SDM_HISTORY
This table stores history for different objects of Supplemental Data Mangager and Enterprise Journals, for example, Data Set, Form Template, Journal Template.
Primary Key
Table 4-134 Primary Key Table
| Constraint Name | Columns |
|---|---|
| SDM_HISTORY_PK | HISTORY_FIELD_ID |
Columns
Table 4-135 Column Details Table
| Name | Data Type | Length | Precision | Scale | Null Allowed | Comments |
|---|---|---|---|---|---|---|
| HISTORY_FIELD_ID | NUMBER | 18 | 0 | No | Unique identifier of the record. | |
| OBJECT_ID | NUMBER | 18 | 0 | No | Refers to the object, for which, history is created. Some
examples are:
|
|
| OBJECT_TYPE | VARCHAR2 | 8 | 18 | 0 | Yes | null |
| OBJECT_NAME | VARCHAR2 | 256 | Yes | null | ||
| SUPPORTING_OBJECT_ID | NUMBER | 18 | 0 | Yes | An ID to the supporting object related to this entry. For instance, Data Set attribute ID. | |
| SUPPORTING_OBJECT | VARCHAR2 | 255 | Yes | A general use field in case the other fields are not enough to store the history. | ||
| FIELD_ID | VARCHAR2 | 100 | 18 | 0 | No | The field ID which states what field (such as Data Set name, description etc.) changed. Refer to HistoryField.java for the full enumeration. |
| CHANGE_TYPE_ID | NUMBER | 9 | 0 | No | The ID of the change type, such as Added, Removed, Modified, etc. | |
| OLD_VALUE | VARCHAR2 | 2000 | Yes | The prior value of the field. | ||
| NEW_VALUE | VARCHAR2 | 2000 | Yes | The new value of the field. | ||
| CHANGED_BY | VARCHAR2 | 255 | No | The person who made the modification. | ||
| CHANGED_ON | TIMESTAMP(6) | No | The date of the modification. | |||
| APP_ID | NUMBER | 1 | 0 | No | Identifier for the application to which the row corresponds to, for example, SDM:4. | |
| OBJECT_VERSION_NUMBER | NUMBER | 9 | 0 | No | Used to implement optimistic locking. This number is incremented every time that the row is updated. The number is compared at the start and end of a transaction to detect whether another session has updated the row since it was queried. | |
| LAST_UPDATE_LOGIN | VARCHAR2 | 255 | Yes | Who column: indicates the session login associated to the user who last updated the row. | ||
| LAST_UPDATED_BY | VARCHAR2 | 255 | No | Who column: indicates the user who last updated the row. | ||
| LAST_UPDATE_DATE | DATE | No | Who column: indicates the date and time of the last update of the row. | |||
| CREATED_BY | VARCHAR2 | 255 | No | Who column: indicates the user who created the row. | ||
| CREATION_DATE | DATE | No | Who column: indicates the date and time of the creation of the row. |
Indexes
Table 4-136 Index Table
| Index | Uniqueness | Columns |
|---|---|---|
| SDM_HISTORY_PK | UNIQUE | HISTORY_FIELD_ID |
| SDM_HISTORY_N1_OBJ_ID | NONUNIQUE | OBJECT_ID |