Add error code into error message (#3645)

2020-05-21 19:14:35 +08:00
parent f6b5c8839b
commit 4f79036a7e
1 changed files with 3 additions and 1 deletions
--- a/be/src/exec/olap_scanner.cpp
+++ b/be/src/exec/olap_scanner.cpp
@ -257,7 +257,9 @@ Status OlapScanner::get_batch(
            // Read one row from reader
            auto res = _reader->next_row_with_aggregation(&_read_row_cursor, mem_pool.get(), batch->agg_object_pool(), eof);
            if (res != OLAP_SUCCESS) {
-                return Status::InternalError("Internal Error: read storage fail.");
+                std::stringstream ss;
+                ss << "Internal Error: read storage fail. res=" << res;
+                return Status::InternalError(ss.str());
            }
            // If we reach end of this scanner, break
            if (UNLIKELY(*eof)) {