>---------------example.c--------------------------------------
>#include "fulltext.h"
>
>
>int main()
>{
> MI_INFO *mi;
> char* buf;
> int rec_len;
> int lookup_n[] = { 2,4,3,-1};
> int *n_p;
>
>
> my_init();
> /* open the table*/
> if (!(mi=mi_open("example",O_RDWR,HA_OPEN_ABORT_IF_LOCKED)))
^^^^^^^
Sorry, I have a question about this line.
You don't tell the program which database to use.
How can it works? Or I should put the table example in some
directory?
> {
> die("Could not open example table");
> }
> rec_len = mi->s->base.reclength;
> printf("record length is %d\n", rec_len);
> if (!(buf=(char*)my_malloc(rec_len,MYF(MY_WME))))
> die("Out of memory");
> /* start scan */
> if (mi_scan_init(mi))
> {
> die("Scan initialization failed");
> }
> printf("Scanning the table:\n");
> for (;;)
> {
> int error = mi_scan(mi,buf);
> if (error)
> {
> if (error != HA_ERR_END_OF_FILE)
> {
> fprintf(stderr, "Error reading record: error code=%d\n", error);
> exit(1);
> }
> break;
> }
> print_record(buf);
> }
> printf("Performing a lookup on the primary key\n");
> for (n_p=lookup_n;*n_p != -1; n_p++)
> {
> char key[N_LEN];
> int error;
> int4store(key,*n_p);
> error=mi_rkey(mi,buf,PRIMARY_KEY_NUM,key,N_LEN,HA_READ_KEY_EXACT);
> printf("Key %d: ", *n_p);
> if (error)
> {
> if (error != HA_ERR_KEY_NOT_FOUND)
> {
> fprintf(stderr,"Read error from handler: %d\n", error);
> exit(1);
> }
> else
> printf("Not found\n");
> }
> else
> print_record(buf);
> }
>
> my_free(buf,MYF(0));
> mi_close(mi);
>}
regards
==================================================================
Sinamail付費信箱，20MB、50MB、100MB
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