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Support for big integers and decimals in GenerateRandom

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This commit is contained in:
Alexey Milovidov 2021-05-04 20:41:46 +03:00
parent 089027920f
commit db3baabae7
1 changed files with 39 additions and 6 deletions
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45
src/Storages/StorageGenerateRandom.cpp
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@ -213,10 +213,7 @@ ColumnPtr fillColumnWithRandomData(
{
auto column = ColumnUInt16::create();
column->getData().resize(limit);
for (size_t i = 0; i < limit; ++i)
column->getData()[i] = rng() % (DATE_LUT_MAX_DAY_NUM + 1);
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(UInt16), rng);
return column;
}
case TypeIndex::UInt32: [[fallthrough]];
@ -234,14 +231,28 @@ ColumnPtr fillColumnWithRandomData(
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(UInt64), rng);
return column;
}
case TypeIndex::UInt128: [[fallthrough]];
case TypeIndex::UUID:
case TypeIndex::UInt128:
{
auto column = ColumnUInt128::create();
column->getData().resize(limit);
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(UInt128), rng);
return column;
}
case TypeIndex::UInt256:
{
auto column = ColumnUInt256::create();
column->getData().resize(limit);
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(UInt256), rng);
return column;
}
case TypeIndex::UUID:
{
auto column = ColumnUUID::create();
column->getData().resize(limit);
/// NOTE This is slightly incorrect as random UUIDs should have fixed version 4.
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(UUID), rng);
return column;
}
case TypeIndex::Int8:
{
auto column = ColumnInt8::create();
@ -270,6 +281,20 @@ ColumnPtr fillColumnWithRandomData(
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(Int64), rng);
return column;
}
case TypeIndex::Int128:
{
auto column = ColumnInt128::create();
column->getData().resize(limit);
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(Int128), rng);
return column;
}
case TypeIndex::Int256:
{
auto column = ColumnInt256::create();
column->getData().resize(limit);
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(Int256), rng);
return column;
}
case TypeIndex::Float32:
{
auto column = ColumnFloat32::create();
@ -308,6 +333,14 @@ ColumnPtr fillColumnWithRandomData(
fillBufferWithRandomData(reinterpret_cast<char *>(column_concrete.getData().data()), limit * sizeof(Decimal128), rng);
return column;
}
case TypeIndex::Decimal256:
{
auto column = type->createColumn();
auto & column_concrete = typeid_cast<ColumnDecimal<Decimal256> &>(*column);
column_concrete.getData().resize(limit);
fillBufferWithRandomData(reinterpret_cast<char *>(column_concrete.getData().data()), limit * sizeof(Decimal256), rng);
return column;
}
case TypeIndex::FixedString:
{
size_t n = typeid_cast<const DataTypeFixedString &>(*type).getN();