xndai commented on a change in pull request #1884:
URL: https://github.com/apache/calcite/pull/1884#discussion_r417057932
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File path: core/src/main/java/org/apache/calcite/tools/RelBuilder.java
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@@ -230,6 +230,18 @@ public RelDataTypeFactory getTypeFactory() {
return cluster.getTypeFactory();
}
+ /** Return the RelFactories Struct. */
+ public RelFactories.Struct getRelFactoriesStruct() {
+ return this.struct;
+ }
+
+ /** Set the RelFactories Struct. Conventions can use a different
RelFactories struct to
+ * create physical RelNode.*/
+ public RelBuilder setRelFactoriesStruct(RelFactories.Struct newStruct) {
+ this.struct = newStruct;
+ return this;
+ }
+
Review comment:
Then it's not really transforming a rel builder, it would be more like
"creating" a new rel builder.
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