Upload perf test results to the CI database

docker/test/performance-comparison/compare.sh

@@ -1074,6 +1074,56 @@ wait
 unset IFS
 }
 
+function upload_results
+{
+    if ! [ -v CHPC_DATABASE_URL ]
+    then
+        echo Database for test results is not specified, will not upload them.
+        return 0
+    fi 
+
+    # Surprisingly, clickhouse-client doesn't understand --host 127.0.0.1:9000
+    # so I have to do this instead. I tried to use Poco URI parser for this,
+    # but it's also broken and can't parse host:port.
+    IFS=':' read host port <<<"${CHPC_DATABASE_URL}"
+
+    upload_client=(clickhouse-client
+        --host "${host}"
+        --port "${port}"
+        --secure
+        --user "${CHPC_DATABASE_USER}"
+        --password "${CHPC_DATABASE_PASSWORD}"
+        --config "ch/tests/config/client_config.xml"
+        --database perftest
+        -m
+        --date_time_input_format=best_effort)
+
+     set +x # Don't show password in the log
+     cat "report/all-query-metrics.tsv" | "${upload_client[@]}" --query "
+        insert into query_metrics_tmp
+        select 
+            toDate(event_time) event_date,
+            toDateTime('$(cd ch && git show -s --format=%ci "$SHA_TO_TEST" | cut -d' ' -f-2)') event_time,
+            $PR_TO_TEST pr_number,
+            '$REF_SHA' old_sha,
+            '$SHA_TO_TEST' new_sha,
+            test,
+            query_index,
+            query_display_name,
+            metric_name,
+            old_value,
+            new_value,
+            diff,
+            stat_threshold
+        from input('metric_name text, old_value float, new_value float, diff float,
+                ratio_display_text text, stat_threshold float,
+                test text, query_index int, query_display_name text')
+        settings date_time_input_format='best_effort'
+        format TSV
+        settings date_time_input_format='best_effort'"
+    set -x
+}
+
 # Check that local and client are in PATH
 clickhouse-local --version > /dev/null
 clickhouse-client --version > /dev/null
@@ -1145,6 +1195,9 @@ case "$stage" in
     time "$script_dir/report.py" --report=all-queries > all-queries.html 2> >(tee -a report/errors.log 1>&2) ||:
     time "$script_dir/report.py" > report.html
     ;&
+"upload_results")
+    time upload_results ||:
+    ;&
 esac
 
 # Print some final debug info to help debug Weirdness, of which there is plenty.