| // Copyright 2026 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package entx |
| |
| import ( |
| "fmt" |
| |
| "entgo.io/ent/dialect/sql" |
| ) |
| |
| // True returns a standard SQL TRUE predicate. |
| // This is primarily used for constructing custom ON clauses in JOINs (e.g., ON TRUE) |
| // or for "no-op" filters in complex modification blocks where a predicate is required. |
| func True() *sql.Predicate { |
| return sql.P(func(b *sql.Builder) { |
| b.WriteString("TRUE") |
| }) |
| } |
| |
| // CrossJoin adds a CROSS JOIN (implemented as JOIN ON TRUE) to the selector. |
| // |
| // Usage: |
| // |
| // entx.CrossJoin(s, t) |
| func CrossJoin(s *sql.Selector, t sql.TableView) *sql.Selector { |
| return s.Join(t).OnP(True()) |
| } |
| |
| // Lateral creates a table selector for use in LATERAL joins. |
| func Lateral(name string) *sql.SelectTable { |
| return sql.Table(fmt.Sprintf("LATERAL %s", name)) |
| } |
