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Merge pull request #37742 from ucasfl/hashid

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Vladimir C 2022-06-02 12:47:11 +02:00 committed by GitHub
commit 670c721ded
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3 changed files with 14 additions and 11 deletions
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20
src/Functions/FunctionHashID.h
View File

@ -51,9 +51,11 @@ public:
bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return false; }
bool useDefaultImplementationForConstants() const override { return true; }
DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
{
if (arguments.size() < 1)
if (arguments.empty())
throw Exception(ErrorCodes::TOO_FEW_ARGUMENTS_FOR_FUNCTION, "Function {} expects at least one argument", getName());
const auto & id_col = arguments[0];
@ -114,18 +116,16 @@ public:
const auto & numcolumn = arguments[0].column;
if (checkAndGetColumn<ColumnUInt8>(numcolumn.get()) || checkAndGetColumn<ColumnUInt16>(numcolumn.get())
|| checkAndGetColumn<ColumnUInt32>(numcolumn.get()) || checkAndGetColumn<ColumnUInt64>(numcolumn.get())
|| checkAndGetColumnConst<ColumnUInt8>(numcolumn.get()) || checkAndGetColumnConst<ColumnUInt16>(numcolumn.get())
|| checkAndGetColumnConst<ColumnUInt32>(numcolumn.get()) || checkAndGetColumnConst<ColumnUInt64>(numcolumn.get()))
|| checkAndGetColumn<ColumnUInt32>(numcolumn.get()) || checkAndGetColumn<ColumnUInt64>(numcolumn.get()))
{
std::string salt;
UInt8 minLength = 0;
UInt8 min_length = 0;
std::string alphabet;
if (arguments.size() >= 4)
{
const auto & alphabetcolumn = arguments[3].column;
if (auto alpha_col = checkAndGetColumnConst<ColumnString>(alphabetcolumn.get()))
if (const auto * alpha_col = checkAndGetColumnConst<ColumnString>(alphabetcolumn.get()))
{
alphabet = alpha_col->getValue<String>();
if (alphabet.find('\0') != std::string::npos)
@ -138,18 +138,18 @@ public:
if (arguments.size() >= 3)
{
const auto & minlengthcolumn = arguments[2].column;
if (auto min_length_col = checkAndGetColumnConst<ColumnUInt8>(minlengthcolumn.get()))
minLength = min_length_col->getValue<UInt8>();
if (const auto * min_length_col = checkAndGetColumnConst<ColumnUInt8>(minlengthcolumn.get()))
min_length = min_length_col->getValue<UInt8>();
}
if (arguments.size() >= 2)
{
const auto & saltcolumn = arguments[1].column;
if (auto salt_col = checkAndGetColumnConst<ColumnString>(saltcolumn.get()))
if (const auto * salt_col = checkAndGetColumnConst<ColumnString>(saltcolumn.get()))
salt = salt_col->getValue<String>();
}
hashidsxx::Hashids hash(salt, minLength, alphabet);
hashidsxx::Hashids hash(salt, min_length, alphabet);
auto col_res = ColumnString::create();

3
tests/queries/0_stateless/02293_hashid.reference
View File

@ -8,4 +8,5 @@
2 obmgndljgajpkeao
3 dldokmpjpgjgeanb
4 nkdlpgajngjnobme
YQrvD5XGvbx
xkOpDGxQpVB
jR

2
tests/queries/0_stateless/02293_hashid.sql
View File

@ -3,3 +3,5 @@ SET allow_experimental_hash_functions = 1;
select number, hashid(number) from system.numbers limit 5;
select number, hashid(number, 's3cr3t', 16, 'abcdefghijklmnop') from system.numbers limit 5;
select hashid(1234567890123456, 's3cr3t');
SELECT hashid(1, hashid(2));