Get DB size from Postgres

db/stats.sql.go

@@ -0,0 +1,21 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.25.0
+// source: stats.sql
+
+package db
+
+import (
+	"context"
+)
+
+const dBSize = `-- name: DBSize :one
+SELECT pg_size_pretty(pg_database_size(current_database()))
+`
+
+func (q *Queries) DBSize(ctx context.Context) (string, error) {
+	row := q.db.QueryRow(ctx, dBSize)
+	var pg_size_pretty string
+	err := row.Scan(&pg_size_pretty)
+	return pg_size_pretty, err
+}