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Posted to commits@kylin.apache.org by li...@apache.org on 2017/03/12 11:48:53 UTC
[21/48] kylin git commit: KYLIN-2487 Do not convert large IN to
subquery join during query planning
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-hbase0.98
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();
}
/**