fix(pkg): address ccoVeille comments

pkg/client/client.go

@@ -149,15 +149,22 @@ func (c *Client) Query(q string, args ...interface{}) ([][]string, []string, err
 	var (
 		resultSet = [][]string{}
 		db        *sqlx.DB
+		ok        bool
 	)
 
+	db = c.db
+
 	if c.activeDatabase != "" {
 		switch c.driver {
 		case drivers.Postgres, drivers.PostgreSQL, drivers.MySQL:
-			db = c.dbs[c.activeDatabase]
+			db, ok = c.dbs[c.activeDatabase]
+			if !ok {
+				return nil, nil, fmt.Errorf(
+					"connection with %s database not found",
+					c.activeDatabase,
+				)
+			}
 		}
-	} else {
-		db = c.db
 	}
 
 	// Runs the query extracting the content of the view calling the Buffer method.
@@ -194,6 +201,9 @@ func (c *Client) Query(q string, args ...interface{}) ([][]string, []string, err
 
 		resultSet = append(resultSet, s)
 	}
+	if err := rows.Err(); err != nil {
+		return nil, nil, err
+	}
 
 	return resultSet, columnNames, nil
 }
@@ -301,6 +311,9 @@ func (c *Client) ShowTablesPerDB(database string) ([]string, error) {
 
 		tables = append(tables, table)
 	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
 
 	return tables, nil
 }
@@ -333,6 +346,9 @@ func (c *Client) ShowTables() ([]string, error) {
 
 		tables = append(tables, table)
 	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
 
 	return tables, nil
 }
@@ -365,6 +381,9 @@ func (c *Client) ShowDatabases() ([]string, error) {
 
 		databases = append(databases, database)
 	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
 
 	return databases, nil
 }
@@ -446,9 +465,10 @@ func (c *Client) indexes(tableName string) ([][]string, []string, error) {
 func getDB(driver, connString, database string) (*sqlx.DB, error) {
 	var newConnString string
 
-	if driver == drivers.MySQL {
+	switch driver {
+	case drivers.MySQL:
 		newConnString = strings.Replace(connString, "/", fmt.Sprintf("/%s", database), 1)
-	} else {
+	default:
 		u, err := url.Parse(connString)
 		if err != nil {
 			return nil, err
@@ -460,8 +480,7 @@ func getDB(driver, connString, database string) (*sqlx.DB, error) {
 
 	db, err := sqlx.Open(driver, newConnString)
 	if err != nil {
-
-		panic(err)
+		return nil, err
 	}
 
 	return db, nil

pkg/client/client_test.go

@@ -285,8 +285,8 @@ func TestConstraints(t *testing.T) {
 	t.Logf("constraints content %v", r)
 
 	assert.NoError(t, err)
-	assert.Greater(t, len(r), 0)
-	assert.Greater(t, len(co), 0)
+	assert.NotEmpty(t, r)
+	assert.NotEmpty(t, co)
 }
 
 func TestIndexes(t *testing.T) {
@@ -311,8 +311,8 @@ func TestIndexes(t *testing.T) {
 	r, co, err := c.indexes("products")
 
 	assert.NoError(t, err)
-	assert.Greater(t, len(r), 0)
-	assert.Greater(t, len(co), 0)
+	assert.NotEmpty(t, r)
+	assert.NotEmpty(t, co)
 }
 
 func TestMetadata(t *testing.T) {

pkg/tui/tui.go

@@ -419,10 +419,6 @@ func (t *Tui) updateTableMetadataOnChange(tableName string) {
 
 	for i, sr := range m.TableContent.Rows {
 		for j, sc := range sr {
-			// if i == 0 {
-			// 	t.aw.content.SetCell(i+1, j, &tview.TableCell{Text: sc, Color: tcell.ColorRed})
-			// } else {
-			// }
 			t.aw.content.SetCellSimple(i+1, j, sc)
 		}
 	}