added alias methods for server stats

Author: chernser

client-v2/src/main/java/com/clickhouse/client/api/insert/InsertResponse.java

@@ -4,6 +4,7 @@
 import com.clickhouse.client.ClickHouseResponse;
 import com.clickhouse.client.api.internal.ClientStatisticsHolder;
 import com.clickhouse.client.api.metrics.OperationMetrics;
+import com.clickhouse.client.api.metrics.ServerMetrics;
 
 public class InsertResponse implements AutoCloseable {
     private final ClickHouseResponse responseRef;
@@ -28,7 +29,60 @@ public void close() {
         }
     }
 
+    /**
+     * Returns the metrics of this operation.
+     *
+     * @return metrics of this operation
+     */
     public OperationMetrics getMetrics() {
         return operationMetrics;
     }
+
+    /**
+     * Alias for {@link ServerMetrics#NUM_ROWS_READ}
+     * @return number of rows read by server from the storage
+     */
+    public long getReadRows() {
+        return operationMetrics.getMetric(ServerMetrics.NUM_ROWS_READ).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#NUM_BYTES_READ}
+     * @return number of bytes read by server from the storage
+     */
+    public long getReadBytes() {
+        return operationMetrics.getMetric(ServerMetrics.NUM_BYTES_READ).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#NUM_ROWS_WRITTEN}
+     * @return number of rows written by server to the storage
+     */
+    public long getWrittenRows() {
+        return operationMetrics.getMetric(ServerMetrics.NUM_ROWS_WRITTEN).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#NUM_BYTES_WRITTEN}
+     * @return number of bytes written by server to the storage
+     */
+    public long getWrittenBytes() {
+        return operationMetrics.getMetric(ServerMetrics.NUM_BYTES_WRITTEN).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#ELAPSED_TIME}
+     * @return elapsed time in nanoseconds
+     */
+    public long getServerTime() {
+        return operationMetrics.getMetric(ServerMetrics.ELAPSED_TIME).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#RESULT_ROWS}
+     * @return number of returned rows
+     */
+    public long getResultRows() {
+        return operationMetrics.getMetric(ServerMetrics.RESULT_ROWS).getLong();
+    }
 }

client-v2/src/main/java/com/clickhouse/client/api/query/QueryResponse.java

@@ -5,6 +5,7 @@
 import com.clickhouse.client.api.ClientException;
 import com.clickhouse.client.api.internal.ClientStatisticsHolder;
 import com.clickhouse.client.api.metrics.OperationMetrics;
+import com.clickhouse.client.api.metrics.ServerMetrics;
 import com.clickhouse.data.ClickHouseFormat;
 import com.clickhouse.data.ClickHouseInputStream;
 
@@ -94,8 +95,61 @@ public ClickHouseFormat getFormat() {
         return format;
     }
 
+    /**
+     * Returns the metrics of this operation.
+     *
+     * @return metrics of this operation
+     */
     public OperationMetrics getMetrics() {
         ensureDone();
         return operationMetrics;
     }
+
+    /**
+     * Alias for {@link ServerMetrics#NUM_ROWS_READ}
+     * @return number of rows read by server from the storage
+     */
+    public long getReadRows() {
+        return operationMetrics.getMetric(ServerMetrics.NUM_ROWS_READ).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#NUM_BYTES_READ}
+     * @return number of bytes read by server from the storage
+     */
+    public long getReadBytes() {
+        return operationMetrics.getMetric(ServerMetrics.NUM_BYTES_READ).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#NUM_ROWS_WRITTEN}
+     * @return number of rows written by server to the storage
+     */
+    public long getWrittenRows() {
+        return operationMetrics.getMetric(ServerMetrics.NUM_ROWS_WRITTEN).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#NUM_BYTES_WRITTEN}
+     * @return number of bytes written by server to the storage
+     */
+    public long getWrittenBytes() {
+        return operationMetrics.getMetric(ServerMetrics.NUM_BYTES_WRITTEN).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#ELAPSED_TIME}
+     * @return elapsed time in nanoseconds
+     */
+    public long getServerTime() {
+        return operationMetrics.getMetric(ServerMetrics.ELAPSED_TIME).getLong();
+    }
+
+    /**
+     * Alias for {@link ServerMetrics#RESULT_ROWS}
+     * @return number of returned rows
+     */
+    public long getResultRows() {
+        return operationMetrics.getMetric(ServerMetrics.RESULT_ROWS).getLong();
+    }
 }

client-v2/src/test/java/com/clickhouse/client/insert/InsertTests.java

@@ -68,6 +68,7 @@ public void insertSimplePOJOs() throws Exception {
 
         OperationMetrics metrics = response.getMetrics();
         assertEquals(simplePOJOs.size(), metrics.getMetric(ServerMetrics.NUM_ROWS_WRITTEN).getLong());
+        assertEquals(simplePOJOs.size(), response.getWrittenRows());
         assertTrue(metrics.getMetric(ClientMetrics.OP_DURATION).getLong() > 0);
         assertTrue(metrics.getMetric(ClientMetrics.OP_SERIALIZATION).getLong() > 0);
     }

client-v2/src/test/java/com/clickhouse/client/query/QueryTests.java

@@ -924,7 +924,9 @@ public void testQueryMetrics() throws Exception {
 
         Assert.assertEquals(metrics.getMetric(ServerMetrics.NUM_ROWS_READ).getLong(), rowsToInsert); // 10 rows in the table
         Assert.assertEquals(metrics.getMetric(ServerMetrics.RESULT_ROWS).getLong(), rowsToInsert);
+        Assert.assertEquals(response.getReadRows(), rowsToInsert);
         Assert.assertTrue(metrics.getMetric(ClientMetrics.OP_DURATION).getLong() > 0);
+
     }
 
     private final static List<String> DATASET_COLUMNS = Arrays.asList(