mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-03 04:52:10 +00:00
25 lines
1.2 KiB
C++
25 lines
1.2 KiB
C++
#include <Functions/FunctionBase64Conversion.h>
|
|
|
|
#if USE_BASE64
|
|
#include <Functions/FunctionFactory.h>
|
|
|
|
namespace DB
|
|
{
|
|
REGISTER_FUNCTION(Base64Decode)
|
|
{
|
|
FunctionDocumentation::Description description = R"(Accepts a String and decodes it from base64, according to RFC 4648 (https://datatracker.ietf.org/doc/html/rfc4648#section-4). Throws an exception in case of an error. Alias: FROM_BASE64.)";
|
|
FunctionDocumentation::Syntax syntax = "base64Decode(encoded)";
|
|
FunctionDocumentation::Arguments arguments = {{"encoded", "String column or constant. If the string is not a valid Base64-encoded value, an exception is thrown."}};
|
|
FunctionDocumentation::ReturnedValue returned_value = "A string containing the decoded value of the argument.";
|
|
FunctionDocumentation::Examples examples = {{"Example", "SELECT base64Decode('Y2xpY2tob3VzZQ==')", "clickhouse"}};
|
|
FunctionDocumentation::Categories categories = {"String encoding"};
|
|
|
|
factory.registerFunction<FunctionBase64Conversion<Base64Decode<Base64Variant::Normal>>>({description, syntax, arguments, returned_value, examples, categories});
|
|
|
|
/// MySQL compatibility alias.
|
|
factory.registerAlias("FROM_BASE64", "base64Decode", FunctionFactory::CaseInsensitive);
|
|
}
|
|
}
|
|
|
|
#endif
|