db2_primary_keys
PECL ibm_db2 >= 1.0.0
db2_primary_keys - Returns a result set listing primary keys for a table
Manual
db2_primary_keys(
resource$connection,
string$qualifier,
string$schema,
string$table-name
): resource
resource$connection,
string$qualifier,
string$schema,
string$table-name
): resource
Returns a result set listing the primary keys for a table.
Parameters
- connection
-
A valid connection to an IBM DB2, Cloudscape, or Apache Derby database.
- qualifier
-
A qualifier for DB2 databases running on OS/390 or z/OS servers. For other databases, pass null or an empty string.
- schema
-
The schema which contains the tables. If schema is null, db2_primary_keys matches the schema for the current connection.
- table-name
-
The name of the table.
Return Values
Returns a statement resource with a result set containing rows describing the primary keys for the specified table. The result set is composed of the following columns:
| Column name | Description |
| TABLE_CAT | Name of the catalog for the table containing the primary key. The value is NULL if this table does not have catalogs. |
| TABLE_SCHEM | Name of the schema for the table containing the primary key. |
| TABLE_NAME | Name of the table containing the primary key. |
| COLUMN_NAME | Name of the column containing the primary key. |
| KEY_SEQ | 1-indexed position of the column in the key. |
| PK_NAME | The name of the primary key. |