/*
Calculates key page total MBR = MBR(key1) + MBR(key2) + ...
*/
int rtree_page_mbr(MI_INFO *info, HA_KEYSEG *keyseg, uchar *page_buf,
uchar *c, uint key_length)
{
uint inc = 0;
uint k_len = key_length;
uint nod_flag = mi_test_if_nod(page_buf);
uchar *k;
uchar *last = rt_PAGE_END(page_buf);
for (; (int)key_length > 0; keyseg += 2)
{
key_length -= keyseg->length * 2;
/* Handle NULL part */
if (keyseg->null_bit)
{
return 1;
}
k = rt_PAGE_FIRST_KEY(page_buf, nod_flag);
switch ((enum ha_base_keytype) keyseg->type) {
case HA_KEYTYPE_INT8:
RT_PAGE_MBR_KORR(int8, mi_sint1korr, mi_int1store, 1);
break;
case HA_KEYTYPE_BINARY:
RT_PAGE_MBR_KORR(uint8, mi_uint1korr, mi_int1store, 1);
break;
case HA_KEYTYPE_SHORT_INT:
RT_PAGE_MBR_KORR(int16, mi_sint2korr, mi_int2store, 2);
break;
case HA_KEYTYPE_USHORT_INT:
RT_PAGE_MBR_KORR(uint16, mi_uint2korr, mi_int2store, 2);
break;
case HA_KEYTYPE_INT24:
RT_PAGE_MBR_KORR(int32, mi_sint3korr, mi_int3store, 3);
break;
case HA_KEYTYPE_UINT24:
RT_PAGE_MBR_KORR(uint32, mi_uint3korr, mi_int3store, 3);
break;
case HA_KEYTYPE_LONG_INT:
RT_PAGE_MBR_KORR(int32, mi_sint4korr, mi_int4store, 4);
break;
case HA_KEYTYPE_ULONG_INT:
RT_PAGE_MBR_KORR(uint32, mi_uint4korr, mi_int4store, 4);
break;
#ifdef HAVE_LONG_LONG
case HA_KEYTYPE_LONGLONG:
RT_PAGE_MBR_KORR(longlong, mi_sint8korr, mi_int8store, 8);
break;
case HA_KEYTYPE_ULONGLONG:
RT_PAGE_MBR_KORR(ulonglong, mi_uint8korr, mi_int8store, 8);
break;
#endif
case HA_KEYTYPE_FLOAT:
RT_PAGE_MBR_GET(float, mi_float4get, mi_float4store, 4);
break;
case HA_KEYTYPE_DOUBLE:
RT_PAGE_MBR_GET(double, mi_float8get, mi_float8store, 8);
break;
case HA_KEYTYPE_END:
return 0;
default:
return 1;
}
}
return 0;
}
/*
Calculates key page total MBR= MBR(key1) + MBR(key2) + ...
Stores into *to.
*/
int maria_rtree_page_mbr(const HA_KEYSEG *keyseg,
MARIA_PAGE *page,
uchar *to, uint key_length)
{
MARIA_HA *info= page->info;
MARIA_SHARE *share= info->s;
uint inc= 0;
uint k_len= key_length;
uint nod_flag= page->node;
const uchar *k;
const uchar *last= rt_PAGE_END(page);
for (; (int)key_length > 0; keyseg += 2)
{
key_length -= keyseg->length * 2;
/* Handle NULL part */
if (keyseg->null_bit)
{
return 1;
}
k= rt_PAGE_FIRST_KEY(share, page->buff, nod_flag);
switch ((enum ha_base_keytype) keyseg->type) {
case HA_KEYTYPE_INT8:
RT_PAGE_MBR_KORR(share, int8, mi_sint1korr, mi_int1store, 1, to);
break;
case HA_KEYTYPE_BINARY:
RT_PAGE_MBR_KORR(share, uint8, mi_uint1korr, mi_int1store, 1, to);
break;
case HA_KEYTYPE_SHORT_INT:
RT_PAGE_MBR_KORR(share, int16, mi_sint2korr, mi_int2store, 2, to);
break;
case HA_KEYTYPE_USHORT_INT:
RT_PAGE_MBR_KORR(share, uint16, mi_uint2korr, mi_int2store, 2, to);
break;
case HA_KEYTYPE_INT24:
RT_PAGE_MBR_KORR(share, int32, mi_sint3korr, mi_int3store, 3, to);
break;
case HA_KEYTYPE_UINT24:
RT_PAGE_MBR_KORR(share, uint32, mi_uint3korr, mi_int3store, 3, to);
break;
case HA_KEYTYPE_LONG_INT:
RT_PAGE_MBR_KORR(share, int32, mi_sint4korr, mi_int4store, 4, to);
break;
case HA_KEYTYPE_ULONG_INT:
RT_PAGE_MBR_KORR(share, uint32, mi_uint4korr, mi_int4store, 4, to);
break;
#ifdef HAVE_LONG_LONG
case HA_KEYTYPE_LONGLONG:
RT_PAGE_MBR_KORR(share, longlong, mi_sint8korr, mi_int8store, 8, to);
break;
case HA_KEYTYPE_ULONGLONG:
RT_PAGE_MBR_KORR(share, ulonglong, mi_uint8korr, mi_int8store, 8, to);
break;
#endif
case HA_KEYTYPE_FLOAT:
RT_PAGE_MBR_GET(share, float, mi_float4get, mi_float4store, 4, to);
break;
case HA_KEYTYPE_DOUBLE:
RT_PAGE_MBR_GET(share, double, mi_float8get, mi_float8store, 8, to);
break;
case HA_KEYTYPE_END:
return 0;
default:
return 1;
}
}
return 0;
}
