Test adding MySQL

internal/gomastodonstats/mysql.go

@@ -0,0 +1,44 @@
+package gomastodonstats
+
+import (
+	"database/sql"
+	"fmt"
+
+	_ "github.com/go-sql-driver/mysql"
+)
+
+// Returns valid DSL for PSQL
+func getMySQLConnectionString(schema string) string {
+	return fmt.Sprintf(
+		"%s:%s@%s/%s",
+		MYSQL_USER,
+		MYSQL_PASS,
+		MYSQL_HOST,
+		schema,
+	)
+}
+
+// Returns DB connection
+func getMySQLConnection(schema string) (*sql.DB, error) {
+	return sql.Open("mysql", getMySQLConnectionString(schema))
+}
+
+func runMySqlIntQuery(schema string, q string) (int, error) {
+	var res int
+	db, err := getMySQLConnection(schema)
+	if err != nil {
+		return res, err
+	}
+
+	rows, err := db.Query(q)
+	if err != nil {
+		return res, err
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		rows.Scan(&res)
+	}
+
+	return res, err
+}