Php/docs/function.db2-field-num
来自菜鸟教程
db2_field_num
(PECL ibm_db2 >= 1.0.0)
db2_field_num — Returns the position of the named column in a result set
说明
db2_field_num
( resource $stmt
, mixed $column
) : int
Returns the position of the named column in a result set.
参数
stmt- Specifies a statement resource containing a result set.
column- Specifies the column in the result set. This can either be an integer representing the 0-indexed position of the column, or a string containing the name of the column.
返回值
Returns an integer containing the 0-indexed position of the named column in
the result set. If the specified column does not exist in the result set,
db2_field_num() returns false.
参见
- db2_field_display_size() - Returns the maximum number of bytes required to display a column
- db2_field_name() - Returns the name of the column in the result set
- db2_field_precision() - Returns the precision of the indicated column in a result set
- db2_field_scale() - Returns the scale of the indicated column in a result set
- db2_field_type() - Returns the data type of the indicated column in a result set
- db2_field_width() - Returns the width of the current value of the indicated column in a result set
