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insertManyDefaults() overrides

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This commit is contained in:
chertus 2019-11-08 14:15:20 +03:00
parent ac1b6f71ca
commit 3a24916ec2
4 changed files with 18 additions and 0 deletions
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1
dbms/src/Columns/ColumnDecimal.h
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@ -96,6 +96,7 @@ public:
void insertFrom(const IColumn & src, size_t n) override { data.push_back(static_cast<const Self &>(src).getData()[n]); }
void insertData(const char * pos, size_t /*length*/) override;
void insertDefault() override { data.push_back(T()); }
virtual void insertManyDefaults(size_t length) override { data.resize_fill(data.size() + length); }
void insert(const Field & x) override { data.push_back(DB::get<NearestFieldType<T>>(x)); }
void insertRangeFrom(const IColumn & src, size_t start, size_t length) override;

5
dbms/src/Columns/ColumnFixedString.h
View File

@ -92,6 +92,11 @@ public:
chars.resize_fill(chars.size() + n);
}
virtual void insertManyDefaults(size_t length) override
{
chars.resize_fill(chars.size() + n * length);
}
void popBack(size_t elems) override
{
chars.resize_assume_reserved(chars.size() - n * elems);

7
dbms/src/Columns/ColumnString.h
View File

@ -205,6 +205,13 @@ public:
offsets.push_back(offsets.back() + 1);
}
virtual void insertManyDefaults(size_t length) override
{
chars.resize_fill(chars.size() + length);
for (size_t i = 0; i < length; ++i)
offsets.push_back(offsets.back() + 1);
}
int compareAt(size_t n, size_t m, const IColumn & rhs_, int /*nan_direction_hint*/) const override
{
const ColumnString & rhs = assert_cast<const ColumnString &>(rhs_);

5
dbms/src/Columns/ColumnVector.h
View File

@ -144,6 +144,11 @@ public:
data.push_back(T());
}
virtual void insertManyDefaults(size_t length) override
{
data.resize_fill(data.size() + length, T());
}
void popBack(size_t n) override
{
data.resize_assume_reserved(data.size() - n);