The following query results in an assertion fault (debug mode) or a
segfault (when compiled as for delivery):
WITH
cst(rsx, rsy) AS (
SELECT 100, 100
),
cst2(minx, maxx, stepx, miny, maxy, stepy, qualitativex, qualitativey) AS (
SELECT NULL, NULL, NULL, NULL, NULL, NULL, 0, 0
),
ds0(m, n, x, y, x2, y2, title, size, mark, label, markmode) AS (
SELECT 1, 2, 3, 4, 5, 6, 7 , 8, 9, 10, 11
),
ds(m, n, x, y, x2, y2, title, size, mark, label, markmode) AS (
SELECT m, n, x,
y, x2,
y2,
title, size, mark, label, markmode
FROM ds0
WINDOW w AS (PARTITION BY m, x ORDER BY n)
),
d(m, n, x, y, x2, y2, labelx,labely,title,size,mark,label,markmode) AS (
SELECT m, n, x, y, x2, y2, x, y, title, size, mark, label, markmode
FROM ds, cst2
),
ylabels(y, label) AS (
SELECT y, MIN(labely) FROM d GROUP BY y
),
yaxis(maxy, miny, stepy , minstepy) AS (
WITH
xt0(minx, maxx) AS (
SELECT coalesce(miny, min(min(y2),
min(y))),
coalesce(maxy, max(max(y2),
max(y))) + qualitativey
FROM d, cst2
),
xt1(mx, mn) AS (SELECT maxx, minx FROM xt0),
xt2(mx, mn, step) AS (SELECT mx, mn, (mx-mn) FROM xt1),
xt3(mx, mn, ms) AS (
SELECT mx, mn, first_value(rs) OVER (order by x desc) AS ms
FROM (SELECT mx, mn, step, f,(mx-mn) as rng,
1.0*step/f as rs, 1.0*(mx-mn)/(step/f) AS x
FROM xt2, (SELECT 1 AS f UNION ALL SELECT 2
UNION ALL SELECT 4
UNION ALL SELECT 5)) AS src
WHERE x < 10 limit 1),
xt4(minstepy) AS (
SELECT MIN(abs(y2-y)) FROM d WHERE y2 != y
)
SELECT (mx/ms)*ms, (mn/ms)*ms, coalesce(stepy, ms),
coalesce(minstepy, ms, stepy) FROM xt3, cst2,xt4
),
distinct_mark_n_m(mark, ze, zem, title) AS (
SELECT DISTINCT mark, n AS ze, m AS zem, title FROM ds0
),
facet0(m, mi, title, radial) AS (
SELECT md, row_number() OVER () - 1, title, 'radial'
IN (SELECT mark FROM distinct_mark_n_m WHERE zem = md)
FROM (SELECT DISTINCT zem AS md, title AS title
FROM distinct_mark_n_m ORDER BY 2, 1)
),
facet(m, mi, xorigin, yorigin, title, radial) AS (
SELECT m, mi,
rsx * 1.2 * IFNULL(CASE WHEN (
0
) > 0 THEN mi / (
0
) ELSE mi % (
2
) END, mi),
rsy * 1.2 * IFNULL(CASE WHEN (
2
) > 0 THEN mi / (
2
) ELSE mi / (
0
) END, 0),
title, radial FROM facet0, cst
),
radygrid(m, mi, tty, wty, ttx, ttx2, xorigin, yorigin) AS (
SELECT m, mi, rsy / 2 / ((maxy-miny)/stepy) * (value-1) AS tty,
coalesce(NULL, miny + stepy * (value-1)) AS wty,
xorigin, xorigin+rsx, xorigin + rsx / 2,
yorigin + rsy / 2
FROM generate_series(1), yaxis, cst,
facet LEFT JOIN ylabels ON ylabels.y = (miny + (value-1) * stepy)
WHERE radial AND stop = 1+1.0*(maxy-miny)/stepy
),
ypos(m, mi, pcx, pcy, radial) AS (
SELECT m, mi, xorigin, yorigin + CASE
WHEN 0 BETWEEN miny AND maxy THEN
rsy - (0 - miny) * rsy / (maxy-miny)
WHEN 0 >= maxy THEN 0
ELSE rsy
END, radial FROM yaxis, cst, facet WHERE NOT radial
UNION ALL
SELECT m, mi, xorigin + rsx / 2, yorigin + (CASE
WHEN 0 BETWEEN miny AND maxy THEN
rsy - (0 - miny) * rsy / 2 / (maxy-miny)
WHEN 0 >= maxy THEN 0
ELSE rsy
END ) / 2, radial FROM yaxis, cst, facet WHERE radial
)
SELECT * FROM radygrid , ypos;
This problem was reported by Forum post a41295d743. Bisecting
suggests the problem originated at check-in b5a0778cc5a98a86,
the implementation of the MATERIALIZED and NOT MATERIALIZED hints.