PHP8 cubrid_field_seek
(PECL CUBRID >= 8.3.0)
cubrid_field_seek — 将结果集光标移动到指定的字段偏移量
说明
cubrid_field_seek(resource $result, int $field_offset = 0): bool
此函数将结果集游标移动到指定的字段偏移量。 如果 cubrid_fetch_field() 使用此偏移量 不包括字段偏移量。成功时返回 TRUE 或返回 FALSE 失败。
参数
result
result
来自对 cubrid_execute() 的调用field_offset
数值字段偏移量。从 0 开始。如果不存在,则 还会发出
E_WARNING
级错误。field_offset
field_offset
返回值
成功是真的。
失败时为 false。
示例
示例 #1 cubrid_field_seek() example
<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$req = cubrid_execute($conn, "SELECT event_code,athlete_code,nation_code,game_date FROM game WHERE host_year=1988 and event_code=20001;");
var_dump(cubrid_fetch_row($req));
cubrid_field_seek($req, 1);
$field = cubrid_fetch_field($req);
printf("\n--- Field Properties ---\n");
printf("%-30s %s\n", "name:", $field->name);
printf("%-30s %s\n", "table:", $field->table);
printf("%-30s \"%s\"\n", "default value:", $field->def);
printf("%-30s %d\n", "max length:", $field->max_length);
printf("%-30s %d\n", "not null:", $field->not_null);
printf("%-30s %d\n", "unique key:", $field->unique_key);
printf("%-30s %d\n", "multiple key:", $field->multiple_key);
printf("%-30s %d\n", "numeric:", $field->numeric);
printf("%-30s %s\n", "type:", $field->type);
cubrid_close_request($req);
cubrid_disconnect($conn);
?>
以上示例会输出:
array(4) { [0]=> string(5) "20001" [1]=> string(5) "16132" [2]=> string(3) "KOR" [3]=> string(9) "1988-09-30" } --- Field Properties --- name: athlete_code table: game default value: "" max length: 0 not null: 1 unique key: 1 multiple key: 0 numeric: 1 type: integer