[GitHub] [doris] Gabriel39 commented on a diff in pull request #19811: [feature](decimal)support cast rounding half up and div precision increment in decimalv3.

["Gabriel39 (via GitHub)" <gi...@apache.org>]

Gabriel39 commented on code in PR #19811:
URL: https://github.com/apache/doris/pull/19811#discussion_r1204953331


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fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Divide.java:
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@@ -62,14 +63,15 @@ public DataType getDataType() throws UnboundException {
     @Override
     public DecimalV3Type getDataTypeForDecimalV3(DecimalV3Type t1, DecimalV3Type t2) {
         int retPercision = t1.getPrecision() + t2.getScale();
-        int retScale = t1.getScale();
+        int retScale = t1.getScale() + t2.getScale()
+                + ConnectContext.get().getSessionVariable().getDivPrecisionIncrement();

Review Comment:
   We can't get `ConnectContext` for stream load task. Please put this variable in `fe.conf`



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