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Skip wrong keys

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This commit is contained in:
Andrea Cavalli 2022-07-04 20:03:10 +02:00
parent 4ed382197b
commit 0bc7b6d659
1 changed files with 18 additions and 11 deletions
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29
src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyPrefixReactiveRocksIterator.java
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@ -26,14 +26,14 @@ public class LLLocalKeyPrefixReactiveRocksIterator extends
@Override
public void drop(LLLocalKeyPrefixReactiveRocksIterator obj) {
try {
if (obj.rangeShared != null) {
if (obj.rangeShared != null && obj.rangeShared.isAccessible()) {
obj.rangeShared.close();
}
} catch (Throwable ex) {
logger.error("Failed to close range", ex);
}
try {
if (obj.readOptions != null) {
if (obj.readOptions != null && obj.readOptions.isAccessible()) {
obj.readOptions.close();
}
} catch (Throwable ex) {
@ -102,15 +102,22 @@ public class LLLocalKeyPrefixReactiveRocksIterator extends
key = LLUtils.fromByteArray(db.getAllocator(), rocksIterator.key());
}
try (key) {
if (firstGroupKey == null) {
firstGroupKey = key.copy();
} else if (!LLUtils.equals(firstGroupKey,
firstGroupKey.readerOffset(),
key,
key.readerOffset(),
prefixLength
)) {
break;
var keyLen = key.readableBytes();
if (keyLen >= prefixLength) {
if (firstGroupKey == null) {
firstGroupKey = key.copy();
assert firstGroupKey == null || firstGroupKey.readableBytes() >= prefixLength;
} else if (!LLUtils.equals(firstGroupKey,
firstGroupKey.readerOffset(),
key,
key.readerOffset(),
prefixLength
)) {
break;
}
} else {
logger.error("Skipped a key with length {}, the expected minimum prefix key length is {}!"
+ " This key will be dropped", key.readableBytes(), prefixLength);
}
rocksIterator.next();
}