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Support UNIX socket connections in the MySQL generator #538

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26 changes: 23 additions & 3 deletions generator/mysql/mysql_generator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -16,8 +16,18 @@ const mysqlMaxConns = 10

// DBConnection contains MySQL connection details
type DBConnection struct {
Host string
Port int
// The server host.
// Has no effect if LocalSocket is set.
Host string

// The server port.
// Has no effect if LocalSocket is set.
Port int

// The local UNIX socket to connect to.
// Overrides Host and Port if set.
LocalSocket string

User string
Password string
Params string
Expand All @@ -27,7 +37,17 @@ type DBConnection struct {

// Generate generates jet files at destination dir from database connection details
func Generate(destDir string, dbConn DBConnection, generatorTemplate ...template.Template) error {
connectionString := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", dbConn.User, dbConn.Password, dbConn.Host, dbConn.Port, dbConn.DBName)
var network string
var addr string
if dbConn.LocalSocket == "" {
network = "tcp"
addr = fmt.Sprintf("%s:%d", dbConn.Host, dbConn.Port)
} else {
network = "unix"
addr = dbConn.LocalSocket
}

connectionString := fmt.Sprintf("%s:%s@%s(%s)/%s", dbConn.User, dbConn.Password, network, addr, dbConn.DBName)
if dbConn.Params != "" {
connectionString += "?" + dbConn.Params
}
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