预定义常量

下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

DB2_BINARY ( integer)

Specifies that binary data shall be returned as is. This is the default mode.

DB2_CONVERT ( integer)

Specifies that binary data shall be converted to a hexadecimal encoding and returned as an ASCII string.

DB2_PASSTHRU ( integer)

Specifies that binary data shall be converted to a NULL value.

DB2_SCROLLABLE ( integer)

Specifies a scrollable cursor for a statement resource. This mode enables random access to rows in a result set, but currently is supported only by IBM DB2 Universal Database.

DB2_FORWARD_ONLY ( integer)

Specifies a forward-only cursor for a statement resource. This is the default cursor type and is supported on all database servers.

DB2_PARAM_IN ( integer)

Specifies the PHP variable should be bound as an IN parameter for a stored procedure.

DB2_PARAM_OUT ( integer)

Specifies the PHP variable should be bound as an OUT parameter for a stored procedure.

DB2_PARAM_INOUT ( integer)

Specifies the PHP variable should be bound as an INOUT parameter for a stored procedure.

DB2_PARAM_FILE ( integer)

Specifies that the column should be bound directly to a file for input.

DB2_AUTOCOMMIT_ON ( integer)

Specifies that autocommit should be turned on.

DB2_AUTOCOMMIT_OFF ( integer)

Specifies that autocommit should be turned off.

DB2_DOUBLE ( integer)

Specifies that the variable should be bound as a DOUBLE, FLOAT, or REAL data type.

DB2_LONG ( integer)

Specifies that the variable should be bound as a SMALLINT, INTEGER, or BIGINT data type.

DB2_CHAR ( integer)

Specifies that the variable should be bound as a CHAR or VARCHAR data type.

DB2_CASE_NATURAL ( integer)

Specifies that column names will be returned in their natural case.

DB2_CASE_LOWER ( integer)

Specifies that column names will be returned in lower case.

DB2_CASE_UPPER ( integer)

Specifies that column names will be returned in upper case.

DB2_DEFERRED_PREPARE_ON ( integer)

Specifies that deferred prepare should be turned on for the specified statement resource.

DB2_DEFERRED_PREPARE_OFF ( integer)

Specifies that deferred prepare should be turned off for the specified statement resource.