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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/classCTL__CursorResultExpl.html below:

NCBI C++ ToolKit: CTL_CursorResultExpl Class Reference

Search Toolkit Book for CTL_CursorResultExpl

#include <dbapi/driver/ctlib/interfaces.hpp>

CTL_CursorResultExpl (CTL_LangCmd *cmd, const string &cursor_name) virtual ~CTL_CursorResultExpl (void) virtual EDB_ResType ResultType (void) const Get type of the result. More...
virtual bool Fetch (void) Fetch next row. More...
virtual int CurrentItemNo (void) const Return current item number we can retrieve (0,1,...) Return "-1" if no more items left (or available) to read. More...
virtual int GetColumnNum (void) const Return number of columns in the recordset. More...
virtual CDB_Object * GetItem (CDB_Object *item_buff=0, I_Result::EGetItem policy=I_Result::eAppendLOB) Get a result item (you can use either GetItem or ReadItem). More...
virtual size_t ReadItem (void *buffer, size_t buffer_size, bool *is_null=0) Read a result item body (for BLOB columns, mostly). More...
virtual I_BlobDescriptor * GetBlobDescriptor (void) Get a descriptor for a BLOB column (for SendData). More...
I_BlobDescriptor * GetBlobDescriptor (int item_num) virtual bool SkipItem (void) Skip result item. More...
CTL_CursorResult (CS_COMMAND *pCmd, CTL_Connection &conn, const string &cursor_name) virtual ~CTL_CursorResult (void) void x_InvalidateDescriptors (void) CTL_RowResult (CS_COMMAND *cmd, CTL_Connection &conn) virtual ~CTL_RowResult (void) void Close (void) I_BlobDescriptor * GetBlobDescriptor (int item_num) CS_RETCODE my_ct_get_data (CS_COMMAND *cmd, CS_INT item, CS_VOID *buffer, CS_INT buflen, CS_INT *outlen, bool &is_null) CDB_Object * GetItemInternal (I_Result::EGetItem policy, CS_COMMAND *cmd, CS_INT item_no, CS_DATAFMT &fmt, CDB_Object *item_buf) CS_COMMAND * x_GetSybaseCmd (void) const CS_RETCODE Check (CS_RETCODE rc) CTL_Connection & GetConnection (void) const CTL_Connection & GetConnection (void) const const CTL_Connection::TDbgInfo & GetDbgInfo (void) const void SetCurrentItemNum (int num) int GetCurrentItemNum (void) const void IncCurrentItemNum (void) bool IsDead (void) const const CDBParams * GetLastParams (void) const void CheckIsDead (void) const

Definition at line 1330 of file interfaces.hpp.

◆ CTL_CursorResultExpl() ◆ ~CTL_CursorResultExpl() CTL_CursorResultExpl::~CTL_CursorResultExpl ( void ) protectedvirtual ◆ ClearFields() void CTL_CursorResultExpl::ClearFields ( void ) private ◆ ClearResultSet() void CTL_CursorResultExpl::ClearResultSet ( void ) private ◆ CurrentItemNo() int CTL_CursorResultExpl::CurrentItemNo ( void ) const protectedvirtual

Return current item number we can retrieve (0,1,...) Return "-1" if no more items left (or available) to read.

Reimplemented from CTL_RowResult.

Definition at line 1333 of file result.cpp.

References m_CurItemNo.

◆ DumpResultSet() void CTL_CursorResultExpl::DumpResultSet ( void ) private ◆ Fetch()

Fetch next row.

Reimplemented from CTL_CursorResult.

Definition at line 1254 of file result.cpp.

References ClearFields(), CTL_Connection::CompleteBlobDescriptors(), CTL_BLOB_DESCRIPTOR_TYPE_MAGNUM, CDB_Result::CurrentItemNo(), DATABASE_DRIVER_ERROR_EX, eDB_RowResult, CDB_Result::Fetch(), GetCmd(), CDB_Result::GetColumnNum(), CTL_RowResult::GetConnection(), CTL_RowResult::GetDbgInfo(), CDB_Result::GetDefineParams(), CDB_Result::GetItem(), i, CDB_Object::IsBlobType(), CDB_Result::ItemDataType(), m_BlobDescrs, impl::CResult::m_CachedRowInfo, m_CurItemNo, m_CursorName, m_Fields, m_ReadBytes, m_Res, NULL, CTL_LangCmd::Result(), CDB_Result::ResultType(), s_GetBlobDescriptor(), and CTL_LangCmd::Send().

◆ FetchAllResultSet() void CTL_CursorResultExpl::FetchAllResultSet ( void ) private ◆ GetBlobDescriptor() [1/2] ◆ GetBlobDescriptor() [2/2]

Get a descriptor for a BLOB column (for SendData).

Return NULL if this result doesn't (or can't) have a BLOB descriptor. NOTE: you need to call ReadItem (maybe even with buffer_size == 0) before calling this method!

Reimplemented from CTL_RowResult.

Definition at line 1348 of file interfaces.hpp.

◆ GetCmd() [1/2] ◆ GetCmd() [2/2] ◆ GetColumnNum() int CTL_CursorResultExpl::GetColumnNum ( void ) const protectedvirtual ◆ GetItem()

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

If "item_buf" is not NULL, then use "*item_buf" (its type should be compatible with the type of retrieved item!) to retrieve the item to; otherwise allocate new "CDB_Object".

Reimplemented from CTL_RowResult.

Definition at line 1345 of file result.cpp.

References CDB_Stream::Append(), CDB_Object::AssignValue(), buffer, DATABASE_DRIVER_ERROR, I_Result::eAppendLOB, GetColumnNum(), CTL_RowResult::GetDbgInfo(), CDB_Object::GetType(), CDB_Object::IsBlobType(), m_CurItemNo, m_Fields, CDB_Stream::MoveTo(), NULL, CDB_Stream::Read(), read_size(), CDB_Stream::Size(), and total_size.

◆ GetResultSet() CDB_Result* CTL_CursorResultExpl::GetResultSet ( void ) const private ◆ ReadItem() size_t CTL_CursorResultExpl::ReadItem ( void * buffer, size_t buffer_size, bool * is_null = 0 ) protectedvirtual

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

Return number of successfully read bytes. Set "*is_null" to TRUE if the item is <NULL>. Throw an exception on any error.

Reimplemented from CTL_RowResult.

Definition at line 1385 of file result.cpp.

References _cs_numeric::array, buffer, CHECK_DRIVER_ERROR, CS_BIGDATETIME_TYPE, cs_dt_crack, CS_MAX_NUMLEN, CS_SUCCEED, CTLibContext::CTLIB_GetContext(), ctx, CDB_String::Data(), data, CDB_LongChar::DataSize(), _cs_daterec::datedmonth, _cs_daterec::datedweek, _cs_daterec::datedyear, _cs_daterec::datehour, _cs_daterec::dateminute, _cs_daterec::datemonth, _cs_daterec::datemsecond, _cs_daterec::datesecfrac, _cs_daterec::datesecond, _cs_daterec::datesecprec, _cs_daterec::dateyear, _cs_datetime4::days, _cs_datetime::dtdays, _cs_datetime::dttime, eDB_BigDateTime, eDB_BigInt, eDB_Binary, eDB_Bit, eDB_Char, eDB_DateTime, eDB_Double, eDB_Float, eDB_Image, eDB_Int, eDB_LongBinary, eDB_LongChar, eDB_Numeric, eDB_SmallDateTime, eDB_SmallInt, eDB_Text, eDB_TinyInt, eDB_VarBinary, eDB_VarBinaryMax, eDB_VarChar, eDB_VarCharMax, free(), CDB_DateTime::Get300Secs(), GetColumnNum(), CDB_BigDateTime::GetCTime(), CTL_Connection::GetCTLibContext(), CDB_SmallDateTime::GetDays(), CDB_DateTime::GetDays(), CDB_SmallDateTime::GetMinutes(), CDB_Object::GetType(), CDB_Object::IsNULL(), kMicroSecondsPerSecond, CTL_RowResult::m_Connect, m_CurItemNo, m_Fields, m_ReadBuffer, m_ReadBytes, malloc(), _cs_datetime4::minutes, CDB_Stream::MoveTo(), NULL, _cs_numeric::precision, CDB_Numeric::Precision(), CDB_Numeric::RawData(), CDB_Stream::Read(), _cs_numeric::scale, CDB_Numeric::Scale(), CDB_VarBinary::Size(), CDB_Binary::Size(), CDB_LongBinary::Size(), CDB_Stream::Size(), CDB_String::Size(), t, CDB_VarBinary::Value(), CDB_Binary::Value(), and CDB_LongBinary::Value().

◆ ResultType() EDB_ResType CTL_CursorResultExpl::ResultType ( void ) const protectedvirtual ◆ SetResultSet() void CTL_CursorResultExpl::SetResultSet ( CDB_Result * res ) private ◆ SkipItem() bool CTL_CursorResultExpl::SkipItem ( void ) protectedvirtual ◆ CTL_CursorCmdExpl ◆ default_delete< CTL_CursorResultExpl > ◆ m_BlobDescrs ◆ m_Cmd ◆ m_CurItemNo int CTL_CursorResultExpl::m_CurItemNo private ◆ m_CursorName string CTL_CursorResultExpl::m_CursorName private ◆ m_Fields vector<CDB_Object*> CTL_CursorResultExpl::m_Fields private ◆ m_ReadBuffer void* CTL_CursorResultExpl::m_ReadBuffer private ◆ m_ReadBytes size_t CTL_CursorResultExpl::m_ReadBytes private ◆ m_Res

The documentation for this class was generated from the following files:

include/dbapi/driver/ctlib/interfaces.hpp
src/dbapi/driver/ctlib/result.cpp

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