145 lines
3.9 KiB
SQL
145 lines
3.9 KiB
SQL
-- name: CreatePost :one
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INSERT INTO posts(title, cover_id, slug, content, summary, status, sort, published_at)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
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RETURNING id;
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-- name: ListPosts :many
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WITH paginated_posts AS (
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-- 第一步：先精准查出当前页需要的文章 ID
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SELECT id,
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title,
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cover_id,
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slug,
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summary,
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status,
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sort,
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published_at,
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created_at,
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updated_at
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FROM posts
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ORDER BY sort DESC, published_at DESC, id DESC
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LIMIT $1 OFFSET $2)
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-- 第二步：用这极少量的记录去进行 JOIN
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SELECT p.*,
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f.file_path AS cover,
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c.name AS category_name,
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c.id AS category_id,
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COALESCE(ps.view, 0) AS view
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FROM paginated_posts p
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LEFT JOIN files f ON f.id = p.cover_id
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LEFT JOIN post_category pc ON pc.post_id = p.id
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LEFT JOIN categories c ON c.id = pc.category_id
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LEFT JOIN post_stats ps ON ps.post_id = p.id
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ORDER BY p.sort DESC, p.published_at DESC, p.id DESC;
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-- name: CountPosts :one
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SELECT COUNT(*)
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FROM posts;
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-- name: GetPostById :one
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SELECT p.*,
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f.file_path AS cover,
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c.name AS category_name,
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c.id AS category_id
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FROM posts p
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LEFT JOIN files f ON f.id = p.cover_id
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LEFT JOIN post_category pc ON pc.post_id = p.id
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LEFT JOIN categories c ON c.id = pc.category_id
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WHERE p.id = $1
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LIMIT 1;
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-- name: UpdatePost :execrows
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UPDATE posts
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SET title = coalesce(sqlc.narg('title'), title),
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cover_id = coalesce(sqlc.narg('cover_id'), cover_id),
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slug = coalesce(sqlc.narg('slug'), slug),
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content = coalesce(sqlc.narg('content'), content),
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summary = coalesce(sqlc.narg('summary'), summary),
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status = coalesce(sqlc.narg('status'), status),
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sort = coalesce(sqlc.narg('sort'), sort),
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published_at = coalesce(sqlc.narg('published_at'), published_at)
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WHERE id = sqlc.arg('id');
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-- name: DeletePost :execrows
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DELETE
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FROM posts
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WHERE id = $1;
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-- web -------------------------------------------------------
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-- name: GetPublicPostBySlug :one
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SELECT p.*,
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f.file_path AS cover,
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COALESCE(ps.view, 0) AS view
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FROM posts p
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LEFT JOIN files f ON f.id = p.cover_id
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LEFT JOIN post_stats ps ON ps.post_id = p.id
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WHERE p.slug = $1
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AND p.status = 1
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AND p.published_at < NOW()
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LIMIT 1;
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-- name: ListPublishedPosts :many
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WITH paginated_posts AS (
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-- 第一步：先精准查出当前页需要的文章 ID
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SELECT id,
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title,
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cover_id,
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slug,
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summary,
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sort,
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published_at
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FROM posts
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WHERE status = 1
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AND published_at < NOW()
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ORDER BY sort DESC, published_at DESC, id DESC
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LIMIT $1 OFFSET $2)
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SELECT p.*,
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f.file_path AS cover,
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c.name AS category_name,
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c.id AS category_id,
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COALESCE(ps.view, 0) AS view
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FROM paginated_posts p
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LEFT JOIN files f ON f.id = p.cover_id
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LEFT JOIN post_category pc ON pc.post_id = p.id
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LEFT JOIN categories c ON c.id = pc.category_id
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LEFT JOIN post_stats ps ON ps.post_id = p.id
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ORDER BY p.sort DESC, p.published_at DESC, p.id DESC;
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-- name: CountPublishedPosts :one
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SELECT COUNT(*)
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FROM posts
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WHERE status = 1
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AND published_at < NOW();
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-- name: ListArchives :many
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SELECT
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p.id,
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p.slug,
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p.title,
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p.published_at,
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c."name" AS category_name
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FROM
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posts p
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LEFT JOIN post_category pc ON p.id = pc.post_id
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LEFT JOIN categories c ON c.id = pc.category_id
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WHERE
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p.status = 1
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AND p.published_at < NOW()
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ORDER BY
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p.published_at DESC, p.id DESC;
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-- name: ListCategoryStats :many
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SELECT
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c.id,
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c.name,
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COUNT(p.id) AS post_count
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FROM
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categories c
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LEFT JOIN post_category pc ON c.id = pc.category_id
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LEFT JOIN posts p ON p.id = pc.post_id
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AND p.status = 1
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AND p.published_at < NOW()
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GROUP BY
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c.id,
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c.name; |