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* Improve sqlexist template * Address review comment and regenerate files * Regenerate using go1.19 * Run go generate for examples dir * Address review comment * Update entc/gen/template/dialect/sql/query.tmpl Co-authored-by: Ariel Mashraki <7413593+a8m@users.noreply.github.com>
985 lines
28 KiB
Go
985 lines
28 KiB
Go
// Copyright 2019-present Facebook Inc. All rights reserved.
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// This source code is licensed under the Apache 2.0 license found
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// in the LICENSE file in the root directory of this source tree.
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// Code generated by ent, DO NOT EDIT.
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package ent
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import (
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"context"
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"database/sql/driver"
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"fmt"
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"math"
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"entgo.io/ent/dialect"
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"entgo.io/ent/dialect/sql"
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"entgo.io/ent/dialect/sql/sqlgraph"
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"entgo.io/ent/entc/integration/ent/file"
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"entgo.io/ent/entc/integration/ent/group"
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"entgo.io/ent/entc/integration/ent/groupinfo"
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"entgo.io/ent/entc/integration/ent/predicate"
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"entgo.io/ent/entc/integration/ent/user"
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"entgo.io/ent/schema/field"
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)
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// GroupQuery is the builder for querying Group entities.
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type GroupQuery struct {
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config
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limit *int
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offset *int
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unique *bool
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order []OrderFunc
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fields []string
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predicates []predicate.Group
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withFiles *FileQuery
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withBlocked *UserQuery
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withUsers *UserQuery
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withInfo *GroupInfoQuery
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withFKs bool
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modifiers []func(*sql.Selector)
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withNamedFiles map[string]*FileQuery
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withNamedBlocked map[string]*UserQuery
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withNamedUsers map[string]*UserQuery
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// intermediate query (i.e. traversal path).
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sql *sql.Selector
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path func(context.Context) (*sql.Selector, error)
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}
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// Where adds a new predicate for the GroupQuery builder.
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func (gq *GroupQuery) Where(ps ...predicate.Group) *GroupQuery {
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gq.predicates = append(gq.predicates, ps...)
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return gq
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}
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// Limit adds a limit step to the query.
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func (gq *GroupQuery) Limit(limit int) *GroupQuery {
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gq.limit = &limit
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return gq
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}
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// Offset adds an offset step to the query.
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func (gq *GroupQuery) Offset(offset int) *GroupQuery {
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gq.offset = &offset
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return gq
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}
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// Unique configures the query builder to filter duplicate records on query.
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// By default, unique is set to true, and can be disabled using this method.
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func (gq *GroupQuery) Unique(unique bool) *GroupQuery {
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gq.unique = &unique
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return gq
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}
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// Order adds an order step to the query.
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func (gq *GroupQuery) Order(o ...OrderFunc) *GroupQuery {
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gq.order = append(gq.order, o...)
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return gq
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}
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// QueryFiles chains the current query on the "files" edge.
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func (gq *GroupQuery) QueryFiles() *FileQuery {
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query := &FileQuery{config: gq.config}
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query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
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if err := gq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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selector := gq.sqlQuery(ctx)
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if err := selector.Err(); err != nil {
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return nil, err
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}
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step := sqlgraph.NewStep(
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sqlgraph.From(group.Table, group.FieldID, selector),
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sqlgraph.To(file.Table, file.FieldID),
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sqlgraph.Edge(sqlgraph.O2M, false, group.FilesTable, group.FilesColumn),
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)
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fromU = sqlgraph.SetNeighbors(gq.driver.Dialect(), step)
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return fromU, nil
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}
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return query
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}
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// QueryBlocked chains the current query on the "blocked" edge.
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func (gq *GroupQuery) QueryBlocked() *UserQuery {
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query := &UserQuery{config: gq.config}
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query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
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if err := gq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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selector := gq.sqlQuery(ctx)
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if err := selector.Err(); err != nil {
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return nil, err
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}
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step := sqlgraph.NewStep(
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sqlgraph.From(group.Table, group.FieldID, selector),
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sqlgraph.To(user.Table, user.FieldID),
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sqlgraph.Edge(sqlgraph.O2M, false, group.BlockedTable, group.BlockedColumn),
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)
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fromU = sqlgraph.SetNeighbors(gq.driver.Dialect(), step)
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return fromU, nil
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}
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return query
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}
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// QueryUsers chains the current query on the "users" edge.
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func (gq *GroupQuery) QueryUsers() *UserQuery {
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query := &UserQuery{config: gq.config}
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query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
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if err := gq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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selector := gq.sqlQuery(ctx)
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if err := selector.Err(); err != nil {
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return nil, err
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}
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step := sqlgraph.NewStep(
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sqlgraph.From(group.Table, group.FieldID, selector),
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sqlgraph.To(user.Table, user.FieldID),
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sqlgraph.Edge(sqlgraph.M2M, true, group.UsersTable, group.UsersPrimaryKey...),
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)
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fromU = sqlgraph.SetNeighbors(gq.driver.Dialect(), step)
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return fromU, nil
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}
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return query
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}
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// QueryInfo chains the current query on the "info" edge.
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func (gq *GroupQuery) QueryInfo() *GroupInfoQuery {
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query := &GroupInfoQuery{config: gq.config}
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query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
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if err := gq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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selector := gq.sqlQuery(ctx)
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if err := selector.Err(); err != nil {
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return nil, err
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}
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step := sqlgraph.NewStep(
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sqlgraph.From(group.Table, group.FieldID, selector),
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sqlgraph.To(groupinfo.Table, groupinfo.FieldID),
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sqlgraph.Edge(sqlgraph.M2O, false, group.InfoTable, group.InfoColumn),
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)
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fromU = sqlgraph.SetNeighbors(gq.driver.Dialect(), step)
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return fromU, nil
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}
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return query
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}
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// First returns the first Group entity from the query.
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// Returns a *NotFoundError when no Group was found.
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func (gq *GroupQuery) First(ctx context.Context) (*Group, error) {
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nodes, err := gq.Limit(1).All(ctx)
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if err != nil {
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return nil, err
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}
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if len(nodes) == 0 {
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return nil, &NotFoundError{group.Label}
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}
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return nodes[0], nil
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}
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// FirstX is like First, but panics if an error occurs.
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func (gq *GroupQuery) FirstX(ctx context.Context) *Group {
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node, err := gq.First(ctx)
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if err != nil && !IsNotFound(err) {
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panic(err)
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}
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return node
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}
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// FirstID returns the first Group ID from the query.
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// Returns a *NotFoundError when no Group ID was found.
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func (gq *GroupQuery) FirstID(ctx context.Context) (id int, err error) {
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var ids []int
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if ids, err = gq.Limit(1).IDs(ctx); err != nil {
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return
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}
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if len(ids) == 0 {
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err = &NotFoundError{group.Label}
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return
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}
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return ids[0], nil
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}
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// FirstIDX is like FirstID, but panics if an error occurs.
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func (gq *GroupQuery) FirstIDX(ctx context.Context) int {
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id, err := gq.FirstID(ctx)
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if err != nil && !IsNotFound(err) {
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panic(err)
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}
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return id
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}
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// Only returns a single Group entity found by the query, ensuring it only returns one.
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// Returns a *NotSingularError when more than one Group entity is found.
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// Returns a *NotFoundError when no Group entities are found.
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func (gq *GroupQuery) Only(ctx context.Context) (*Group, error) {
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nodes, err := gq.Limit(2).All(ctx)
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if err != nil {
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return nil, err
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}
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switch len(nodes) {
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case 1:
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return nodes[0], nil
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case 0:
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return nil, &NotFoundError{group.Label}
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default:
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return nil, &NotSingularError{group.Label}
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}
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}
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// OnlyX is like Only, but panics if an error occurs.
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func (gq *GroupQuery) OnlyX(ctx context.Context) *Group {
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node, err := gq.Only(ctx)
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if err != nil {
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panic(err)
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}
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return node
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}
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// OnlyID is like Only, but returns the only Group ID in the query.
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// Returns a *NotSingularError when more than one Group ID is found.
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// Returns a *NotFoundError when no entities are found.
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func (gq *GroupQuery) OnlyID(ctx context.Context) (id int, err error) {
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var ids []int
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if ids, err = gq.Limit(2).IDs(ctx); err != nil {
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return
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}
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switch len(ids) {
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case 1:
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id = ids[0]
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case 0:
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err = &NotFoundError{group.Label}
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default:
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err = &NotSingularError{group.Label}
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}
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return
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}
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// OnlyIDX is like OnlyID, but panics if an error occurs.
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func (gq *GroupQuery) OnlyIDX(ctx context.Context) int {
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id, err := gq.OnlyID(ctx)
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if err != nil {
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panic(err)
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}
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return id
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}
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// All executes the query and returns a list of Groups.
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func (gq *GroupQuery) All(ctx context.Context) ([]*Group, error) {
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if err := gq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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return gq.sqlAll(ctx)
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}
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// AllX is like All, but panics if an error occurs.
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func (gq *GroupQuery) AllX(ctx context.Context) []*Group {
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nodes, err := gq.All(ctx)
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if err != nil {
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panic(err)
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}
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return nodes
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}
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// IDs executes the query and returns a list of Group IDs.
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func (gq *GroupQuery) IDs(ctx context.Context) ([]int, error) {
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var ids []int
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if err := gq.Select(group.FieldID).Scan(ctx, &ids); err != nil {
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return nil, err
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}
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return ids, nil
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}
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// IDsX is like IDs, but panics if an error occurs.
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func (gq *GroupQuery) IDsX(ctx context.Context) []int {
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ids, err := gq.IDs(ctx)
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if err != nil {
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panic(err)
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}
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return ids
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}
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// Count returns the count of the given query.
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func (gq *GroupQuery) Count(ctx context.Context) (int, error) {
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if err := gq.prepareQuery(ctx); err != nil {
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return 0, err
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}
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return gq.sqlCount(ctx)
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}
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// CountX is like Count, but panics if an error occurs.
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func (gq *GroupQuery) CountX(ctx context.Context) int {
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count, err := gq.Count(ctx)
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if err != nil {
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panic(err)
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}
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return count
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}
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// Exist returns true if the query has elements in the graph.
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func (gq *GroupQuery) Exist(ctx context.Context) (bool, error) {
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if err := gq.prepareQuery(ctx); err != nil {
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return false, err
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}
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return gq.sqlExist(ctx)
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}
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// ExistX is like Exist, but panics if an error occurs.
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func (gq *GroupQuery) ExistX(ctx context.Context) bool {
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exist, err := gq.Exist(ctx)
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if err != nil {
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panic(err)
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}
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return exist
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}
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// Clone returns a duplicate of the GroupQuery builder, including all associated steps. It can be
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// used to prepare common query builders and use them differently after the clone is made.
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func (gq *GroupQuery) Clone() *GroupQuery {
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if gq == nil {
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return nil
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}
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return &GroupQuery{
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config: gq.config,
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limit: gq.limit,
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offset: gq.offset,
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order: append([]OrderFunc{}, gq.order...),
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predicates: append([]predicate.Group{}, gq.predicates...),
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withFiles: gq.withFiles.Clone(),
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withBlocked: gq.withBlocked.Clone(),
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withUsers: gq.withUsers.Clone(),
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withInfo: gq.withInfo.Clone(),
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// clone intermediate query.
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sql: gq.sql.Clone(),
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path: gq.path,
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unique: gq.unique,
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}
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}
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// WithFiles tells the query-builder to eager-load the nodes that are connected to
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// the "files" edge. The optional arguments are used to configure the query builder of the edge.
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func (gq *GroupQuery) WithFiles(opts ...func(*FileQuery)) *GroupQuery {
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query := &FileQuery{config: gq.config}
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for _, opt := range opts {
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opt(query)
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}
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gq.withFiles = query
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return gq
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}
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// WithBlocked tells the query-builder to eager-load the nodes that are connected to
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// the "blocked" edge. The optional arguments are used to configure the query builder of the edge.
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func (gq *GroupQuery) WithBlocked(opts ...func(*UserQuery)) *GroupQuery {
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query := &UserQuery{config: gq.config}
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for _, opt := range opts {
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opt(query)
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}
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gq.withBlocked = query
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return gq
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}
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// WithUsers tells the query-builder to eager-load the nodes that are connected to
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// the "users" edge. The optional arguments are used to configure the query builder of the edge.
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func (gq *GroupQuery) WithUsers(opts ...func(*UserQuery)) *GroupQuery {
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query := &UserQuery{config: gq.config}
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for _, opt := range opts {
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opt(query)
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}
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gq.withUsers = query
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return gq
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}
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// WithInfo tells the query-builder to eager-load the nodes that are connected to
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// the "info" edge. The optional arguments are used to configure the query builder of the edge.
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func (gq *GroupQuery) WithInfo(opts ...func(*GroupInfoQuery)) *GroupQuery {
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query := &GroupInfoQuery{config: gq.config}
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for _, opt := range opts {
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opt(query)
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}
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gq.withInfo = query
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return gq
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}
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// GroupBy is used to group vertices by one or more fields/columns.
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// It is often used with aggregate functions, like: count, max, mean, min, sum.
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//
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// Example:
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//
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// var v []struct {
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// Active bool `json:"active,omitempty"`
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// Count int `json:"count,omitempty"`
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// }
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//
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// client.Group.Query().
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// GroupBy(group.FieldActive).
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// Aggregate(ent.Count()).
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// Scan(ctx, &v)
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func (gq *GroupQuery) GroupBy(field string, fields ...string) *GroupGroupBy {
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grbuild := &GroupGroupBy{config: gq.config}
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grbuild.fields = append([]string{field}, fields...)
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grbuild.path = func(ctx context.Context) (prev *sql.Selector, err error) {
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if err := gq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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return gq.sqlQuery(ctx), nil
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}
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grbuild.label = group.Label
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grbuild.flds, grbuild.scan = &grbuild.fields, grbuild.Scan
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return grbuild
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}
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// Select allows the selection one or more fields/columns for the given query,
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// instead of selecting all fields in the entity.
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//
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// Example:
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//
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// var v []struct {
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// Active bool `json:"active,omitempty"`
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// }
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//
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// client.Group.Query().
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// Select(group.FieldActive).
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// Scan(ctx, &v)
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func (gq *GroupQuery) Select(fields ...string) *GroupSelect {
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gq.fields = append(gq.fields, fields...)
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selbuild := &GroupSelect{GroupQuery: gq}
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selbuild.label = group.Label
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selbuild.flds, selbuild.scan = &gq.fields, selbuild.Scan
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return selbuild
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}
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func (gq *GroupQuery) prepareQuery(ctx context.Context) error {
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for _, f := range gq.fields {
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if !group.ValidColumn(f) {
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return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
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}
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}
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if gq.path != nil {
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prev, err := gq.path(ctx)
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if err != nil {
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return err
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}
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gq.sql = prev
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}
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return nil
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}
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func (gq *GroupQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Group, error) {
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var (
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nodes = []*Group{}
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withFKs = gq.withFKs
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_spec = gq.querySpec()
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loadedTypes = [4]bool{
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gq.withFiles != nil,
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gq.withBlocked != nil,
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gq.withUsers != nil,
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gq.withInfo != nil,
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}
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)
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if gq.withInfo != nil {
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withFKs = true
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}
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if withFKs {
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_spec.Node.Columns = append(_spec.Node.Columns, group.ForeignKeys...)
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}
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_spec.ScanValues = func(columns []string) ([]any, error) {
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return (*Group).scanValues(nil, columns)
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}
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_spec.Assign = func(columns []string, values []any) error {
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node := &Group{config: gq.config}
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nodes = append(nodes, node)
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node.Edges.loadedTypes = loadedTypes
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return node.assignValues(columns, values)
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}
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if len(gq.modifiers) > 0 {
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_spec.Modifiers = gq.modifiers
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}
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for i := range hooks {
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hooks[i](ctx, _spec)
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}
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if err := sqlgraph.QueryNodes(ctx, gq.driver, _spec); err != nil {
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return nil, err
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}
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if len(nodes) == 0 {
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return nodes, nil
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}
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if query := gq.withFiles; query != nil {
|
|
if err := gq.loadFiles(ctx, query, nodes,
|
|
func(n *Group) { n.Edges.Files = []*File{} },
|
|
func(n *Group, e *File) { n.Edges.Files = append(n.Edges.Files, e) }); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
if query := gq.withBlocked; query != nil {
|
|
if err := gq.loadBlocked(ctx, query, nodes,
|
|
func(n *Group) { n.Edges.Blocked = []*User{} },
|
|
func(n *Group, e *User) { n.Edges.Blocked = append(n.Edges.Blocked, e) }); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
if query := gq.withUsers; query != nil {
|
|
if err := gq.loadUsers(ctx, query, nodes,
|
|
func(n *Group) { n.Edges.Users = []*User{} },
|
|
func(n *Group, e *User) { n.Edges.Users = append(n.Edges.Users, e) }); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
if query := gq.withInfo; query != nil {
|
|
if err := gq.loadInfo(ctx, query, nodes, nil,
|
|
func(n *Group, e *GroupInfo) { n.Edges.Info = e }); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
for name, query := range gq.withNamedFiles {
|
|
if err := gq.loadFiles(ctx, query, nodes,
|
|
func(n *Group) { n.appendNamedFiles(name) },
|
|
func(n *Group, e *File) { n.appendNamedFiles(name, e) }); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
for name, query := range gq.withNamedBlocked {
|
|
if err := gq.loadBlocked(ctx, query, nodes,
|
|
func(n *Group) { n.appendNamedBlocked(name) },
|
|
func(n *Group, e *User) { n.appendNamedBlocked(name, e) }); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
for name, query := range gq.withNamedUsers {
|
|
if err := gq.loadUsers(ctx, query, nodes,
|
|
func(n *Group) { n.appendNamedUsers(name) },
|
|
func(n *Group, e *User) { n.appendNamedUsers(name, e) }); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return nodes, nil
|
|
}
|
|
|
|
func (gq *GroupQuery) loadFiles(ctx context.Context, query *FileQuery, nodes []*Group, init func(*Group), assign func(*Group, *File)) error {
|
|
fks := make([]driver.Value, 0, len(nodes))
|
|
nodeids := make(map[int]*Group)
|
|
for i := range nodes {
|
|
fks = append(fks, nodes[i].ID)
|
|
nodeids[nodes[i].ID] = nodes[i]
|
|
if init != nil {
|
|
init(nodes[i])
|
|
}
|
|
}
|
|
query.withFKs = true
|
|
query.Where(predicate.File(func(s *sql.Selector) {
|
|
s.Where(sql.InValues(group.FilesColumn, fks...))
|
|
}))
|
|
neighbors, err := query.All(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, n := range neighbors {
|
|
fk := n.group_files
|
|
if fk == nil {
|
|
return fmt.Errorf(`foreign-key "group_files" is nil for node %v`, n.ID)
|
|
}
|
|
node, ok := nodeids[*fk]
|
|
if !ok {
|
|
return fmt.Errorf(`unexpected foreign-key "group_files" returned %v for node %v`, *fk, n.ID)
|
|
}
|
|
assign(node, n)
|
|
}
|
|
return nil
|
|
}
|
|
func (gq *GroupQuery) loadBlocked(ctx context.Context, query *UserQuery, nodes []*Group, init func(*Group), assign func(*Group, *User)) error {
|
|
fks := make([]driver.Value, 0, len(nodes))
|
|
nodeids := make(map[int]*Group)
|
|
for i := range nodes {
|
|
fks = append(fks, nodes[i].ID)
|
|
nodeids[nodes[i].ID] = nodes[i]
|
|
if init != nil {
|
|
init(nodes[i])
|
|
}
|
|
}
|
|
query.withFKs = true
|
|
query.Where(predicate.User(func(s *sql.Selector) {
|
|
s.Where(sql.InValues(group.BlockedColumn, fks...))
|
|
}))
|
|
neighbors, err := query.All(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, n := range neighbors {
|
|
fk := n.group_blocked
|
|
if fk == nil {
|
|
return fmt.Errorf(`foreign-key "group_blocked" is nil for node %v`, n.ID)
|
|
}
|
|
node, ok := nodeids[*fk]
|
|
if !ok {
|
|
return fmt.Errorf(`unexpected foreign-key "group_blocked" returned %v for node %v`, *fk, n.ID)
|
|
}
|
|
assign(node, n)
|
|
}
|
|
return nil
|
|
}
|
|
func (gq *GroupQuery) loadUsers(ctx context.Context, query *UserQuery, nodes []*Group, init func(*Group), assign func(*Group, *User)) error {
|
|
edgeIDs := make([]driver.Value, len(nodes))
|
|
byID := make(map[int]*Group)
|
|
nids := make(map[int]map[*Group]struct{})
|
|
for i, node := range nodes {
|
|
edgeIDs[i] = node.ID
|
|
byID[node.ID] = node
|
|
if init != nil {
|
|
init(node)
|
|
}
|
|
}
|
|
query.Where(func(s *sql.Selector) {
|
|
joinT := sql.Table(group.UsersTable)
|
|
s.Join(joinT).On(s.C(user.FieldID), joinT.C(group.UsersPrimaryKey[0]))
|
|
s.Where(sql.InValues(joinT.C(group.UsersPrimaryKey[1]), edgeIDs...))
|
|
columns := s.SelectedColumns()
|
|
s.Select(joinT.C(group.UsersPrimaryKey[1]))
|
|
s.AppendSelect(columns...)
|
|
s.SetDistinct(false)
|
|
})
|
|
if err := query.prepareQuery(ctx); err != nil {
|
|
return err
|
|
}
|
|
neighbors, err := query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
|
|
assign := spec.Assign
|
|
values := spec.ScanValues
|
|
spec.ScanValues = func(columns []string) ([]any, error) {
|
|
values, err := values(columns[1:])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return append([]any{new(sql.NullInt64)}, values...), nil
|
|
}
|
|
spec.Assign = func(columns []string, values []any) error {
|
|
outValue := int(values[0].(*sql.NullInt64).Int64)
|
|
inValue := int(values[1].(*sql.NullInt64).Int64)
|
|
if nids[inValue] == nil {
|
|
nids[inValue] = map[*Group]struct{}{byID[outValue]: struct{}{}}
|
|
return assign(columns[1:], values[1:])
|
|
}
|
|
nids[inValue][byID[outValue]] = struct{}{}
|
|
return nil
|
|
}
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, n := range neighbors {
|
|
nodes, ok := nids[n.ID]
|
|
if !ok {
|
|
return fmt.Errorf(`unexpected "users" node returned %v`, n.ID)
|
|
}
|
|
for kn := range nodes {
|
|
assign(kn, n)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
func (gq *GroupQuery) loadInfo(ctx context.Context, query *GroupInfoQuery, nodes []*Group, init func(*Group), assign func(*Group, *GroupInfo)) error {
|
|
ids := make([]int, 0, len(nodes))
|
|
nodeids := make(map[int][]*Group)
|
|
for i := range nodes {
|
|
if nodes[i].group_info == nil {
|
|
continue
|
|
}
|
|
fk := *nodes[i].group_info
|
|
if _, ok := nodeids[fk]; !ok {
|
|
ids = append(ids, fk)
|
|
}
|
|
nodeids[fk] = append(nodeids[fk], nodes[i])
|
|
}
|
|
query.Where(groupinfo.IDIn(ids...))
|
|
neighbors, err := query.All(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, n := range neighbors {
|
|
nodes, ok := nodeids[n.ID]
|
|
if !ok {
|
|
return fmt.Errorf(`unexpected foreign-key "group_info" returned %v`, n.ID)
|
|
}
|
|
for i := range nodes {
|
|
assign(nodes[i], n)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (gq *GroupQuery) sqlCount(ctx context.Context) (int, error) {
|
|
_spec := gq.querySpec()
|
|
if len(gq.modifiers) > 0 {
|
|
_spec.Modifiers = gq.modifiers
|
|
}
|
|
_spec.Node.Columns = gq.fields
|
|
if len(gq.fields) > 0 {
|
|
_spec.Unique = gq.unique != nil && *gq.unique
|
|
}
|
|
return sqlgraph.CountNodes(ctx, gq.driver, _spec)
|
|
}
|
|
|
|
func (gq *GroupQuery) sqlExist(ctx context.Context) (bool, error) {
|
|
switch _, err := gq.FirstID(ctx); {
|
|
case IsNotFound(err):
|
|
return false, nil
|
|
case err != nil:
|
|
return false, fmt.Errorf("ent: check existence: %w", err)
|
|
default:
|
|
return true, nil
|
|
}
|
|
}
|
|
|
|
func (gq *GroupQuery) querySpec() *sqlgraph.QuerySpec {
|
|
_spec := &sqlgraph.QuerySpec{
|
|
Node: &sqlgraph.NodeSpec{
|
|
Table: group.Table,
|
|
Columns: group.Columns,
|
|
ID: &sqlgraph.FieldSpec{
|
|
Type: field.TypeInt,
|
|
Column: group.FieldID,
|
|
},
|
|
},
|
|
From: gq.sql,
|
|
Unique: true,
|
|
}
|
|
if unique := gq.unique; unique != nil {
|
|
_spec.Unique = *unique
|
|
}
|
|
if fields := gq.fields; len(fields) > 0 {
|
|
_spec.Node.Columns = make([]string, 0, len(fields))
|
|
_spec.Node.Columns = append(_spec.Node.Columns, group.FieldID)
|
|
for i := range fields {
|
|
if fields[i] != group.FieldID {
|
|
_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
|
|
}
|
|
}
|
|
}
|
|
if ps := gq.predicates; len(ps) > 0 {
|
|
_spec.Predicate = func(selector *sql.Selector) {
|
|
for i := range ps {
|
|
ps[i](selector)
|
|
}
|
|
}
|
|
}
|
|
if limit := gq.limit; limit != nil {
|
|
_spec.Limit = *limit
|
|
}
|
|
if offset := gq.offset; offset != nil {
|
|
_spec.Offset = *offset
|
|
}
|
|
if ps := gq.order; len(ps) > 0 {
|
|
_spec.Order = func(selector *sql.Selector) {
|
|
for i := range ps {
|
|
ps[i](selector)
|
|
}
|
|
}
|
|
}
|
|
return _spec
|
|
}
|
|
|
|
func (gq *GroupQuery) sqlQuery(ctx context.Context) *sql.Selector {
|
|
builder := sql.Dialect(gq.driver.Dialect())
|
|
t1 := builder.Table(group.Table)
|
|
columns := gq.fields
|
|
if len(columns) == 0 {
|
|
columns = group.Columns
|
|
}
|
|
selector := builder.Select(t1.Columns(columns...)...).From(t1)
|
|
if gq.sql != nil {
|
|
selector = gq.sql
|
|
selector.Select(selector.Columns(columns...)...)
|
|
}
|
|
if gq.unique != nil && *gq.unique {
|
|
selector.Distinct()
|
|
}
|
|
for _, m := range gq.modifiers {
|
|
m(selector)
|
|
}
|
|
for _, p := range gq.predicates {
|
|
p(selector)
|
|
}
|
|
for _, p := range gq.order {
|
|
p(selector)
|
|
}
|
|
if offset := gq.offset; offset != nil {
|
|
// limit is mandatory for offset clause. We start
|
|
// with default value, and override it below if needed.
|
|
selector.Offset(*offset).Limit(math.MaxInt32)
|
|
}
|
|
if limit := gq.limit; limit != nil {
|
|
selector.Limit(*limit)
|
|
}
|
|
return selector
|
|
}
|
|
|
|
// ForUpdate locks the selected rows against concurrent updates, and prevent them from being
|
|
// updated, deleted or "selected ... for update" by other sessions, until the transaction is
|
|
// either committed or rolled-back.
|
|
func (gq *GroupQuery) ForUpdate(opts ...sql.LockOption) *GroupQuery {
|
|
if gq.driver.Dialect() == dialect.Postgres {
|
|
gq.Unique(false)
|
|
}
|
|
gq.modifiers = append(gq.modifiers, func(s *sql.Selector) {
|
|
s.ForUpdate(opts...)
|
|
})
|
|
return gq
|
|
}
|
|
|
|
// ForShare behaves similarly to ForUpdate, except that it acquires a shared mode lock
|
|
// on any rows that are read. Other sessions can read the rows, but cannot modify them
|
|
// until your transaction commits.
|
|
func (gq *GroupQuery) ForShare(opts ...sql.LockOption) *GroupQuery {
|
|
if gq.driver.Dialect() == dialect.Postgres {
|
|
gq.Unique(false)
|
|
}
|
|
gq.modifiers = append(gq.modifiers, func(s *sql.Selector) {
|
|
s.ForShare(opts...)
|
|
})
|
|
return gq
|
|
}
|
|
|
|
// Modify adds a query modifier for attaching custom logic to queries.
|
|
func (gq *GroupQuery) Modify(modifiers ...func(s *sql.Selector)) *GroupSelect {
|
|
gq.modifiers = append(gq.modifiers, modifiers...)
|
|
return gq.Select()
|
|
}
|
|
|
|
// WithNamedFiles tells the query-builder to eager-load the nodes that are connected to the "files"
|
|
// edge with the given name. The optional arguments are used to configure the query builder of the edge.
|
|
func (gq *GroupQuery) WithNamedFiles(name string, opts ...func(*FileQuery)) *GroupQuery {
|
|
query := &FileQuery{config: gq.config}
|
|
for _, opt := range opts {
|
|
opt(query)
|
|
}
|
|
if gq.withNamedFiles == nil {
|
|
gq.withNamedFiles = make(map[string]*FileQuery)
|
|
}
|
|
gq.withNamedFiles[name] = query
|
|
return gq
|
|
}
|
|
|
|
// WithNamedBlocked tells the query-builder to eager-load the nodes that are connected to the "blocked"
|
|
// edge with the given name. The optional arguments are used to configure the query builder of the edge.
|
|
func (gq *GroupQuery) WithNamedBlocked(name string, opts ...func(*UserQuery)) *GroupQuery {
|
|
query := &UserQuery{config: gq.config}
|
|
for _, opt := range opts {
|
|
opt(query)
|
|
}
|
|
if gq.withNamedBlocked == nil {
|
|
gq.withNamedBlocked = make(map[string]*UserQuery)
|
|
}
|
|
gq.withNamedBlocked[name] = query
|
|
return gq
|
|
}
|
|
|
|
// WithNamedUsers tells the query-builder to eager-load the nodes that are connected to the "users"
|
|
// edge with the given name. The optional arguments are used to configure the query builder of the edge.
|
|
func (gq *GroupQuery) WithNamedUsers(name string, opts ...func(*UserQuery)) *GroupQuery {
|
|
query := &UserQuery{config: gq.config}
|
|
for _, opt := range opts {
|
|
opt(query)
|
|
}
|
|
if gq.withNamedUsers == nil {
|
|
gq.withNamedUsers = make(map[string]*UserQuery)
|
|
}
|
|
gq.withNamedUsers[name] = query
|
|
return gq
|
|
}
|
|
|
|
// GroupGroupBy is the group-by builder for Group entities.
|
|
type GroupGroupBy struct {
|
|
config
|
|
selector
|
|
fields []string
|
|
fns []AggregateFunc
|
|
// intermediate query (i.e. traversal path).
|
|
sql *sql.Selector
|
|
path func(context.Context) (*sql.Selector, error)
|
|
}
|
|
|
|
// Aggregate adds the given aggregation functions to the group-by query.
|
|
func (ggb *GroupGroupBy) Aggregate(fns ...AggregateFunc) *GroupGroupBy {
|
|
ggb.fns = append(ggb.fns, fns...)
|
|
return ggb
|
|
}
|
|
|
|
// Scan applies the group-by query and scans the result into the given value.
|
|
func (ggb *GroupGroupBy) Scan(ctx context.Context, v any) error {
|
|
query, err := ggb.path(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ggb.sql = query
|
|
return ggb.sqlScan(ctx, v)
|
|
}
|
|
|
|
func (ggb *GroupGroupBy) sqlScan(ctx context.Context, v any) error {
|
|
for _, f := range ggb.fields {
|
|
if !group.ValidColumn(f) {
|
|
return &ValidationError{Name: f, err: fmt.Errorf("invalid field %q for group-by", f)}
|
|
}
|
|
}
|
|
selector := ggb.sqlQuery()
|
|
if err := selector.Err(); err != nil {
|
|
return err
|
|
}
|
|
rows := &sql.Rows{}
|
|
query, args := selector.Query()
|
|
if err := ggb.driver.Query(ctx, query, args, rows); err != nil {
|
|
return err
|
|
}
|
|
defer rows.Close()
|
|
return sql.ScanSlice(rows, v)
|
|
}
|
|
|
|
func (ggb *GroupGroupBy) sqlQuery() *sql.Selector {
|
|
selector := ggb.sql.Select()
|
|
aggregation := make([]string, 0, len(ggb.fns))
|
|
for _, fn := range ggb.fns {
|
|
aggregation = append(aggregation, fn(selector))
|
|
}
|
|
// If no columns were selected in a custom aggregation function, the default
|
|
// selection is the fields used for "group-by", and the aggregation functions.
|
|
if len(selector.SelectedColumns()) == 0 {
|
|
columns := make([]string, 0, len(ggb.fields)+len(ggb.fns))
|
|
for _, f := range ggb.fields {
|
|
columns = append(columns, selector.C(f))
|
|
}
|
|
columns = append(columns, aggregation...)
|
|
selector.Select(columns...)
|
|
}
|
|
return selector.GroupBy(selector.Columns(ggb.fields...)...)
|
|
}
|
|
|
|
// GroupSelect is the builder for selecting fields of Group entities.
|
|
type GroupSelect struct {
|
|
*GroupQuery
|
|
selector
|
|
// intermediate query (i.e. traversal path).
|
|
sql *sql.Selector
|
|
}
|
|
|
|
// Scan applies the selector query and scans the result into the given value.
|
|
func (gs *GroupSelect) Scan(ctx context.Context, v any) error {
|
|
if err := gs.prepareQuery(ctx); err != nil {
|
|
return err
|
|
}
|
|
gs.sql = gs.GroupQuery.sqlQuery(ctx)
|
|
return gs.sqlScan(ctx, v)
|
|
}
|
|
|
|
func (gs *GroupSelect) sqlScan(ctx context.Context, v any) error {
|
|
rows := &sql.Rows{}
|
|
query, args := gs.sql.Query()
|
|
if err := gs.driver.Query(ctx, query, args, rows); err != nil {
|
|
return err
|
|
}
|
|
defer rows.Close()
|
|
return sql.ScanSlice(rows, v)
|
|
}
|
|
|
|
// Modify adds a query modifier for attaching custom logic to queries.
|
|
func (gs *GroupSelect) Modify(modifiers ...func(s *sql.Selector)) *GroupSelect {
|
|
gs.modifiers = append(gs.modifiers, modifiers...)
|
|
return gs
|
|
}
|