chenboat commented on code in PR #10897:
URL: https://github.com/apache/pinot/pull/10897#discussion_r1235861637
##########
pinot-common/src/test/java/org/apache/pinot/common/utils/RegexpPatternConverterUtilsTest.java:
##########
@@ -125,4 +125,27 @@ public void testTrailingSize2() {
String regexpLikePattern =
RegexpPatternConverterUtils.likeToRegexpLike("z%");
assertEquals(regexpLikePattern, "^z");
}
+
+ @Test
+ public void testEscapedWildcard1() {
+ String regexpLikePattern =
RegexpPatternConverterUtils.likeToRegexpLike("a\\_b_\\");
Review Comment:
Is it correct that "b_" is translated "b."? Even it is correct, it is not
obvious. Can you add some comments why it is converted as such?
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