HappenLee commented on code in PR #10103:
URL: https://github.com/apache/doris/pull/10103#discussion_r900112175
##########
be/src/vec/exec/volap_scan_node.cpp:
##########
@@ -389,29 +393,73 @@ 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;
Review Comment:
it's `std::vector<bool>`, i am not sure it can be valid in mutil thread env.
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