[GitHub] [calcite] julianhyde commented on a change in pull request #1334: [CALCITE-3111] Allow custom implementations of Correlate in RelDecorr…

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julianhyde commented on a change in pull request #1334: [CALCITE-3111] Allow custom implementations of Correlate in RelDecorr…
URL: https://github.com/apache/calcite/pull/1334#discussion_r307944913
 
 

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 File path: core/src/main/java/org/apache/calcite/tools/RelBuilder.java
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 @@ -2286,6 +2301,13 @@ public RelBuilder sortLimit(int offset, int fetch, RexNode... nodes) {
     return sortLimit(offset, fetch, ImmutableList.copyOf(nodes));
   }
 
+  /** Creates a {@link Sort} by collation, with limit and offset. */
+  public RelBuilder sortLimit(RelCollation collation, RexNode offset, RexNode fetch) {
+    final RelNode sort = sortFactory.createSort(peek(), collation, offset, fetch);
+    replaceTop(sort);
+    return this;
+  }
+
 
 Review comment:
   This method is not necessary. Instead of `builder.sortLimit(collation, offset, fetch)` you can call `builder.sortLimit(offset, fetch, builder.fields(collation))`.

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