PostgreSQLFunction with two select statements
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I'm trying to create a PostgreSQL function declaring two variables to return on each one the result of a different query, the query themselves are really simple, and rely on the same select with different conditions:
select count (*) from editions where year >= '2000'
and
select count (*) from editions where year < '2000'
The structure of the table is also simple, there are three rows:
- Code (numeric)
- Version (character)
- Year (integer)
How can I create this function?
postgresql function stored-procedures procedure
asked Nov 21 '18 at 23:11
Iago MaciélIago Maciél
82
add a comment |
I'm trying to create a PostgreSQL function declaring two variables to return on each one the result of a different query, the query themselves are really simple, and rely on the same select with different conditions:
select count (*) from editions where year >= '2000'
and
select count (*) from editions where year < '2000'
The structure of the table is also simple, there are three rows:
- Code (numeric)
- Version (character)
- Year (integer)
How can I create this function?
postgresql function stored-procedures procedure
asked Nov 21 '18 at 23:11
Iago MaciélIago Maciél
82
add a comment |
I'm trying to create a PostgreSQL function declaring two variables to return on each one the result of a different query, the query themselves are really simple, and rely on the same select with different conditions:
select count (*) from editions where year >= '2000'
and
select count (*) from editions where year < '2000'
The structure of the table is also simple, there are three rows:
- Code (numeric)
- Version (character)
- Year (integer)
How can I create this function?
postgresql function stored-procedures procedure
asked Nov 21 '18 at 23:11
Iago MaciélIago Maciél
82
I'm trying to create a PostgreSQL function declaring two variables to return on each one the result of a different query, the query themselves are really simple, and rely on the same select with different conditions:
select count (*) from editions where year >= '2000'
and
select count (*) from editions where year < '2000'
The structure of the table is also simple, there are three rows:
- Code (numeric)
- Version (character)
- Year (integer)
How can I create this function?
postgresql function stored-procedures procedure
postgresql function stored-procedures procedure
asked Nov 21 '18 at 23:11
Iago MaciélIago Maciél
82
asked Nov 21 '18 at 23:11
Iago MaciélIago Maciél
82
asked Nov 21 '18 at 23:11
Iago MaciélIago Maciél
82
asked Nov 21 '18 at 23:11
Iago MaciélIago Maciél
82
asked Nov 21 '18 at 23:11
Iago MaciélIago Maciél
82
82
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
This is so basic.. I think you can find many tutorial in Google to create this Function.. And your Year column are Integer so don't treat like String use Single Quote..
Function totalRecords1()
CREATE OR REPLACE FUNCTION totalRecords1()
RETURNS integer AS $total1$
declare
total1 integer;
BEGIN
SELECT count(*) into total1
FROM your_table
WHERE year >= 2000;
RETURN total1;
END;
$total1$ LANGUAGE plpgsql;
Function totalRecords2()
CREATE OR REPLACE FUNCTION totalRecords2()
RETURNS integer AS $total2$
declare
total2 integer;
BEGIN
SELECT count(*) into total2
FROM your_table
WHERE year < 2000;
RETURN total2;
END;
$total2$ LANGUAGE plpgsql;
And Select Statement
select totalrecords1(), totalrecords2();
You can see here in DEMO
answered Nov 22 '18 at 0:00
dwir182dwir182
1,447619
Thank you so much, that got the job done!
– Iago Maciél
Nov 22 '18 at 2:14
Glad to help.. :)
– dwir182
Nov 22 '18 at 2:15
add a comment |
Your Answer
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
This is so basic.. I think you can find many tutorial in Google to create this Function.. And your Year column are Integer so don't treat like String use Single Quote..
Function totalRecords1()
CREATE OR REPLACE FUNCTION totalRecords1()
RETURNS integer AS $total1$
declare
total1 integer;
BEGIN
SELECT count(*) into total1
FROM your_table
WHERE year >= 2000;
RETURN total1;
END;
$total1$ LANGUAGE plpgsql;
Function totalRecords2()
CREATE OR REPLACE FUNCTION totalRecords2()
RETURNS integer AS $total2$
declare
total2 integer;
BEGIN
SELECT count(*) into total2
FROM your_table
WHERE year < 2000;
RETURN total2;
END;
$total2$ LANGUAGE plpgsql;
And Select Statement
select totalrecords1(), totalrecords2();
You can see here in DEMO
answered Nov 22 '18 at 0:00
dwir182dwir182
1,447619
Thank you so much, that got the job done!
– Iago Maciél
Nov 22 '18 at 2:14
Glad to help.. :)
– dwir182
Nov 22 '18 at 2:15
add a comment |
This is so basic.. I think you can find many tutorial in Google to create this Function.. And your Year column are Integer so don't treat like String use Single Quote..
Function totalRecords1()
CREATE OR REPLACE FUNCTION totalRecords1()
RETURNS integer AS $total1$
declare
total1 integer;
BEGIN
SELECT count(*) into total1
FROM your_table
WHERE year >= 2000;
RETURN total1;
END;
$total1$ LANGUAGE plpgsql;
Function totalRecords2()
CREATE OR REPLACE FUNCTION totalRecords2()
RETURNS integer AS $total2$
declare
total2 integer;
BEGIN
SELECT count(*) into total2
FROM your_table
WHERE year < 2000;
RETURN total2;
END;
$total2$ LANGUAGE plpgsql;
And Select Statement
select totalrecords1(), totalrecords2();
You can see here in DEMO
answered Nov 22 '18 at 0:00
dwir182dwir182
1,447619
Thank you so much, that got the job done!
– Iago Maciél
Nov 22 '18 at 2:14
Glad to help.. :)
– dwir182
Nov 22 '18 at 2:15
add a comment |
This is so basic.. I think you can find many tutorial in Google to create this Function.. And your Year column are Integer so don't treat like String use Single Quote..
Function totalRecords1()
CREATE OR REPLACE FUNCTION totalRecords1()
RETURNS integer AS $total1$
declare
total1 integer;
BEGIN
SELECT count(*) into total1
FROM your_table
WHERE year >= 2000;
RETURN total1;
END;
$total1$ LANGUAGE plpgsql;
Function totalRecords2()
CREATE OR REPLACE FUNCTION totalRecords2()
RETURNS integer AS $total2$
declare
total2 integer;
BEGIN
SELECT count(*) into total2
FROM your_table
WHERE year < 2000;
RETURN total2;
END;
$total2$ LANGUAGE plpgsql;
And Select Statement
select totalrecords1(), totalrecords2();
You can see here in DEMO
answered Nov 22 '18 at 0:00
dwir182dwir182
1,447619
This is so basic.. I think you can find many tutorial in Google to create this Function.. And your Year column are Integer so don't treat like String use Single Quote..
Function totalRecords1()
CREATE OR REPLACE FUNCTION totalRecords1()
RETURNS integer AS $total1$
declare
total1 integer;
BEGIN
SELECT count(*) into total1
FROM your_table
WHERE year >= 2000;
RETURN total1;
END;
$total1$ LANGUAGE plpgsql;
Function totalRecords2()
CREATE OR REPLACE FUNCTION totalRecords2()
RETURNS integer AS $total2$
declare
total2 integer;
BEGIN
SELECT count(*) into total2
FROM your_table
WHERE year < 2000;
RETURN total2;
END;
$total2$ LANGUAGE plpgsql;
And Select Statement
select totalrecords1(), totalrecords2();
You can see here in DEMO
answered Nov 22 '18 at 0:00
dwir182dwir182
1,447619
answered Nov 22 '18 at 0:00
dwir182dwir182
1,447619
answered Nov 22 '18 at 0:00
dwir182dwir182
1,447619
answered Nov 22 '18 at 0:00
dwir182dwir182
1,447619
1,447619
Thank you so much, that got the job done!
– Iago Maciél
Nov 22 '18 at 2:14
Glad to help.. :)
– dwir182
Nov 22 '18 at 2:15
add a comment |
Thank you so much, that got the job done!
– Iago Maciél
Nov 22 '18 at 2:14
Glad to help.. :)
– dwir182
Nov 22 '18 at 2:15
Thank you so much, that got the job done!
– Iago Maciél
Nov 22 '18 at 2:14
Thank you so much, that got the job done!
– Iago Maciél
Nov 22 '18 at 2:14
Glad to help.. :)
– dwir182
Nov 22 '18 at 2:15
Glad to help.. :)
– dwir182
Nov 22 '18 at 2:15
add a comment |
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