tanclary commented on code in PR #3338:
URL: https://github.com/apache/calcite/pull/3338#discussion_r1295127698
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core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
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@@ -345,6 +346,17 @@ public static String sha512(ByteString string) {
return DigestUtils.sha512Hex(string.getBytes());
}
+ /** SQL {@code REGEXP_CONTAINS(value, regexp)} function.
+ * Throws a runtime exception for invalid regular expressions.*/
+ public static boolean regexpContains(String value, String regex) {
+ try {
+ Pattern regexp = Pattern.compile(regex);
Review Comment:
you can use "<a href >" to link to a specific case if you text-search you
should find some good examples
##########
core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
##########
@@ -345,6 +346,17 @@ public static String sha512(ByteString string) {
return DigestUtils.sha512Hex(string.getBytes());
}
+ /** SQL {@code REGEXP_CONTAINS(value, regexp)} function.
+ * Throws a runtime exception for invalid regular expressions.*/
+ public static boolean regexpContains(String value, String regex) {
+ try {
+ Pattern regexp = Pattern.compile(regex);
Review Comment:
you can use <a href > to link to a specific case if you text-search you
should find some good examples
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