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Code Issues

Fixed CORE-2900 - "AV - The code attempted to access a virtual address without privilege to do so" using aggregate distinct

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asfernandes 2010-06-16 11:47:19 +00:00
parent 4532058a72
commit f70830ba40
1 changed files with 9 additions and 8 deletions
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17
src/jrd/evl.cpp
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@ -1756,9 +1756,10 @@ USHORT EVL_group(thread_db* tdbb, RecordSource* rsb, jrd_nod *const node, USHORT
desc, &to, INTL_KEY_UNIQUE);
}
asb->asb_desc.dsc_address = data +
dsc toDesc = asb->asb_desc;
toDesc.dsc_address = data +
(asb->asb_intl ? asb->asb_key_desc[1].skd_offset : 0);
MOV_move(tdbb, desc, &asb->asb_desc);
MOV_move(tdbb, desc, &toDesc);
break;
}
@ -3020,7 +3021,7 @@ static void compute_agg_distinct(thread_db* tdbb, jrd_nod* node)
const size_t asb_index = (node->nod_type == nod_agg_list_distinct) ? 2 : 1;
AggregateSort* asb = (AggregateSort*) node->nod_arg[asb_index];
impure_agg_sort* asb_impure = (impure_agg_sort*) ((SCHAR *) request + asb->nod_impure);
dsc* desc = &asb->asb_desc;
dsc desc = asb->asb_desc;
impure_value_ex* impure = (impure_value_ex*) ((SCHAR *) request + node->nod_impure);
/* Sort the values already "put" to sort */
@ -3044,20 +3045,20 @@ static void compute_agg_distinct(thread_db* tdbb, jrd_nod* node)
break;
}
desc->dsc_address = data + (asb->asb_intl ? asb->asb_key_desc[1].skd_offset : 0);
desc.dsc_address = data + (asb->asb_intl ? asb->asb_key_desc[1].skd_offset : 0);
switch (node->nod_type)
{
case nod_agg_total_distinct:
case nod_agg_average_distinct:
++impure->vlux_count;
add(desc, node, impure);
add(&desc, node, impure);
break;
case nod_agg_total_distinct2:
case nod_agg_average_distinct2:
++impure->vlux_count;
add2(desc, node, impure);
add2(&desc, node, impure);
break;
case nod_agg_count_distinct:
@ -3071,7 +3072,7 @@ static void compute_agg_distinct(thread_db* tdbb, jrd_nod* node)
{
impure->vlu_blob = BLB_create(tdbb, tdbb->getRequest()->req_transaction,
&impure->vlu_misc.vlu_bid);
impure->vlu_desc.makeBlob(desc->getBlobSubType(), desc->getTextType(),
impure->vlu_desc.makeBlob(desc.getBlobSubType(), desc.getTextType(),
(ISC_QUAD* ) &impure->vlu_misc.vlu_bid);
}
@ -3090,7 +3091,7 @@ static void compute_agg_distinct(thread_db* tdbb, jrd_nod* node)
BLB_put_data(tdbb, impure->vlu_blob, temp, len);
}
++impure->vlux_count;
len = MOV_make_string2(tdbb, desc, impure->vlu_desc.getTextType(), &temp, buffer, false);
len = MOV_make_string2(tdbb, &desc, impure->vlu_desc.getTextType(), &temp, buffer, false);
BLB_put_data(tdbb, impure->vlu_blob, temp, len);
break;
}