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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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128
src/sql/engine/expr/ob_expr_sign.cpp
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@ -14,28 +14,32 @@
#include "ob_expr_sign.h"
#include "sql/engine/expr/ob_expr_util.h"
#include <cmath>
#include "sql/parser/ob_item_type.h"
#include "objit/common/ob_item_type.h"
#include "sql/session/ob_sql_session_info.h"
using namespace oceanbase::common;
using namespace oceanbase::sql;
namespace oceanbase {
namespace sql {
namespace oceanbase
{
namespace sql
{
static constexpr double DOUBLE_EPS = 1e-8;
static constexpr float FLOAT_EPS = 1e-8;
ObExprSign::ObExprSign(ObIAllocator& alloc) : ObFuncExprOperator(alloc, T_OP_SIGN, N_SIGN, 1, NOT_ROW_DIMENSION)
{}
ObExprSign::ObExprSign(ObIAllocator &alloc)
: ObFuncExprOperator(alloc, T_OP_SIGN, N_SIGN, 1, NOT_ROW_DIMENSION)
{
}
ObExprSign::~ObExprSign()
{}
{
}
int ObExprSign::calc_result_type1(ObExprResType& type, ObExprResType& text, common::ObExprTypeCtx& type_ctx) const
int ObExprSign::calc_result_type1(ObExprResType &type,
ObExprResType &text,
common::ObExprTypeCtx &type_ctx) const
{
int ret = OB_SUCCESS;
// keep enumset as origin type
//keep enumset as origin type
if (lib::is_oracle_mode()) {
type.set_number();
type.set_scale(ObAccuracy::DDL_DEFAULT_ACCURACY2[ORACLE_MODE][ObNumberType].get_scale());
@ -45,7 +49,7 @@ int ObExprSign::calc_result_type1(ObExprResType& type, ObExprResType& text, comm
type.set_scale(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].scale_);
type.set_precision(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].precision_);
}
const ObSQLSessionInfo* session = type_ctx.get_session();
const ObSQLSessionInfo *session = type_ctx.get_session();
if (OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("session is NULL", K(ret));
@ -64,7 +68,7 @@ int ObExprSign::calc_result_type1(ObExprResType& type, ObExprResType& text, comm
return ret;
}
int ObExprSign::calc(ObObj& result, double val)
int ObExprSign::calc(ObObj &result, double val)
{
if (0 == val) {
result.set_int(0);
@ -74,93 +78,14 @@ int ObExprSign::calc(ObObj& result, double val)
return OB_SUCCESS;
}
int ObExprSign::calc_result1(ObObj& result, const ObObj& obj, ObExprCtx& expr_ctx) const
int calc_sign_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res_datum)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(expr_ctx.calc_buf_)) {
ret = OB_NOT_INIT;
LOG_WARN("varchar buffer not init", K(ret));
} else if (lib::is_oracle_mode()) {
ObObjType input_type = input_types_.at(0).get_calc_meta().get_type();
ObCollationType input_cs_type = input_types_.at(0).get_calc_meta().get_collation_type();
if (obj.is_null()) {
if (cast_supported(input_type, input_cs_type, ObNumberType, CS_TYPE_BINARY)) {
result.set_null();
} else {
ret = OB_INVALID_NUMERIC;
LOG_WARN("invalid type to Number", K(input_type));
}
/*
* The following two branches are used to deal with the problem that
* floating-point number's precision is too high to result overflow
* while converting ObNumber, and go directly to floating-point
* number's comparison
* */
} else if (ob_is_double_tc(obj.get_type())) {
number::ObNumber res_nmb;
int64_t res_int = (obj.get_double() < 0 ? -1 : 1);
if (OB_FAIL(res_nmb.from(res_int, *expr_ctx.calc_buf_))) {
LOG_WARN("fail to get number", K(ret));
} else {
result.set_number(res_nmb);
}
} else if (ob_is_float_tc(obj.get_type())) {
number::ObNumber res_nmb;
int64_t res_int = (obj.get_float() < 0 ? -1 : 1);
if (OB_FAIL(res_nmb.from(res_int, *expr_ctx.calc_buf_))) {
LOG_WARN("fail to get number", K(ret));
} else {
result.set_number(res_nmb);
}
} else {
number::ObNumber nmb;
number::ObNumber res_nmb;
EXPR_DEFINE_CAST_CTX(expr_ctx, CM_NONE);
EXPR_GET_NUMBER_V2(obj, nmb);
if (OB_SUCC(ret)) {
int64_t res_int = nmb.is_negative() ? -1 : (nmb.is_zero() ? 0 : 1);
if (OB_FAIL(res_nmb.from(res_int, *expr_ctx.calc_buf_))) {
LOG_WARN("fail to get number", K(ret));
} else {
result.set_number(res_nmb);
}
}
}
} else {
ObObjType type = obj.get_type();
if (obj.is_null()) {
result.set_null();
} else if (ob_is_int_tc(type)) {
int64_t value = obj.get_int();
result.set_int(value < 0 ? -1 : (0 == value ? 0 : 1));
} else if (ob_is_uint_tc(type)) {
uint64_t value = obj.get_uint64();
result.set_int(0 == value ? 0 : 1);
} else if (ob_is_number_tc(type)) {
number::ObNumber nmb = obj.get_number();
result.set_int(nmb.is_negative() ? -1 : (nmb.is_zero() ? 0 : 1));
} else {
double value = 0.0;
EXPR_DEFINE_CAST_CTX(expr_ctx, CM_NONE);
EXPR_GET_DOUBLE_V2(obj, value);
if (OB_FAIL(ret)) {
LOG_WARN("failed to cast to double", K(obj), K(ret));
} else if (OB_FAIL(calc(result, value))) {
LOG_WARN("failed to calc for sign", K(obj), K(ret), K(value));
}
}
}
return ret;
}
int calc_sign_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
{
int ret = OB_SUCCESS;
ObDatum* arg_datum = NULL;
const ObObjType& arg_type = expr.args_[0]->datum_meta_.type_;
const ObCollationType& arg_cs_type = expr.args_[0]->datum_meta_.cs_type_;
const ObObjType& res_type = expr.datum_meta_.type_;
const ObObjTypeClass& arg_tc = ob_obj_type_class(arg_type);
ObDatum *arg_datum = NULL;
const ObObjType &arg_type = expr.args_[0]->datum_meta_.type_;
const ObCollationType &arg_cs_type = expr.args_[0]->datum_meta_.cs_type_;
const ObObjType &res_type = expr.datum_meta_.type_;
const ObObjTypeClass &arg_tc = ob_obj_type_class(arg_type);
if (OB_FAIL(expr.args_[0]->eval(ctx, arg_datum))) {
LOG_WARN("eval arg failed", K(ret));
} else if (arg_datum->is_null()) {
@ -233,7 +158,8 @@ int calc_sign_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
return ret;
}
int ObExprSign::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
int ObExprSign::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
UNUSED(expr_cg_ctx);
@ -242,5 +168,5 @@ int ObExprSign::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObE
return ret;
}
} // namespace sql
} // namespace oceanbase
} //namespace sql
} //namespace oceanbase