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|
--
\set VERBOSITY terse
--
-- tests of operations on nested row values
create type ntype1 as (fred integer, jim numeric);
create type ntype2 as (thingy text[], wotsit ntype1);
create type ntype3 as (foo text, bar ntype1, baz ntype2);
create type ntype4 as (col0 text, col1 ntype1, col2 ntype2, col3 ntype3);
--
do language pllua $$
local r = pgtype.ntype1(1,2)
print(r.fred, r.jim) -- deform
r.fred = 3 -- explode after deform
print(r.fred, r.jim)
r.jim = 4 -- modify pre-exploded value
print(pgtype.ntype1(r), r.fred, r.jim)
r = pgtype.ntype1(1,2)
r.fred = 3 -- explode before deform
print(r.fred, r.jim)
r.jim = 4 -- modify pre-exploded value
print(pgtype.ntype1(r), r.fred, r.jim)
$$;
do language pllua $$
local r0 = pgtype.ntype4("zzz",
{ fred = 1, jim = 2 },
{ thingy = {"a","b","c"},
wotsit = { fred = 3, jim = 4}
},
{ foo = "abcde",
bar = { fred = 5, jim = 6 },
baz = { thingy = {"x","y","z"},
wotsit = { fred = 7, jim = 8 } }
})
local r = pgtype.ntype4(r0)
-- deform from inner to outer
print(r.col3.baz.wotsit.fred)
print(r.col3.foo)
print(r.col1.fred)
-- and from outer to inner
print(r.col2.wotsit.jim)
print(r.col3.bar.jim)
-- start over with un-deformed datum
r = pgtype.ntype4(r0)
--deform from outer to inner
print(r.col1, r.col2, r.col3)
print(r.col1.jim, r.col2.thingy[3], r.col3.foo)
print(r.col2.wotsit.jim, r.col3.bar.jim, r.col3.baz.thingy[3])
print(r.col3.baz.wotsit.jim)
print(r) print(pgtype.ntype4(r))
-- start over with un-deformed datum
r = pgtype.ntype4(r0)
-- explode from inner
r.col3.baz.wotsit.jim = 10
r.col2.thingy[2] = "k"
print(r) print(pgtype.ntype4(r))
-- start over with un-deformed datum
r = pgtype.ntype4(r0)
-- explode from middle
r.col3.foo = "edcba"
r.col1.fred = -1
r.col3.baz.wotsit.jim = 80
r.col3.baz.wotsit.fred = 0
print(r) print(pgtype.ntype4(r))
-- start over with un-deformed datum
r = pgtype.ntype4(r0)
-- explode from top
r.col0 = "yyy"
r.col3.baz.thingy[1] = "@"
r.col1.jim = 20
print(r) print(pgtype.ntype4(r))
-- start over with un-deformed datum
r = pgtype.ntype4(r0)
-- partially deform then explode from a deformed element
print(r.col0, r.col2.wotsit.fred)
r.col2.wotsit.jim = 40
r.col1.jim = 0
r.col3.bar.jim = 0
print(r) print(pgtype.ntype4(r))
-- start over with un-deformed datum
r = pgtype.ntype4(r0)
-- partially deform then explode from an undeformed element
print(r.col0, r.col2.wotsit.fred)
r.col3.bar.jim = 0
r.col3.bar.fred = -1
r.col2.wotsit.fred = 0
r.col0 = "yyy"
r.col1 = { fred = 100, jim = 200 }
print(r) print(pgtype.ntype4(r))
$$;
-- various dropped-column scenarios
create table ntab1 (fred integer, sheila text, jim numeric);
create table ntab2 (thingy text[], wotsit ntab1);
create table ntab3 (foo text, bar ntab1, baz ntab2);
create table ntab4 (col0 text, col1 ntab1, col2 ntab2, col3 ntab3);
insert into ntab1 values (1, 'foo', 1.23);
insert into ntab2 select array['x','y'], t from ntab1 t;
insert into ntab3 select 'wot', t1, t2 from ntab1 t1, ntab2 t2;
insert into ntab4 select 'rabbit', t1, t2, t3 from ntab1 t1, ntab2 t2, ntab3 t3;
alter table ntab1 drop column sheila;
do language pllua $$
local r = pgtype.ntab1(1,2)
print(r.fred, r.jim) -- deform
r.fred = 3 -- explode after deform
print(r.fred, r.jim)
r.jim = 4 -- modify pre-exploded value
print(pgtype.ntab1(r), r.fred, r.jim)
r = pgtype.ntab1(1,2)
r.fred = 3 -- explode before deform
print(r.fred, r.jim)
r.jim = 4 -- modify pre-exploded value
print(pgtype.ntab1(r), r.fred, r.jim)
$$;
do language pllua $$
local tbl = spi.execute([[ select t from ntab4 t, generate_series(1,8) ]])
local r = tbl[1].t
-- deform from inner to outer
print(r.col3.baz.wotsit.fred)
print(r.col3.foo)
print(r.col1.fred)
-- and from outer to inner
print(r.col2.wotsit.jim)
print(r.col3.bar.jim)
-- start over with un-deformed datum
r = tbl[2].t
--deform from outer to inner
print(r.col1, r.col2, r.col3)
print(r.col1.jim, r.col2.thingy[3], r.col3.foo)
print(r.col2.wotsit.jim, r.col3.bar.jim, r.col3.baz.thingy[3])
print(r.col3.baz.wotsit.jim)
print(r) print(pgtype.ntab4(r))
-- start over with un-deformed datum
r = tbl[3].t
-- explode from inner
r.col3.baz.wotsit.jim = 10
r.col2.thingy[2] = "k"
print(r) print(pgtype.ntab4(r))
-- start over with un-deformed datum
r = tbl[4].t
-- explode from middle
r.col3.foo = "edcba"
r.col1.fred = -1
r.col3.baz.wotsit.jim = 80
r.col3.baz.wotsit.fred = 0
print(r) print(pgtype.ntab4(r))
-- start over with un-deformed datum
r = tbl[5].t
-- explode from top
r.col0 = "yyy"
r.col3.baz.thingy[1] = "@"
r.col1.jim = 20
print(r) print(pgtype.ntab4(r))
-- start over with un-deformed datum
r = tbl[6].t
-- partially deform then explode from a deformed element
print(r.col0, r.col2.wotsit.fred)
r.col2.wotsit.jim = 40
r.col1.jim = 0
r.col3.bar.jim = 0
print(r) print(pgtype.ntab4(r))
-- start over with un-deformed datum
r = tbl[7].t
-- partially deform then explode from an undeformed element
print(r.col0, r.col2.wotsit.fred)
r.col3.bar.jim = 0
r.col3.bar.fred = -1
r.col2.wotsit.fred = 0
r.col0 = "yyy"
r.col1 = { fred = 100, jim = 200 }
print(r) print(pgtype.ntab4(r))
$$;
--end
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