anchor.diff:          "source": {
               "version": "{debezium-version}",
               "name": "PostgreSQL_server",
  +            "db": "postgres",
               "ts_usec": "154918657011699",
               "txId": "557",
               "lsn": "46523128",
  +            "schema": "public",
  +            "table": "customers",
               "snapshot": null,
               "last_snapshot_record": null
           },
  
positive.code:                         }
                      },
                      {
                          "name": "snapshot",
                          "index": "5",
                          "schema": {
                              "type": "BOOLEAN",
                              "optional": "true"
  
negative.code:                         }
                      },
                      {
                          "name": "db",
                          "index": "2",
                          "schema": {
                              "type": "STRING",
                              "optional": "false"
                          }
                      },
                      {
                          "name": "ts_usec",
                          "index": "3",
                          "schema": {
                              "type": "INT64",
  