julianhyde commented on code in PR #3460:
URL: https://github.com/apache/calcite/pull/3460#discussion_r1355671788
##########
core/src/main/java/org/apache/calcite/sql/validate/SqlConformance.java:
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@@ -256,6 +256,16 @@ public interface SqlConformance {
*/
boolean isMinusAllowed();
+ /**
+ * Whether dialect uses default syntax of {@code $} for indexing capturing
groups in
+ * regular expressions or alternate syntax of {@code \\} for {@code
REGEXP_REPLACE}.
Review Comment:
s/regular expressions/the replacement string of regular expression functions/
also add an example. Something like "For example BigQuery
REGEXP_REPLACE(...) is equivalent to Postgres REGEXP_REPLACE(...)"
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