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#1
January 26th, 2013, 10:51 AM
 alphak01
Registered User

Join Date: Jan 2013
Posts: 8
Time spent in forums: 2 h 11 m 41 sec
Reputation Power: 0
Error in PL/pgSQL function

Hello, I have an error in the function below,
I am not able to solve,
should probably be in quotes

Code:
```CREATE OR REPLACE FUNCTION formula_cont_nv2(mesi integer, mesf integer, anoi integer, anof integer)
RETURNS text AS
\$BODY\$
DECLARE
sqlbusca text := '';
contabilizacoes record;

BEGIN
sqlbusca :=  'WITH v_entradas
AS (
SELECT date_trunc(month, ent_data) mes
,sum(ent_valor) soma
WHERE extract(year FROM ent_data) = extract(year FROM now())
GROUP BY 1
)
,v_saidas
AS (
SELECT date_trunc(month, sai_data) mes
,sum(sai_valor) soma
FROM saidas
WHERE extract(year FROM sai_data) = extract(year FROM now())
GROUP BY 1
)
SELECT extract(year FROM gs.mes)::NUMERIC ano
,extract(month FROM gs.mes)::NUMERIC mes
,round(coalesce(e.soma, 0), 2) entrada
,round(coalesce(s.soma, 0), 2) saida
,round(coalesce(e.soma, 0) - coalesce(s.soma, 0), 2) saldo
,round(coalesce((100 * s.soma) / e.soma, 0), 2) percentual
INNER JOIN v_saidas s ON e.mes = s.mes
RIGHT JOIN generate_series('||'2013-01-01'||'::DATE, '||'2013-12-01'||'::DATE, '||'1 month'||') gs(mes) ON gs.mes = e.mes';
for contabilizacoes in EXECUTE(sqlbusca)loop
EXECUTE 'DELETE FROM CONTABILIZACOES';

EXECUTE 'INSERT INTO contabilizacoes (con_mes,con_ano) values ('||contabilizacoes.mes||','||contabilizacoes.ano||')';
end loop;

RETURN 'OK';
END
\$BODY\$
LANGUAGE plpgsql VOLATILE
COST 100;
```

Code:
`select formula_cont_nv2(1,2,2013,2013)`

Code:
```ERROR: syntax error at or near "month"
LINE 25: ...rate_series(2013-01-01::DATE, 2013-12-01::DATE, 1 month) gs(...
^

#2
January 26th, 2013, 12:30 PM
 Jacques1
pollyanna

Join Date: Jul 2012
Location: Germany
Posts: 1,877
Time spent in forums: 1 Month 2 Weeks 2 Days 5 h 32 m
Reputation Power: 813
Hi,

there is no
Code:
`1 month`

in PostgreSQL. I guess you meant
Code:
`interval '1 month'`

#3
January 26th, 2013, 04:26 PM
 alphak01
Registered User

Join Date: Jan 2013
Posts: 8
Time spent in forums: 2 h 11 m 41 sec
Reputation Power: 0
Hi
I added the following line:
Code:
`interval '1 month'`

But still giving error:
Code:
```ERROR: syntax error at or near "1"
LINE 25: ...ries (2013-1-01::date,2013-12-01::date + interval 1 month) g...```

Function with changes:

Code:
```CREATE OR REPLACE FUNCTION formula_cont_nv2(mesi integer, mesf integer, anoi integer, anof integer)
RETURNS text AS
\$BODY\$
DECLARE
sqlbusca text := '';
contabilizacoes record;

BEGIN
sqlbusca := 'WITH v_entradas
AS (
SELECT date_trunc(month, ent_data) mes
,sum(ent_valor) soma
WHERE extract(year FROM ent_data) = extract(year FROM now())
GROUP BY 1
)
,v_saidas
AS (
SELECT date_trunc(month, sai_data) mes
,sum(sai_valor) soma
FROM saidas
WHERE extract(year FROM sai_data) = extract(year FROM now())
GROUP BY 1
)
SELECT extract(year FROM gs.mes)::NUMERIC ano
,extract(month FROM gs.mes)::NUMERIC mes
,round(coalesce(e.soma, 0), 2) entrada
,round(coalesce(s.soma, 0), 2) saida
,round(coalesce(e.soma, 0) - coalesce(s.soma, 0), 2) saldo
,round(coalesce((100 * s.soma) / e.soma, 0), 2) percentual
INNER JOIN v_saidas s ON e.mes = s.mes
RIGHT OUTER JOIN generate_series ('||'2013-1-01'||'::date,'||'2013-12-01'||'::date + interval '||'1'||' month'||') gs(mes) on gs.mes = e.mes';
for contabilizacoes in EXECUTE(sqlbusca)loop
EXECUTE 'DELETE FROM CONTABILIZACOES';

EXECUTE 'INSERT INTO contabilizacoes (con_mes,con_ano) values ('||contabilizacoes.mes||','||contabilizacoes.ano||')';
end loop;

RETURN 'OK';
END
\$BODY\$
LANGUAGE plpgsql VOLATILE
COST 100;```

Thanks For Attention

#4
January 26th, 2013, 05:04 PM
 shammat
Contributing User

Join Date: Oct 2003
Location: Germany
Posts: 2,685
Time spent in forums: 1 Month 3 Weeks 3 Days 19 h 57 m 3 sec
Reputation Power: 284
It's not interval 1 month

It's either:
Code:
`interval '1 month'`
or
Code:
`interval '1' month`
Note the single quotes.
__________________
I will not read nor answer questions where the SQL code is messy and not formatted properly using [code] tags.
http://forums.devshed.com/misc.php?do=bbcode#code

Tips on how to ask better questions:
http://wiki.postgresql.org/wiki/SlowQueryQuestions
http://catb.org/esr/faqs/smart-questions.html

#5
January 26th, 2013, 05:53 PM
 alphak01
Registered User

Join Date: Jan 2013
Posts: 8
Time spent in forums: 2 h 11 m 41 sec
Reputation Power: 0
My problem is this line:
Code:
`RIGHT OUTER JOIN generate_series ('||'2013-1-01'||'::date,'||'2013-12-01'||'::date + interval '||'1'||' month'||') gs(mes) on gs.mes = e.mes';`

I am not able to solve the error of single quotes.

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