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bugfix: lost some join pred

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This commit is contained in:
xianyu-w
2023-07-31 13:42:21 +00:00
committed by ob-robot
parent 772ea65742
commit 559145f72d
3 changed files with 24 additions and 3 deletions
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17
src/sql/optimizer/ob_optimizer_util.cpp
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@ -509,6 +509,23 @@ bool ObOptimizerUtil::is_same_ordering(const common::ObIArray<OrderItem> &orderi
return is_same;
}
bool ObOptimizerUtil::in_same_equalset(const ObRawExpr *from,
const ObRawExpr *to,
const EqualSets &equal_sets)
{
bool found = false;
int64_t N = equal_sets.count();
for (int64_t i = 0; !found && i < N; ++i) {
if (OB_ISNULL(equal_sets.at(i))) {
LOG_WARN_RET(OB_ERR_UNEXPECTED, "get null equal set");
} else if (find_equal_expr(*equal_sets.at(i), from) &&
find_equal_expr(*equal_sets.at(i), to)) {
found = true;
}
}
return found;
}
bool ObOptimizerUtil::is_expr_equivalent(const ObRawExpr *from,
const ObRawExpr *to,
const EqualSets &equal_sets)