use of com.microsoft.azure.storage.table.TableQuery in project YCSB by brianfrankcooper.
the class AzureClient method scan.
@Override
public Status scan(String table, String startkey, int recordcount, Set<String> fields, Vector<HashMap<String, ByteIterator>> result) {
try {
String whereStr = String.format("(PartitionKey eq '%s') and (RowKey ge '%s')", partitionKey, startkey);
TableQuery<DynamicTableEntity> scanQuery = new TableQuery<DynamicTableEntity>(DynamicTableEntity.class).where(whereStr).take(recordcount);
int cnt = 0;
for (DynamicTableEntity entity : cloudTable.execute(scanQuery)) {
HashMap<String, EntityProperty> properties = entity.getProperties();
HashMap<String, ByteIterator> cur = new HashMap<String, ByteIterator>();
for (Entry<String, EntityProperty> entry : properties.entrySet()) {
String fieldName = entry.getKey();
ByteIterator fieldVal = new ByteArrayByteIterator(entry.getValue().getValueAsByteArray());
if (fields == null || fields.contains(fieldName)) {
cur.put(fieldName, fieldVal);
}
}
result.add(cur);
if (++cnt == recordcount) {
break;
}
}
return Status.OK;
} catch (Exception e) {
return Status.ERROR;
}
}
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