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Curently, subselects can't be used as PSQL expressions, and all these constructions result in error:
var = (select ... from ...);
if ((select ... from ...) = 1) then
if (1 = any (select ... from ...)) then
if (1 in (select ... from ...)) then
These are all potentially valid expressions. Now the user need to write independents SELECT ... INTO without any advantage.
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Description
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Curently, subselects can't be used as PSQL expressions, and all these constructions result in error:
var = (select ... from ...);
if ((select ... from ...) = 1) then
if (1 = any (select ... from ...)) then
if (1 in (select ... from ...)) then
These are all potentially valid expressions. Now the user need to write independents SELECT ... INTO without any advantage. |
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Improvement
Resolved
Major
Allow usage of subselects as PSQL expressions
