lidavidm commented on code in PR #37085:
URL: https://github.com/apache/arrow/pull/37085#discussion_r1290066578
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java/adapter/jdbc/src/main/java/org/apache/arrow/adapter/jdbc/JdbcToArrowConfig.java:
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@@ -338,4 +356,18 @@ public Map<Integer, Map<String, String>>
getColumnMetadataByColumnIndex() {
public RoundingMode getBigDecimalRoundingMode() {
return bigDecimalRoundingMode;
}
+
+ /**
+ * Interface for a function with 4 parameters.
+ *
+ * @param <A> param 1 type
+ * @param <B> param 2 type
+ * @param <C> param 3 type
+ * @param <D> param 4 type
+ * @param <R> return type
+ */
+ @FunctionalInterface
+ interface Function4Arity<A, B, C, D, R> {
Review Comment:
Ah, I forgot about that.
Can't you just make it one of the parameters? You're not going to invoke
this while building the config, so it's fine to have it as a parameter.
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