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db2_field_width

(PECL)

db2_field_width -- Returns the width of the current value of the indicated column in a result set

说明

int db2_field_width ( resource stmt, mixed column )

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.

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 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.

参见

db2_field_display_size()

db2_field_name()

db2_field_num()

db2_field_precision()

db2_field_scale()

db2_field_type()

后退	起点	前进
db2_field_type	上一级	db2_foreign_keys