| 702 | } |
| 703 | |
| 704 | const char* db_sqlite::get_conf(const char* pragma, string& out) |
| 705 | { |
| 706 | if (!exec_sql(pragma)) { |
| 707 | return NULL; |
| 708 | } else if (length() == 0) { |
| 709 | free_result(); |
| 710 | return NULL; |
| 711 | } else { |
| 712 | const db_row* row = (*this)[(size_t) 0]; |
| 713 | acl_assert(row != NULL); |
| 714 | const char* ptr = (*row)[(size_t) 0]; |
| 715 | if (ptr == NULL) { |
| 716 | free_result(); |
| 717 | return NULL; |
| 718 | } |
| 719 | out = ptr; |
| 720 | free_result(); |
| 721 | return out.c_str(); |
| 722 | } |
| 723 | } |
| 724 | |
| 725 | // sqlite ��һЩ����ѡ�� |
| 726 | const char* __pragmas[] = |