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Code Issues

Fixed CORE-2132: Indexed retrieval cannot be chosen if a stored procedure is used inside the comparison predicate.

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This commit is contained in:
dimitr 2008-10-19 12:05:36 +00:00
parent b703879da6
commit a58aaafdf2
2 changed files with 31 additions and 13 deletions
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42
src/jrd/Optimizer.cpp
View File

@ -88,15 +88,25 @@ bool OPT_computable(CompilerScratch* csb, const jrd_nod* node, SSHORT stream,
return false;
}
if (node->nod_type == nod_procedure) {
return false;
}
// Recurse thru interesting sub-nodes
const jrd_nod* const* ptr = node->nod_arg;
if (node->nod_type == nod_union) {
const jrd_nod* clauses = node->nod_arg[e_uni_clauses];
if (node->nod_type == nod_procedure) {
const jrd_nod* const inputs = node->nod_arg[e_prc_inputs];
if (inputs) {
fb_assert(inputs->nod_type == nod_asn_list);
ptr = inputs->nod_arg;
for (const jrd_nod* const* const end = ptr + inputs->nod_count;
ptr < end; ptr++)
{
if (!OPT_computable(csb, *ptr, stream, idx_use, allowOnlyCurrentStream)) {
return false;
}
}
}
}
else if (node->nod_type == nod_union) {
const jrd_nod* const clauses = node->nod_arg[e_uni_clauses];
ptr = clauses->nod_arg;
for (const jrd_nod* const* const end = ptr + clauses->nod_count;
ptr < end; ptr += 2)
@ -1030,7 +1040,7 @@ jrd_nod* OptimizerRetrieval::composeInversion(jrd_nod* node1, jrd_nod* node2,
return OPT_make_binary_node(node_type, node1, node2, false);
}
void OptimizerRetrieval::findDependentFromStreams(jrd_nod* node,
void OptimizerRetrieval::findDependentFromStreams(const jrd_nod* node,
SortedStreamList* streamList) const
{
/**************************************
@ -1044,14 +1054,22 @@ void OptimizerRetrieval::findDependentFromStreams(jrd_nod* node,
**************************************/
// Recurse thru interesting sub-nodes
jrd_nod** ptr = node->nod_arg;
const jrd_nod* const* ptr = node->nod_arg;
if (node->nod_type == nod_procedure) {
return;
const jrd_nod* const inputs = node->nod_arg[e_prc_inputs];
if (inputs) {
fb_assert(inputs->nod_type == nod_asn_list);
ptr = inputs->nod_arg;
for (const jrd_nod* const* const end = ptr + inputs->nod_count;
ptr < end; ptr++)
{
findDependentFromStreams(*ptr, streamList);
}
}
}
if (node->nod_type == nod_union) {
jrd_nod* clauses = node->nod_arg[e_uni_clauses];
else if (node->nod_type == nod_union) {
const jrd_nod* const clauses = node->nod_arg[e_uni_clauses];
ptr = clauses->nod_arg;
for (const jrd_nod* const* const end = ptr + clauses->nod_count;
ptr < end; ptr += 2)

2
src/jrd/Optimizer.h
View File

@ -180,7 +180,7 @@ public:
protected:
jrd_nod* composeInversion(jrd_nod* node1, jrd_nod* node2, NOD_T node_type) const;
void findDependentFromStreams(jrd_nod* node, SortedStreamList* streamList) const;
void findDependentFromStreams(const jrd_nod* node, SortedStreamList* streamList) const;
VaryingString* getAlias();
InversionCandidate* generateInversion(RecordSource** rsb);
RecordSource* generateNavigation();