[GitHub] [calcite] liyafan82 commented on a change in pull request #2383: Fix copy-paste error at Mappings.multiply

[GitBox <gi...@apache.org>]

liyafan82 commented on a change in pull request #2383:
URL: https://github.com/apache/calcite/pull/2383#discussion_r608537711



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File path: core/src/main/java/org/apache/calcite/util/mapping/Mappings.java
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@@ -145,8 +145,8 @@ public static Mapping divide(Mapping mapping1, Mapping mapping2) {
   /**
    * Multiplies one mapping by another.
    *
-   * <p>{@code divide(A, B)} returns a mapping C such that B . C (the mapping
-   * B followed by the mapping C) is equivalent to A.
+   * <p>{@code multiply(A, B)} returns a mapping C such that A . B (the mapping
+   * B followed by the mapping A) is equivalent to C.

Review comment:
       It should be "the mapping A followed by the mapping B"?




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