add global value convertor for mysql and sqlite go sdk (#1955)

Signed-off-by: Patrick <[email protected]>

Author: Patrick0308

sdk/go/internal/db/driver.go

@@ -0,0 +1,17 @@
+package db
+
+import (
+	"database/sql/driver"
+)
+
+// GlobalParameterConverter is a global valueConverter instance to convert parameters.
+var GlobalParameterConverter = &valueConverter{}
+
+var _ driver.ValueConverter = (*valueConverter)(nil)
+
+// valueConverter is a no-op value converter.
+type valueConverter struct{}
+
+func (c *valueConverter) ConvertValue(v any) (driver.Value, error) {
+	return driver.Value(v), nil
+}

sdk/go/mysql/internals.go

@@ -216,6 +216,9 @@ func toOutboundMysqlParameterValue(x any) C.outbound_mysql_parameter_value_t {
 	case int64:
 		*(*C.int64_t)(unsafe.Pointer(&ret.val)) = int64(v)
 		ret.tag = paramValueInt64
+	case int:
+		*(*C.int64_t)(unsafe.Pointer(&ret.val)) = int64(v)
+		ret.tag = paramValueInt64
 	case uint8:
 		*(*C.uint8_t)(unsafe.Pointer(&ret.val)) = uint8(v)
 		ret.tag = paramValueUint8

sdk/go/mysql/mysql.go

@@ -7,6 +7,8 @@ import (
 	"errors"
 	"io"
 	"reflect"
+
+	spindb "github.com/fermyon/spin/sdk/go/internal/db"
 )
 
 // Open returns a new connection to the database.
@@ -60,6 +62,7 @@ type stmt struct {
 }
 
 var _ driver.Stmt = (*stmt)(nil)
+var _ driver.ColumnConverter = (*stmt)(nil)
 
 // Close closes the statement.
 func (s *stmt) Close() error {
@@ -92,6 +95,11 @@ func (s *stmt) Exec(args []driver.Value) (driver.Result, error) {
 	return &result{}, err
 }
 
+// ColumnConverter returns GlobalParameterConverter to prevent using driver.DefaultParameterConverter.
+func (s *stmt) ColumnConverter(_ int) driver.ValueConverter {
+	return spindb.GlobalParameterConverter
+}
+
 type result struct{}
 
 func (r result) LastInsertId() (int64, error) {

sdk/go/pg/pg.go

@@ -7,10 +7,9 @@ import (
 	"errors"
 	"io"
 	"reflect"
-)
 
-// globalValueConv a valueConv instance
-var globalValueConv = &valueConv{}
+	spindb "github.com/fermyon/spin/sdk/go/internal/db"
+)
 
 // Open returns a new connection to the database.
 func Open(address string) *sql.DB {
@@ -96,16 +95,9 @@ func (s *stmt) Exec(args []driver.Value) (driver.Result, error) {
 	return &result{rowsAffected: int64(n)}, err
 }
 
-// ColumnConverter return globalValueConv to don't use driver.DefaultParameterConverter
+// ColumnConverter returns GlobalParameterConverter to prevent using driver.DefaultParameterConverter.
 func (s *stmt) ColumnConverter(_ int) driver.ValueConverter {
-	return globalValueConv
-}
-
-// valueConv a convertor not convert value
-type valueConv struct{}
-
-func (c *valueConv) ConvertValue(v any) (driver.Value, error) {
-	return driver.Value(v), nil
+	return spindb.GlobalParameterConverter
 }
 
 type result struct {

sdk/go/sqlite/sqlite.go

@@ -6,6 +6,8 @@ import (
 	"database/sql/driver"
 	"errors"
 	"io"
+
+	spindb "github.com/fermyon/spin/sdk/go/internal/db"
 )
 
 // Open returns a new connection to the database.
@@ -135,6 +137,7 @@ type stmt struct {
 }
 
 var _ driver.Stmt = (*stmt)(nil)
+var _ driver.ColumnConverter = (*stmt)(nil)
 
 // Close closes the statement.
 func (s *stmt) Close() error {
@@ -167,6 +170,11 @@ func (s *stmt) Exec(args []driver.Value) (driver.Result, error) {
 	return &result{}, err
 }
 
+// ColumnConverter returns GlobalParameterConverter to prevent using driver.DefaultParameterConverter.
+func (s *stmt) ColumnConverter(_ int) driver.ValueConverter {
+	return spindb.GlobalParameterConverter
+}
+
 type result struct{}
 
 func (r result) LastInsertId() (int64, error) {