(no version information, might be only in CVS)
db2_field_width -- Returns the width of the current value of the indicated column in a result set| 警告 |
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Returns the width of the current value of the indicated column in a result set. This is the maximum width of the column for a fixed-length data type, or the actual width of the column for a variable-length data type.
Specifies a statement resource containing a result set.
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.
Returns an integer containing the width of the specified character or binary data type column in a result set. If the specified column does not exist in the result set, db2_field_width() returns FALSE.