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Diffstat (limited to 'examples/gradient.sql')
| -rw-r--r-- | examples/gradient.sql | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/examples/gradient.sql b/examples/gradient.sql deleted file mode 100644 index f04cdad..0000000 --- a/examples/gradient.sql +++ /dev/null @@ -1,12 +0,0 @@ -DELETE FROM images WHERE id = 'gradient'; -INSERT INTO images (id, width, height) VALUES ('gradient', 200, 200) RETURNING id; - -WITH RECURSIVE - image AS (SELECT * FROM images WHERE id = 'gradient'), - horizontal(x) AS - (SELECT width FROM image UNION ALL SELECT x - 1 FROM horizontal WHERE x > 1), - vertical(y) AS - (SELECT height FROM image UNION ALL SELECT y - 1 FROM vertical WHERE y > 1), - _pixels(x, y, r, g, b) AS - (SELECT x, y, mod(x, 255), mod(y, 255), 100 FROM vertical, horizontal) -INSERT INTO pixels (image_id, x, y, r, g, b) SELECT 'gradient', x, y, r, g, b FROM _pixels; |
