Mandelbrot set - PostgreSQL wiki

This SQL query (requires PostgreSQL 8.4) produces an ASCII-art image of the Mandelbrot set. It is written entirely in SQL:2008-conformant SQL. WITH RECURSIVE x(i) AS ( VALUES(0) UNION ALL SELECT i + 1 FROM x WHERE i < 101 ), Z(Ix, Iy, Cx, Cy, X, Y, I) AS ( SELECT Ix, Iy, X::float, Y::float, X::float, Y::float, 0 FROM (SELECT -2.2 + 0.031 * i, i FROM x) AS xgen(x,ix) CROSS JOIN (SELECT -1.5 + 0.031

[InoHiro]

マンデルブロ集合描いてる。ヤバい