chucheng92 commented on code in PR #3705:
URL: https://github.com/apache/calcite/pull/3705#discussion_r1507108833
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core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorUtil.java:
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@@ -1326,6 +1327,48 @@ public static void adjustTypeForArrayConstructor(
}
}
+ /**
+ * When the array_append and array_prepend element does not equal the array
component type
+ * make explicit casting.
+ *
+ * @param componentType derived array component type
+ * @param opBinding description of call
+ */
+ public static void adjustTypeForArrayFunctionConstructor(
Review Comment:
I think here you need also to pass leastRestrictiveType. then cast array and
element to this leastRestrictiveType
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