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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres >= 1.0.0)
ingres_field_length — Get the length of a field
$result
, int $index
)ingres_field_length() returns the length of a field. This is the number of bytes the server uses to store the field. For detailed information, see the Ingres OpenAPI User Guide, Appendix "Data Types" in the Ingres documentation.
Note: Related Configurations
See ingres.array_index_start in Runtime Configuration
result
The query result identifier
index
index
is the column number whose length
will be retrieved.
The possible values of index
depend upon
the value
of ingres.array_index_start.
If ingres.array_index_start
is 1 (the default)
then index
must be
between 1 and the value returned
by ingres_num_fields() . If ingres.array_index_start
is 0 then index
must
be between 0
and ingres_num_fields() -
1.
Returns the length of a field.