| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #include <cstring> |
| #include <ostream> |
| #include <string> |
| |
| #include <glog/logging.h> |
| |
| #include "kudu/client/value-internal.h" |
| #include "kudu/client/value.h" |
| #include "kudu/common/common.pb.h" |
| #include "kudu/common/schema.h" |
| #include "kudu/common/types.h" |
| #include "kudu/gutil/mathlimits.h" |
| #include "kudu/gutil/strings/substitute.h" |
| #include "kudu/util/decimal_util.h" |
| #include "kudu/util/int128.h" |
| #include "kudu/util/status.h" |
| |
| using std::string; |
| using strings::Substitute; |
| |
| namespace kudu { |
| namespace client { |
| |
| KuduValue::KuduValue(Data* d) |
| : data_(d) { |
| } |
| |
| KuduValue::~KuduValue() { |
| if (data_->type_ == Data::SLICE) { |
| delete[] data_->slice_val_.data(); |
| } |
| delete data_; |
| } |
| |
| KuduValue* KuduValue::Clone() const { |
| switch (data_->type_) { |
| case Data::INT: |
| return KuduValue::FromInt(data_->int_val_); |
| case Data::DOUBLE: |
| return KuduValue::FromDouble(data_->double_val_); |
| case Data::FLOAT: |
| return KuduValue::FromFloat(data_->float_val_); |
| case Data::SLICE: |
| return KuduValue::CopyString(data_->slice_val_); |
| case Data::DECIMAL: |
| return KuduValue::FromDecimal(data_->decimal_val_, data_->scale_); |
| } |
| LOG(FATAL); |
| } |
| |
| KuduValue* KuduValue::FromInt(int64_t v) { |
| auto d = new Data; |
| d->type_ = Data::INT; |
| d->int_val_ = v; |
| |
| return new KuduValue(d); |
| } |
| |
| KuduValue* KuduValue::FromDouble(double v) { |
| auto d = new Data; |
| d->type_ = Data::DOUBLE; |
| d->double_val_ = v; |
| |
| return new KuduValue(d); |
| } |
| |
| |
| KuduValue* KuduValue::FromFloat(float v) { |
| auto d = new Data; |
| d->type_ = Data::FLOAT; |
| d->float_val_ = v; |
| |
| return new KuduValue(d); |
| } |
| |
| KuduValue* KuduValue::FromBool(bool v) { |
| auto d = new Data; |
| d->type_ = Data::INT; |
| d->int_val_ = v ? 1 : 0; |
| |
| return new KuduValue(d); |
| } |
| |
| KuduValue* KuduValue::FromDecimal(int128_t dv, int8_t scale) { |
| auto d = new Data; |
| d->type_ = Data::DECIMAL; |
| d->decimal_val_ = dv; |
| d->scale_ = scale; |
| |
| return new KuduValue(d); |
| } |
| |
| KuduValue* KuduValue::CopyString(Slice s) { |
| auto copy = new uint8_t[s.size()]; |
| memcpy(copy, s.data(), s.size()); |
| |
| auto d = new Data; |
| d->type_ = Data::SLICE; |
| d->slice_val_ = Slice(copy, s.size()); |
| |
| return new KuduValue(d); |
| } |
| |
| Status KuduValue::Data::CheckTypeAndGetPointer(const string& col_name, |
| DataType t, |
| ColumnTypeAttributes type_attributes, |
| void** val_void) { |
| const TypeInfo* ti = GetTypeInfo(t); |
| switch (t) { |
| case kudu::INT8: |
| case kudu::INT16: |
| case kudu::INT32: |
| case kudu::INT64: |
| case kudu::DATE: |
| case kudu::UNIXTIME_MICROS: |
| RETURN_NOT_OK(CheckAndPointToInt(col_name, ti->size(), val_void)); |
| break; |
| |
| case kudu::BOOL: |
| RETURN_NOT_OK(CheckAndPointToBool(col_name, val_void)); |
| break; |
| |
| case kudu::FLOAT: |
| RETURN_NOT_OK(CheckValType(col_name, KuduValue::Data::FLOAT, "float")); |
| *val_void = &float_val_; |
| break; |
| |
| case kudu::DOUBLE: |
| RETURN_NOT_OK(CheckValType(col_name, KuduValue::Data::DOUBLE, "double")); |
| *val_void = &double_val_; |
| break; |
| |
| case kudu::DECIMAL32: |
| case kudu::DECIMAL64: |
| case kudu::DECIMAL128: |
| RETURN_NOT_OK(CheckAndPointToDecimal(col_name, t, type_attributes, val_void)); |
| break; |
| |
| case kudu::BINARY: |
| case kudu::STRING: |
| case kudu::VARCHAR: |
| RETURN_NOT_OK(CheckAndPointToString(col_name, val_void)); |
| break; |
| |
| default: |
| return Status::InvalidArgument(Substitute("cannot determine value for column $0 (type $1)", |
| col_name, ti->name())); |
| } |
| return Status::OK(); |
| } |
| |
| Status KuduValue::Data::CheckValType(const string& col_name, |
| KuduValue::Data::Type type, |
| const char* type_str) const { |
| if (type_ != type) { |
| return Status::InvalidArgument( |
| Substitute("non-$0 value for $0 column $1", type_str, col_name)); |
| } |
| return Status::OK(); |
| } |
| |
| Status KuduValue::Data::CheckAndPointToBool(const string& col_name, |
| void** val_void) { |
| RETURN_NOT_OK(CheckValType(col_name, KuduValue::Data::INT, "bool")); |
| int64_t int_val = int_val_; |
| if (int_val != 0 && int_val != 1) { |
| return Status::InvalidArgument( |
| Substitute("value $0 out of range for boolean column '$1'", |
| int_val, col_name)); |
| } |
| *val_void = &int_val_; |
| return Status::OK(); |
| } |
| |
| Status KuduValue::Data::CheckAndPointToInt(const string& col_name, |
| size_t int_size, |
| void** val_void) { |
| RETURN_NOT_OK(CheckValType(col_name, KuduValue::Data::INT, "int")); |
| |
| int64_t int_min, int_max; |
| if (int_size == 8) { |
| int_min = MathLimits<int64_t>::kMin; |
| int_max = MathLimits<int64_t>::kMax; |
| } else { |
| size_t int_bits = int_size * 8 - 1; |
| int_max = (1LL << int_bits) - 1; |
| int_min = -int_max - 1; |
| } |
| |
| int64_t int_val = int_val_; |
| if (int_val < int_min || int_val > int_max) { |
| return Status::InvalidArgument( |
| Substitute("value $0 out of range for $1-bit signed integer column '$2'", |
| int_val, int_size * 8, col_name)); |
| } |
| |
| *val_void = &int_val_; |
| return Status::OK(); |
| } |
| |
| Status KuduValue::Data::CheckAndPointToDecimal(const string& col_name, |
| DataType type, |
| ColumnTypeAttributes type_attributes, |
| void** val_void) { |
| RETURN_NOT_OK(CheckValType(col_name, KuduValue::Data::DECIMAL, "decimal")); |
| // TODO: Coerce when possible |
| if (scale_ != type_attributes.scale) { |
| return Status::InvalidArgument( |
| Substitute("value scale $0 does not match the decimal column '$1' (expected $2)", |
| scale_, col_name, type_attributes.scale)); |
| } |
| int128_t max_val = MaxUnscaledDecimal(type_attributes.precision); |
| int128_t min_val = -max_val; |
| if (decimal_val_ < min_val || decimal_val_ > max_val) { |
| return Status::InvalidArgument( |
| Substitute("value $0 out of range for decimal column '$1'", |
| decimal_val_, col_name)); |
| } |
| *val_void = &decimal_val_; |
| return Status::OK(); |
| } |
| |
| Status KuduValue::Data::CheckAndPointToString(const string& col_name, |
| void** val_void) { |
| RETURN_NOT_OK(CheckValType(col_name, KuduValue::Data::SLICE, "string")); |
| *val_void = &slice_val_; |
| return Status::OK(); |
| } |
| |
| const Slice KuduValue::Data::GetSlice() { |
| switch (type_) { |
| case INT: { |
| return Slice(reinterpret_cast<uint8_t*>(&int_val_), |
| sizeof(int64_t)); |
| } |
| case FLOAT: |
| return Slice(reinterpret_cast<uint8_t*>(&float_val_), |
| sizeof(float)); |
| case DOUBLE: |
| return Slice(reinterpret_cast<uint8_t*>(&double_val_), |
| sizeof(double)); |
| case DECIMAL: |
| return Slice(reinterpret_cast<uint8_t*>(&decimal_val_), |
| sizeof(int128_t)); |
| case SLICE: |
| return slice_val_; |
| } |
| LOG(FATAL) << "unreachable!"; |
| } |
| |
| } // namespace client |
| } // namespace kudu |