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[CP] Fix pushdown filter constructor

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This commit is contained in:
DengzhiLiu
2023-10-09 06:09:40 +00:00
committed by ob-robot
parent 9e3bc9df10
commit 37a5393d3d
2 changed files with 20 additions and 8 deletions
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24
src/sql/engine/basic/ob_pushdown_filter.cpp
View File

@ -54,32 +54,40 @@ OB_SERIALIZE_MEMBER((ObPushdownWhiteFilterNode,ObPushdownFilterNode),
int ObPushdownBlackFilterNode::merge(ObIArray<ObPushdownFilterNode*> &merged_node)
{
int ret = OB_SUCCESS;
int64_t merge_expr_count = 0;
for (int64_t i = 0; i < merged_node.count(); i++) {
merge_expr_count += static_cast<ObPushdownBlackFilterNode *>(merged_node.at(i))->get_filter_expr_count();
}
if (0 < filter_exprs_.count()) {
common::ObArray<ObExpr *> tmp_expr;
if (OB_FAIL(tmp_expr.assign(filter_exprs_))) {
LOG_WARN("failed to assign filter exprs", K(ret));
} else if (FALSE_IT(filter_exprs_.reuse())) {
} else if (OB_FAIL(filter_exprs_.init(tmp_expr.count() + merged_node.count()))) {
} else if (OB_FAIL(filter_exprs_.init(tmp_expr.count() + merge_expr_count))) {
LOG_WARN("failed to init filter exprs", K(ret));
} else if (OB_FAIL(filter_exprs_.assign(tmp_expr))) {
LOG_WARN("failed to assign filter exprs", K(ret));
}
} else if (OB_FAIL(filter_exprs_.init(1 + merged_node.count()))) {
} else if (OB_FAIL(filter_exprs_.init(1 + merge_expr_count))) {
LOG_WARN("failed to init exprs", K(ret));
} else if (OB_FAIL(filter_exprs_.push_back(tmp_expr_))) {
LOG_WARN("failed to push back expr", K(ret));
}
for (int64_t i = 0; i < merged_node.count() && OB_SUCC(ret); ++i) {
for (int64_t i = 0; OB_SUCC(ret) && i < merged_node.count(); ++i) {
ObPushdownBlackFilterNode *black_node = static_cast<ObPushdownBlackFilterNode*>(merged_node.at(i));
if (OB_ISNULL(black_node->tmp_expr_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected status: exprs must be only one", K(ret));
} else {
if (OB_FAIL(filter_exprs_.push_back(black_node->tmp_expr_))) {
if (!black_node->filter_exprs_.empty()) {
for (int64_t idx = 0; OB_SUCC(ret) && idx < black_node->filter_exprs_.count(); idx++) {
if (OB_FAIL(filter_exprs_.push_back(black_node->filter_exprs_.at(idx)))) {
LOG_WARN("failed to push back expr", K(ret));
}
}
} else if (OB_ISNULL(black_node->tmp_expr_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected status: exprs must be only one", K(ret));
} else if (OB_FAIL(filter_exprs_.push_back(black_node->tmp_expr_))) {
LOG_WARN("failed to push back expr", K(ret));
}
}
return ret;
}

4
src/sql/engine/basic/ob_pushdown_filter.h
View File

@ -154,6 +154,10 @@ public:
virtual int postprocess() override;
INHERIT_TO_STRING_KV("ObPushdownBlackFilterNode", ObPushdownFilterNode,
K_(column_exprs), K_(filter_exprs));
private:
int64_t get_filter_expr_count()
{ return filter_exprs_.empty() ? 1 : filter_exprs_.count(); }
public:
ExprFixedArray column_exprs_; // 列对应的表达式
ExprFixedArray filter_exprs_; // 下压filters