init

database/sql/ext.go

@@ -0,0 +1,30 @@
+package sql
+
+import "strings"
+
+// key,value To like sql
+func Like(key, val string) string {
+	if val == "" {
+		return ""
+	}
+	key = strings.TrimSpace(key)
+	val = strings.TrimSpace(val)
+	return key + " LIKE '%" + val + "%'"
+}
+
+// map strings to like sqls
+func Likes(in map[string]string) string {
+	var ar []string
+	for key, val := range in {
+		sql := Like(key, val)
+		if sql != "" {
+			ar = append(ar, sql)
+		}
+	}
+
+	if len(ar) == 0 {
+		return ""
+	}
+
+	return strings.Join(ar, " AND ")
+}