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fix win expr order incorrect cause 4016 error

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This commit is contained in:
ChangerR
2023-06-13 13:59:20 +00:00
committed by ob-robot
parent 20436816ad
commit cf4bb72e84
1 changed files with 25 additions and 7 deletions
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32
src/sql/optimizer/ob_select_log_plan.cpp
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@ -5887,15 +5887,33 @@ int ObSelectLogPlan::adjust_window_functions(const ObLogicalOperator *top,
} else {
const EqualSets &equal_sets = top->get_output_equal_sets();
ObSEArray<std::pair<int64_t, int64_t>, 8> expr_entries;
bool is_const = false;
ObSEArray<ObRawExpr*, 4> simplified_exprs;
for (int64_t i = 0; OB_SUCC(ret) && i < winfunc_exprs.count(); ++i) {
int64_t non_const_exprs = 0;
if (OB_FAIL(ObOptimizerUtil::get_non_const_expr_size(winfunc_exprs.at(i)->get_partition_exprs(),
equal_sets,
top->get_output_const_exprs(),
get_onetime_query_refs(),
non_const_exprs))) {
LOG_WARN("failed to get non const expr size", K(ret));
} else if (OB_FAIL(expr_entries.push_back(std::pair<int64_t, int64_t>(-non_const_exprs, i)))) {
simplified_exprs.reuse();
if (OB_ISNULL(winfunc_exprs.at(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (OB_FAIL(ObOptimizerUtil::simplify_exprs(top->get_fd_item_set(),
equal_sets,
top->get_output_const_exprs(),
winfunc_exprs.at(i)->get_partition_exprs(),
simplified_exprs))) {
LOG_WARN("failed to simplify exprs", K(ret));
}
for (int64_t j = 0; OB_SUCC(ret) && j < simplified_exprs.count(); ++j) {
if (OB_FAIL(ObOptimizerUtil::is_const_expr(simplified_exprs.at(j),
equal_sets,
top->get_output_const_exprs(),
get_onetime_query_refs(),
is_const))) {
LOG_WARN("failed to check is const expr", K(ret));
} else if (!is_const) {
++non_const_exprs;
}
}
if (OB_SUCC(ret) && OB_FAIL(expr_entries.push_back(std::pair<int64_t, int64_t>(-non_const_exprs, i)))) {
LOG_WARN("faield to push back expr entry", K(ret));
}
}