Oracle to PostgreSQL

Brahmam Eswar wrote:

How to migrate the Oracle collection types ( IsTableOF, IsRecord) to postgres.

Are you talking about table definitions or PL/SQL code?

Yours,
Laurenz Albe

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Here is the snippet of it.

*Oracle :*

*Declaration part in Store Procedure*

CREATE OR REPLACE PROCEDURE "A"."Datastore"
(

, In_Param1 IN VARCHAR2
, In_Param2 IN VARCHAR2
, In_Param3 IN VARCHAR2
, Out_Param1 OUT VARCHAR2
, ERROR_MSG OUT VARCHAR2
) AS
TEMP_ERR_MSG VARCHAR2(4000);
IS_FIRST CHAR(1);
TYPE INV_LINES_RT *IS RECORD*(
VENDOR_NUM A.Datastore.VENDOR_NUM%TYPE,
VENDOR_SITE_CODE A.Datastore.VENDOR_SITE_CODE%TYPE,
INVOICE_NUM A.Datastore.INVOICE_NUM%TYPE,
TXN_CNT NUMBER
);
TYPE INV_LINES_T *IS TABLE OF* INV_LINES_RT;
L_INV_LINES INV_LINES_T;

*Looping Part :*

IS_FIRST:='Y';
WITH Distinct_Invoices As ( select DISTINCT
VENDOR_NUM,VENDOR_SITE_CODE,INVOICE_NUM,DESCRIPTION,CURR_CODE,INVOICE_AMOUNT,IMAGE_NUMBER,
VENDOR_NAME, PAYMENT_METHOD, GL_DATE, TERMS_NAME, RETURN_ID, PAYGROUP,
INVOICE_TYPE, INVOICE_DATE from A.Datastore where CASE_ID = In_Param1 )
Select VENDOR_NUM,VENDOR_SITE_CODE,INVOICE_NUM, count(*) as TXN_CNT * BULK
COLLECT INTO* L_INV_LINES from Distinct_Invoices group by
VENDOR_NUM,VENDOR_SITE_CODE,INVOICE_NUM having count(*) > 1;
IF L_INV_LINES.COUNT>0 THEN

ERROR_COUNT:=0;
FOR indx in L_INV_LINES.first .. L_INV_LINES.last LOOP
IF IS_FIRST!='Y' THEN
TEMP_ERR_MSG := TEMP_ERR_MSG || ', ';
END IF;
IS_FIRST:='N';
TEMP_ERR_MSG := TEMP_ERR_MSG || '''' ||
L_INV_LINES(indx).INVOICE_NUM || '''';

How do i convert this into PostgreSQL.

On Thu, Nov 9, 2017 at 4:48 PM, Laurenz Albe <laurenz.albe@cybertec.at>
wrote:

Brahmam Eswar wrote:

How to migrate the Oracle collection types ( IsTableOF, IsRecord) to

postgres.

Are you talking about table definitions or PL/SQL code?

Yours,
Laurenz Albe

--
Thanks & Regards,
Brahmeswara Rao J.

On Thu, 2017-11-09 at 17:01 +0530, Brahmam Eswar wrote:

Here is the snippet of it.

TYPE INV_LINES_RT IS RECORD(
VENDOR_NUM A.Datastore.VENDOR_NUM%TYPE,
VENDOR_SITE_CODE A.Datastore.VENDOR_SITE_CODE%TYPE,
INVOICE_NUM A.Datastore.INVOICE_NUM%TYPE,
TXN_CNT NUMBER
);

You can create a composite type in PostgreSQL:

CREATE TYPE complex AS (r integer, i integer);

TYPE INV_LINES_T IS TABLE OF INV_LINES_RT;

You would use an array in this case:

DECLARE
carr complex[];

Yours,
Laurenz Albe

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On Thu, 2017-11-09 at 17:01 +0530, Brahmam Eswar wrote:

You can create a composite type in PostgreSQL:
CREATE TYPE complex AS (r integer, i integer);
You would use an array in this case:
DECLARE
carr complex[];

I've once faced the same thing, and did as Laurenz suggested.
You will like Postgres' array support.

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