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https://github.com/ClickHouse/ClickHouse.git
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fix
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parent
675509ed23
commit
c4ff7eec01
@ -1,14 +1,15 @@
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#include <Columns/ColumnString.h>
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#include <Functions/IFunctionImpl.h>
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#include <DataTypes/DataTypeString.h>
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#include <Functions/FunctionFactory.h>
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#include <Functions/FunctionFactory.h>
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#include <Functions/FunctionHelpers.h>
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#include <Functions/FunctionHelpers.h>
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#include <Functions/IFunctionImpl.h>
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#include <Columns/ColumnString.h>
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#include <DataTypes/DataTypeString.h>
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#include <pcg_random.hpp>
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#include <pcg_random.hpp>
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#include <Common/randomSeed.h>
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#include <Common/randomSeed.h>
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namespace DB
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namespace DB
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{
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{
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namespace ErrorCodes
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namespace ErrorCodes
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{
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{
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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@ -26,7 +27,10 @@ public:
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static constexpr auto name = "randomPrintableASCII";
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static constexpr auto name = "randomPrintableASCII";
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static FunctionPtr create(const Context &) { return std::make_shared<FunctionRandomPrintableASCII>(); }
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static FunctionPtr create(const Context &) { return std::make_shared<FunctionRandomPrintableASCII>(); }
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String getName() const override { return name; }
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String getName() const override
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{
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return name;
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}
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bool isVariadic() const override { return true; }
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bool isVariadic() const override { return true; }
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size_t getNumberOfArguments() const override { return 0; }
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size_t getNumberOfArguments() const override { return 0; }
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@ -34,13 +38,11 @@ public:
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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{
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if (arguments.empty())
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if (arguments.empty())
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throw Exception(
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throw Exception("Function " + getName() + " requires at least one argument: the size of resulting string",
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"Function " + getName() + " requires at least one argument: the size of resulting string",
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ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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if (arguments.size() > 2)
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if (arguments.size() > 2)
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throw Exception(
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throw Exception("Function " + getName() + " requires at most two arguments: the size of resulting string and optional disambiguation tag",
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"Function " + getName() + " requires at most two arguments: the size of resulting string and optional disambiguation tag",
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ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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const IDataType & length_type = *arguments[0];
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const IDataType & length_type = *arguments[0];
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@ -75,9 +77,8 @@ public:
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data_to.resize(next_offset);
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data_to.resize(next_offset);
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offsets_to[row_num] = next_offset;
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offsets_to[row_num] = next_offset;
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auto * data_to_ptr = data_to.data(); /// avoid assert on array indexing after end
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auto * data_to_ptr = data_to.data(); /// avoid assert on array indexing after end
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for (size_t pos = offset, end = offset + length; pos < end;
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for (size_t pos = offset, end = offset + length; pos < end; pos += 4) /// We have padding in column buffers that we can overwrite.
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pos += 4) /// We have padding in column buffers that we can overwrite.
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{
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{
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UInt64 rand = rng();
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UInt64 rand = rng();
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