wangshuo128 commented on code in PR #10479:
URL: https://github.com/apache/doris/pull/10479#discussion_r920970186
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/util/Utils.java:
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@@ -32,4 +44,115 @@ public static String quoteIfNeeded(String part) {
return part.matches("\\w*[\\w&&[^\\d]]+\\w*")
? part : part.replace("`", "``");
}
+
+ /**
+ * Split predicates with `And` form recursively.
+ * <p>
+ * Some examples:
+ * a and b -> a, b
+ * (a and b) and c -> a, b, c
+ * (a or b) and (c and d) -> (a or b), c , d
+ * <p>
+ * Stop recursion when meeting `Or`, so this func will ignore `And` inside
`Or`.
+ * Warning examples:
+ * (a and b) or c -> (a and b) or c
+ */
+ public static List<Expression> extractConjunctive(Expression expr) {
Review Comment:
It's duplicated with `ExpressionUtils.extractConjunct`.
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