zzwqqq commented on code in PR #5385:
URL: https://github.com/apache/calcite/pull/5385#discussion_r4534553751
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core/src/main/java/org/apache/calcite/plan/RelOptUtil.java:
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@@ -287,6 +302,128 @@ public static List<CorrelationId>
getVariablesSetAndUsed(RelNode rel0,
return result;
}
+ /** Returns whether a relational expression, its inputs and sub-queries are
+ * deterministic according to their operator declarations.
+ *
+ * <p>Assumes parameters, correlation bindings, query context and table
contents
+ * stay fixed within the query. Function calls use
Review Comment:
Thanks. I've removed that wording. The definition now says that a
deterministic call returns the same result for the same operands within one
query execution.
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