From 835cf1b0689d054f58d82f3970d59abae56178dc Mon Sep 17 00:00:00 2001
From: Jack Christensen <jack@jackchristensen.com>
Date: Thu, 17 Sep 2020 17:03:30 -0500
Subject: [PATCH] Fix: Bind.MarshalJSON when ParameterFormatCodes is nil or
 single element

refs #10
---
 bind.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/bind.go b/bind.go
index 65b4c1d6..52372095 100644
--- a/bind.go
+++ b/bind.go
@@ -151,7 +151,14 @@ func (src Bind) MarshalJSON() ([]byte, error) {
 			continue
 		}
 
-		if src.ParameterFormatCodes[i] == 0 {
+		textFormat := true
+		if len(src.ParameterFormatCodes) == 1 {
+			textFormat = src.ParameterFormatCodes[0] == 0
+		} else if len(src.ParameterFormatCodes) > 1 {
+			textFormat = src.ParameterFormatCodes[i] == 0
+		}
+
+		if textFormat {
 			formattedParameters[i] = map[string]string{"text": string(p)}
 		} else {
 			formattedParameters[i] = map[string]string{"binary": hex.EncodeToString(p)}