int mi_rsame_with_pos(MI_INFO *info, uchar *record, int inx, my_off_t filepos) { DBUG_ENTER("mi_rsame_with_pos"); DBUG_PRINT("enter",("index: %d filepos: %ld", inx, (long) filepos)); if (inx < -1 || (inx >= 0 && ! mi_is_key_active(info->s->state.key_map, inx))) { DBUG_RETURN(my_errno=HA_ERR_WRONG_INDEX); } info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED); if ((*info->s->read_rnd)(info,record,filepos,0)) { if (my_errno == HA_ERR_RECORD_DELETED) my_errno=HA_ERR_KEY_NOT_FOUND; DBUG_RETURN(my_errno); } info->lastpos=filepos; info->lastinx=inx; if (inx >= 0) { info->lastkey_length=_mi_make_key(info,(uint) inx,info->lastkey,record, info->lastpos); info->update|=HA_STATE_KEY_CHANGED; /* Don't use indexposition */ } DBUG_RETURN(0); } /* mi_rsame_pos */
int mi_rsame(MI_INFO *info, uchar *record, int inx) { DBUG_ENTER("mi_rsame"); if (inx != -1 && ! mi_is_key_active(info->s->state.key_map, inx)) { set_my_errno(HA_ERR_WRONG_INDEX); DBUG_RETURN(HA_ERR_WRONG_INDEX); } if (info->lastpos == HA_OFFSET_ERROR || info->update & HA_STATE_DELETED) { set_my_errno(HA_ERR_KEY_NOT_FOUND); DBUG_RETURN(HA_ERR_KEY_NOT_FOUND); /* No current record */ } info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED); /* Read row from data file */ if (fast_mi_readinfo(info)) DBUG_RETURN(my_errno()); if (inx >= 0) { info->lastinx=inx; info->lastkey_length=_mi_make_key(info,(uint) inx,info->lastkey,record, info->lastpos); if (info->s->concurrent_insert) mysql_rwlock_rdlock(&info->s->key_root_lock[inx]); (void) _mi_search(info,info->s->keyinfo+inx,info->lastkey, USE_WHOLE_KEY, SEARCH_SAME, info->s->state.key_root[inx]); if (info->s->concurrent_insert) mysql_rwlock_unlock(&info->s->key_root_lock[inx]); } if (!(*info->read_record)(info,info->lastpos,record)) DBUG_RETURN(0); if (my_errno() == HA_ERR_RECORD_DELETED) set_my_errno(HA_ERR_KEY_NOT_FOUND); DBUG_RETURN(my_errno()); } /* mi_rsame */