Postgres Sql Else If Syntax error

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I am very new to PostgreSQL and i am trying to make a function in this but it's showing syntax error

SQL

CREATE OR REPLACE FUNCTION master.test(tehsil text, district text, state text,flag text)
    RETURNS SETOF refcursor AS
    $BODY$DECLARE
    recordSet  refcursor;  
    BEGIN

        OPEN  recordset FOR
        IF flag = 'A' THEN
            SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07';
	[ ELSIF flag = 'B' THEN
	    SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07' AND districtcode = '';
        [ ELSIF flag = 'C' THEN
	    SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07' AND districtcode = '' AND tehsilcode = '';
		]
	]
        [ ELSE
           SELECT Count(*) FROM population WHERE incomein(1,2); ]
        END IF;
        RETURN NEXT recordSet;
        RETURN;
    END; $BODY$
    LANGUAGE plpgsql

Posted 21-May-13 0:19am

Anusha Srivastava

Updated 21-May-13 0:34am

Prasad Khandekar

v2

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Aarti Meswania · Accepted Answer · 2013-05-21T00:49:00

Solution 1

visit link...
http://stackoverflow.com/questions/13122862/yet-another-stored-procedure-syntax-error-if-then-else[^]

Try this...

SQL

IF flag = 'A' THEN
            SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07';
ELSEIF flag = 'B' THEN
	    SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07' AND districtcode = '';
ELSEIF flag = 'C' THEN
	    SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07' AND districtcode = '' AND tehsilcode = '';
ELSE
           SELECT Count(*) FROM population WHERE incomein(1,2); 
END IF;

Happy Coding!
:)

Posted 21-May-13 0:49am

Aarti Meswania

Updated 21-May-13 1:00am

v2

Comments

Anusha Srivastava 21-May-13 6:55am

My language is already 'plpgsql'

Aarti Meswania 21-May-13 7:00am

see updated solution :)

Anusha Srivastava 21-May-13 7:15am

i had also tried this

CREATE OR REPLACE FUNCTION master.test(tehsil text, district text, state text,flag text)
RETURNS void AS
$$
BEGIN

IF flag='A' THEN
select Count(*) from population where income in(1,2)and statecode='07';
ELSIF flag='B' THEN
select Count(*) from population where incomesource_urban in(1,2) and statecode='07' and districtcode='' ;
ELSIF flag='C' THEN
select Count(*) from population where income in(1,2) and statecode='07'and districtcode='' and tehsilcode='';

ELSE
select Count(*) from population where incomesource_urban in(1,2);
END IF;

$$
LANGUAGE plpgsql

and this also

CREATE OR REPLACE FUNCTION master.test(tehsil text, district text, state text,flag text)
RETURNS SETOF refcursor AS
$BODY$DECLARE
recordSet refcursor;
BEGIN

OPEN recordset FOR

IF flag='A' THEN
select Count(*) from population where incomesource_urban in(1,2)and statecode='07';
[ ELSIF flag='B' THEN
select Count(*) from population where income in(1,2) and statecode='07' and districtcode='' ;
[ ELSIF flag='C' THEN
select Count(*) from population where incomesource_urban in(1,2) and statecode='07'and districtcode='' and tehsilcode='';
]
]
[ ELSE
select Count(*) from population where income in(1,2); ]
END IF;

RETURN NEXT recordSet;
RETURN;
END; $BODY$
LANGUAGE plpgsql

I think there is some syntax error when the query is returning some value

Aarti Meswania 21-May-13 7:26am

if it's postgres version 8 then...
there is bug there visit link...
http://www.postgresql.org/message-id/20041126111429.105AA7388F4@www.postgresql.com

you can go with nested if...
If flag='a' then
SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07';
else
If flag='b' then
SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07' AND districtcode = '';
else
If flag='c' then
SELECT Count(*) FROM population WHERE incomein(1,2) AND statecode='07' AND districtcode = '' AND tehsilcode = '';
else
SELECT Count(*) FROM population WHERE incomein(1,2);
end if;
end if;
end if;

Anusha Srivastava 21-May-13 7:27am

yaa got it thks :)

Aarti Meswania 21-May-13 7:58am

Welcome!
Glad to help you! :)