/
batch.go
237 lines (212 loc) · 4.45 KB
/
batch.go
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// Code generated by sqlc. DO NOT EDIT.
// source: batch.go
package batch
import (
"context"
"time"
"github.com/jackc/pgx/v4"
)
const booksByYear = `-- name: BooksByYear :batchmany
SELECT book_id, author_id, isbn, book_type, title, year, available, tags FROM books
WHERE year = $1
`
type BooksByYearBatchResults struct {
br pgx.BatchResults
ind int
}
func (q *Queries) BooksByYear(ctx context.Context, year []int32) *BooksByYearBatchResults {
batch := &pgx.Batch{}
for _, a := range year {
vals := []interface{}{
a,
}
batch.Queue(booksByYear, vals...)
}
br := q.db.SendBatch(ctx, batch)
return &BooksByYearBatchResults{br, 0}
}
func (b *BooksByYearBatchResults) Query(f func(int, []Book, error)) {
for {
rows, err := b.br.Query()
if err != nil && (err.Error() == "no result" || err.Error() == "batch already closed") {
break
}
defer rows.Close()
var items []Book
for rows.Next() {
var i Book
if err := rows.Scan(
&i.BookID,
&i.AuthorID,
&i.Isbn,
&i.BookType,
&i.Title,
&i.Year,
&i.Available,
&i.Tags,
); err != nil {
break
}
items = append(items, i)
}
if f != nil {
f(b.ind, items, rows.Err())
}
b.ind++
}
}
func (b *BooksByYearBatchResults) Close() error {
return b.br.Close()
}
const createBook = `-- name: CreateBook :batchone
INSERT INTO books (
author_id,
isbn,
book_type,
title,
year,
available,
tags
) VALUES (
$1,
$2,
$3,
$4,
$5,
$6,
$7
)
RETURNING book_id, author_id, isbn, book_type, title, year, available, tags
`
type CreateBookBatchResults struct {
br pgx.BatchResults
ind int
}
type CreateBookParams struct {
AuthorID int32 `json:"author_id"`
Isbn string `json:"isbn"`
BookType BookType `json:"book_type"`
Title string `json:"title"`
Year int32 `json:"year"`
Available time.Time `json:"available"`
Tags []string `json:"tags"`
}
func (q *Queries) CreateBook(ctx context.Context, arg []CreateBookParams) *CreateBookBatchResults {
batch := &pgx.Batch{}
for _, a := range arg {
vals := []interface{}{
a.AuthorID,
a.Isbn,
a.BookType,
a.Title,
a.Year,
a.Available,
a.Tags,
}
batch.Queue(createBook, vals...)
}
br := q.db.SendBatch(ctx, batch)
return &CreateBookBatchResults{br, 0}
}
func (b *CreateBookBatchResults) QueryRow(f func(int, Book, error)) {
for {
row := b.br.QueryRow()
var i Book
err := row.Scan(
&i.BookID,
&i.AuthorID,
&i.Isbn,
&i.BookType,
&i.Title,
&i.Year,
&i.Available,
&i.Tags,
)
if err != nil && (err.Error() == "no result" || err.Error() == "batch already closed") {
break
}
if f != nil {
f(b.ind, i, err)
}
b.ind++
}
}
func (b *CreateBookBatchResults) Close() error {
return b.br.Close()
}
const deleteBook = `-- name: DeleteBook :batchexec
DELETE FROM books
WHERE book_id = $1
`
type DeleteBookBatchResults struct {
br pgx.BatchResults
ind int
}
func (q *Queries) DeleteBook(ctx context.Context, bookID []int32) *DeleteBookBatchResults {
batch := &pgx.Batch{}
for _, a := range bookID {
vals := []interface{}{
a,
}
batch.Queue(deleteBook, vals...)
}
br := q.db.SendBatch(ctx, batch)
return &DeleteBookBatchResults{br, 0}
}
func (b *DeleteBookBatchResults) Exec(f func(int, error)) {
for {
_, err := b.br.Exec()
if err != nil && (err.Error() == "no result" || err.Error() == "batch already closed") {
break
}
if f != nil {
f(b.ind, err)
}
b.ind++
}
}
func (b *DeleteBookBatchResults) Close() error {
return b.br.Close()
}
const updateBook = `-- name: UpdateBook :batchexec
UPDATE books
SET title = $1, tags = $2
WHERE book_id = $3
`
type UpdateBookBatchResults struct {
br pgx.BatchResults
ind int
}
type UpdateBookParams struct {
Title string `json:"title"`
Tags []string `json:"tags"`
BookID int32 `json:"book_id"`
}
func (q *Queries) UpdateBook(ctx context.Context, arg []UpdateBookParams) *UpdateBookBatchResults {
batch := &pgx.Batch{}
for _, a := range arg {
vals := []interface{}{
a.Title,
a.Tags,
a.BookID,
}
batch.Queue(updateBook, vals...)
}
br := q.db.SendBatch(ctx, batch)
return &UpdateBookBatchResults{br, 0}
}
func (b *UpdateBookBatchResults) Exec(f func(int, error)) {
for {
_, err := b.br.Exec()
if err != nil && (err.Error() == "no result" || err.Error() == "batch already closed") {
break
}
if f != nil {
f(b.ind, err)
}
b.ind++
}
}
func (b *UpdateBookBatchResults) Close() error {
return b.br.Close()
}