Github user xuchuanyin commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2445#discussion_r201891618
--- Diff:
datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMap.java
---
@@ -186,19 +188,39 @@ public void initIndexColumnConverters(CarbonTable
carbonTable, List<CarbonColumn
column = ((ColumnExpression) left).getColumnName();
if (this.name2Col.containsKey(column)) {
BloomQueryModel bloomQueryModel =
- buildQueryModelFromExpression((ColumnExpression) left,
(LiteralExpression) right);
+ buildQueryModelForEqual((ColumnExpression) left,
(LiteralExpression) right);
queryModels.add(bloomQueryModel);
}
return queryModels;
} else if (left instanceof LiteralExpression && right instanceof
ColumnExpression) {
column = ((ColumnExpression) right).getColumnName();
if (this.name2Col.containsKey(column)) {
BloomQueryModel bloomQueryModel =
- buildQueryModelFromExpression((ColumnExpression) right,
(LiteralExpression) left);
+ buildQueryModelForEqual((ColumnExpression) right,
(LiteralExpression) left);
queryModels.add(bloomQueryModel);
}
return queryModels;
}
+ } else if (expression instanceof InExpression) {
+ Expression left = ((InExpression) expression).getLeft();
+ Expression right = ((InExpression) expression).getRight();
+ String column;
+ if (left instanceof ColumnExpression && right instanceof
ListExpression) {
+ column = ((ColumnExpression) left).getColumnName();
+ if (this.name2Col.containsKey(column)) {
+ List<BloomQueryModel> models =
+ buildQueryModelForIn((ColumnExpression) left,
(ListExpression) right);
+ queryModels.addAll(models);
+ }
+ return queryModels;
+ } else if (left instanceof ListExpression && right instanceof
ColumnExpression) {
+ column = ((ColumnExpression) right).getColumnName();
+ if (this.name2Col.containsKey(column)) {
+ List<BloomQueryModel> models =
+ buildQueryModelForIn((ColumnExpression) right,
(ListExpression) left);
+ queryModels.addAll(models);
+ }
+ }
--- End diff --
Each index datamap has a set of supported operators, for bloomfilter
datamap it supports `equal` and `in`, so there are only two branches here.
will add comment here
---
