I'd like to ask how to pass an array of strings as parameter in Peoplesoft.
In Oracle query, I can do that like the following
SELECT EMP_ID, EMP_NAME
from EMPLOYEE
where EMP_ID in (select regexp_substr(:empid,'[^,]+', 1, level) from dual connect by regexp_substr(:empid, '[^,]+', 1, level) is not null)
And pass in parameter value as
E001,E002,E003,...
But in Peoplesoft Query Manager, when I create the in criteria to a subquery, it does not allow from clause in it.
Another alternative that I try is using Prompt and then pass the value to it, so the query becomes like:
SELECT EMP_ID, EMP_NAME
from EMPLOYEE
where EMP_ID in (:1)
But this also does not work.
So how do I do this?
I can't tell if you are asking about doing this in ps query manager or in peoplecode.
Maybe use older methods, like populating a table first, and joining to that table. Maybe use a "With" clause.
Please share what you ended up using, to accomplish your goal.
Related
I know this isn't a specific bit of code or problem, but I am having trouble with a very similar issue to the person asking this (except theirs is for SQL Server): Combining INSERT INTO and WITH/CTE ...and I can't seem to find it out there on any SAP HANA help forums etc. so thought there may be an expert on here who can just give me a simple yes or no answer.
The SQL statement I am using contains multiple CTEs, but when I try to insert it tells me there is a Syntax error around the word INSERT. It is definitely laid out exactly the same as in the question I've linked above (spent hours checking), and I can post code samples if necessary but I simply want to know whether it is supported first! Thanks
Short answer:
No, CTEs are not supported for INSERT/UPDATE statements.
Longer answer:
SQLScript's INSERT/UPDATE commands are actually "borrowed" SQL commands as the documentation explains.
Checking the documentation for SQL INSERT we find that it supports a subquery as a source of values.
The subquery term is defined as part of the SQL SELECT statement. Checking the documentation for SELECT shows that <subquery> and <with_clause> are different, non-overlapping terms.
This means, that CTEs cannot be used in subqueries and therefore not be part of the subqueries used in INSERT/UPDATE commands.
You can, however, use SQLScript table variables in INSERT statements in your SQLScript blocks, which is very similar to CTEs:
DO BEGIN
te_a := SELECT 10, 'xyz' as VAL from dummy;
te_b := SELECT 20, 'abc' as VAL from dummy;
te_all := SELECT * from :te_a
UNION ALL SELECT * from :te_b;
INSERT INTO VALS
(SELECT * from :te_all);
END;
You can convert the CTE into a Sub-Select statement in many cases
You can use following
insert into city (city, countryid, citycode)
select
city, countryid, citycode
from (
-- CTE Expression as subselect
select * from city
-- end (CTE)
) cte
Instead of using following valid CTE command combined with INSERT (on SQL Server)
with cte as (
select * from city
)
insert into city (city, countryid, citycode)
select
city, countryid, citycode
from cte
SAP HANA includes this posibility, the order of the code is different than SQL Server:
INSERT INTO EXAMPLE (ID)
WITH cte1 AS (SELECT 1 AS ID FROM DUMMY)
SELECT ID FROM cte1;
What I want to achieve (if it is possible from SQL Developer) is that when I execute the script it do the following:
Run a SELECT statement that will return a list of IDs. Approx 270 records.
I need to use each of those IDs individually in another SELECT statement (in the WHERE clause) which will return some records. A few of this could result in over 17,000 records and some can be one.
Then each result from the second SELECT I want it to be exported to an excel or csv file into a folder at my pc.
I have both 'Select' ready but I don't know how to loop over the results of the first to grab each ID and use it in the second one. Also I don't know how to export automatically from the code.
You can use GROUP BY clause.
read more here:
http://docs.oracle.com/javadb/10.6.2.1/ref/rrefsqlj32654.html
If the first SELECT returns you IDs only, and that's all you need for your second SELECT, just use IN clause providing your first SELECT query for the second one.
Example:
-- Your second select
SELECT
col1
,col2
,col3
,col4
FROM
second_table
WHERE
some_foreign_id IN (
-- Your first select
SELECT
id
FROM
first_table
WHERE
some_conditions...
)
In my opinion don't use PLSQL for this. In PLSQL the only way you can get an output of this by using a REFCURSOR (unless you dont use UTIL File package to do it). A simple SELECT WITH JOIN condition will suffice your requirement.
Test illustration
SELECT A.* FROM TABLE_A A, TABLE_B
WHERE A.COMMON_COLUMN = B.COMMON_COLUMN;
Hope this helped you in same way
I have a problem when try extract ddl for sequence using this function in this query:
select dbms_metadata.get_dependent_ddl('SEQUENCE', base_object_name) from dual;
base_object_name - name of trigger, that use sequences.
Result: ora-31604 invalid name parameter NAME "BASE_OBJECT_NAME" for OBJECT_TYPE 'SEQUENCE'
For example when I execute this query:
select dbms_metadata.get_dependent_ddl('INDEX', base_table_name) from dual;
in result I have indexes for specified table.
Please, help, how to extract sequence ddl using get_dependent_ddl() function?
Sequences are not dependent on tables, therefore you need to use select dbms_metadata.get_ddl('SEQUENCE', 'SEQ_NAME') from dual; to retrieve its ddl.
A sequence is not dependent on a trigger. It is a separate object that requires no other object in order to exist. Use the GET_DDL subprogram on DBMS_METADATA instead:
select dbms_meta_data.get_ddl('SEQUENCE',sequence_name) from dual
I have a trivial issue that I can't resolve. Currently our app uses Linq to retrieve data and get a basic integer value of the row count. I can't form a query that gives back a count without a 'select i'. I don't need the select, just the count(*) response. How do I do this? Below is a sample:
return (from io in db._Owners
where io.Id == Id && io.userId == userId
join i in db._Instances on io.Id equals i.Id **select i**).Count()
;
The select i is fine - it's not actually going to be fetching any data back to the client, because the Count() call will be translated into a Count(something) call at the SQL side.
When in doubt, look at the SQL that's being generated for your query, e.g. with the DataContext.Log property.
Using the LINQ query syntax requires a select statement. There's no way around that.
That being said, the statement will get transformed into a COUNT()-based query; the select i is there only to satisfy the expression system that underlies the LINQ query providers (otherwise the type of the expression would be unknown).
Including the select will not affect the performance here because the final query will get translated into SQL. At this point it will be optimized and will be like select (*) from ......
I have the following statements in Oracle 11g:
CREATE TYPE person AS OBJECT (
name VARCHAR2(10),
age NUMBER
);
CREATE TYPE person_varray AS VARRAY(5) OF person;
CREATE TABLE people (
somePeople person_varray
)
How can i select the name value for a person i.e.
SELECT somePeople(person(name)) FROM people
Thanks
I'm pretty sure that:
What you're doing isn't what I'd be doing. It sort of completely violates relational principles, and you're going to end up with an object/type system in Oracle that you might not be able to change once it's been laid down. The best use I've seen for SQL TYPEs (not PL/SQL types) is basically being able to cast a ref cursor back for pipelined functions.
You have to unnest the collection before you can query it relationally, like so:
SELECT NAME FROM
(SELECT SP.* FROM PEOPLE P, TABLE(P.SOME_PEOPLE) SP)
That'll give you all rows, because there's nothing in your specifications (like a PERSON_ID attribute) to restrict the rows.
The Oracle Application Developer's Guide - Object Relational Features discusses all of this in much greater depth, with examples.
To insert query:-
insert into people values (
person_varray(person('Ram','24'))
);
To select :-
select * from people;
SELECT NAME FROM (SELECT SP.* FROM PEOPLE P, TABLE(P.somePeople) SP)
While inserting a row into people table use constructor of
person_varray and then the constructor
of person type for each project.
The above INSERT command
creates a single row in people table.
select somePeople from people ;
person(NAME, age)
---------------------------------------------------
person_varray(person('Ram', 1),
To update the query will be:-
update people
set somePeople =
person_varray
(
person('SaAM','23')
)