Allow sql_driver: "github.com/go-sql-driver/mysql"

In preparation of sqlc-dev#2179 for LOAD DATA LOCAL INFILE

Author: Jille

internal/codegen/golang/driver.go

@@ -14,6 +14,8 @@ const (
 	SQLDriverLibPQ
 )
 
+const SQLDriverGoSQLDriverMySQL = "github.com/go-sql-driver/mysql"
+
 func parseDriver(sqlPackage string) SQLDriver {
 	switch sqlPackage {
 	case SQLPackagePGXV4:

internal/config/v_one.go

@@ -38,6 +38,7 @@ type v1PackageSettings struct {
 	EmitAllEnumValues         bool       `json:"emit_all_enum_values,omitempty" yaml:"emit_all_enum_values"`
 	JSONTagsCaseStyle         string     `json:"json_tags_case_style,omitempty" yaml:"json_tags_case_style"`
 	SQLPackage                string     `json:"sql_package" yaml:"sql_package"`
+	SQLDriver                 string     `json:"sql_driver" yaml:"sql_driver"`
 	Overrides                 []Override `json:"overrides" yaml:"overrides"`
 	OutputBatchFileName       string     `json:"output_batch_file_name,omitempty" yaml:"output_batch_file_name"`
 	OutputDBFileName          string     `json:"output_db_file_name,omitempty" yaml:"output_db_file_name"`
@@ -151,6 +152,7 @@ func (c *V1GenerateSettings) Translate() Config {
 					Package:                   pkg.Name,
 					Out:                       pkg.Path,
 					SQLPackage:                pkg.SQLPackage,
+					SQLDriver:                 pkg.SQLDriver,
 					Overrides:                 pkg.Overrides,
 					JSONTagsCaseStyle:         pkg.JSONTagsCaseStyle,
 					OutputBatchFileName:       pkg.OutputBatchFileName,