[GitHub] [calcite] hsyuan commented on a change in pull request #2003: [CALCITE-4043] Improve IllegalArgumentException message in RelBuilder#field

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

hsyuan commented on a change in pull request #2003:
URL: https://github.com/apache/calcite/pull/2003#discussion_r435227331



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File path: core/src/main/java/org/apache/calcite/tools/RelBuilder.java
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@@ -487,8 +487,8 @@ public RexNode field(int inputCount, String alias, String fieldName) {
                 p.e.right.getName()));
       }
     }
-    throw new IllegalArgumentException("no aliased field found; fields are: "
-        + fields);
+    throw new IllegalArgumentException("{alias=" + alias + ",fieldName=" + fieldName + "} "

Review comment:
       nit: space after `,` in `,fieldName=`.




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