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set client_min_messages = 'WARNING';
create table pl_box (
data box, barea float, boverlaps bool, boverleft bool, boverright bool,
bleft bool, bright bool
);
create or replace function box_val(box[]) returns setof pl_box as '
b1 = Box.new(2.5,2.5,1.0,1.0)
b2 = Box.new(2.0,2.0,2.5,2.5)
b3 = Box.new(3.0,3.0,5.0,5.0)
args[0].each do |b|
yield [b, b.area, b.overlap?(b1), b.overleft?(b2),
b.overright?(b2), b.left?(b3), b3.right?(b)]
end
' language 'plruby';
select * from
box_val('{(2.0,2.0,0.0,0.0);(1.0,1.0,3.0,3.0);(2.5,2.5,2.5,3.5);(3.0,3.0,3.0,3.0)}'::box[]);
drop table pl_box cascade;
create table pl_box (
b box, bcmp1 int, bcmp2 int, bin bool, bcontain bool, bcenter point
);
create or replace function box_val(box[]) returns setof pl_box as '
b1 = Box.new(3.0,3.0,5.0,5.0)
b2 = Box.new(3.5,3.0,4.5,3.0)
b3 = Box.new(0,0,3,3)
args[0].each do |b|
yield [b, b <=> b1, b <=> b2, b.in?(b3), b.contain?(b3), b.center]
end
' language 'plruby';
select * from
box_val('{(2.0,2.0,0.0,0.0);(1.0,1.0,3.0,3.0);(2.5,2.5,2.5,3.5);(3.0,3.0,3.0,3.0)}'::box[]);
drop table pl_box cascade;
create table pl_box (
b0 box, b1 box, b2 box, b3 box
);
create or replace function box_val(box[]) returns setof pl_box as '
p0 = [Point.new(-10.0,0.0), Point.new(-3.0,4.0),
Point.new(5.1, 34.5), Point.new(-5.0,-12.0)]
args[0].each do |b|
p0.each do |p|
yield [b + p, b - p, b * p, b / p]
end
p0.each do |p|
yield [p + b, p - b, p * b, p / b]
end
end
' language 'plruby';
select * from
box_val('{(2.0,2.0,0.0,0.0);(1.0,1.0,3.0,3.0);(2.5,2.5,2.5,3.5);(3.0,3.0,3.0,3.0)}'::box[]);
drop table pl_box cascade;
create table pl_box (
p point, dp float, d0 float, c circle, w float, h float
);
create or replace function box_val(box[]) returns setof pl_box as '
p = Point.new(6,4)
args[0].each do |b|
p0 = b.center
yield [p0, Geometry::distance(p, b),Geometry::distance(p, p0),
b.to_circle, b.height, b.width]
end
' language 'plruby';
select * from
box_val('{(2.0,2.0,0.0,0.0);(1.0,1.0,3.0,3.0);(2.5,2.5,2.5,3.5);(3.0,3.0,3.0,3.0)}'::box[]);
drop table pl_box cascade;
create table pl_box (
nb int, ll float, pc bool
);
create or replace function path_val(path[]) returns setof pl_box as '
args[0].each do |b|
yield [b.npoints, b.length, b.closed?]
end
' language 'plruby';
select * from
path_val('{"[1,2,3,4]","(0,0),(3,0),(4,5),(1,6)","11,12,13,14,25,12"}'::path[]);
drop table pl_box cascade;
create table pl_box (
p path, p0 path, p1 path
);
create or replace function path_val(path[]) returns setof pl_box as '
p0 = Point.new(6,7)
args[0].each do |b|
yield [b, b + p0, b - p0]
end
' language 'plruby';
select * from
path_val('{"[1,2,3,4]","(0,0),(3,0),(4,5),(1,6)","11,12,13,14,25,12"}'::path[]);
drop table pl_box cascade;
create table pl_box (
p path, p0 path, p1 path
);
create or replace function path_val(path[]) returns setof pl_box as '
p0 = Point.new(6,7)
args[0].each do |b|
yield [b, b * p0, b / p0]
end
' language 'plruby';
select * from
path_val('{"[1,2,3,4]","(0,0),(3,0),(4,5),(1,6)","11,12,13,14,25,12"}'::path[]);
drop table pl_box cascade;
create table pl_box (
center point, area float, radius float, diameter float
);
create or replace function circle_val(circle[]) returns setof pl_box as '
args[0].each do |b|
yield b.center, b.area, b.radius, b.diameter
end
' language 'plruby';
select * from
circle_val('{"<(5,1),3>","<(1,2),100>","<(100,200),10>","<(100,1),115>","1,3,5"}'::circle[]);
drop table pl_box cascade;
create table pl_box (
p circle, p0 circle, p1 circle
);
create or replace function circle_val(circle[]) returns setof pl_box as '
p0 = Point.new(6,7)
args[0].each do |b|
yield [b, b + p0, b - p0]
end
' language 'plruby';
select * from
circle_val('{"<(5,1),3>","<(1,2),100>","<(100,200),10>","<(100,1),115>","1,3,5"}'::circle[]);
drop table pl_box cascade;
create table pl_box (
p circle, p0 circle, p1 circle
);
create or replace function circle_val(circle[]) returns setof pl_box as '
p0 = Point.new(6,7)
args[0].each do |b|
yield [b, p0 * b, p0 / b ]
end
' language 'plruby';
select * from
circle_val('{"<(5,1),3>","<(1,2),100>","<(100,200),10>","<(100,1),115>","1,3,5"}'::circle[]);
drop table pl_box cascade;
create table pl_box (
overlap bool, overleft bool, overright bool,
bleft bool, bright bool, below bool, above bool
);
create or replace function circle_val(circle, circle) returns setof pl_box as '
b0 = args[0]
b1 = args[1]
yield b0.overlap?(b1), b0.overleft?(b1), b0.overright?(b1),
b0.left?(b1), b0.right?(b1), b0.below?(b1), b0.above?(b1)
' language 'plruby';
select * from
circle_val('<(5,1),3>'::circle, '<(1,2),100>'::circle);
select * from
circle_val('<(100,200),10>'::circle, '<(100,1),115>'::circle);
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