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patch 4.0

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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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606
src/sql/engine/expr/ob_expr_is.cpp
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@ -11,116 +11,128 @@
*/
#define USING_LOG_PREFIX SQL_ENG
#include <math.h>
#include "sql/engine/expr/ob_expr_is.h"
#include "share/object/ob_obj_cast.h"
//#include "sql/engine/expr/ob_expr_promotion_util.h"
#include "sql/parser/ob_item_type.h"
#include "objit/common/ob_item_type.h"
#include "sql/session/ob_sql_session_info.h"
#include "share/config/ob_server_config.h"
namespace oceanbase {
namespace oceanbase
{
using namespace common;
namespace sql {
namespace sql
{
ObExprIsBase::ObExprIsBase(ObIAllocator& alloc, ObExprOperatorType type, const char* name)
: ObRelationalExprOperator(alloc, type, name, 3){};
ObExprIsBase::ObExprIsBase(ObIAllocator &alloc,
ObExprOperatorType type,
const char *name)
: ObRelationalExprOperator(alloc, type, name, 3)
{};
int ObExprIsBase::calc_result_type3(ObExprResType& type, ObExprResType& type1, ObExprResType& type2,
ObExprResType& type3, ObExprTypeCtx& type_ctx) const
int ObExprIsBase::calc_result_type3(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
ObExprResType &type3,
ObExprTypeCtx &type_ctx) const
{
int ret = OB_SUCCESS;
const ObSQLSessionInfo* session = static_cast<const ObSQLSessionInfo*>(type_ctx.get_session());
if (!session->use_static_typing_engine()) {
ObExprResType tmp_type2;
if (lib::is_oracle_mode() && type1.is_ext()) {
type.set_int32(); // not tinyint, compatible with MySQL
type.set_precision(DEFAULT_PRECISION_FOR_BOOL);
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
type.set_calc_type(type1.get_calc_type());
type.set_result_flag(OB_MYSQL_NOT_NULL_FLAG);
type2.set_calc_type(type2.get_type());
} else {
if (OB_FAIL(tmp_type2.assign(type2))) {
LOG_WARN("failed to copy type", K(ret), K(type2));
} else if (OB_FAIL(ObRelationalExprOperator::calc_result_type2(type, type1, tmp_type2, type_ctx))) {
LOG_WARN("failed to calc result type", K(ret), K(type1), K(tmp_type2));
} else {
// always allow NULL value
type.set_result_flag(OB_MYSQL_NOT_NULL_FLAG);
type2.set_calc_type(type2.get_type());
}
}
ObRawExpr *raw_expr = get_raw_expr();
ObOpRawExpr *op_expr = static_cast<ObOpRawExpr *>(raw_expr);
if (OB_ISNULL(op_expr) || OB_UNLIKELY(op_expr->get_param_count() != 3)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("op raw expr is null", K(ret), K(op_expr));
} else if (lib::is_oracle_mode() && type1.is_ext()) {
type.set_int32();
type.set_precision(DEFAULT_PRECISION_FOR_BOOL);
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
type.set_calc_type(type1.get_calc_type());
type.set_result_flag(NOT_NULL_FLAG);
type2.set_calc_type(type2.get_type());
} else {
// TODO add collection process for PL
ObRawExpr* raw_expr = get_raw_expr();
ObOpRawExpr* op_expr = static_cast<ObOpRawExpr*>(raw_expr);
if (OB_ISNULL(op_expr) || OB_UNLIKELY(op_expr->get_param_count() != 3)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("op raw expr is null", K(ret), K(op_expr));
} else {
// always allow NULL value
type.set_result_flag(OB_MYSQL_NOT_NULL_FLAG);
type2.set_calc_type(type2.get_type());
type3.set_calc_type(type3.get_type());
// always allow NULL value
type.set_result_flag(NOT_NULL_FLAG);
//is operator第二个参数必须保持原来的NULL或者FALSE, TRUE
type2.set_calc_type(type2.get_type());
type3.set_calc_type(type3.get_type());
ObRawExpr* param2 = op_expr->get_param_expr(1);
ObConstRawExpr* const_param2 = static_cast<ObConstRawExpr*>(param2);
ObRawExpr* param3 = op_expr->get_param_expr(2);
ObConstRawExpr* const_param3 = static_cast<ObConstRawExpr*>(param3);
if (OB_ISNULL(const_param2) || OB_ISNULL(const_param3)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("second or third child of is expr is null", K(ret), K(const_param2), K(const_param3));
} else if (!const_param2->get_value().is_null()) { // is true/false
if (ob_is_numeric_type(type1.get_type())) {
type1.set_calc_meta(type1.get_obj_meta());
type1.set_calc_accuracy(type1.get_accuracy());
} else {
type1.set_calc_type(ObNumberType);
const ObAccuracy& calc_acc = ObAccuracy::DDL_DEFAULT_ACCURACY2[0][ObNumberType];
type1.set_calc_accuracy(calc_acc);
}
} else { // is null
if (const_param3->get_value().is_true()) {
type1.set_calc_type(ObIntType);
} else {
type1.set_calc_type(type1.get_type());
}
// query range extract check the calc type of %type.
type.set_calc_meta(type1.get_calc_meta());
ObRawExpr *param2 = op_expr->get_param_expr(1);
ObConstRawExpr *const_param2 = static_cast<ObConstRawExpr *>(param2);
ObRawExpr *param3 = op_expr->get_param_expr(2);
ObConstRawExpr *const_param3 = static_cast<ObConstRawExpr *>(param3);
if (OB_ISNULL(const_param2) || OB_ISNULL(const_param3)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("second or third child of is expr is null", K(ret), K(const_param2),
K(const_param3));
} else if (ObDoubleType == const_param2->get_value().get_type()) {
type1.set_calc_type(ObDoubleType);
type1.set_calc_accuracy(type1.get_accuracy());
} else if (!const_param2->get_value().is_null()) { // is true/false
if (ob_is_numeric_type(type1.get_type())) {
type1.set_calc_meta(type1.get_obj_meta());
type1.set_calc_accuracy(type1.get_accuracy());
} else {
type1.set_calc_type(ObNumberType);
const ObAccuracy &calc_acc = ObAccuracy::DDL_DEFAULT_ACCURACY2[0][ObNumberType];
type1.set_calc_accuracy(calc_acc);
}
type.set_type(ObInt32Type);
type.set_precision(DEFAULT_PRECISION_FOR_BOOL);
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
} else { // is null
if (const_param3->get_value().is_true()) {
type1.set_calc_type(ObIntType);
} else {
type1.set_calc_type(type1.get_type());
}
// query range extract check the calc type of %type.
type.set_calc_meta(type1.get_calc_meta());
}
type_ctx.set_cast_mode(type_ctx.get_cast_mode() | CM_NO_RANGE_CHECK);
type.set_type(ObInt32Type);
type.set_precision(DEFAULT_PRECISION_FOR_BOOL);
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
}
type_ctx.set_cast_mode(type_ctx.get_cast_mode() | CM_NO_RANGE_CHECK);
return ret;
}
int ObExprIs::calc_with_null(
common::ObObj& result, const ObObj& obj1, const ObObj& obj2, const ObObj& obj3, ObCastCtx& cast_ctx) const
int ObExprIs::calc_with_null(common::ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
const ObObj &obj3,
ObCastCtx &cast_ctx) const
{
int ret = OB_SUCCESS;
bool ret_bool = false;
UNUSED(obj2);
UNUSED(cast_ctx);
if (obj3.is_true()) {
if (obj1.is_null()) {
if(obj1.is_null()) {
ret_bool = true;
} else {
int64_t int_val = 0;
EXPR_GET_INT64_V2(obj1, int_val);
if (OB_SUCC(ret)) {
if (int_val == 0) {
ret_bool = true;
ret_bool = true;
} else {
ret_bool = false;
ret_bool = false;
}
}
}
} else {
if (lib::is_oracle_mode() && obj1.get_meta().is_ext()) {
ret = OB_NOT_SUPPORTED;
switch (obj1.get_meta().get_extend_type()) {
case pl::PL_RECORD_TYPE: {
pl::ObPLRecord *rec = reinterpret_cast<pl::ObPLRecord *>(obj1.get_ext());
ret_bool = rec->is_null();
}
break;
default: {
ret = OB_NOT_SUPPORTED;
LOG_WARN("check complex value is null not supported", K(ret), K(obj1));
LOG_USER_ERROR(OB_NOT_SUPPORTED, "check complex is null");
} break;
}
} else {
ret_bool = obj1.is_null();
}
@ -133,8 +145,11 @@ int ObExprIs::calc_with_null(
return ret;
}
int ObExprIsNot::calc_with_null(
ObObj& result, const ObObj& obj1, const ObObj& obj2, const ObObj& obj3, ObCastCtx& cast_ctx) const
int ObExprIsNot::calc_with_null(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
const ObObj &obj3,
ObCastCtx &cast_ctx) const
{
int ret = OB_SUCCESS;
UNUSED(obj2);
@ -142,7 +157,13 @@ int ObExprIsNot::calc_with_null(
UNUSED(cast_ctx);
bool ret_bool = false;
if (lib::is_oracle_mode() && obj1.get_meta().is_ext()) {
ret = OB_NOT_SUPPORTED;
switch (obj1.get_meta().get_extend_type()) {
default: {
ret = OB_NOT_SUPPORTED;
LOG_WARN("check complex value is null not supported", K(ret), K(obj1));
LOG_USER_ERROR(OB_NOT_SUPPORTED, "check complex is null");
} break;
}
} else {
ret_bool = !obj1.is_null();
}
@ -150,20 +171,73 @@ int ObExprIsNot::calc_with_null(
return ret;
}
int ObExprIsBase::calc_with_int_internal(
ObObj& result, const ObObj& obj1, const ObObj& obj2, ObCastCtx& cast_ctx, bool is_not) const
int ObExprIs::calc_collection_is_null(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum *param = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, param))) {
LOG_WARN("evaluate parameter failed", K(ret));
} else {
bool v = false;
if (param->is_null() || param->extend_obj_->is_null()) {
v = true;
} else {
uint64_t ext = param->extend_obj_->get_ext();
switch (param->extend_obj_->get_meta().get_extend_type()) {
case pl::PL_RECORD_TYPE: {
pl::ObPLRecord *rec = reinterpret_cast<pl::ObPLRecord *>(ext);
v = rec->is_null();
break;
}
default: {
ret = OB_NOT_SUPPORTED;
LOG_WARN("check complex value is null not supported", K(ret), K(param->extend_obj_));
LOG_USER_ERROR(OB_NOT_SUPPORTED, "check complex is null");
} break;
}
}
if (OB_SUCC(ret)) {
expr_datum.set_int32(v);
}
}
return ret;
}
int ObExprIsNot::calc_collection_is_not_null(const ObExpr &expr,
ObEvalCtx &ctx,
ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
if (OB_FAIL(ObExprIs::calc_collection_is_null(expr, ctx, expr_datum))) {
LOG_WARN("eval is null failed", K(ret));
} else {
ObDatum &d = expr.locate_expr_datum(ctx);
d.set_int32(!d.get_int32());
}
return ret;
}
int ObExprIsBase::calc_with_int_internal(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx,
bool is_not) const
{
int ret = OB_SUCCESS;
bool ret_bool = false;
if (obj1.is_null()) {
ret_bool = is_not;
} else if (obj1.is_tinyint()) {
ret_bool = is_not ? obj1.get_bool() != obj2.get_bool() : obj1.get_bool() == obj2.get_bool();
ret_bool = is_not ?
obj1.get_bool() != obj2.get_bool() :
obj1.get_bool() == obj2.get_bool();
} else {
int64_t int_val = 0;
EXPR_GET_INT64_V2(obj1, int_val);
if (OB_SUCC(ret)) {
if ((int_val != 0 && obj2.get_bool() == is_not) || (int_val == 0 && obj2.get_bool() == !is_not)) {
if ((int_val != 0 && obj2.get_bool() == is_not)
|| (int_val == 0 && obj2.get_bool() == !is_not)) {
ret_bool = false;
} else {
ret_bool = true;
@ -183,78 +257,155 @@ int ObExprIsBase::calc_with_int_internal(
return ret;
}
int ObExprIs::calc_with_int(ObObj& result, const ObObj& obj1, const ObObj& obj2, ObCastCtx& cast_ctx) const
int ObExprIsBase::is_infinite_nan(const ObObjType datum_type,
ObDatum *datum,
bool &ret_bool,
Ieee754 inf_or_nan)
{
int ret = OB_SUCCESS;
if (inf_or_nan == Ieee754::INFINITE_VALUE) {
if (ObFloatType == datum_type) {
ret_bool = (fabs(datum->get_float()) == INFINITY ? true: false);
} else if (ObDoubleType == datum_type) {
ret_bool = (fabs(datum->get_double()) == INFINITY ? true: false);
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("is_infinite: invalid column type", K(datum_type));
}
} else {
if (ObFloatType == datum_type) {
ret_bool = isnan(fabs(datum->get_float()));
} else if (ObDoubleType == datum_type) {
ret_bool = isnan(fabs(datum->get_double()));
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("is_infinite: invalid column type", K(datum_type));
}
}
return ret;
}
int ObExprIs::calc_with_int(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx) const
{
return calc_with_int_internal(result, obj1, obj2, cast_ctx, false);
}
int ObExprIsNot::calc_with_int(ObObj& result, const ObObj& obj1, const ObObj& obj2, ObCastCtx& cast_ctx) const
int ObExprIsNot::calc_with_int(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx) const
{
return calc_with_int_internal(result, obj1, obj2, cast_ctx, true);
}
// is null/true/false
int ObExprIsBase::calc(
ObObj& result, const ObObj& obj1, const ObObj& obj2, const ObObj& obj3, ObCastCtx& cast_ctx) const
int ObExprIs::calc_with_nan(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx) const
{
return calc_with_nan_internal(result, obj1, obj2, cast_ctx, false);
}
int ObExprIs::calc_with_infinity(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx) const
{
return calc_with_infinity_internal(result, obj1, obj2, cast_ctx, false);
}
int ObExprIsBase::calc_with_nan_internal(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx,
bool is_not) const
{
UNUSED(obj2);
UNUSED(cast_ctx);
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!obj2.is_null() && !obj2.is_tinyint())) {
LOG_USER_ERROR(OB_INVALID_ARGUMENT_FOR_IS, to_cstring(obj1));
ret = OB_INVALID_ARGUMENT_FOR_IS;
LOG_WARN("invalid type for is operator", K(obj2));
bool ret_bool = false;
if (obj1.is_null()) {
result.set_null();
} else {
if (obj2.is_null()) {
ret = calc_with_null(result, obj1, obj2, obj3, cast_ctx);
} else if (obj2.is_tinyint()) {
ret = calc_with_int(result, obj1, obj2, cast_ctx);
} // end else
if (obj1.is_double()) {
ret_bool = is_not ? !isnan(obj1.get_double()) : isnan(obj1.get_double());
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("Unexpected case", K(obj1.get_type()));
}
if (OB_SUCC(ret)) {
result.set_int32(static_cast<int32_t>(ret_bool));
}
}
return ret;
}
// the 3rd obj is used for this special case:
// 'select * from t1 where c1 is null' can get rows with c1 is '0000-00-00' in mysql mode.
int ObExprIsBase::calc_result3(
ObObj& result, const ObObj& obj1, const ObObj& obj2, const ObObj& obj3, common::ObExprCtx& expr_ctx) const
int ObExprIsBase::calc_with_infinity_internal(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx,
bool is_not) const
{
EXPR_DEFINE_CAST_CTX(expr_ctx, CM_WARN_ON_FAIL);
return calc(result, obj1, obj2, obj3, cast_ctx);
UNUSED(obj2);
UNUSED(cast_ctx);
int ret = OB_SUCCESS;
bool ret_bool = false;
if (obj1.is_null()) {
result.set_null();
} else {
if (obj1.is_double()) {
ret_bool = is_not ? !isinf(obj1.get_double()) : isinf(obj1.get_double());
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("Unexpected case", K(obj1.get_type()));
}
if (OB_SUCC(ret)) {
result.set_int32(static_cast<int32_t>(ret_bool));
}
}
return ret;
}
int ObExprIsBase::cg_expr_internal(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr,
const ObConstRawExpr*& const_param2, const ObConstRawExpr*& const_param3) const
int ObExprIsBase::cg_expr_internal(ObExprCGCtx &op_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr, const ObConstRawExpr *&const_param2,
const ObConstRawExpr *&const_param3) const
{
UNUSED(op_cg_ctx);
UNUSED(op_cg_ctx);
int ret = OB_SUCCESS;
const ObOpRawExpr* op_raw_expr = static_cast<const ObOpRawExpr*>(&raw_expr);
const ObOpRawExpr *op_raw_expr = static_cast<const ObOpRawExpr*>(&raw_expr);
if (rt_expr.arg_cnt_ != 3) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("isnot expr should have 3 params", K(ret), K(rt_expr.arg_cnt_));
} else if (OB_ISNULL(rt_expr.args_) || OB_ISNULL(rt_expr.args_[0]) || OB_ISNULL(rt_expr.args_[1]) ||
OB_ISNULL(rt_expr.args_[2])) {
} else if (OB_ISNULL(rt_expr.args_) || OB_ISNULL(rt_expr.args_[0])
|| OB_ISNULL(rt_expr.args_[1]) || OB_ISNULL(rt_expr.args_[2])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("children of isnot expr is null", K(ret), K(rt_expr.args_));
} else {
const ObRawExpr* param2 = op_raw_expr->get_param_expr(1);
const ObRawExpr* param3 = op_raw_expr->get_param_expr(2);
const_param2 = static_cast<const ObConstRawExpr*>(param2);
const_param3 = static_cast<const ObConstRawExpr*>(param3);
const ObRawExpr *param2 = op_raw_expr->get_param_expr(1);
const ObRawExpr *param3 = op_raw_expr->get_param_expr(2);
const_param2 = static_cast<const ObConstRawExpr *>(param2);
const_param3 = static_cast<const ObConstRawExpr *>(param3);
}
return ret;
}
#define EVAL_FUNC(type) \
if (is_not && is_true) { \
#define EVAL_FUNC(type) \
if (is_not && is_true) { \
eval_func = ObExprIsNot::type##_is_not_true; \
} else if (is_not && !is_true) { \
} else if (is_not && !is_true) { \
eval_func = ObExprIsNot::type##_is_not_false; \
} else if (!is_not && is_true) { \
} else if (!is_not && is_true) { \
eval_func = ObExprIs::type##_is_true; \
} else if (!is_not && !is_true) { \
} else if (!is_not && !is_true) { \
eval_func = ObExprIs::type##_is_false; \
}
int ObExprIsBase::cg_result_type_class(ObObjType type, ObExpr::EvalFunc& eval_func, bool is_not, bool is_true) const
{
int ObExprIsBase::cg_result_type_class(ObObjType type, ObExpr::EvalFunc &eval_func, bool is_not,
bool is_true) const {
int ret = OB_SUCCESS;
switch (type) {
case ObTinyIntType:
@ -268,48 +419,52 @@ int ObExprIsBase::cg_result_type_class(ObObjType type, ObExpr::EvalFunc& eval_fu
case ObUInt32Type:
case ObUInt64Type:
case ObBitType: {
EVAL_FUNC(int);
break;
EVAL_FUNC(int);
break;
}
case ObFloatType:
case ObUFloatType: {
EVAL_FUNC(float);
break;
case ObUFloatType:{
EVAL_FUNC(float);
break;
}
case ObDoubleType:
case ObUDoubleType: {
EVAL_FUNC(double);
break;
EVAL_FUNC(double);
break;
}
case ObMaxType: {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("is expr got unexpected type param", K(ret), K(type));
break;
ret = OB_ERR_UNEXPECTED;
LOG_WARN("is expr got unexpected type param", K(ret), K(type));
break;
}
default: {
EVAL_FUNC(number);
break;
EVAL_FUNC(number);
break;
}
}
return ret;
}
int ObExprIs::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
int ObExprIs::cg_expr(ObExprCGCtx &op_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
const ObConstRawExpr* param2 = NULL;
const ObConstRawExpr* param3 = NULL;
const ObConstRawExpr *param2 = NULL;
const ObConstRawExpr *param3 = NULL;
ObObjType param1_type = ObMaxType;
if (OB_FAIL(cg_expr_internal(op_cg_ctx, raw_expr, rt_expr, param2, param3))) {
LOG_WARN("cg_expr_inner failed", K(ret));
} else if (OB_ISNULL(param2) || OB_ISNULL(param3)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("const raw expr param2 or param3 is null", K(param2), K(param3));
} else if (FALSE_IT(param1_type = rt_expr.args_[0]->datum_meta_.type_)) {
} else if (param3->get_value().is_true()) { // special case: date value is '0000-00-00'.
} else if(FALSE_IT(param1_type = rt_expr.args_[0]->datum_meta_.type_)) {
} else if (param3->get_value().is_true()) { // 特殊情况，not null的date或datetime列
rt_expr.eval_func_ = ObExprIs::calc_is_date_int_null;
} else if (param2->get_value().is_null()) { // c1 is null
rt_expr.eval_func_ = ObExprIs::calc_is_null;
if (lib::is_oracle_mode() && rt_expr.args_[0]->obj_meta_.is_ext()) {
rt_expr.eval_func_ = ObExprIs::calc_collection_is_null;
} else {
rt_expr.eval_func_ = ObExprIs::calc_is_null;
}
} else if (param2->get_value().is_true()) {
if (OB_FAIL(cg_result_type_class(param1_type, rt_expr.eval_func_, false, true))) {
LOG_WARN("is expr got unexpected type param", K(ret));
@ -318,27 +473,38 @@ int ObExprIs::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr&
if (OB_FAIL(cg_result_type_class(param1_type, rt_expr.eval_func_, false, false))) {
LOG_WARN("is expr got unexpected type param", K(ret));
}
} else if (ObDoubleType == param2->get_value().get_type()) {
if (isnan(param2->get_value().get_double())) {
rt_expr.eval_func_ = ObExprIs::calc_is_nan;
} else {
rt_expr.eval_func_ = ObExprIs::calc_is_infinite;
}
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("second param of is expr is not null, true or false", K(ret), K(param2->get_value()));
LOG_WARN("second param of is expr is not null, true, false or infinite or nan",
K(ret), K(param2->get_value()));
}
return ret;
}
int ObExprIsNot::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
int ObExprIsNot::cg_expr(ObExprCGCtx &op_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
const ObConstRawExpr* param2 = NULL;
const ObConstRawExpr* param3 = NULL;
const ObConstRawExpr *param2 = NULL;
const ObConstRawExpr *param3 = NULL;
ObObjType param1_type = ObMaxType;
if (OB_FAIL(cg_expr_internal(op_cg_ctx, raw_expr, rt_expr, param2, param3))) {
LOG_WARN("cg_expr_inner failed", K(ret));
} else if (OB_ISNULL(param2) || OB_ISNULL(param3)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("const raw expr param2 or param3 is null", K(param2), K(param3));
} else if (FALSE_IT(param1_type = rt_expr.args_[0]->datum_meta_.type_)) {
} else if(FALSE_IT(param1_type = rt_expr.args_[0]->datum_meta_.type_)) {
} else if (param2->get_value().is_null()) { // c1 is null
rt_expr.eval_func_ = ObExprIsNot::calc_is_not_null;
if (lib::is_oracle_mode() && rt_expr.args_[0]->obj_meta_.is_ext()) {
rt_expr.eval_func_ = ObExprIsNot::calc_collection_is_not_null;
} else {
rt_expr.eval_func_ = ObExprIsNot::calc_is_not_null;
}
} else if (param2->get_value().is_true()) {
if (OB_FAIL(cg_result_type_class(param1_type, rt_expr.eval_func_, true, true))) {
LOG_WARN("is expr got unexpected type param", K(ret));
@ -347,17 +513,24 @@ int ObExprIsNot::cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObEx
if (OB_FAIL(cg_result_type_class(param1_type, rt_expr.eval_func_, true, false))) {
LOG_WARN("is expr got unexpected type param", K(ret));
}
} else if (ObDoubleType == param2->get_value().get_type()) {
if (isnan(param2->get_value().get_double())) {
rt_expr.eval_func_ = ObExprIsNot::calc_is_not_nan;
} else {
rt_expr.eval_func_ = ObExprIsNot::calc_is_not_infinite;
}
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("second param of is expr is not null, true, false or infinite or nan", K(ret), K(param2->get_value()));
LOG_WARN("second param of is expr is not null, true, false or infinite or nan",
K(ret), K(param2->get_value()));
}
return ret;
}
int ObExprIs::calc_is_date_int_null(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
int ObExprIs::calc_is_date_int_null(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum* param1 = NULL;
ObDatum *param1 = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) {
LOG_WARN("eval first param failed", K(ret));
} else {
@ -367,10 +540,10 @@ int ObExprIs::calc_is_date_int_null(const ObExpr& expr, ObEvalCtx& ctx, ObDatum&
return ret;
}
int ObExprIs::calc_is_null(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
int ObExprIs::calc_is_null(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum* param1 = NULL;
ObDatum *param1 = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) {
LOG_WARN("eval first param failed", K(ret));
} else {
@ -380,10 +553,50 @@ int ObExprIs::calc_is_null(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_dat
return ret;
}
int ObExprIsNot::calc_is_not_null(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum)
int ObExprIs::calc_is_infinite(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum* param1 = NULL;
ObDatum *param1 = NULL;
bool ret_bool = false;
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) {
LOG_WARN("eval first param failed", K(ret));
} else if (param1->is_null()) {
expr_datum.set_null();
} else {
if (OB_FAIL(is_infinite_nan(expr.args_[0]->datum_meta_.type_, param1,
ret_bool, Ieee754::INFINITE_VALUE))) {
LOG_WARN("calc_is_infinite unexpect error", K(ret));
} else {
expr_datum.set_int32(static_cast<int32_t>(ret_bool));
}
}
return ret;
}
int ObExprIs::calc_is_nan(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum *param1 = NULL;
bool ret_bool = false;
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) {
LOG_WARN("eval first param failed", K(ret));
} else if (param1->is_null()) {
expr_datum.set_null();
} else {
if (OB_FAIL(is_infinite_nan(expr.args_[0]->datum_meta_.type_, param1,
ret_bool, Ieee754::NAN_VALUE))) {
LOG_WARN("calc_is_nan unexpect error", K(ret));
} else {
expr_datum.set_int32(static_cast<int32_t>(ret_bool));
}
}
return ret;
}
int ObExprIsNot::calc_is_not_null(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum *param1 = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) {
LOG_WARN("eval first param failed", K(ret));
} else {
@ -393,6 +606,62 @@ int ObExprIsNot::calc_is_not_null(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& e
return ret;
}
int ObExprIsNot::calc_is_not_infinite(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum *param1 = NULL;
bool ret_bool = false;
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) {
LOG_WARN("eval first param failed", K(ret));
} else if (param1->is_null()) {
expr_datum.set_null();
} else {
if (OB_FAIL(is_infinite_nan(expr.args_[0]->datum_meta_.type_, param1,
ret_bool, Ieee754::INFINITE_VALUE))) {
LOG_WARN("calc_is_not_infinite unexpect error", K(ret));
} else {
expr_datum.set_int32(static_cast<int32_t>(!ret_bool));
}
}
return ret;
}
int ObExprIsNot::calc_is_not_nan(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
ObDatum *param1 = NULL;
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) {
LOG_WARN("eval first param failed", K(ret));
} else if (param1->is_null()) {
expr_datum.set_null();
} else {
bool ret_bool = false;
if (OB_FAIL(is_infinite_nan(expr.args_[0]->datum_meta_.type_, param1,
ret_bool, Ieee754::NAN_VALUE))) {
LOG_WARN("calc_is_not_nan unexpect error", K(ret));
} else {
expr_datum.set_int32(static_cast<int32_t>(!ret_bool));
}
}
return ret;
}
int ObExprIsNot::calc_with_nan(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx) const
{
return calc_with_nan_internal(result, obj1, obj2, cast_ctx, true);
}
int ObExprIsNot::calc_with_infinity(ObObj &result,
const ObObj &obj1,
const ObObj &obj2,
ObCastCtx &cast_ctx) const
{
return calc_with_infinity_internal(result, obj1, obj2, cast_ctx, true);
}
template <typename T>
int ObExprIsBase::is_zero(T number)
{
@ -404,23 +673,26 @@ int ObExprIsBase::is_zero<number::ObCompactNumber>(number::ObCompactNumber numbe
return number.is_zero();
}
#define NUMERIC_CALC_FUNC(type, func_name, bool_is_not, is_true, str_is_not) \
int func_name::type##_##str_is_not##_##is_true(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum) \
{ \
int ret = OB_SUCCESS; \
ObDatum* param1 = NULL; \
bool ret_bool = false; \
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) { \
LOG_WARN("eval first param failed", K(ret)); \
} else if (param1->is_null()) { \
ret_bool = bool_is_not; \
} else { \
ret_bool = bool_is_not == is_true ? is_zero(param1->get_##type()) : !is_zero(param1->get_##type()); \
} \
if (OB_SUCC(ret)) { \
expr_datum.set_int32(static_cast<int32_t>(ret_bool)); \
} \
return ret; \
#define NUMERIC_CALC_FUNC(type, func_name, bool_is_not, is_true, str_is_not) \
int func_name::type##_##str_is_not##_##is_true(const ObExpr &expr, ObEvalCtx &ctx, \
ObDatum &expr_datum) \
{ \
int ret = OB_SUCCESS; \
ObDatum *param1 = NULL; \
bool ret_bool = false; \
if (OB_FAIL(expr.args_[0]->eval(ctx, param1))) { \
LOG_WARN("eval first param failed", K(ret)); \
} else if (param1->is_null()) { \
ret_bool = bool_is_not; \
} else { \
ret_bool = bool_is_not == is_true ? \
is_zero(param1->get_##type()) : \
!is_zero(param1->get_##type()); \
} \
if (OB_SUCC(ret)) { \
expr_datum.set_int32(static_cast<int32_t>(ret_bool)); \
} \
return ret; \
}
NUMERIC_CALC_FUNC(int, ObExprIsNot, true, true, is_not)
@ -442,5 +714,5 @@ NUMERIC_CALC_FUNC(int, ObExprIs, false, false, is)
NUMERIC_CALC_FUNC(float, ObExprIs, false, false, is)
NUMERIC_CALC_FUNC(double, ObExprIs, false, false, is)
NUMERIC_CALC_FUNC(number, ObExprIs, false, false, is)
} // namespace sql
} // namespace oceanbase
}
}