beego-1.7.1.patch

diff --git a/orm/db.go b/orm/db.go
index 30d8ae4..8f053b5 100644
--- a/orm/db.go
+++ b/orm/db.go
@@ -60,6 +60,15 @@ var (
 		// "week_day":    true,
 		"isnull": true,
 		// "search":      true,
+
+		// for json or jsonb in postgresql
+		"json_contains": true,
+		"json_trav_gt":  true,
+		"json_trav_lt":  true,
+		"json_trav_gte": true,
+		"json_trav_lte": true,
+		"json_trav_eq":  true,
+		"json_trav_nq":  true,
 	}
 )
 
@@ -1129,8 +1138,16 @@ func (d *dbBase) GenerateOperatorSQL(mi *modelInfo, fi *fieldInfo, operator stri
 			panic(fmt.Errorf("operator `%s` need 2 args not %d", operator, len(params)))
 		}
 		sql = "BETWEEN ? AND ?"
+
+		/*
+			case "json_trav_gt":
+				if len(params) != 2 {
+					panic(fmt.Errorf("operator `%s` need 2 args not %d", operator, len(params)))
+				}
+				sql = "->> ? > ?"
+		*/
 	default:
-		if len(params) > 1 {
+		if len(params) > 1 && !strings.HasPrefix(operator, "json_") {
 			panic(fmt.Errorf("operator `%s` need 1 args not %d", operator, len(params)))
 		}
 		sql = d.ins.OperatorSQL(operator)
diff --git a/orm/db_postgres.go b/orm/db_postgres.go
index e972c4a..b2c8721 100644
--- a/orm/db_postgres.go
+++ b/orm/db_postgres.go
@@ -35,6 +35,15 @@ var postgresOperators = map[string]string{
 	"endswith":    "LIKE ?",
 	"istartswith": "LIKE UPPER(?)",
 	"iendswith":   "LIKE UPPER(?)",
+
+	// for jsonb
+	"json_contains": "@> ?",
+	"json_trav_gt":  "->> ? > ?",
+	"json_trav_lt":  "->> ? < ?",
+	"json_trav_gte": "->> ? >= ?",
+	"json_trav_lte": "->> ? <= ?",
+	"json_trav_eq":  "->> ? = ?",
+	"json_trav_nq":  "->> ? != ?",
 }
 
 // postgresql column field types.
diff --git a/orm/db_tables.go b/orm/db_tables.go
index e4c74ac..718221a 100644
--- a/orm/db_tables.go
+++ b/orm/db_tables.go
@@ -372,6 +372,12 @@ func (t *dbTables) getCondSQL(cond *Condition, sub bool, tz *time.Location) (whe
 				operator = "exact"
 			}
 
+			if strings.HasPrefix(operator, "json_") {
+				if !(fi.fieldType == TypeJsonbField || fi.fieldType == TypeJSONField) {
+					panic(fmt.Errorf("%s can only applied to json or jsonb field", operator))
+				}
+			}
+
 			operSQL, args := t.base.GenerateOperatorSQL(mi, fi, operator, p.args, tz)
 
 			leftCol := fmt.Sprintf("%s.%s%s%s", index, Q, fi.column, Q)