diff --git a/src/main/libs/clients/PostgreSQLClient.js b/src/main/libs/clients/PostgreSQLClient.js
index 59272f79..46824eb7 100644
--- a/src/main/libs/clients/PostgreSQLClient.js
+++ b/src/main/libs/clients/PostgreSQLClient.js
@@ -9,6 +9,7 @@ function pgToString (value) {
    return value.toString();
 }
 
+types.setTypeParser(20, a => parseInt(a));// bigint string to number
 types.setTypeParser(1082, pgToString); // date
 types.setTypeParser(1083, pgToString); // time
 types.setTypeParser(1114, pgToString); // timestamp