Php/docs/function.db2-field-display-size
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db2_field_display_size
(PECL ibm_db2 >= 1.0.0)
db2_field_display_size — Returns the maximum number of bytes required to display a column
说明
db2_field_display_size
( resource $stmt
, mixed $column
) : int
Returns the maximum number of bytes required to display a 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 value with the maximum number of bytes required to
display the specified column. If the column does not exist in the result
set, db2_field_display_size() returns false.
参见
- db2_field_name() - Returns the name of the column in the result set
- db2_field_num() - Returns the position of the named column in a 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
