Vertica::VerticaBlock Class Reference
: Represents an in-memory block of tuples
Inheritance diagram for Vertica::VerticaBlock:
Collaboration diagram for Vertica::VerticaBlock:
| Classes | |
|---|---|
| struct | NestedBlockPtr |
| Public Member Functions | |
|---|---|
| VerticaBlock (size_t ncols, int rowcount, const int *indices) | |
| void | copy (const VerticaBlock &other) |
| template | |
| const T * | getColPtr (size_t idx) const |
| template<> | |
| const VString * | getColPtr (size_t idx) const |
| template<> | |
| const VNumeric * | getColPtr (size_t idx) const |
| template<> | |
| const VUuid * | getColPtr (size_t idx) const |
| template<> | |
| const BlockReader * | getColPtr (size_t idx) const |
| template | |
| T * | getColPtrForWrite (size_t idx) |
| template<> | |
| VString * | getColPtrForWrite (size_t idx) |
| template<> | |
| VNumeric * | getColPtrForWrite (size_t idx) |
| template<> | |
| VUuid * | getColPtrForWrite (size_t idx) |
| template<> | |
| BlockWriter * | getColPtrForWrite (size_t idx) |
| template | |
| const T & | getColRef (size_t idx) const |
| template | |
| T & | getColRefForWrite (size_t idx) |
| int | getColStride (size_t idx) const |
| const EE::DataArea * | getDataArea (size_t idx) const |
| size_t | getNumCols () const |
| int | getNumRows () const |
| const SizedColumnTypes & | getTypeMetaData () const |
| SizedColumnTypes & | getTypeMetaData () |
| void * | getVoidPtr (size_t idx=0) |
| const void * | getVoidPtr (size_t idx=0) const |
| bool | remaining () const |
| void | setDataArea (size_t idx, void *dataarea) |
| Protected Member Functions | |
|---|---|
| void | addCol (char *arg, int colstride, const Field &field) |
| void | addCol (const char *arg, int colstride, const Field &field) |
| bool | checkStringUserBlockInfo (size_t idx) const |
| bool | checkTimeUserBlockInfo (size_t idx) const |
| EE::DataArea ** | getArrayIntermediateDataArea (size_t c) |
| void | reset () |
| void | resetIndex () |
| void | setRowCount (int rowCount) |
| void | validateStringColumn (size_t idx, const VString &s, size_t colLength) const |
| Protected Attributes | |
|---|---|
| std::vector | cols |
| std::vector | colstrides |
| int | count |
| std::vector | ctWrappers |
| int | index |
| const int * | indices |
| size_t | ncols |
| int | nrows |
| std::vector | processBlockUserInfoVector |
| std::vector | svWrappers |
| SizedColumnTypes | typeMetaData |
| std::vector | uuWrappers |
| std::vector | vnWrappers |
| Friends | |
|---|---|
| class | ::EE::Loader::OrcParser |
| class | ::EE::Loader::ParquetParser |
| class | ::EE::MVExprSupport |
| class | ::EE::UserDefinedAggregate |
| class | ::EE::UserDefinedAnalytic |
| class | ::EE::UserDefinedProcess |
| class | ::EE::UserDefinedTransform |
| class | ::EE::VEval |
| class | AggregateFunction |
| class | Array::BlockSaver |
| struct | CPPExecContext |
| class | VerticaBlockSerializer |
Detailed Description
: Represents an in-memory block of tuples
Member Function Documentation
void Vertica::VerticaBlock::addCol(char * arg, int colstride, const Field & field)
protected
Add the location for reading a particular argument.
Parameters
arg: The base location to find data.colstride: The stride between data instances.field: metadata for the added columndt: The type of input.fieldname: the name of the field
Referenced by Vertica::ParamReader::addParameter().
EE::DataArea** Vertica::VerticaBlock::getArrayIntermediateDataArea(size_t c)
inlineprotected
Returns a pointer to a DataArea for accumulating an intermediate result
template<class T >
const T* Vertica::VerticaBlock::getColPtr(size_t idx) const
inline Returns a pointer to the idx'th argument, cast appropriately.
Example:
const vint *a = arg_reader->getColPtr(0);
template<class T >
const T& Vertica::VerticaBlock::getColRef(size_t idx) const
inline Returns a pointer to the idx'th argument, cast appropriately.
Example
const vint a = arg_reader->getColRef<vint>(0);
size_t Vertica::VerticaBlock::getNumCols() const
inline Returns the number of columns held by this block.
Referenced by
- Vertica::BlockWriter::copyFromInput()
- Vertica::BlockReader::isNull()
- Vertica::BlockWriter::setNull()
int Vertica::VerticaBlock::getNumRows() const
inline Returns the number of rows held by this block.
const SizedColumnTypes& Vertica::VerticaBlock::getTypeMetaData() const
inline Returns information about the types and numbers of arguments
Referenced by
SizedColumnTypes& Vertica::VerticaBlock::getTypeMetaData()
inline Returns information about the types and numbers of arguments
bool Vertica::VerticaBlock::remaining() const
inline Returns the number of entries remaining in the block