CREATE OR REPLACE FUNCTION public.verify_grp_pw()
RETURNS boolean
LANGUAGE plpgsql
AS $function$
DECLARE
verify boolean;
BEGIN
verify = (substring(( SELECT bristo_contacts_groups_pwd from bristo_contacts_groups
WHERE bristo_contacts_groups_group = ( SELECT
bristo_contacts_session_grpname FROM
bristo_contacts_session WHERE
bristo_contacts_session_username = current_user)),1,64) =
encode(digest(substring(( SELECT bristo_contacts_groups_pwd from bristo_contacts_groups
WHERE bristo_contacts_groups_group = ( SELECT
bristo_contacts_session_grpname FROM
bristo_contacts_session WHERE
bristo_contacts_session_username = current_user)),66,97) ||
( SELECT
bristo_contacts_session_grppwd FROM
bristo_contacts_session WHERE
bristo_contacts_session_username = current_user), 'sha256'),'hex'));
RETURN verify;
END;
$function$
Related
I have problem when create function for trigger. I want to UPDATE inserted value BEFORE INSERT data to DB.
My code look like this:
CREATE OR REPLACE FUNCTION test_func()
RETURNS TRIGGER AS
$$
DECLARE cnt INTEGER;
BEGIN
cnt := COUNT(*) FROM sample_tbl WHERE id = NEW.id AND created_date = NEW.created_date;
NEW.current_order := cnt + 1; // I want to set value of sample_tbl.current_order automatically
END
$$ LANGUAGE plpgsql;
CREATE TRIGGER test_trigger
BEFORE INSERT
ON test_tbl
FOR EACH ROW
EXECUTE PROCEDURE test_func();
I inserted data then IDE said:
control reached end of trigger procedure without RETURN
Where: PL/pgSQL function test_func()
The error says that you must return something from the Trigger ( either NEW or NULL )
There's no Trigger needed for this. A simple View using this select query will give you the required result
--create or replace view sample_view as
select t.id, t.created_date,
row_number() OVER ( partition by id,created_date order by id ) as current_order
FROM sample_tbl t;
This will exactly match the records if updated using a Trigger
CREATE OR REPLACE FUNCTION test_func()
RETURNS TRIGGER AS
$$
DECLARE cnt INTEGER;
BEGIN
select COUNT(*) INTO cnt FROM sample_tbl WHERE id = NEW.id
AND created_date = NEW.created_date;
NEW.current_order := cnt + 1;
RETURN NEW; --required
END
$$ LANGUAGE plpgsql;
Demo
Your trigger function is just missing RETURN NEW; statement:
CREATE OR REPLACE FUNCTION test_func()
RETURNS TRIGGER AS
$$
DECLARE cnt INTEGER;
BEGIN
cnt := COUNT(*) FROM sample_tbl WHERE id = NEW.id AND created_date = NEW.created_date;
NEW.current_order := cnt + 1;
RETURN NEW;
END
$$ LANGUAGE plpgsql;
I'm trying to create function on postgresql db using dbeaver. but when trying to save function i get error. its says "syntax error at or near "RETURN"". Maybe some one will see where is the problem.
CREATE OR REPLACE FUNCTION public.concept_children_by_id(concept_id bigint)
RETURNS TABLE(concept_description character varying, component_id bigint, father_id bigint, curr_level integer)
LANGUAGE plpgsql
AS $function$
BEGIN
WITH RECURSIVE OURCTE(component_id, father_id, curren_level) AS
(
SELECT
rel."sourceId",
rel."destinationId",
1::integer
FROM
en."sct2_Relationship_Snapshot_INT" AS rel
WHERE
rel."destinationId" = concept_id
AND
rel.active = '1'
AND
rel."typeId" = 116680003
UNION ALL
SELECT
e."sourceId",
e."destinationId",
rl.curren_level + '1'
FROM
OURCTE rl,
en."sct2_Relationship_Snapshot_INT" e
WHERE
e."destinationId" = rl."component_id"
AND
e.active = '1'
AND
e."typeId" = 116680003
)
RETURN QUERY
SELECT DISTINCT
des.term,
O.component_id,
O.father_id,
O.curren_level
FROM OURCTE O
INNER JOIN en."sct2_Description_Snapshot-en_INT" des ON (O.component_id = des."conceptId")
WHERE
des."typeId" = 900000000000003001;
ORDER BY curren_level;
RETURN;
END;
$function$
I am trying to run SELECT queries in PL/pgSQL IF statements using the code below:
DO
$do$
DECLARE
query_type real;
arr real[] := array[1];
BEGIN
IF query_type = 1 THEN
RETURN QUERY
SELECT "Westminster".*
FROM "Westminster"
WHERE ("Westminster".intersects = false AND "Westminster".area <= 100);
ELSE IF query_type = 0 THEN
RETURN QUERY
SELECT "Westminster".*
FROM "Westminster";
END IF;
END
$do$
However I get the following error, ERROR: cannot use RETURN QUERY in a non-SETOF function.
Does anyone know how I can get the above code to work? Thank you.
UPDATE: This ended up working for me:
CREATE OR REPLACE FUNCTION my_function(query_type integer)
RETURNS SETOF "Westminster" LANGUAGE plpgsql as $$
BEGIN
IF query_type = 1 THEN
RETURN QUERY
SELECT "Westminster".*
FROM "Westminster"
WHERE ("Westminster".intersects = false AND "Westminster".area <= 100);
ELSIF query_type = 0 THEN
RETURN QUERY
SELECT "Westminster".*
FROM "Westminster";
END IF;
END;
$$;
I then called the function like this:
SELECT * FROM my_function(1);
From the documentation:
The code block is treated as though it were the body of a function with no parameters, returning void.
You can use RETURN QUERY only in a function returning SETOF <type> or TABLE(...). Use the table "Westminster" as the resulting type, e.g.:
CREATE OR REPLACE FUNCTION my_function(query_type int)
RETURNS SETOF "Westminster" LANGUAGE plpgsql as $$
BEGIN
IF query_type = 1 THEN
RETURN QUERY
SELECT "Westminster".*
FROM "Westminster"
WHERE ("Westminster".intersects = false AND "Westminster".area <= 100);
ELSIF query_type = 0 THEN
RETURN QUERY
SELECT "Westminster".*
FROM "Westminster";
END IF;
END;
$$;
-- exemplary use:
SELECT * FROM my_function(1);
Note the proper use of ELSIF.
I don't think anonymous code blocks support it. Try creating a function and defining its resultset to table, e.g:
CREATE OR REPLACE FUNCTION myfunc() RETURNS TABLE (val INT) AS $$
BEGIN
RETURN QUERY SELECT 1;
END;
$$ LANGUAGE plpgsql;
To call your function you could use:
SELECT * FROM myfunc();
Note: keep in mind that the table declared on the function's header needs to have the same fields returned in the RETURN QUERY statement.
-- I can not understand where the error
CREATE OR REPLACE FUNCTION get_person_membership (IN person_urn CHARACTER VARYING)
RETURNS TEXT AS
$BODY$
DECLARE
result text;
urn ALIAS FOR $1;
BEGIN
SELECT INTO result pers.mx_groupmember FROM mt_person AS pers, mxt_recordheader AS rech
WHERE rech.primaryurn = 'urn'
AND rech.entitytype = 'person'
AND rech.logicalserverprefix = 'EA'
AND rech.id = pers.id;
RETURN result;
END;
$BODY$
LANGUAGE plpgsql
VOLATILE
COST 100
i simplified your query:
For input you can use $1, this goes to direct your condition.
You can return direct your result if you dont need anywhere else.
select * from get_person_membership('something');
CREATE OR REPLACE FUNCTION get_person_membership (IN person_urn CHARACTER VARYING)
RETURNS TEXT AS
$BODY$
BEGIN
RETURN (select pers.mx_groupmember --returns single value
FROM mt_person AS pers, mxt_recordheader AS rech
WHERE rech.primaryurn = $1 --input value from person_urn
AND rech.entitytype = 'person'
AND rech.logicalserverprefix = 'EA'
AND rech.id = pers.id);
END;
$BODY$
LANGUAGE plpgsql
VOLATILE
COST 100
No need for PL/pgSQL, a simple SQL function will do:
CREATE OR REPLACE FUNCTION get_person_membership (IN person_urn CHARACTER VARYING)
RETURNS TEXT AS
$BODY$
SELECT pers.mx_groupmember
FROM mt_person AS pers
JOIN mxt_recordheader AS rech ON rech.id = pers.id
WHERE rech.primaryurn = person_urn --<< input parameter
AND rech.entitytype = 'person'
AND rech.logicalserverprefix = 'EA';
$BODY$
LANGUAGE sql;
I'm trying to create a function for pgsql where I need to return a boolean if an equipment exists in a lecture hall. I'm getting the following error:
"ERROR: return type mismatch in function declared to return boolean"
"DETAIL: Function's final statement must be SELECT or INSERT/UPDATE/DELETE RETURNING."
CREATE FUNCTION hasProjector(int) RETURNS boolean AS $$
DO
$do$
BEGIN
IF EXISTS(SELECT * FROM LectureRoomEquipment WHERE LectureRoomID = $1 AND EquipmentID = 1) THEN
SELECT true AS hasProjector;
ELSE
SELECT false AS hasProjector;
END IF;
END
$do$
$$ LANGUAGE SQL;
Does anyone advise me what i'm doing wrong and how I can fix this? Thank you.
You don't need plpgsql. Do it as plain SQL
create function hasprojector(int) returns boolean as $$
select exists (
select *
from lectureroomequipment
where lectureroomid = $1 and equipmentid = 1
);
$$ language sql;