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morningman pushed a commit to branch branch-2.1
in repository https://gitbox.apache.org/repos/asf/doris.git
The following commit(s) were added to refs/heads/branch-2.1 by this push:
new c310b92727d [bugfix](external)Modify the default value of
`pushdowncount` for 2.1 (#37754) (#38591)
c310b92727d is described below
commit c310b92727df4350c170919d97709a4123396bd7
Author: wuwenchi <[email protected]>
AuthorDate: Thu Aug 1 12:10:54 2024 +0800
[bugfix](external)Modify the default value of `pushdowncount` for 2.1
(#37754) (#38591)
bp: #37754
---
.../src/main/java/org/apache/doris/datasource/FileScanNode.java | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/datasource/FileScanNode.java
b/fe/fe-core/src/main/java/org/apache/doris/datasource/FileScanNode.java
index 11a7b13024e..d202e01f524 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/datasource/FileScanNode.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/datasource/FileScanNode.java
@@ -98,7 +98,10 @@ public abstract class FileScanNode extends ExternalScanNode {
}
public long getPushDownCount() {
- return 0;
+ // 1. Do not use `0`: If the number of entries in the table is 0,
+ // it is unclear whether optimization has been
performed.
+ // 2. Do not use `null` or `-`: This makes it easier for the program
to parse the `explain` data.
+ return -1;
}
@Override
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