odbc_setoptionodbc_specialcolumns
(PHP 4, PHP 5)
odbc_specialcolumns — Retrieves special columns
설명
resource odbc_specialcolumns
( resource $connection_id
, int $type
, string $qualifier
, string $owner
, string $table
, int $scope
, int $nullable
)
Retrieves either the optimal set of columns that uniquely identifies a row in the table, or columns that are automatically updated when any value in the row is updated by a transaction.
인수
- connection_id
-
ODBC 접속 식별자. odbc_connect()를 참고하십시오.
- type
- When the type argument is SQL_BEST_ROWID, odbc_specialcolumns() returns the column or columns that uniquely identify each row in the table. When the type argument is SQL_ROWVER, odbc_specialcolumns() returns the column or columns in the specified table, if any, that are automatically updated by the data source when any value in the row is updated by any transaction.
- qualifier
-
The qualifier.
- owner
-
The owner.
- table
-
The table.
- scope
-
The scope, which orders the result set.
- nullable
-
The nullable option.
반환값
Returns an ODBC result identifier or FALSE on failure.
The result set has the following columns:
- SCOPE
- COLUMN_NAME
- DATA_TYPE
- TYPE_NAME
- PRECISION
- LENGTH
- SCALE
- PSEUDO_COLUMN
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