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NCBI C++ ToolKit: src/dbapi/rs_impl.cpp Source File

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void RemoveListener(CActiveObject *obj)

void SetIdent(const string &name)

void AddListener(CActiveObject *obj)

void Notify(const CDbapiEvent &e)

CDB_Connection * CloneCDB_Conn()

CActiveObject * GetSource() const

Note about the "buf_size" parameter for streams in this API.

@ fLogExceptions

Exceptions logged only.

@ fOwnReader

Own the underlying reader.

@ fOwnWriter

Own the underlying writer.

void CheckIdx(unsigned int idx)

virtual CNcbiIstream & GetBlobIStream(size_t buf_size)

Get Blob input stream.

virtual const CVariant & GetVariant(const CDBParamVariant &param)

Retrieve a CVariant class describing the data stored in a given column.

virtual CNcbiOstream & GetBlobOStream(size_t blob_size, TBlobOStreamFlags flags, size_t buf_size)

Get Blob output stream.

class CConnection * m_conn

virtual bool Next()

Get next row.

int GetColNum(const string &name)

virtual void Close()

Close resultset.

vector< CVariant > m_data

virtual int GetColumnNo()

Get column number, currently available for Read()

virtual void BindBlobToVariant(bool b)

Bind blob to variant.

ERowReadType m_RowReadType

virtual size_t Read(void *buf, size_t size)

Read unformatted data.

virtual EDB_ResType GetResultType()

Get result type.

virtual void DisableBind(bool b)

Disables column binding.

CResultSet(class CConnection *conn, CDB_Result *rs)

void x_CacheItems(int last_num)

CNcbiOstream & xGetBlobOStream(CDB_Connection *cdb_conn, size_t blob_size, TBlobOStreamFlags flags, size_t buf_size, bool destroy)

virtual void Action(const CDbapiEvent &e)

virtual bool WasNull()

Determine if last column was NULL.

virtual const IResultSetMetaData * GetMetaData(EOwnership ownership)

Get Metadata.

virtual IReader * GetBlobReader()

Get a Blob Reader.

CResultSetMetaData * m_metaData

virtual unsigned int GetTotalColumns()

Get total columns.

Writer-based output stream.

A very basic data-read interface.

The NCBI C++ standard methods for dealing with std::string.

#define NCBI_DBAPI_THROW(message)

static CS_CONNECTION * conn

@ eTakeOwnership

An object can take ownership of another.

EAllowLog

EDataSource –.

virtual CNcbiOstream & GetBlobOStream(size_t blob_size, TBlobOStreamFlags flags=0, size_t buf_size=0)=0

Get Blob output stream.

bool IsPositional(void) const

unsigned int GetPosition(void) const

EDB_ResType

EDB_ResType::

const string & GetName(void) const

virtual EDB_ResType ResultType() const

Get type of the result.

virtual size_t ItemMaxSize(unsigned int item_num) const

Get size (in bytes) of a result item.

virtual EDB_Type ItemDataType(unsigned int item_num) const

Get datatype of a result item.

virtual int CurrentItemNo() const

Return current item number we can retrieve (0,1,...)

virtual size_t ReadItem(void *buffer, size_t buffer_size, bool *is_null=0)

Read a result item body (for BLOB columns, mostly).

virtual CDB_Object * GetItem(CDB_Object *item_buf=0, EGetItem policy=eAppendLOB)

Get a result item (you can use either GetItem or ReadItem).

virtual const char * ItemName(unsigned int item_num) const

Get name of a result item.

virtual unsigned int NofItems() const

Get # of items (columns) in the result.

virtual bool Fetch()

Fetch next row.

static bool IsBlobType(EDB_Type db_type)

CDB_Object * GetNonNullData() const

static CVariant LongChar(const char *p, size_t len=0)

static CVariant LongBinary(size_t maxSize, const void *p, size_t len)

static CVariant Binary(size_t size, const void *p, size_t len)

static CVariant Char(size_t size, const char *p)

void SetBlobDescriptor(I_BlobDescriptor *descr)

#define NCBI_CATCH_ALL_X(err_subcode, message)

#define NCBI_RESUME_DEPRECATION_WARNINGS

#define NCBI_SUSPEND_DEPRECATION_WARNINGS

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

IO_PREFIX::ostream CNcbiOstream

Portable alias for ostream.

IO_PREFIX::istream CNcbiIstream

Portable alias for istream.

static string IntToString(int value, TNumToStringFlags flags=0, int base=10)

Convert int to string.

static int Compare(const CTempString s1, SIZE_TYPE pos, SIZE_TYPE n, const char *s2, ECase use_case=eCase)

Compare of a substring with another string.

CTime Truncate(const CTime &t)

enum ENcbiOwnership EOwnership

Ownership relations between objects.

Definition of all error codes used in dbapi libraries (dbapi_driver.lib and others).

const struct ncbi::grid::netcache::search::fields::SIZE size

static NCBI_SUSPEND_DEPRECATION_WARNINGS I_BlobDescriptor * s_GetBlobDescriptor(I_Result &result)

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