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#include <Functions/FunctionFactory.h>
#include <Functions/FunctionsStringArray.h>
namespace DB
{
namespace ErrorCodes
{
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
}
DataTypePtr FunctionArrayStringConcat::getReturnTypeImpl(const DataTypes & arguments) const
{
if (arguments.size() != 1 && arguments.size() != 2)
throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
"Number of arguments for function {} doesn't match: passed {}, should be 1 or 2.",
getName(), arguments.size());
const DataTypeArray * array_type = checkAndGetDataType<DataTypeArray>(arguments[0].get());
if (!array_type)
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "First argument for function {} must be an array.", getName());
if (arguments.size() == 2 && !isString(arguments[1]))
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Second argument for function {} must be constant string.", getName());
return std::make_shared<DataTypeString>();
}
REGISTER_FUNCTION(StringArray)
{
factory.registerFunction<FunctionExtractAll>();
factory.registerFunction<FunctionSplitByAlpha>();
factory.registerAlias("splitByAlpha", FunctionSplitByAlpha::name);
factory.registerFunction<FunctionSplitByNonAlpha>();
factory.registerFunction<FunctionSplitByWhitespace>();
factory.registerFunction<FunctionSplitByChar>();
factory.registerFunction<FunctionSplitByString>();
factory.registerFunction<FunctionSplitByRegexp>();
factory.registerFunction<FunctionArrayStringConcat>();
}
}
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