julianhyde commented on a change in pull request #2242:
URL: https://github.com/apache/calcite/pull/2242#discussion_r517651129
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File path:
core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java
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@@ -2598,4 +2654,40 @@ public static SqlOperator reverse(SqlOperator operator) {
}
}
+ /**
+ * The mapping from a SQL operator to the libraries it belongs to.
+ */
+ static Map<SqlOperator, Set<SqlLibrary>> operatorLibraries = new HashMap<>();
+
Review comment:
This mapping cannot be static. We don't know the full set of operator
tables.
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