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PATCH bugfix to opensource branch

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This commit is contained in:
obdev
2021-07-19 22:33:13 +08:00
committed by wangzelin.wzl
parent 5b5c04ff49
commit e03cb03357
34 changed files with 1471 additions and 1150 deletions
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40
src/sql/optimizer/ob_optimizer_util.cpp
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@ -3568,33 +3568,43 @@ int ObOptimizerUtil::flip_op_type(const ObItemType expr_type, ObItemType& rotate
return ret;
}
int ObOptimizerUtil::get_rownum_filter_info(
ObRawExpr* rownum_expr, ObItemType& expr_type, ObRawExpr*& const_expr, bool& is_const_filter)
int ObOptimizerUtil::get_rownum_filter_info(ObRawExpr *rownum_cond,
ObItemType &expr_type,
ObRawExpr *&rownum_expr,
ObRawExpr *&const_expr,
bool &is_const_filter)
{
int ret = OB_SUCCESS;
is_const_filter = false;
ObRawExpr* first_param = NULL;
ObRawExpr* second_param = NULL;
if (OB_ISNULL(rownum_expr)) {
ObRawExpr *first_param = NULL;
ObRawExpr *second_param = NULL;
if (OB_ISNULL(rownum_cond)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expr is null", K(ret));
} else if (rownum_expr->is_op_expr() && 2 == rownum_expr->get_param_count() &&
(IS_RANGE_CMP_OP(rownum_expr->get_expr_type()) || T_OP_EQ == rownum_expr->get_expr_type())) {
first_param = rownum_expr->get_param_expr(0);
second_param = rownum_expr->get_param_expr(1);
} else if (rownum_cond->is_op_expr() && 2 == rownum_cond->get_param_count() &&
(IS_RANGE_CMP_OP(rownum_cond->get_expr_type())
|| T_OP_EQ == rownum_cond->get_expr_type())) {
first_param = rownum_cond->get_param_expr(0);
second_param = rownum_cond->get_param_expr(1);
if (OB_ISNULL(first_param) || OB_ISNULL(second_param)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("null expr", K(ret), K(first_param), K(second_param));
} else if (first_param->has_flag(IS_ROWNUM) && second_param->has_flag(IS_CONST) &&
(second_param->get_result_type().is_int() || second_param->get_result_type().is_number())) {
expr_type = rownum_expr->get_expr_type();
} else if (first_param->has_flag(IS_ROWNUM) &&
second_param->has_flag(IS_CONST) &&
(second_param->get_result_type().is_int()
|| second_param->get_result_type().is_number())) {
expr_type = rownum_cond->get_expr_type();
rownum_expr = first_param;
const_expr = second_param;
is_const_filter = true;
} else if (first_param->has_flag(IS_CONST) && second_param->has_flag(IS_ROWNUM) &&
(first_param->get_result_type().is_int() || first_param->get_result_type().is_number())) {
if (OB_FAIL(flip_op_type(rownum_expr->get_expr_type(), expr_type))) {
} else if (first_param->has_flag(IS_CONST) &&
second_param->has_flag(IS_ROWNUM) &&
(first_param->get_result_type().is_int()
|| first_param->get_result_type().is_number())) {
if (OB_FAIL(flip_op_type(rownum_cond->get_expr_type(), expr_type))) {
LOG_WARN("failed to retate rownum_expr type", K(ret));
} else {
rownum_expr = second_param;
const_expr = first_param;
is_const_filter = true;
}