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Fix core at ObSysFunRawExpr::inner_same_as when compare CONCAT expr with T_OP_CNN expr

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This commit is contained in:
obdev
2022-12-08 10:40:48 +00:00
committed by ob-robot
parent 535db4941b
commit 6feedb3cee
1 changed files with 22 additions and 12 deletions
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34
src/sql/resolver/expr/ob_raw_expr.cpp
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@ -1941,27 +1941,25 @@ bool ObOpRawExpr::inner_same_as(
} else if (expr.get_expr_type() != get_expr_type()) {
need_cmp = false;
}
if (need_cmp) {
const ObOpRawExpr *m_expr = static_cast<const ObOpRawExpr *>(&expr);
if (BOTH_CMP == cmp_type || REGULAR_CMP == cmp_type) {
if (this->get_param_count() == m_expr->get_param_count()) {
if (this->get_param_count() == expr.get_param_count()) {
bool_ret = true;
for (int64_t i = 0; bool_ret && i < m_expr->get_param_count(); ++i) {
if (NULL == this->get_param_expr(i) || NULL == m_expr->get_param_expr(i)
|| !(this->get_param_expr(i)->same_as(*m_expr->get_param_expr(i), check_context))) {
for (int64_t i = 0; bool_ret && i < expr.get_param_count(); ++i) {
if (NULL == this->get_param_expr(i) || NULL == expr.get_param_expr(i)
|| !(this->get_param_expr(i)->same_as(*expr.get_param_expr(i), check_context))) {
bool_ret = false;
}
}
}
}
if (!bool_ret && (BOTH_CMP == cmp_type || REVERSE_CMP == cmp_type)) {
if (NULL == this->get_param_expr(0) || NULL == m_expr->get_param_expr(0)
|| NULL == this->get_param_expr(1) || NULL == m_expr->get_param_expr(1)) {
if (NULL == this->get_param_expr(0) || NULL == expr.get_param_expr(0)
|| NULL == this->get_param_expr(1) || NULL == expr.get_param_expr(1)) {
/* bool_ret = false; */
} else {
bool_ret = this->get_param_expr(0)->same_as(*m_expr->get_param_expr(1), check_context)
&& this->get_param_expr(1)->same_as(*m_expr->get_param_expr(0), check_context);
bool_ret = this->get_param_expr(0)->same_as(*expr.get_param_expr(1), check_context)
&& this->get_param_expr(1)->same_as(*expr.get_param_expr(0), check_context);
}
}
}
@ -3387,11 +3385,11 @@ bool ObSysFunRawExpr::inner_same_as(
ObExprEqualCheckContext *check_context) const
{
bool bool_ret = false;
const ObSysFunRawExpr *s_expr = static_cast<const ObSysFunRawExpr *>(&expr);
if (get_expr_type() != expr.get_expr_type()) {
} else if (T_FUN_SYS_RAND == get_expr_type()
|| T_FUN_SYS_GUID == get_expr_type()) {
} else {
} else if (expr.is_sys_func_expr()) {
const ObSysFunRawExpr *s_expr = static_cast<const ObSysFunRawExpr *>(&expr);
if (ObCharset::case_insensitive_equal(func_name_, s_expr->get_func_name())
&& this->get_param_count() == s_expr->get_param_count()) {
bool_ret = true;
@ -3434,6 +3432,18 @@ bool ObSysFunRawExpr::inner_same_as(
bool_ret = result_type_.get_scale() == s_expr->get_result_type().get_scale();
}
}
} else if (expr.is_op_expr() && T_OP_CNN == expr.get_expr_type()) {
//for cases which compares concat('xxx','xxx') with 'xxx'||'xxx'
const ObOpRawExpr *m_expr = static_cast<const ObOpRawExpr *>(&expr);
if (this->get_param_count() == m_expr->get_param_count()) {
bool_ret = true;
for (int64_t i = 0; bool_ret && i < m_expr->get_param_count(); ++i) {
if (NULL == this->get_param_expr(i) || NULL == m_expr->get_param_expr(i)
|| !(this->get_param_expr(i)->same_as(*m_expr->get_param_expr(i), check_context))) {
bool_ret = false;
}
}
}
}
return bool_ret;
}