SteveYurongSu commented on code in PR #11720:
URL: https://github.com/apache/iotdb/pull/11720#discussion_r1428747679
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iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/extractor/IoTDBDataRegionExtractor.java:
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@@ -84,6 +90,29 @@ public IoTDBDataRegionExtractor() {
@Override
public void validate(PipeParameterValidator validator) throws Exception {
+ // Check whether the pattern is legal
+ String pattern =
+ validator
+ .getParameters()
+ .getStringOrDefault(
+ Arrays.asList(EXTRACTOR_PATTERN_KEY, SOURCE_PATTERN_KEY),
+ EXTRACTOR_PATTERN_DEFAULT_VALUE);
+ try {
+ PathUtils.isLegalPath(pattern);
+ } catch (IllegalPathException e) {
+ try {
+ String[] pathNodes = StringUtils.split(pattern, "\\.");
Review Comment:
What if pathNodes.length == 0 or == 1
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