mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-10 09:32:06 +00:00
fix bugs and add uts
This commit is contained in:
taiyang-li
parent
0de5fcfbee
commit
ae7a586aea
@ -25,287 +25,287 @@ namespace ErrorCodes
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namespace
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{
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template <bool is_utf8>
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class FunctionSubstringIndex : public IFunction
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{
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public:
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static constexpr auto name = is_utf8 ? "substringIndexUTF8" : "substringIndex";
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static FunctionPtr create(ContextPtr)
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template <bool is_utf8>
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class FunctionSubstringIndex : public IFunction
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{
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return std::make_shared<FunctionSubstringIndex>();
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}
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public:
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static constexpr auto name = is_utf8 ? "substringIndexUTF8" : "substringIndex";
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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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size_t getNumberOfArguments() const override { return 3; }
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static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionSubstringIndex>(); }
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bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return true; }
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String getName() const override { return name; }
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bool useDefaultImplementationForConstants() const override { return true; }
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size_t getNumberOfArguments() const override { return 3; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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if (!isString(arguments[0]))
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throw Exception(
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Illegal type {} of first argument of function {}",
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arguments[0]->getName(),
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getName());
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bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return true; }
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if (!isString(arguments[1]))
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throw Exception(
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Illegal type {} of second argument of function {}",
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arguments[1]->getName(),
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getName());
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bool useDefaultImplementationForConstants() const override { return true; }
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ColumnNumbers getArgumentsThatAreAlwaysConstant() const override { return {1}; }
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if (!isNativeNumber(arguments[2]))
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal type {} of third argument of function {}",
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arguments[2]->getName(), getName());
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return std::make_shared<DataTypeString>();
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}
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ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t /*input_rows_count*/) const override
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{
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ColumnPtr column_string = arguments[0].column;
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ColumnPtr column_delim = arguments[1].column;
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ColumnPtr column_index = arguments[2].column;
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const ColumnConst * column_delim_const = checkAndGetColumnConst<ColumnString>(column_delim.get());
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if (!column_delim_const)
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throw Exception(ErrorCodes::ILLEGAL_COLUMN , "Second argument to {} must be a constant String", getName());
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String delim = column_delim_const->getValue<String>();
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if constexpr (!is_utf8)
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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if (delim.size() != 1)
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throw Exception(ErrorCodes::BAD_ARGUMENTS, "Second argument to {} must be a single character", getName());
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}
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else
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{
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if (UTF8::countCodePoints(reinterpret_cast<const UInt8 *>(delim.data()), delim.size()) != 1)
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throw Exception(ErrorCodes::BAD_ARGUMENTS, "Second argument to {} must be a single UTF-8 character", getName());
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if (!isString(arguments[0]))
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throw Exception(
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Illegal type {} of first argument of function {}",
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arguments[0]->getName(),
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getName());
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if (!isString(arguments[1]))
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throw Exception(
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Illegal type {} of second argument of function {}",
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arguments[1]->getName(),
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getName());
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if (!isNativeNumber(arguments[2]))
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throw Exception(
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
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"Illegal type {} of third argument of function {}",
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arguments[2]->getName(),
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getName());
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return std::make_shared<DataTypeString>();
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}
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auto column_res = ColumnString::create();
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ColumnString::Chars & vec_res = column_res->getChars();
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ColumnString::Offsets & offsets_res = column_res->getOffsets();
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const ColumnConst * column_string_const = checkAndGetColumnConst<ColumnString>(column_string.get());
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if (column_string_const)
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ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t /*input_rows_count*/) const override
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{
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String str = column_string_const->getValue<String>();
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constantVector(str, delim, column_index.get(), vec_res, offsets_res);
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}
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else
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{
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const auto * col_str = checkAndGetColumn<ColumnString>(column_string.get());
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if (!col_str)
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "First argument to {} must be a String", getName());
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ColumnPtr column_string = arguments[0].column;
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ColumnPtr column_delim = arguments[1].column;
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ColumnPtr column_index = arguments[2].column;
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bool is_index_const = isColumnConst(*column_index);
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if (is_index_const)
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const ColumnConst * column_delim_const = checkAndGetColumnConst<ColumnString>(column_delim.get());
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if (!column_delim_const)
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "Second argument to {} must be a constant String", getName());
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String delim = column_delim_const->getValue<String>();
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if constexpr (!is_utf8)
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{
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Int64 index = column_index->getInt(0);
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vectorConstant(col_str->getChars(), col_str->getOffsets(), delim, index, vec_res, offsets_res);
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if (delim.size() != 1)
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throw Exception(ErrorCodes::BAD_ARGUMENTS, "Second argument to {} must be a single character", getName());
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}
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else
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vectorVector(col_str->getChars(), col_str->getOffsets(), delim, column_index.get(), vec_res, offsets_res);
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}
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}
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protected:
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static void vectorVector(
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const ColumnString::Chars & str_data,
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const ColumnString::Offsets & str_offsets,
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const String & delim,
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const IColumn * index_column,
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ColumnString::Chars & res_data,
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ColumnString::Offsets & res_offsets)
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{
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size_t rows = str_offsets.size();
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res_data.reserve(str_data.size() / 2);
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res_offsets.reserve(rows);
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std::unique_ptr<PositionCaseSensitiveUTF8::SearcherInBigHaystack> searcher
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= !is_utf8 ? nullptr : std::make_unique<PositionCaseSensitiveUTF8::SearcherInBigHaystack>(delim);
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for (size_t i = 0; i < rows; ++i)
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{
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StringRef str_ref{&str_data[str_offsets[i]], str_offsets[i] - str_offsets[i - 1] - 1};
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Int64 index = index_column->getInt(i);
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StringRef res_ref
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= !is_utf8 ? substringIndex<delim[0]>(str_ref, index) : substringIndexUTF8(searcher.get(), str_ref, delim, index);
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appendToResultColumn(res_ref, res_data, res_offsets);
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}
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}
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static void vectorConstant(
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const ColumnString::Chars & str_data,
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const ColumnString::Offsets & str_offsets,
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const String & delim,
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Int64 index,
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ColumnString::Chars & res_data,
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ColumnString::Offsets & res_offsets)
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{
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size_t rows = str_offsets.size();
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res_data.reserve(str_data.size() / 2);
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res_offsets.reserve(rows);
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std::unique_ptr<PositionCaseSensitiveUTF8::SearcherInBigHaystack> searcher
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= !is_utf8 ? nullptr : std::make_unique<PositionCaseSensitiveUTF8::SearcherInBigHaystack>(delim);
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for (size_t i = 0; i<rows; ++i)
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{
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StringRef str_ref{&str_data[str_offsets[i]], str_offsets[i] - str_offsets[i - 1] - 1};
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StringRef res_ref
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= !is_utf8 ? substringIndex<delim[0]>(str_ref, index) : substringIndexUTF8(searcher.get(), str_ref, delim, index);
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appendToResultColumn(res_ref, res_data, res_offsets);
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}
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}
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static void constantVector(
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const String & str,
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const String & delim,
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const IColumn * index_column,
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ColumnString::Chars & res_data,
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ColumnString::Offsets & res_offsets)
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{
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size_t rows = index_column->size();
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res_data.reserve(str.size() * rows / 2);
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res_offsets.reserve(rows);
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std::unique_ptr<PositionCaseSensitiveUTF8::SearcherInBigHaystack> searcher
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= !is_utf8 ? nullptr : std::make_unique<PositionCaseSensitiveUTF8::SearcherInBigHaystack>(delim);
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StringRef str_ref{str.data(), str.size()};
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for (size_t i=0; i<rows; ++i)
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{
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Int64 index = index_column->getInt(i);
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StringRef res_ref
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= !is_utf8 ? substringIndex<delim[0]>(str_ref, index) : substringIndexUTF8(searcher.get(), str_ref, delim, index);
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appendToResultColumn(res_ref, res_data, res_offsets);
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}
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}
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static void appendToResultColumn(
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const StringRef & res_ref, ColumnString::Chars & res_data, ColumnString::Offsets & res_offsets)
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{
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size_t res_offset = res_data.size();
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res_data.resize(res_offset + res_ref.size + 1);
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memcpySmallAllowReadWriteOverflow15(&res_data[res_offset], res_ref.data, res_ref.size);
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res_offset += res_ref.size;
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res_data[res_offset] = 0;
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++res_offset;
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res_offsets.emplace_back(res_offset);
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}
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static StringRef substringIndexUTF8(
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const PositionCaseSensitiveUTF8::SearcherInBigHaystack * searcher, const StringRef & str_ref, const String & delim, Int64 index)
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{
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if (index == 0)
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return {str_ref.data, 0};
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const auto * begin = reinterpret_cast<const UInt8 *>(str_ref.data);
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const auto * end = reinterpret_cast<const UInt8 *>(str_ref.data + str_ref.size);
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const auto * pos = begin;
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if (index > 0)
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{
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Int64 i = 0;
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while (i < index)
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{
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pos = searcher->search(pos, end - pos);
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if (UTF8::countCodePoints(reinterpret_cast<const UInt8 *>(delim.data()), delim.size()) != 1)
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throw Exception(ErrorCodes::BAD_ARGUMENTS, "Second argument to {} must be a single UTF-8 character", getName());
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}
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if (pos != end)
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auto column_res = ColumnString::create();
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ColumnString::Chars & vec_res = column_res->getChars();
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ColumnString::Offsets & offsets_res = column_res->getOffsets();
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const ColumnConst * column_string_const = checkAndGetColumnConst<ColumnString>(column_string.get());
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if (column_string_const)
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{
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String str = column_string_const->getValue<String>();
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constantVector(str, delim, column_index.get(), vec_res, offsets_res);
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}
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else
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{
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const auto * col_str = checkAndGetColumn<ColumnString>(column_string.get());
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if (!col_str)
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "First argument to {} must be a String", getName());
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bool is_index_const = isColumnConst(*column_index);
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if (is_index_const)
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{
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Int64 index = column_index->getInt(0);
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vectorConstant(col_str, delim, index, vec_res, offsets_res);
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}
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else
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vectorVector(col_str, delim, column_index.get(), vec_res, offsets_res);
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}
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return column_res;
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}
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protected:
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static void vectorVector(
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const ColumnString * str_column,
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const String & delim,
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const IColumn * index_column,
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ColumnString::Chars & res_data,
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ColumnString::Offsets & res_offsets)
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{
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size_t rows = str_column->size();
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res_data.reserve(str_column->getChars().size() / 2);
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res_offsets.reserve(rows);
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std::unique_ptr<PositionCaseSensitiveUTF8::SearcherInBigHaystack> searcher
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= !is_utf8 ? nullptr : std::make_unique<PositionCaseSensitiveUTF8::SearcherInBigHaystack>(delim.data(), delim.size());
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for (size_t i = 0; i < rows; ++i)
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{
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StringRef str_ref = str_column->getDataAt(i);
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Int64 index = index_column->getInt(i);
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StringRef res_ref
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= !is_utf8 ? substringIndex(str_ref, delim[0], index) : substringIndexUTF8(searcher.get(), str_ref, delim, index);
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appendToResultColumn(res_ref, res_data, res_offsets);
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}
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}
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static void vectorConstant(
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const ColumnString * str_column,
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const String & delim,
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Int64 index,
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ColumnString::Chars & res_data,
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ColumnString::Offsets & res_offsets)
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{
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size_t rows = str_column->size();
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res_data.reserve(str_column->getChars().size() / 2);
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res_offsets.reserve(rows);
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std::unique_ptr<PositionCaseSensitiveUTF8::SearcherInBigHaystack> searcher
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= !is_utf8 ? nullptr : std::make_unique<PositionCaseSensitiveUTF8::SearcherInBigHaystack>(delim.data(), delim.size());
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for (size_t i = 0; i < rows; ++i)
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{
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StringRef str_ref = str_column->getDataAt(i);
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StringRef res_ref
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= !is_utf8 ? substringIndex(str_ref, delim[0], index) : substringIndexUTF8(searcher.get(), str_ref, delim, index);
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std::cout << "result:" << res_ref.toString() << std::endl;
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appendToResultColumn(res_ref, res_data, res_offsets);
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}
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}
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static void constantVector(
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const String & str,
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const String & delim,
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const IColumn * index_column,
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ColumnString::Chars & res_data,
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ColumnString::Offsets & res_offsets)
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{
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size_t rows = index_column->size();
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res_data.reserve(str.size() * rows / 2);
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res_offsets.reserve(rows);
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std::unique_ptr<PositionCaseSensitiveUTF8::SearcherInBigHaystack> searcher
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= !is_utf8 ? nullptr : std::make_unique<PositionCaseSensitiveUTF8::SearcherInBigHaystack>(delim.data(), delim.size());
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StringRef str_ref{str.data(), str.size()};
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for (size_t i = 0; i < rows; ++i)
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{
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Int64 index = index_column->getInt(i);
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StringRef res_ref
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= !is_utf8 ? substringIndex(str_ref, delim[0], index) : substringIndexUTF8(searcher.get(), str_ref, delim, index);
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appendToResultColumn(res_ref, res_data, res_offsets);
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}
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}
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static void appendToResultColumn(const StringRef & res_ref, ColumnString::Chars & res_data, ColumnString::Offsets & res_offsets)
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{
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size_t res_offset = res_data.size();
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res_data.resize(res_offset + res_ref.size + 1);
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memcpySmallAllowReadWriteOverflow15(&res_data[res_offset], res_ref.data, res_ref.size);
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res_offset += res_ref.size;
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res_data[res_offset] = 0;
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++res_offset;
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res_offsets.emplace_back(res_offset);
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}
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static StringRef substringIndexUTF8(
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const PositionCaseSensitiveUTF8::SearcherInBigHaystack * searcher, const StringRef & str_ref, const String & delim, Int64 index)
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{
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std::cout << "str:" << str_ref.toString() << ", delim" << delim << ",index:" << index << std::endl;
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if (index == 0)
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return {str_ref.data, 0};
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const auto * begin = reinterpret_cast<const UInt8 *>(str_ref.data);
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const auto * end = reinterpret_cast<const UInt8 *>(str_ref.data + str_ref.size);
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const auto * pos = begin;
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if (index > 0)
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{
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Int64 i = 0;
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while (i < index)
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{
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pos = searcher->search(pos, end - pos);
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if (pos != end)
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{
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pos += delim.size();
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++i;
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}
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else
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return str_ref;
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}
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return {begin, static_cast<size_t>(pos - begin - delim.size())};
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}
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else
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{
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Int64 total = 0;
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while (pos < end && end != (pos = searcher->search(pos, end - pos)))
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{
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pos += delim.size();
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++total;
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}
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if (total + index < 0)
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return str_ref;
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Int64 index_from_left = total + 1 + index;
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std::cout << "total:" << total << ", index_from_left" << index_from_left << std::endl;
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pos = begin;
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Int64 i = 0;
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while (i < index_from_left && pos < end && end != (pos = searcher->search(pos, end - pos)))
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{
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pos += delim.size();
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++i;
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std::cout << "pos offset:" << pos - begin << ", total size:" << end - begin << std::endl;
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}
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else
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return str_ref;
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std::cout << "pos offset:" << pos - begin << ", size:" << end - pos << std::endl;
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StringRef res = {pos, static_cast<size_t>(end - pos)};
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std::cout << "result:" << res.toString() << std::endl;
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return res;
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}
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return {begin, static_cast<size_t>(pos - begin - delim.size())};
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}
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else
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static StringRef substringIndex(const StringRef & str_ref, char delim, Int64 index)
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{
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Int64 total = 0;
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while (pos < end && end != (pos = searcher->search(pos, end - pos)))
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std::cout << "str:" << str_ref.toString() << ", delim" << delim << ",index:" << index << std::endl;
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if (index == 0)
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return {str_ref.data, 0};
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|
||||
if (index > 0)
|
||||
{
|
||||
pos += delim.size();
|
||||
++total;
|
||||
}
|
||||
|
||||
if (total + index < 0)
|
||||
return str_ref;
|
||||
|
||||
Int64 index_from_left = total + 1 + index;
|
||||
pos = begin;
|
||||
Int64 i = 0;
|
||||
while (pos < end && end != (pos = searcher->search(pos, end - pos)) && i < index_from_left)
|
||||
{
|
||||
pos += delim.size();
|
||||
++i;
|
||||
}
|
||||
return {pos, static_cast<size_t>(end - pos)};
|
||||
}
|
||||
}
|
||||
|
||||
template <char delim>
|
||||
static StringRef substringIndex(
|
||||
const StringRef & str_ref,
|
||||
Int64 index)
|
||||
{
|
||||
if (index == 0)
|
||||
return {str_ref.data, 0};
|
||||
|
||||
if (index > 0)
|
||||
{
|
||||
const auto * end = str_ref.data + str_ref.size;
|
||||
const auto * pos = str_ref.data;
|
||||
Int64 i = 0;
|
||||
while (i < index)
|
||||
{
|
||||
pos = find_first_symbols<delim>(pos, end);
|
||||
|
||||
if (pos != end)
|
||||
const auto * end = str_ref.data + str_ref.size;
|
||||
const auto * pos = str_ref.data;
|
||||
Int64 i = 0;
|
||||
while (i < index)
|
||||
{
|
||||
++pos;
|
||||
++i;
|
||||
pos = std::find(pos, end, delim);
|
||||
if (pos != end)
|
||||
{
|
||||
++pos;
|
||||
++i;
|
||||
}
|
||||
else
|
||||
return str_ref;
|
||||
}
|
||||
else
|
||||
return str_ref;
|
||||
return {str_ref.data, static_cast<size_t>(pos - str_ref.data - 1)};
|
||||
}
|
||||
return {str_ref.data, static_cast<size_t>(pos - str_ref.data - 1)};
|
||||
}
|
||||
else
|
||||
{
|
||||
const auto * begin = str_ref.data;
|
||||
const auto * pos = str_ref.data + str_ref.size;
|
||||
Int64 i = 0;
|
||||
while (i < index)
|
||||
else
|
||||
{
|
||||
const auto * next_pos = ::detail::find_last_symbols_sse2<true, ::detail::ReturnMode::End, delim>(begin, pos);
|
||||
|
||||
if (next_pos != pos)
|
||||
const auto * begin = str_ref.data;
|
||||
const auto * pos = str_ref.data + str_ref.size;
|
||||
Int64 i = 0;
|
||||
while (i + index < 0)
|
||||
{
|
||||
pos = next_pos;
|
||||
++i;
|
||||
}
|
||||
else
|
||||
return str_ref;
|
||||
}
|
||||
--pos;
|
||||
while (pos >= begin && *pos != delim)
|
||||
--pos;
|
||||
|
||||
return {pos + 1, static_cast<size_t>(str_ref.data + str_ref.size - pos - 1)};
|
||||
if (pos >= begin)
|
||||
++i;
|
||||
else
|
||||
return str_ref;
|
||||
}
|
||||
return {pos + 1, static_cast<size_t>(str_ref.data + str_ref.size - pos - 1)};
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
};
|
||||
}
|
||||
|
||||
|
||||
@ -319,4 +319,3 @@ REGISTER_FUNCTION(SubstringIndex)
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
155
tests/queries/0_stateless/02798_substring_index.reference
Normal file
155
tests/queries/0_stateless/02798_substring_index.reference
Normal file
@ -0,0 +1,155 @@
|
||||
-- { echoOn }
|
||||
select substringIndex('www.clickhouse.com', '.', -4);
|
||||
www.clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', -3);
|
||||
www.clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', -2);
|
||||
clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', -1);
|
||||
com
|
||||
select substringIndex('www.clickhouse.com', '.', 0);
|
||||
|
||||
select substringIndex('www.clickhouse.com', '.', 1);
|
||||
www
|
||||
select substringIndex('www.clickhouse.com', '.', 2);
|
||||
www.clickhouse
|
||||
select substringIndex('www.clickhouse.com', '.', 3);
|
||||
www.clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', 4);
|
||||
www.clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', -4);
|
||||
www.clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', -3);
|
||||
www.clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', -2);
|
||||
clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', -1);
|
||||
com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 0);
|
||||
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 1);
|
||||
www
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 2);
|
||||
www.clickhouse
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 3);
|
||||
www.clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 4);
|
||||
www.clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(-4));
|
||||
www.clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(-3));
|
||||
www.clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(-2));
|
||||
clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(-1));
|
||||
com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(0));
|
||||
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(1));
|
||||
www
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(2));
|
||||
www.clickhouse
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(3));
|
||||
www.clickhouse.com
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(4));
|
||||
www.clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(-4));
|
||||
www.clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(-3));
|
||||
www.clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(-2));
|
||||
clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(-1));
|
||||
com
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(0));
|
||||
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(1));
|
||||
www
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(2));
|
||||
www.clickhouse
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(3));
|
||||
www.clickhouse.com
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(4));
|
||||
www.clickhouse.com
|
||||
select SUBSTRING_INDEX('www.clickhouse.com', '.', 2);
|
||||
www.clickhouse
|
||||
select substringIndex('www.clickhouse.com', '..', 2); -- { serverError BAD_ARGUMENTS }
|
||||
select substringIndex('www.clickhouse.com', '', 2); -- { serverError BAD_ARGUMENTS }
|
||||
select substringIndex('www.clickhouse.com', materialize('.'), 2); -- { serverError ILLEGAL_COLUMN }
|
||||
select substringIndex('www.clickhouse.com', '.', cast(2 as Int128)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
|
||||
select substringIndexUTF8('富强，民主，文明', '，', -4);
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', -3);
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', -2);
|
||||
民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', -1);
|
||||
文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 0);
|
||||
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 1);
|
||||
富强
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 2);
|
||||
富强，民主
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 3);
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 4);
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', -4);
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', -3);
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', -2);
|
||||
民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', -1);
|
||||
文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 0);
|
||||
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 1);
|
||||
富强
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 2);
|
||||
富强，民主
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 3);
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 4);
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(-4));
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(-3));
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(-2));
|
||||
民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(-1));
|
||||
文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(0));
|
||||
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(1));
|
||||
富强
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(2));
|
||||
富强，民主
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(3));
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(4));
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(-4));
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(-3));
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(-2));
|
||||
民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(-1));
|
||||
文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(0));
|
||||
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(1));
|
||||
富强
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(2));
|
||||
富强，民主
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(3));
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(4));
|
||||
富强，民主，文明
|
||||
select substringIndexUTF8('富强，民主，文明', '，，', 2); -- { serverError BAD_ARGUMENTS }
|
||||
select substringIndexUTF8('富强，民主，文明', '', 2); -- { serverError BAD_ARGUMENTS }
|
||||
select substringIndexUTF8('富强，民主，文明', materialize('，'), 2); -- { serverError ILLEGAL_COLUMN }
|
||||
select substringIndexUTF8('富强，民主，文明', '，', cast(2 as Int128)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
|
||||
93
tests/queries/0_stateless/02798_substring_index.sql
Normal file
93
tests/queries/0_stateless/02798_substring_index.sql
Normal file
@ -0,0 +1,93 @@
|
||||
-- { echoOn }
|
||||
select substringIndex('www.clickhouse.com', '.', -4);
|
||||
select substringIndex('www.clickhouse.com', '.', -3);
|
||||
select substringIndex('www.clickhouse.com', '.', -2);
|
||||
select substringIndex('www.clickhouse.com', '.', -1);
|
||||
select substringIndex('www.clickhouse.com', '.', 0);
|
||||
select substringIndex('www.clickhouse.com', '.', 1);
|
||||
select substringIndex('www.clickhouse.com', '.', 2);
|
||||
select substringIndex('www.clickhouse.com', '.', 3);
|
||||
select substringIndex('www.clickhouse.com', '.', 4);
|
||||
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', -4);
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', -3);
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', -2);
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', -1);
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 0);
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 1);
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 2);
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 3);
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', 4);
|
||||
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(-4));
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(-3));
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(-2));
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(-1));
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(0));
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(1));
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(2));
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(3));
|
||||
select substringIndex(materialize('www.clickhouse.com'), '.', materialize(4));
|
||||
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(-4));
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(-3));
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(-2));
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(-1));
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(0));
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(1));
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(2));
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(3));
|
||||
select substringIndex('www.clickhouse.com', '.', materialize(4));
|
||||
|
||||
select SUBSTRING_INDEX('www.clickhouse.com', '.', 2);
|
||||
|
||||
select substringIndex('www.clickhouse.com', '..', 2); -- { serverError BAD_ARGUMENTS }
|
||||
select substringIndex('www.clickhouse.com', '', 2); -- { serverError BAD_ARGUMENTS }
|
||||
select substringIndex('www.clickhouse.com', materialize('.'), 2); -- { serverError ILLEGAL_COLUMN }
|
||||
select substringIndex('www.clickhouse.com', '.', cast(2 as Int128)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
|
||||
|
||||
select substringIndexUTF8('富强，民主，文明', '，', -4);
|
||||
select substringIndexUTF8('富强，民主，文明', '，', -3);
|
||||
select substringIndexUTF8('富强，民主，文明', '，', -2);
|
||||
select substringIndexUTF8('富强，民主，文明', '，', -1);
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 0);
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 1);
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 2);
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 3);
|
||||
select substringIndexUTF8('富强，民主，文明', '，', 4);
|
||||
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', -4);
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', -3);
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', -2);
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', -1);
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 0);
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 1);
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 2);
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 3);
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', 4);
|
||||
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(-4));
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(-3));
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(-2));
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(-1));
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(0));
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(1));
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(2));
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(3));
|
||||
select substringIndexUTF8('富强，民主，文明', '，', materialize(4));
|
||||
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(-4));
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(-3));
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(-2));
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(-1));
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(0));
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(1));
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(2));
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(3));
|
||||
select substringIndexUTF8(materialize('富强，民主，文明'), '，', materialize(4));
|
||||
|
||||
select substringIndexUTF8('富强，民主，文明', '，，', 2); -- { serverError BAD_ARGUMENTS }
|
||||
select substringIndexUTF8('富强，民主，文明', '', 2); -- { serverError BAD_ARGUMENTS }
|
||||
select substringIndexUTF8('富强，民主，文明', materialize('，'), 2); -- { serverError ILLEGAL_COLUMN }
|
||||
select substringIndexUTF8('富强，民主，文明', '，', cast(2 as Int128)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
|
||||
-- { echoOff }
|
||||
Loading…
Reference in New Issue
Block a user