hi all,
i have written one function, but it is showing some error, the code is as follows: -
CREATE OR REPLACE FUNCTION fn_name(int8, int8, int8, "varchar", date, date)
-
RETURNS "varchar" AS
-
'
-
declare
-
dt numeric;
-
a varchar(20);
-
start_dt alias for $5;
-
end_dt alias for $6;
-
et alias for $4;
-
begin
-
if et = \'D\' then
-
while not start_dt = end_dt loop
-
insert into tbl1(event_cd, party_cd, project_cd, event_type,event_dt) values ($1,$2,$3,$4,start_dt)
-
start_dt:=to_date(start_dt,\'yyyy-mm-dd\') + interval \'1 day\';
-
end loop;
-
end if;
-
return \'a\';
-
end'
-
LANGUAGE 'plpgsql' VOLATILE;
-
-
i want to insert the whole data with only the date incremented by 1 day till it equals to the end date. but it shows the error:
parser:parse error at or near "$6" at character 112
can anyone help me?
TIA
4 1291 michaelb 534
Recognized Expert Contributor
It often helps to provide information such as what version of database you are using, do you get a compile time or run time error, and, if this is the run time error what are the arguments you pass to the function.
I suppose that you are getting a compile time error, can you post the version of Postgresql?
michaelb 534
Recognized Expert Contributor
I took a closer look at your code and I think you probably have a run time error;
I can spot at least two problems in your function:
1) On line 13 the INSERT statement is not terminated with semi-colon, this is likely the cause of the error message you got.
2) On line 14 you are changing the value of $5.
The function arguments are considered to be constants, and so their aliases.
If you get another error after terminating INSERT with ";" you may have to change your code like this: -
declare
-
... ... ...
-
start_dt date ;
-
-
begin
-
start_dt := $5;
-
... ... ... ...
-
This should allow incrementing value of start_dt
I took a closer look at your code and I think you probably have a run time error;
I can spot at least two problems in your function:
1) On line 13 the INSERT statement is not terminated with semi-colon, this is likely the cause of the error message you got.
2) On line 14 you are changing the value of $5.
The function arguments are considered to be constants, and so their aliases.
If you get another error after terminating INSERT with ";" you may have to change your code like this: -
declare
-
... ... ...
-
start_dt date ;
-
-
begin
-
start_dt := $5;
-
... ... ... ...
-
This should allow incrementing value of start_dt
thanx for your suggestion michaelb,
it really helped me a lot.
thanx once again
michaelb 534
Recognized Expert Contributor
coolminded, you are very welcome!
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