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[chord] add log for arrow flight read #354

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[chord] add log for arrow flight read #354

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a189316
add log for adbc
JNSimba Apr 1, 2026
fa34f22
fix
JNSimba Apr 1, 2026
e658835
fix
JNSimba Apr 1, 2026
155b3b6
fix
JNSimba Apr 1, 2026
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19 changes: 19 additions & 0 deletions ...connector-base/src/main/java/org/apache/doris/spark/client/read/DorisFlightSqlReader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -38,13 +38,15 @@
import org.apache.arrow.flight.Location;
import org.apache.arrow.memory.BufferAllocator;
import org.apache.arrow.memory.RootAllocator;
import org.apache.arrow.vector.VectorSchemaRoot;
import org.apache.arrow.vector.ipc.ArrowReader;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
Expand All @@ -61,6 +63,8 @@ public class DorisFlightSqlReader extends DorisReader {
private AdbcConnection connection;
private final ArrowReader arrowReader;
private final Boolean datetimeJava8ApiEnabled;
private int totalBatches = 0;
private long totalRows = 0;

public DorisFlightSqlReader(DorisReaderPartition partition) throws Exception {
super(partition);
Expand Down Expand Up @@ -91,7 +95,18 @@ public DorisFlightSqlReader(DorisReaderPartition partition) throws Exception {
public boolean hasNext() throws DorisException {
if (!endOfStream.get() && (rowBatch == null || !rowBatch.hasNext())) {
try {
long batchStart = System.currentTimeMillis();
endOfStream.set(!arrowReader.loadNextBatch());
if (!endOfStream.get()) {
VectorSchemaRoot root = arrowReader.getVectorSchemaRoot();
int rows = root.getRowCount();
totalBatches++;
totalRows += rows;
log.info("Batch loaded: tablet={}, rows={}, cost={}ms",
Arrays.toString(partition.getTablets()), rows, System.currentTimeMillis() - batchStart);
} else {
log.info("No more data from tablet={}", Arrays.toString(partition.getTablets()));
}
} catch (IOException e) {
throw new DorisException(e);
}
Expand All @@ -112,6 +127,8 @@ public Object next() throws DorisException {

@Override
public void close() {
log.info("Partition read finished: tablet={}, batches={}, totalRows={}",
partition.getTablets(), totalBatches, totalRows);
if (rowBatch != null) {
rowBatch.close();
}
Expand Down Expand Up @@ -147,7 +164,9 @@ private ArrowReader executeQuery() throws AdbcException, OptionRequiredException
String flightSql = generateQuerySql(partition);
log.info("Query SQL Sending to Doris FE is: {}", flightSql);
statement.setSqlQuery(flightSql);
long start = System.currentTimeMillis();
AdbcStatement.QueryResult queryResult = statement.executeQuery();
log.info("Query submitted, tablet={}, cost={}ms", Arrays.toString(partition.getTablets()), System.currentTimeMillis() - start);
return queryResult.getReader();
}

Expand Down
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