20 lines
472 B
SQL
20 lines
472 B
SQL
-- [PIPES]
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create type pipes_status as enum ('OPEN', 'CLOSED', 'CV');
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create table pipes
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(
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id varchar(32) primary key references _link(id)
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, node1 varchar(32) references _node(id) not null
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, node2 varchar(32) references _node(id) not null
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, length numeric not null
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, diameter numeric not null
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, roughness numeric not null
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, minor_loss numeric not null
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, status pipes_status not null
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, check (node1 <> node2)
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);
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-- delete when delete node1
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-- delete when delete node2
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