36 lines
888 B
SQL
36 lines
888 B
SQL
CREATE TABLE media(
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media_id INTEGER PRIMARY KEY,
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seaweedfs_fid TEXT (33) NOT NULL,
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filename TEXT (256) NOT NULL,
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content_type TEXT (256)
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);
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CREATE TABLE tags(
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tag_id INTEGER PRIMARY KEY,
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name TEXT (256) NOT NULL UNIQUE
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);
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CREATE TABLE media_tags(
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media_id INTEGER NOT NULL,
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tag_id INTEGER NOT NULL,
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FOREIGN KEY (media_id) REFERENCES media (media_id) ON DELETE CASCADE,
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FOREIGN KEY (tag_id) REFERENCES tags (tag_id) ON DELETE CASCADE,
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PRIMARY KEY(media_id, tag_id)
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);
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CREATE VIEW tag_count_view AS SELECT
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tags.tag_id AS tag_id,
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tags.name AS name,
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COUNT(media_tags.media_id) AS count
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FROM tags
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INNER JOIN media_tags USING (tag_id)
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GROUP BY tag_id;
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-- CREATE VIEW tagged_media_view AS SELECT
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-- tags.tag_id AS tag_id,
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-- tags.name AS tag_name,
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-- media.media_id AS media_id
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-- FROM media
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-- INNER JOIN media_tags USING (media_id)
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-- INNER JOIN tags USING (tag_id);
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