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comment.go
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comment.go
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// Copyright 2019-present Facebook Inc. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.
// Code generated by ent, DO NOT EDIT.
package ent
import (
"fmt"
"strings"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/entc/integration/cascadelete/ent/comment"
"entgo.io/ent/entc/integration/cascadelete/ent/post"
)
// Comment is the model entity for the Comment schema.
type Comment struct {
config `json:"-"`
// ID of the ent.
ID int `json:"id,omitempty"`
// Text holds the value of the "text" field.
Text string `json:"text,omitempty"`
// PostID holds the value of the "post_id" field.
PostID int `json:"post_id,omitempty"`
// Edges holds the relations/edges for other nodes in the graph.
// The values are being populated by the CommentQuery when eager-loading is set.
Edges CommentEdges `json:"edges"`
}
// CommentEdges holds the relations/edges for other nodes in the graph.
type CommentEdges struct {
// Post holds the value of the post edge.
Post *Post `json:"post,omitempty"`
// loadedTypes holds the information for reporting if a
// type was loaded (or requested) in eager-loading or not.
loadedTypes [1]bool
}
// PostOrErr returns the Post value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e CommentEdges) PostOrErr() (*Post, error) {
if e.loadedTypes[0] {
if e.Post == nil {
// The edge post was loaded in eager-loading,
// but was not found.
return nil, &NotFoundError{label: post.Label}
}
return e.Post, nil
}
return nil, &NotLoadedError{edge: "post"}
}
// scanValues returns the types for scanning values from sql.Rows.
func (*Comment) scanValues(columns []string) ([]interface{}, error) {
values := make([]interface{}, len(columns))
for i := range columns {
switch columns[i] {
case comment.FieldID, comment.FieldPostID:
values[i] = new(sql.NullInt64)
case comment.FieldText:
values[i] = new(sql.NullString)
default:
return nil, fmt.Errorf("unexpected column %q for type Comment", columns[i])
}
}
return values, nil
}
// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Comment fields.
func (c *Comment) assignValues(columns []string, values []interface{}) error {
if m, n := len(values), len(columns); m < n {
return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
}
for i := range columns {
switch columns[i] {
case comment.FieldID:
value, ok := values[i].(*sql.NullInt64)
if !ok {
return fmt.Errorf("unexpected type %T for field id", value)
}
c.ID = int(value.Int64)
case comment.FieldText:
if value, ok := values[i].(*sql.NullString); !ok {
return fmt.Errorf("unexpected type %T for field text", values[i])
} else if value.Valid {
c.Text = value.String
}
case comment.FieldPostID:
if value, ok := values[i].(*sql.NullInt64); !ok {
return fmt.Errorf("unexpected type %T for field post_id", values[i])
} else if value.Valid {
c.PostID = int(value.Int64)
}
}
}
return nil
}
// QueryPost queries the "post" edge of the Comment entity.
func (c *Comment) QueryPost() *PostQuery {
return (&CommentClient{config: c.config}).QueryPost(c)
}
// Update returns a builder for updating this Comment.
// Note that you need to call Comment.Unwrap() before calling this method if this Comment
// was returned from a transaction, and the transaction was committed or rolled back.
func (c *Comment) Update() *CommentUpdateOne {
return (&CommentClient{config: c.config}).UpdateOne(c)
}
// Unwrap unwraps the Comment entity that was returned from a transaction after it was closed,
// so that all future queries will be executed through the driver which created the transaction.
func (c *Comment) Unwrap() *Comment {
_tx, ok := c.config.driver.(*txDriver)
if !ok {
panic("ent: Comment is not a transactional entity")
}
c.config.driver = _tx.drv
return c
}
// String implements the fmt.Stringer.
func (c *Comment) String() string {
var builder strings.Builder
builder.WriteString("Comment(")
builder.WriteString(fmt.Sprintf("id=%v, ", c.ID))
builder.WriteString("text=")
builder.WriteString(c.Text)
builder.WriteString(", ")
builder.WriteString("post_id=")
builder.WriteString(fmt.Sprintf("%v", c.PostID))
builder.WriteByte(')')
return builder.String()
}
// Comments is a parsable slice of Comment.
type Comments []*Comment
func (c Comments) config(cfg config) {
for _i := range c {
c[_i].config = cfg
}
}