[GitHub] [calcite] Aaaaaaron commented on a change in pull request #2320: [CALCITE-4458] The "rowTypeCoercion" for "SET" operations should be "OR" relationship (Jiatao Tao)

[GitBox <gi...@apache.org>]

Aaaaaaron commented on a change in pull request #2320:
URL: https://github.com/apache/calcite/pull/2320#discussion_r568417115



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File path: core/src/main/java/org/apache/calcite/sql/validate/implicit/TypeCoercionImpl.java
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@@ -122,7 +122,7 @@ public TypeCoercionImpl(RelDataTypeFactory typeFactory, SqlValidator validator)
       final SqlCall operand0 = ((SqlCall) query).operand(0);
       final SqlCall operand1 = ((SqlCall) query).operand(1);
       final boolean coerced = rowTypeCoercion(scope, operand0, columnIndex, targetType)
-          && rowTypeCoercion(scope, operand1, columnIndex, targetType);
+          || rowTypeCoercion(scope, operand1, columnIndex, targetType);
       // Update the nested SET operator node type.

Review comment:
       @amaliujia didn't reproduce the case in that ut, will take a look later, thanks.




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