Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/2303#discussion_r79798804
--- Diff:
flink-core/src/main/java/org/apache/flink/types/parser/FieldParser.java ---
@@ -174,6 +174,62 @@ protected void setErrorState(ParseErrorState error) {
public ParseErrorState getErrorState() {
return this.errorState;
}
+
+ /**
+ * Returns the end position of a string with a numeric format (like
XXXX-XX-XX). Sets the error state if the
+ * string contains leading/trailing whitespaces or if the column is
empty.
+ *
+ * @return the end position of the string or -1 if an error occurred
+ */
+ public final int formattedStringEndPos(byte[] bytes, int startPos, int
limit, byte[] delimiter) {
+ int len = startPos;
+
+ final int delimLimit = limit - delimiter.length + 1;
+
+ while (len < limit) {
+ if (len < delimLimit && delimiterNext(bytes, len,
delimiter)) {
+ if (len == startPos) {
+
setErrorState(ParseErrorState.EMPTY_COLUMN);
+ return -1;
+ }
+ break;
+ }
+ len++;
+ }
+
+ if (len > startPos &&
+ (Character.isWhitespace(bytes[startPos]) ||
Character.isWhitespace(bytes[(len - 1)]))) {
+
setErrorState(ParseErrorState.NUMERIC_VALUE_ILLEGAL_CHARACTER);
+ return -1;
+ }
+
+ return len;
+ }
+
+ /**
+ * Returns a string with a numeric format (like XXXX-XX-XX). Throws an
exception if the
+ * string contains leading/trailing whitespaces or if the column is
empty.
+ *
+ * @return the parsed string
+ */
+ public static final String formattedString(byte[] bytes, int startPos,
int length, char delimiter) {
--- End diff --
make `protected`?
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
