From 8890a746d79e2ef181eaf126f4f4420ec65db309 Mon Sep 17 00:00:00 2001
From: Jim Tsao <jimtsao@users.noreply.github.com>
Date: Sun, 31 Oct 2021 13:47:09 +0100
Subject: [PATCH] Add infinity support for Numeric Text Encode/Decode

---
 numeric.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/numeric.go b/numeric.go
index 72e59b69..cf8770fa 100644
--- a/numeric.go
+++ b/numeric.go
@@ -431,6 +431,12 @@ func (dst *Numeric) DecodeText(ci *ConnInfo, src []byte) error {
 	if string(src) == "NaN" {
 		*dst = Numeric{Status: Present, NaN: true}
 		return nil
+	} else if string(src) == "Infinity" {
+		*dst = Numeric{Status: Present, InfinityModifier: Infinity}
+		return nil
+	} else if string(src) == "-Infinity" {
+		*dst = Numeric{Status: Present, InfinityModifier: NegativeInfinity}
+		return nil
 	}
 
 	num, exp, err := parseNumericString(string(src))
@@ -597,6 +603,12 @@ func (src Numeric) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) {
 	if src.NaN {
 		buf = append(buf, "NaN"...)
 		return buf, nil
+	} else if src.InfinityModifier == Infinity {
+		buf = append(buf, "Infinity"...)
+		return buf, nil
+	} else if src.InfinityModifier == NegativeInfinity {
+		buf = append(buf, "-Infinity"...)
+		return buf, nil
 	}
 
 	buf = append(buf, src.Int.String()...)