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Posted to commits@kylin.apache.org by li...@apache.org on 2017/03/06 14:00:41 UTC

kylin git commit: KYLIN-2487 Do not convert large IN to subquery join during query planning

Repository: kylin
Updated Branches:
  refs/heads/master 0e632fe75 -> cde40f3f2


KYLIN-2487 Do not convert large IN to subquery join during query planning


Project: http://git-wip-us.apache.org/repos/asf/kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/cde40f3f
Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/cde40f3f
Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/cde40f3f

Branch: refs/heads/master
Commit: cde40f3f220e2cdde618c2500c05bdce9daf586b
Parents: 0e632fe
Author: lidongsjtu <li...@apache.org>
Authored: Mon Mar 6 21:55:22 2017 +0800
Committer: lidongsjtu <li...@apache.org>
Committed: Mon Mar 6 21:55:27 2017 +0800

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 .../org/apache/calcite/sql2rel/SqlToRelConverter.java    | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)
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http://git-wip-us.apache.org/repos/asf/kylin/blob/cde40f3f/atopcalcite/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java
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diff --git a/atopcalcite/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java b/atopcalcite/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java
index 02c45a0..2c308f5 100644
--- a/atopcalcite/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java
+++ b/atopcalcite/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java
@@ -193,7 +193,7 @@ import com.google.common.collect.Maps;
 /*
  * The code has synced with calcite. Hope one day, we could remove the hardcode override point.
  * OVERRIDE POINT:
- * - getInSubqueryThreshold(), was `20`, now `Integer.MAX_VALUE`
+ * - DEFAULT_IN_SUB_QUERY_THRESHOLD, was `20`, now `Integer.MAX_VALUE`
  * - isTrimUnusedFields(), override to false
  * - AggConverter.translateAgg(...), skip column reading for COUNT(COL), for https://jirap.corp.ebay.com/browse/KYLIN-104
  * - convertQuery(), call hackSelectStar() at the end
@@ -217,7 +217,8 @@ public class SqlToRelConverter {
 
     /** Size of the smallest IN list that will be converted to a semijoin to a
      * static table. */
-    public static final int DEFAULT_IN_SUB_QUERY_THRESHOLD = 20;
+    /* OVERRIDE POINT */
+    public static final int DEFAULT_IN_SUB_QUERY_THRESHOLD = Integer.MAX_VALUE;
 
     @Deprecated // to be removed before 2.0
     public static final int DEFAULT_IN_SUBQUERY_THRESHOLD =
@@ -1017,7 +1018,7 @@ public class SqlToRelConverter {
         scope.getValidator().deriveType(scope, e);
         return e;
     }
-        
+
     /**
      * Converts a WHERE clause.
      *
@@ -1532,9 +1533,7 @@ public class SqlToRelConverter {
      */
     @Deprecated // to be removed before 2.0
     protected int getInSubqueryThreshold() {
-        //return config.getInSubQueryThreshold();
-         /* OVERRIDE POINT */
-        return Integer.MAX_VALUE;
+        return config.getInSubQueryThreshold();
     }
 
     /**