Code Inspection: Postgres: Select from procedure call

Reports situations when you make SELECT from a function or a DBLINK without an alias with a type (for example, AS t1(s VARCHAR)).

This requirement does not apply to scalar functions.

Example (PostgreSQL):

CREATE FUNCTION produce_a_table() RETURNS RECORD AS $$
SELECT 1;
$$ LANGUAGE sql;
SELECT * FROM produce_a_table() AS s (c1 INT);
SELECT * FROM produce_a_table() AS s (c1);
SELECT * FROM DBLINK('dbname=mydb', 'SELECT proname, prosrc FROM pg_proc') AS t1;

The AS s (c1 INT) has a typed alias, while AS s (c1) and AS t1 do not. In this case, the second call of produce_a_table() and DBLINK() will be highlighted.

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Last modified: 13 May 2022