter);
- if (tuple.dataMapExprWrapper == null) {
+ ExpressionTuple tuple = selectDataMap(expression, fgIndexes, filter);
+ if (tuple.indexExprWrapper == null) {
// Check for CG datamap
- tuple = selectDataMap(expression, cgDataMaps, filter);
+ tuple = selectDataMap(expression, cgIndexes, filter);
}
- if (tuple.dataMapExprWrapper != null) {
- return tuple.dataMapExprWrapper;
+ if (tuple.indexExprWrapper != null) {
+ return tuple.indexExprWrapper;
}
}
// Return the default datamap if no other datamap exists.
- return new DataMapExprWrapperImpl(
- DataMapStoreManager.getInstance().getDefaultDataMap(carbonTable), filter);
+ return new IndexExprWrapperImpl(
+ DataMapStoreManager.getInstance().getDefaultIndex(carbonTable), filter);
}
/**
- * Return a chosen FG datamap based on input filter. See {@link DataMapChooser}
+ * Return a chosen FG datamap based on input filter. See {@link IndexChooser}
*/
- public DataMapExprWrapper chooseFGDataMap(FilterResolverIntf resolverIntf) {
- return chooseDataMap(DataMapLevel.FG, resolverIntf);
+ public IndexExprWrapper chooseFGDataMap(FilterResolverIntf resolverIntf) {
+ return chooseDataMap(IndexLevel.FG, resolverIntf);
}
/**
- * Return a chosen CG datamap based on input filter. See {@link DataMapChooser}
+ * Return a chosen CG datamap based on input filter. See {@link IndexChooser}
*/
- public DataMapExprWrapper chooseCGDataMap(FilterResolverIntf resolverIntf) {
- return chooseDataMap(DataMapLevel.CG, resolverIntf);
+ public IndexExprWrapper chooseCGDataMap(FilterResolverIntf resolverIntf) {
+ return chooseDataMap(IndexLevel.CG, resolverIntf);
}
- DataMapExprWrapper chooseDataMap(DataMapLevel level, FilterResolverIntf resolverIntf) {
+ IndexExprWrapper chooseDataMap(IndexLevel level, FilterResolverIntf resolverIntf) {
if (resolverIntf != null) {
Expression expression = resolverIntf.getFilterExpression();
- List<TableDataMap> datamaps = level == DataMapLevel.CG ? cgDataMaps : fgDataMaps;
+ List<TableIndex> datamaps = level == IndexLevel.CG ? cgIndexes : fgIndexes;
Review comment:
Yes, we will do it in a new pr.
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