Scans data in parallel.
Request syntax
message ParallelScanRequest {
optional string table_name = 1;
optional string index_name = 2;
optional ColumnsToGet columns_to_get = 3;
optional bytes session_id = 4;
optional ScanQuery scan_query = 5;
optional int32 timeout_ms = 6;
}Parameter | Type | Required | Description |
table_name | string | Yes | The name of the data table. |
index_name | string | Yes | The name of the search index. |
columns_to_get | No | The columns to return. | |
session_id | bytes | No | The session ID. The session ID can be used to determine the result set of scanned data. The value must be encoded by using protobuf. |
scan_query | Yes | The scan configurations. | |
timeout_ms | int32 | No | The timeout period for scanning data. Unit: milliseconds. |
Response syntax
message ParallelScanResponse {
repeated bytes rows = 1;
optional bytes next_token = 2;
}Parameter | Type | Required | Description |
rows | bytes | No | The row data that is returned. The value is encoded by using PlainBuffer. For more information, see PlainBuffer. |
next_token | bytes | No | The position from which the next scan starts. |
Use Tablestore SDKs
You can use the following Tablestore SDKs to scan data in parallel:
Tablestore SDK for Java: Parallel scan
Tablestore SDK for Go: Parallel scan
Tablestore SDK for Python: Parallel scan
Tablestore SDK for Node.js: Parallel scan
Tablestore SDK for .NET: Parallel scan
Tablestore SDK for PHP: Parallel scan