Adding usql_trim to adodb driver

drivers/adodb/adodb.go

@@ -8,15 +8,30 @@ package adodb
 
 import (
 	"database/sql"
+	"regexp"
+	"strings"
 
 	_ "github.com/mattn/go-adodb" // DRIVER
+	"github.com/xo/dburl"
 	"github.com/xo/usql/drivers"
 )
 
 func init() {
+	endRE := regexp.MustCompile(`;?\s*$`)
+	endAnchorRE := regexp.MustCompile(`(?i)\send\s*;\s*$`)
 	drivers.Register("adodb", drivers.Driver{
 		AllowMultilineComments: true,
 		AllowCComments:         true,
+		Process: func(u *dburl.URL, prefix string, sqlstr string) (string, string, bool, error) {
+			// trim last ; but only when not END;
+			if s := strings.ToLower(u.Query().Get("usql_trim")); s != "" && s != "off" && s != "0" && s != "false" {
+				if !endAnchorRE.MatchString(sqlstr) {
+					sqlstr = endRE.ReplaceAllString(sqlstr, "")
+				}
+			}
+			typ, q := drivers.QueryExecType(prefix, sqlstr)
+			return typ, sqlstr, q, nil
+		},
 		RowsAffected: func(res sql.Result) (int64, error) {
 			return 0, nil
 		},