Revert "Drop Go 1.9 support (go-sql-driver#1017)"

reireias · reireias · commit 17d1aadf575e · 2019-12-12T09:54:20.000+09:00
This reverts commit 94084c9.
diff --git a/.travis.yml b/.travis.yml
@@ -1,10 +1,10 @@
 sudo: false
 language: go
 go:
+  - 1.9.x
   - 1.10.x
   - 1.11.x
   - 1.12.x
-  - 1.13.x
   - master
 
 before_install:
diff --git a/README.md b/README.md
@@ -40,7 +40,7 @@ A MySQL-Driver for Go's [database/sql](https://golang.org/pkg/database/sql/) pac
   * Optional placeholder interpolation
 
 ## Requirements
-  * Go 1.10 or higher. We aim to support the 3 latest versions of Go.
+  * Go 1.9 or higher. We aim to support the 3 latest versions of Go.
   * MySQL (4.1+), MariaDB, Percona Server, Google CloudSQL or Sphinx (2.2.3+)
 
 ---------------------------------------
diff --git a/go.mod b/go.mod
@@ -1,3 +1,3 @@
 module github.com/go-sql-driver/mysql
 
-go 1.10
+go 1.9

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,3 @@`
`1`	`1`	`module github.com/go-sql-driver/mysql`
`2`	`2`
`3`		`-go 1.10`
	`3`	`+go 1.9`