Anthrino commented on code in PR #3408:
URL: https://github.com/apache/calcite/pull/3408#discussion_r1317644833
##########
core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
##########
@@ -404,16 +404,39 @@ private Pattern validateRegexPattern(String regex, String
methodName) {
}
}
- /** Helper for multiple capturing group regex check in REGEXP_EXTRACT fns.
*/
+ /** Helper for multiple capturing group regex check in REGEXP_* fns. */
private void checkMultipleCapturingGroupsInRegex(Matcher matcher, String
methodName) {
if (matcher.groupCount() > 1) {
throw RESOURCE.multipleCapturingGroupsForRegexpExtract(
Integer.toString(matcher.groupCount()), methodName).ex();
}
}
+ /** Helper for checking values of position and occurrence arguments in
REGEXP_* fns.
+ * Regex Fns not using occurrencePosition param pass a default value as 0.
+ * Throws an exception or returns true in case of failed value checks. */
+ private boolean checkPosOccurrenceParamValues(int position,
+ int occurrence, int occurrencePosition, String value, String
methodName) {
+ if (position <= 0) {
+ throw
RESOURCE.invalidIntegerInputForRegexpFunctions(Integer.toString(position),
+ "position", methodName).ex();
+ }
+ if (occurrence <= 0) {
+ throw
RESOURCE.invalidIntegerInputForRegexpFunctions(Integer.toString(occurrence),
+ "occurrence", methodName).ex();
+ }
+ if (occurrencePosition < 0 || occurrencePosition > 1) {
+ throw
RESOURCE.invalidIntegerInputForRegexpFunctions(Integer.toString(occurrencePosition),
+ "occurrence_position", methodName).ex();
+ }
+ if (position > value.length()) {
+ return true;
+ }
+ return false;
+ }
+
/** SQL {@code REGEXP_CONTAINS(value, regexp)} function.
- * Throws a runtime exception for invalid regular expressions.*/
+ * Throws a runtime exception for invalid regular expressions. */
Review Comment:
yes just to align spaecs in this line with the ones above
##########
core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
##########
@@ -404,16 +404,39 @@ private Pattern validateRegexPattern(String regex, String
methodName) {
}
}
- /** Helper for multiple capturing group regex check in REGEXP_EXTRACT fns.
*/
+ /** Helper for multiple capturing group regex check in REGEXP_* fns. */
private void checkMultipleCapturingGroupsInRegex(Matcher matcher, String
methodName) {
if (matcher.groupCount() > 1) {
throw RESOURCE.multipleCapturingGroupsForRegexpExtract(
Integer.toString(matcher.groupCount()), methodName).ex();
}
}
+ /** Helper for checking values of position and occurrence arguments in
REGEXP_* fns.
+ * Regex Fns not using occurrencePosition param pass a default value as 0.
+ * Throws an exception or returns true in case of failed value checks. */
+ private boolean checkPosOccurrenceParamValues(int position,
+ int occurrence, int occurrencePosition, String value, String
methodName) {
+ if (position <= 0) {
+ throw
RESOURCE.invalidIntegerInputForRegexpFunctions(Integer.toString(position),
+ "position", methodName).ex();
+ }
+ if (occurrence <= 0) {
+ throw
RESOURCE.invalidIntegerInputForRegexpFunctions(Integer.toString(occurrence),
+ "occurrence", methodName).ex();
+ }
+ if (occurrencePosition < 0 || occurrencePosition > 1) {
+ throw
RESOURCE.invalidIntegerInputForRegexpFunctions(Integer.toString(occurrencePosition),
+ "occurrence_position", methodName).ex();
+ }
+ if (position > value.length()) {
+ return true;
+ }
+ return false;
+ }
+
/** SQL {@code REGEXP_CONTAINS(value, regexp)} function.
- * Throws a runtime exception for invalid regular expressions.*/
+ * Throws a runtime exception for invalid regular expressions. */
Review Comment:
yes just to align spaces in this line with the ones above
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