yiguolei commented on code in PR #10103:
URL: https://github.com/apache/incubator-doris/pull/10103#discussion_r897425517
##########
be/src/vec/exec/volap_scan_node.cpp:
##########
@@ -162,29 +163,63 @@ void VOlapScanNode::scanner_thread(VOlapScanner* scanner)
{
scanner->set_opened();
}
- std::vector<ExprContext*> contexts;
+ std::vector<VExpr*> vexprs;
auto& scanner_filter_apply_marks =
*scanner->mutable_runtime_filter_marks();
DCHECK(scanner_filter_apply_marks.size() == _runtime_filter_descs.size());
for (size_t i = 0; i < scanner_filter_apply_marks.size(); i++) {
if (!scanner_filter_apply_marks[i] &&
!_runtime_filter_ctxs[i].apply_mark) {
+ /// When runtime filters are ready during running, we should use
them to filter data
+ /// in VOlapScanner.
+ /// New arrival rf will be processed as below:
+ /// 1. convert these runtime filters to vectorized expressions
+ /// 2. if this is the first scanner thread to receive this rf,
construct a new
+ /// VExprContext and update `_vconjunct_ctx_ptr` in scan node.
Notice that we use
+ /// `_runtime_filter_ready_flag` to ensure `_vconjunct_ctx_ptr`
will be updated only
+ /// once after any runtime_filters are ready.
+ /// 3. finally, just copy this new VExprContext to scanner and use
it to filter data.
IRuntimeFilter* runtime_filter = nullptr;
state->runtime_filter_mgr()->get_consume_filter(_runtime_filter_descs[i].filter_id,
&runtime_filter);
DCHECK(runtime_filter != nullptr);
bool ready = runtime_filter->is_ready();
if (ready) {
- runtime_filter->get_prepared_context(&contexts, row_desc(),
_expr_mem_tracker);
+ runtime_filter->get_prepared_vexprs(&vexprs, row_desc(),
_expr_mem_tracker);
scanner_filter_apply_marks[i] = true;
+ {
+ std::unique_lock<std::mutex> l(*(_rf_locks[i]));
+ if (!_runtime_filter_ready_flag[i]) {
+ // Use all conjuncts and new arrival runtime filters
to construct a new
+ // expression tree here.
+ auto last_expr =
+ _vconjunct_ctx_ptr ?
(*_vconjunct_ctx_ptr)->root() : vexprs[0];
+ for (size_t j = _vconjunct_ctx_ptr ? 0 : 1; j <
vexprs.size(); j++) {
+ TExprNode texpr_node;
+
texpr_node.__set_type(create_type_desc(PrimitiveType::TYPE_BOOLEAN));
+
texpr_node.__set_node_type(TExprNodeType::COMPOUND_PRED);
+ texpr_node.__set_opcode(TExprOpcode::COMPOUND_AND);
+ VExpr* new_node = _pool->add(new
VcompoundPred(texpr_node));
+ new_node->add_child(last_expr);
+ new_node->add_child(vexprs[j]);
+ last_expr = new_node;
+ }
+ _vconjunct_ctx_ptr.reset(new
doris::vectorized::VExprContext*);
+ auto new_vconjunct_ctx_ptr = _pool->add(new
VExprContext(last_expr));
+ WARN_IF_ERROR(new_vconjunct_ctx_ptr->prepare(state,
row_desc(),
Review Comment:
If prepare or open failed, the _vcontjunct_ctx_ptr is reset, the result is
wrong?
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