chunweilei commented on a change in pull request #1652: [CALCITE-3599] Initial
the digest of RexRangeRef to avoid null string
URL: https://github.com/apache/calcite/pull/1652#discussion_r357233772
##########
File path: core/src/main/java/org/apache/calcite/rex/RexRangeRef.java
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@@ -57,6 +57,7 @@
int offset) {
this.type = rangeType;
this.offset = offset;
+ this.digest = "offset(" + offset + ")";
}
Review comment:
This class is used only during the process of translating a SqlNode to
RelNode. So it is hard to add a test.
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