From 5888015cc67a9e095e6bf841d7858b7569596187 Mon Sep 17 00:00:00 2001
From: Kyle Conroy <kyle@conroy.org>
Date: Thu, 10 Nov 2022 00:17:06 -0800
Subject: [PATCH 1/2] mysql: Return []byte for blob types

---
 .../testdata/datatype/mysql/go/models.go      | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/internal/endtoend/testdata/datatype/mysql/go/models.go b/internal/endtoend/testdata/datatype/mysql/go/models.go
index ef9c747cf9..fdbd4906f6 100644
--- a/internal/endtoend/testdata/datatype/mysql/go/models.go
+++ b/internal/endtoend/testdata/datatype/mysql/go/models.go
@@ -13,30 +13,30 @@ type DtCharacter struct {
 	A sql.NullString
 	B sql.NullString
 	C sql.NullString
-	D sql.NullString
-	E sql.NullString
-	F sql.NullString
+	D []byte
+	E []byte
+	F []byte
 	G sql.NullString
 	H sql.NullString
 	I sql.NullString
-	J sql.NullString
+	J []byte
 	K sql.NullString
-	L sql.NullString
+	L []byte
 }
 
 type DtCharacterNotNull struct {
 	A string
 	B string
 	C string
-	D string
-	E string
-	F string
+	D []byte
+	E []byte
+	F []byte
 	G string
 	H string
 	I string
-	J string
+	J []byte
 	K string
-	L string
+	L []byte
 }
 
 type DtDatetime struct {

From 12e84344568e900944e796fc42f7c7b7f7c597d6 Mon Sep 17 00:00:00 2001
From: Kyle Conroy <kyle@conroy.org>
Date: Thu, 10 Nov 2022 00:24:42 -0800
Subject: [PATCH 2/2] mysql: Generate correct types for non-null blobs

Keep nullable blobs as NullString
---
 internal/codegen/golang/mysql_type.go                  |  5 ++++-
 internal/endtoend/testdata/datatype/mysql/go/models.go | 10 +++++-----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/internal/codegen/golang/mysql_type.go b/internal/codegen/golang/mysql_type.go
index 1c9e6cae53..e227d8a729 100644
--- a/internal/codegen/golang/mysql_type.go
+++ b/internal/codegen/golang/mysql_type.go
@@ -46,7 +46,10 @@ func mysqlType(req *plugin.CodeGenRequest, col *plugin.Column) string {
 		return "sql.NullInt64"
 
 	case "blob", "binary", "varbinary", "tinyblob", "mediumblob", "longblob":
-		return "[]byte"
+		if notNull {
+			return "[]byte"
+		}
+		return "sql.NullString"
 
 	case "double", "double precision", "real":
 		if notNull {
diff --git a/internal/endtoend/testdata/datatype/mysql/go/models.go b/internal/endtoend/testdata/datatype/mysql/go/models.go
index fdbd4906f6..53cb238758 100644
--- a/internal/endtoend/testdata/datatype/mysql/go/models.go
+++ b/internal/endtoend/testdata/datatype/mysql/go/models.go
@@ -13,15 +13,15 @@ type DtCharacter struct {
 	A sql.NullString
 	B sql.NullString
 	C sql.NullString
-	D []byte
-	E []byte
-	F []byte
+	D sql.NullString
+	E sql.NullString
+	F sql.NullString
 	G sql.NullString
 	H sql.NullString
 	I sql.NullString
-	J []byte
+	J sql.NullString
 	K sql.NullString
-	L []byte
+	L sql.NullString
 }
 
 type DtCharacterNotNull struct {