OpenEdge Getting Started: Multi-tenancy Overview - Product ...

Chapter 4: Multi-tenancy and OpenEdge SQL
Join multi-tenant tables
To join three multi-tenant tables, pub.mtcustomer, pub.mtorder, and
pub.mtorderline:
SELECT
tenantName_tbl (c) as ten_name,
c.name as c_name,
COUNT (*)
FROM
Pub.mtcustomer AS c
INNER JOIN pub.mtorder AS o
ON tenantId_tbl (c) = tenantId_tbl (o)
AND c.custnum = o.custnum
INNER JOIN pub.mtorderline AS ol
ON tenantId_tbl (o) = tenantId_tbl (ol)
AND o.ordernum = ol.ordernum
GROUP BY
ten_name, c_name;
Insert rows into a multi-tenant table
To insert a new row in a tenant partition of the tenant, SNCSoftware, in the multi-tenant
table, mtcustomer:
INSERT INTO pub.mtcustomer TENANT SNCSoftware
(custnum, name)
VALUES
(9999, 'West Side Sports');
Move rows between partitions in a multi-tenant table
To move the rows from the DEFAULT partition of a multi-tenant table, mtcustomer, and
distribute it to the tenants, SNCSoftware and OEDProducts:
INSERT INTO pub.mtcustomer TENANT SNCSoftware
SELECT *
FROM pub.mtcustomer AS mtc
WHERE tenantName_tbl (mtc) = 'default'
AND MOD (custnum, 2) = 0;
INSERT INTO pub.mtcustomer TENANT OEDProducts
SELECT *
FROM pub.mtcustomer AS mtc
WHERE tenantName_tbl (mtc) = 'default'
AND MOD (custnum, 2) 0;
DELETE
FROM pub.mtcustomer AS mtc
WHERE tenantName_tbl (mtc) = 'default';
70 OpenEdge Getting Started: Multi-tenancy Overview