ingres_field_name
ingres_field_precision
Ingres 함수 목록
PHP Manual

# ingres_field_nullable

(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres >= 1.0.0)

ingres_field_nullable — Test if a field is nullable

### 설명

bool ingres_field_nullable ( resource `$result` , int `$index` )

Test if a field is nullable.

> Note: Related Configurations
> See ingres.array_index_start in Runtime Configuration

### 인수

`result`

  The query result identifier

`index`

  `index` is the field whose nullability will be retrieved. The start and end values for `index` depends on the the value of ingres.array_index_start. If ingres.array_index_start is 0 then the field number must be between 0 and one less than the value given by ingres_num_fields(). Else if ingres.array_index_start is 1 then the field number must be between 1 and the value given by ingres_num_fields().

### 반환값

ingres_field_nullable() returns `TRUE` if the field can be set to the `NULL` value and `FALSE` if it cannot

### 참고

- ingres_query() - Send an SQL query to Ingres
- ingres_fetch_array() - Fetch a row of result into an array
- ingres_fetch_object() - Fetch a row of result into an object
- ingres_fetch_row() - Fetch a row of result into an enumerated array

ingres_field_name
ingres_field_precision
Ingres 함수 목록
PHP Manual