snuyanzin commented on code in PR #4994:
URL: https://github.com/apache/calcite/pull/4994#discussion_r3362760195
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core/src/main/java/org/apache/calcite/rex/RexSimplify.java:
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@@ -570,6 +570,17 @@ && consecutiveSameCharCountBefore(str, start - 1, escape)
% 2 == 1) {
return builder.toString();
}
+ private static Pattern getWildCardPattern(char escape) {
+ switch (escape) {
+ case '%':
+ return Pattern.compile("_+");
Review Comment:
if `%` is escape symbol then it should not be a part of wildcard pattern
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