Fix missing columns for queries using the simple protocol - fixes #350

Author: porsager

src/connection.js

@@ -565,7 +565,7 @@ function Connection(options, queues = {}, { onopen = noop, onend = noop, onclose
       return errored(Errors.generic('UNSAFE_TRANSACTION', 'Only use sql.begin or max: 1'))
 
     if (query.options.simple)
-      return
+      return BindComplete()
 
     if (query.cursorFn) {
       result.count && query.cursorFn(result)

tests/index.js

@@ -612,6 +612,10 @@ t('unsafe simple', async() => {
   return [1, (await sql.unsafe('select 1 as x'))[0].x]
 })
 
+t('unsafe simple includes columns', async() => {
+  return ['x', (await sql.unsafe('select 1 as x').values()).columns[0].name]
+})
+
 t('listen and notify', async() => {
   const sql = postgres(options)
   const channel = 'hello'