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patch 4.0

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This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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110
src/sql/engine/expr/ob_expr_xor.cpp
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@ -18,100 +18,41 @@
#include "share/config/ob_server_config.h"
#include "sql/session/ob_sql_session_info.h"
namespace oceanbase {
namespace oceanbase
{
using namespace common;
using namespace share;
namespace sql {
namespace sql
{
ObExprXor::ObExprXor(ObIAllocator& alloc)
ObExprXor::ObExprXor(ObIAllocator &alloc)
: ObLogicalExprOperator(alloc, T_OP_XOR, N_XOR, PARAM_NUM_UNKNOWN, NOT_ROW_DIMENSION)
{
// not sure about the op name here
//not sure about the op name here
}
int ObExprXor::calc_result_typeN(
ObExprResType& type, ObExprResType* types_stack, int64_t param_num, ObExprTypeCtx& type_ctx) const
int ObExprXor::calc_result_typeN(ObExprResType &type,
ObExprResType *types_stack,
int64_t param_num,
ObExprTypeCtx &type_ctx) const
{
UNUSED(types_stack);
UNUSED(param_num);
UNUSED(type_ctx);
int ret = OB_SUCCESS;
// just keep enumset as origin
//just keep enumset as origin
type.set_int32();
type.set_precision(DEFAULT_PRECISION_FOR_BOOL);
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
// for expr and/or/xor, we depend on expr bool to get correct params,
// no need to set calc type
//for expr and/or/xor, we depend on expr bool to get correct params,
//no need to set calc type
return ret;
}
int ObExprXor::calc_result2(ObObj& result, const ObObj& obj1, const ObObj& obj2, ObExprCtx& expr_ctx) const
{
return calc(result, obj1, obj2, expr_ctx);
}
int ObExprXor::calc_resultN(ObObj& result, const ObObj* objs, int64_t param_num, ObExprCtx& expr_ctx) const
{
int ret = OB_SUCCESS;
if (OB_ISNULL(objs) || OB_UNLIKELY(1 >= param_num)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(objs), K(param_num));
} else {
ret = calc(result, objs[0], objs[1], expr_ctx);
if (OB_SUCC(ret)) {
for (int64_t idx = 2; idx < param_num && OB_SUCCESS == ret && !result.is_true(); ++idx) {
ret = calc(result, objs[idx], result, expr_ctx);
}
}
}
return ret;
}
int ObExprXor::calc(ObObj& res, const ObObj& left, const ObObj& right, ObExprCtx& expr_ctx)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(left.is_null())) {
if (OB_UNLIKELY(right.is_null())) {
res.set_null();
} else {
ret = calc_res_with_one_param_null(res, left, right, expr_ctx);
}
} else {
if (OB_UNLIKELY(right.is_null())) {
ret = calc_res_with_one_param_null(res, right, left, expr_ctx);
} else {
bool left_is_true = false;
bool right_is_true = false;
EXPR_SET_CAST_CTX_MODE(expr_ctx);
if (OB_FAIL(ObLogicalExprOperator::is_true(left, expr_ctx.cast_mode_ | CM_NO_RANGE_CHECK, left_is_true))) {
LOG_WARN("failed to eval left", K(ret));
} else if (OB_FAIL(
ObLogicalExprOperator::is_true(right, expr_ctx.cast_mode_ | CM_NO_RANGE_CHECK, right_is_true))) {
LOG_WARN("failed to eval right", K(ret));
} else {
res.set_int32(left_is_true ^ right_is_true);
}
}
}
return ret;
}
int ObExprXor::calc_res_with_one_param_null(
common::ObObj &res, const common::ObObj &left, const common::ObObj &right, common::ObExprCtx &expr_ctx)
{
int ret = OB_SUCCESS;
UNUSED(expr_ctx);
if (OB_UNLIKELY((!left.is_null()) || right.is_null())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected params", K(ret), K(left), K(right));
} else {
// xor returns null
res.set_null();
}
return ret;
}
int ObExprXor::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
int ObExprXor::cg_expr(ObExprCGCtx &op_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
UNUSED(op_cg_ctx);
@ -126,15 +67,18 @@ int ObExprXor::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr
return ret;
}
int ObExprXor::eval_xor(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
int ObExprXor::eval_xor(const ObExpr &expr,
ObEvalCtx &ctx,
ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(expr.args_) || OB_UNLIKELY(expr.arg_cnt_ < 2)) {
if (OB_ISNULL(expr.args_)
|| OB_UNLIKELY(expr.arg_cnt_ < 2)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret));
} else {
// xor supports short-circuit calculation, if there is null, return null directly
ObDatum* param = NULL;
// xor支持短路，如果有null，直接返回null
ObDatum *param = NULL;
bool found_null = false;
bool cur_bool_v = false;
if (OB_ISNULL(expr.args_[0])) {
@ -177,5 +121,7 @@ int ObExprXor::eval_xor(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
// int ObExprXor::eval_xor()
} // namespace sql
} // namespace oceanbase
}
}