[doris] 01/31: [fix](planner) mark join slot should always be nullable (#25433)

[kxiao]

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kxiao pushed a commit to branch branch-2.0
in repository https://gitbox.apache.org/repos/asf/doris.git

commit 2c80cef34d87e838bb8dddf507972d00d22f0290
Author: starocean999 <40539150+starocean...@users.noreply.github.com>
AuthorDate: Tue Oct 17 19:14:13 2023 +0800

    [fix](planner) mark join slot should always be nullable (#25433)
---
 fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java     | 5 ++++-
 fe/fe-core/src/main/java/org/apache/doris/analysis/StmtRewriter.java | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java 
b/fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java
index 37a1fa0c539..4648da86abd 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/Analyzer.java
@@ -982,7 +982,10 @@ public class Analyzer {
                                                 newTblName == null ? "table 
list" : newTblName.toString());
         }
 
-        Column col = d.getTable() == null ? new Column(colName, 
ScalarType.BOOLEAN) : d.getTable().getColumn(colName);
+        Column col = (d.getTable() == null)
+                ? new Column(colName, ScalarType.BOOLEAN,
+                        globalState.markTuples.get(d.getAlias()) != null)
+                : d.getTable().getColumn(colName);
         if (col == null) {
             ErrorReport.reportAnalysisException(ErrorCode.ERR_BAD_FIELD_ERROR, 
colName,
                                                 newTblName == null ? 
d.getTable().getName() : newTblName.toString());
diff --git 
a/fe/fe-core/src/main/java/org/apache/doris/analysis/StmtRewriter.java 
b/fe/fe-core/src/main/java/org/apache/doris/analysis/StmtRewriter.java
index 6e3ec2b50c8..d80328683dd 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/StmtRewriter.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/StmtRewriter.java
@@ -529,7 +529,7 @@ public class StmtRewriter {
             String slotName = stmt.getColumnAliasGenerator().getNextAlias();
             markSlot.setType(ScalarType.BOOLEAN);
             markSlot.setIsMaterialized(true);
-            markSlot.setIsNullable(false);
+            markSlot.setIsNullable(true);
             markSlot.setColumn(new Column(slotName, ScalarType.BOOLEAN));
             SlotRef markRef = new SlotRef(markSlot);
             markRef.setTblName(new TableName(null, null, 
markTuple.getAlias()));


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