This table manages the session of various pervasive
computing devices.
Column Descriptions:
| Name | Type | Description |
| PVCSESSION_ID | BIGINT NOT NULL | Reference number of this record. |
| TERMINAL | VARCHAR (254) NOT NULL | The terminal identifier related to this session.
CONSTRAINT unique_session_device UNIQUE(SESSION_TYPE,
TERMINAL)
. |
| REGISTER_ID | BIGINT | Reference number of a customer who is logging in.
Or reference number of a customer who was previously logged in.
This column is NULL if the pervasive computing customer has not
registered by way of a registration command. |
| LASTVISITED | TIMESTAMP NOT NULL | Last visited time. Will be updated on command
execution while status is 1. |
| STATUS | INTEGER NOT NULL DEFAULT 0 | Status of the customer whose reference number is
same as SHOPPER_ID. Valid values are as follows:
|
| GUEST_ID | BIGINT | Reference number of a guest customer. When the
status value is 1, this column is set to NULL. |
| SESSIONTYPE | VARCHAR (32) NOT NULL | This column identifies the type of pervasive
computing device: either iMode or WAP. |
| OPTCOUNTER | SMALLINT NOT NULL DEFAULT 0 | The optimistic concurrency control counter for
the table. Every time there is an update to the table, the counter
is incremented. |
Indexes:
| Name | Column Names | Type |
| <SYSTEM-GENERATED> | PVCSESSION_ID | Primary Key |
| I0000197 | TERMINAL+SESSIONTYPE | Unique Index |
| I0000708 | REGISTER_ID | Non-Unique Index |
Constrained By Parent Tables:
| Constraint | Columns | Parent Table | Parent Columns | Type |
| F_639 | REGISTER_ID | USERS | USERS_ID | Cascade |
Referenced By Child Tables:
| Constraint | Columns | Child Table | Child Columns | Type |
| F_634 | PVCSESSION_ID | PVCBINDING | PVCSESSION_ID | Cascade |
| F_890 | PVCSESSION_ID | USERPVCDEV | PVCSESSION_ID | Cascade |