diff --git a/README.md b/README.md
index fac6e1b..365c1f8 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ A cross-platform TUI database management tool written in Rust
 
 ## TODOs
 
-- [ ] Query widget
+- [ ] SQL editor
 - [ ] Custom key bindings
 - [ ] Custom theme settings
 - [ ] Support the other databases
@@ -119,3 +119,7 @@ database = "bar"
 type = "sqlite"
 path = "/path/to/baz.db"
 ```
+
+## Contribution
+
+Contributions, issues and pull requests are welcome!
diff --git a/src/database/postgres.rs b/src/database/postgres.rs
index 537b55a..f600c06 100644
--- a/src/database/postgres.rs
+++ b/src/database/postgres.rs
@@ -252,7 +252,15 @@ impl Pool for PostgresPool {
                                 serde_json::Value::Array(v) => {
                                     new_row.push(v.iter().map(|v| v.to_string()).join(","))
                                 }
-                                _ => (),
+                                serde_json::Value::Number(v) => new_row.push(v.to_string()),
+                                serde_json::Value::Bool(v) => new_row.push(v.to_string()),
+                                others => {
+                                    panic!(
+                                        "column type not implemented: `{}` {}",
+                                        column.name(),
+                                        others
+                                    )
+                                }
                             }
                         }
                     }