Allow negative number for limit

Author: jinzhu

sqlite.go

@@ -2,6 +2,7 @@ package sqlite
 
 import (
 	"database/sql"
+	"strconv"
 	"strings"
 
 	_ "github.com/mattn/go-sqlite3"
@@ -61,6 +62,21 @@ func (dialector Dialector) ClauseBuilders() map[string]clause.ClauseBuilder {
 
 			c.Build(builder)
 		},
+		"LIMIT": func(c clause.Clause, builder clause.Builder) {
+			if limit, ok := c.Expression.(clause.Limit); ok {
+				if limit.Limit > 0 {
+					builder.WriteString("LIMIT ")
+					builder.WriteString(strconv.Itoa(limit.Limit))
+				}
+				if limit.Offset > 0 {
+					if limit.Limit > 0 {
+						builder.WriteString(" ")
+					}
+					builder.WriteString("OFFSET ")
+					builder.WriteString(strconv.Itoa(limit.Offset))
+				}
+			}
+		},
 	}
 }