STOR-519: Add db-connect, a SQL over HTTPS server

vendor/github.com/denisenkom/go-mssqldb/log.go

@@ -0,0 +1,30 @@
+package mssql
+
+import (
+	"log"
+)
+
+type Logger interface {
+	Printf(format string, v ...interface{})
+	Println(v ...interface{})
+}
+
+type optionalLogger struct {
+	logger Logger
+}
+
+func (o optionalLogger) Printf(format string, v ...interface{}) {
+	if o.logger != nil {
+		o.logger.Printf(format, v...)
+	} else {
+		log.Printf(format, v...)
+	}
+}
+
+func (o optionalLogger) Println(v ...interface{}) {
+	if o.logger != nil {
+		o.logger.Println(v...)
+	} else {
+		log.Println(v...)
+	}
+}