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NCBI C++ ToolKit: include/dbapi/driver/public.hpp Source File

1 #ifndef DBAPI_DRIVER___PUBLIC__HPP 2 #define DBAPI_DRIVER___PUBLIC__HPP 40 #if defined(_MSC_VER) && _MSC_VER < 1920 42 #pragma warning(disable : 4996) 99 const string

query

100 unsigned int

batch_size);

102 const string

query

)

128 bool

discard_results =

true

);

147 bool

log_it =

true

);

154 void

SetDatabaseName(

const string

& name);

189 virtual const string

UserName

()

const

;

196 virtual const string

Password

()

const

;

221 unsigned int

GetReuseCount()

const

;

228 virtual const string

PoolName

()

const

;

288 virtual bool Abort

();

299 virtual bool Close

(

void

);

317 virtual void

SetCancelTimeout(

size_t

nof_secs);

331 size_t

GetCancelTimeout(

void

)

const

;

336 virtual string

GetDriverName(

void

)

const

;

342 return

m_HasTransaction;

350 #ifndef NCBI_UNDEPRECATE__DBAPI_OLD_CONNECTION 358 #ifndef NCBI_UNDEPRECATE__DBAPI_OLD_CONNECTION 363 return RPC

(rpc_name);

366 #ifndef NCBI_UNDEPRECATE__DBAPI_OLD_CONNECTION 374 #ifndef NCBI_UNDEPRECATE__DBAPI_OLD_CONNECTION 378 const string

query

380 unsigned int

batch_size)

385 void

FinishOpening(

void

);

403 bool

x_IsAlive(

void

);

423 virtual const CDBParams

& GetDefineParams(

void

)

const

;

431 virtual unsigned int

NofItems()

const

;

441 virtual const char

* ItemName(

unsigned int

item_num)

const

;

451 virtual size_t

ItemMaxSize(

unsigned int

item_num)

const

;

461 virtual EDB_Type

ItemDataType(

unsigned int

item_num)

const

;

469 virtual bool

Fetch();

477 virtual int

CurrentItemNo()

const

;

484 virtual int

GetColumnNum(

void

)

const

;

527 virtual size_t

ReadItem(

void

buffer

size_t

buffer_size,

554 virtual bool

SkipItem();

599 #ifndef NCBI_UNDEPRECATE__DBAPI_OLD_LANGCMD 602 virtual bool

More(

const string

& query_text);

605 virtual CDBParams

& GetBindParams(

void

);

606 virtual CDBParams

& GetDefineParams(

void

);

618

GetBindParams().

Set

(name,

value

);

629 virtual bool

Cancel();

636 virtual bool

HasMoreResults()

const

;

639 virtual bool

HasFailed()

const

;

644 virtual int

RowCount()

const

;

649 virtual void

DumpResults();

680 virtual CDBParams

& GetBindParams(

void

);

681 virtual CDBParams

& GetDefineParams(

void

);

687 bool

out_param =

false 690

GetBindParams().

Bind

(name,

value

, out_param);

698 bool

out_param =

false 701

GetBindParams().

Set

(name,

value

, out_param);

712 virtual bool

Cancel();

723 virtual bool

HasMoreResults()

const

;

726 virtual bool

HasFailed()

const

;

731 virtual int

RowCount()

const

;

736 virtual void

DumpResults();

744 virtual const string

& GetProcName(

void

)

const

;

791 void

AddHint(EBCP_Hints hint,

unsigned int value

= 0);

798 virtual CDBParams

& GetBindParams(

void

);

804 virtual bool

SendRow();

808 virtual bool

CompleteBatch();

811 virtual bool

Cancel();

815 virtual bool

CompleteBCP();

846 virtual CDBParams

& GetBindParams(

void

);

847 virtual CDBParams

& GetDefineParams(

void

);

863 virtual bool

Update(

const string

table_name

const string

& upd_query);

870 virtual bool

UpdateBlob(

unsigned int

item_num,

CDB_Stream

data

871 bool

log_it =

true

);

895 bool

discard_results =

true

);

899 virtual bool

Delete(

const string

table_name

);

904 virtual int

RowCount()

const

;

908 virtual bool Close

();

940 virtual size_t

SendChunk(

const void

data

size_t size

);

941 virtual bool

Cancel(

void

);

945 virtual bool

HasMoreResults()

const

;

950 virtual void

DumpResults();

983 const string

& column_name,

984 const string

& search_conditions,

985

ETDescriptorType column_type =

eUnknown

989 virtual int

DescriptorType(

void

)

const

;

991 const string

TableName

()

const

{

return

m_TableName; }

1000 return

m_ColumnType;

1004

m_ColumnType =

type

;

1008 return

m_HasLegacyType;

1011

m_HasLegacyType =

state

;

1034 virtual void

ProcessResult(

CDB_Result

& res);

1042 void

ReleaseConn(

void

);

1118 #define DBAPI_TRANSACTION(connection) \ 1119 for(ncbi::CAutoTrans auto_trans(ncbi::DBAPI_MakeTrans(connection)); \ 1120 auto_trans.Continue(); \ 1121 auto_trans.Finish()) 1129 #if defined(_MSC_VER) && _MSC_VER < 1920 1130 #pragma warning(pop)

Helper class to allow safe initialization from higher-layer objects.

CTempString implements a light-weight string on top of a storage buffer whose lifetime management is ...

virtual const string & ServerName(void) const =0

virtual Uint4 Host(void) const =0

virtual Uint2 Port(void) const =0

I_LangCmd:: I_RPCCmd:: I_BCPInCmd:: I_CursorCmd:: I_SendDataCmd::

static const char table_name[]

static const column_t columns[]

ETriState

Enumeration to represent a tristate value.

@ eTriState_Unknown

The value is indeterminate.

@ eNoOwnership

No ownership is assumed.

virtual bool IsAlive(void)=0

Check out if connection is alive.

virtual const string & PoolName(void) const =0

Find out which connection pool this connection belongs to.

virtual CDBParams & Set(const CDBParamVariant &param, CDB_Object *value, bool out_param=false)

This method stores copy of data.

virtual CDB_SendDataCmd * SendDataCmd(I_BlobDescriptor &desc, size_t data_size, bool log_it=true, bool discard_results=true)=0

Create send-data command.

virtual CDB_CursorCmd * Cursor(const string &cursor_name, const string &query, unsigned int batch_size)=0

Cursor.

virtual CDB_RPCCmd * RPC(const string &rpc_name)=0

Remote procedure call.

virtual bool SendData(I_BlobDescriptor &desc, CDB_Stream &lob, bool log_it=true)=0

Shortcut to send text and image to the server without using the "Send-data" command (SendDataCmd)

virtual CDB_BCPInCmd * BCPIn(const string &table_name)=0

"Bulk copy in" command

virtual const string & DatabaseName(void) const =0

Get the database name.

virtual bool Close(void)=0

Close an open connection.

virtual size_t GetTimeout(void) const =0

Get connection timeout.

virtual CDB_LangCmd * LangCmd(const string &lang_query)=0

These methods: LangCmd(), RPC(), BCPIn(), Cursor() and SendDataCmd() create and return a "command" ob...

virtual I_DriverContext * Context(void) const =0

Get pointer to the driver context.

virtual bool Refresh(void)=0

Reset the connection to the "ready" state (cancel all active commands)

virtual I_DriverContext::TConnectionMode ConnectMode(void) const =0

Get the bitmask for the connection mode (BCP, secure login, ...)

virtual string GetVersionString(void) const

Driver version, supplied here rather than by the context for ODBC's sake.

virtual void SetTimeout(size_t nof_secs)=0

Set connection timeout.

virtual CDBParams & Bind(const CDBParamVariant &param, CDB_Object *value, bool out_param=false)

This method stores pointer to data.

virtual I_ConnectionExtra & GetExtraFeatures(void)=0

Get interface for extra features that could be implemented in the driver.

virtual void PopMsgHandler(CDB_UserHandler *h)=0

Remove the message handler (and all above it) from the stack.

EDB_ResType

EDB_ResType::

virtual const string & Password(void) const =0

Get the password.

virtual CDB_ResultProcessor * SetResultProcessor(CDB_ResultProcessor *rp)=0

Set new result-processor.

virtual void PushMsgHandler(CDB_UserHandler *h, EOwnership ownership=eNoOwnership)=0

Put the message handler into message handler stack.

virtual bool IsReusable(void) const =0

Check if this connection is a reusable one.

virtual const string & UserName(void) const =0

Get the user user.

impl::CResult * GetIResultPtr(void) const

CDB_LangCmd * LangCmd(const string &lang_query, unsigned int)

CAutoTrans(const CSubject &subject)

bool SetParam(const string &name, CDB_Object *value, bool out_param=false)

const string & SearchConditions() const

void SetHasLegacyType(ETriState state)

bool SetParam(const string &name, CDB_Object *value)

CAutoTrans & operator=(const CAutoTrans &)

void SetTableName(const string &name)

ETriState m_HasLegacyType

impl::CConnection * m_ConnImpl

NCBI_DECLARE_INTERFACE_VERSION(I_DriverContext, "xdbapi", 14, 0, 0)

impl::CResult * m_ResImpl

CDB_CursorCmd * Cursor(const string &cursor_name, const string &query, unsigned int, unsigned int batch_size)

impl::CResult & GetIResult(void) const

impl::CSendDataCmd * m_CmdImpl

impl::CBaseCmd * m_CmdImpl

CAutoTrans(const CAutoTrans &)

bool BindParam(const string &name, CDB_Object *value)

ETDescriptorType m_ColumnType

CDB_ResultProcessor(const CDB_ResultProcessor &)

CDB_CursorCmd * Cursor(const string &cursor_name, const string &query)

string m_SearchConditions

CSubject(CDB_Connection &connection)

CDB_Result(const CDB_Result &)

CDB_ResultProcessor * m_Next

CDB_ResultProcessor * m_Prev

impl::CBaseCmd * m_CmdImpl

CDB_BlobDescriptor CDB_ITDescriptor

impl::CBaseCmd * m_CmdImpl

CAutoTrans::CSubject DBAPI_MakeTrans(CDB_Connection &connection)

CDB_RPCCmd(const CDB_RPCCmd &)

CDB_BCPInCmd * BCPIn(const string &table_name, unsigned int)

bool Continue(void) const

CDB_LangCmd(const CDB_LangCmd &)

ETriState GetHasLegacyType(void) const

CDB_BCPInCmd(const CDB_BCPInCmd &)

CDB_Connection(const CDB_Connection &)

ETDescriptorType GetColumnType(void) const

void SetColumnName(const string &name)

CDB_Connection & m_Connection

EBCP_Hints

Type of hint that can be set.

CDB_RPCCmd * RPC(const string &rpc_name, unsigned int)

void SetSearchConditions(const string &cond)

CDB_SendDataCmd(const CDB_CursorCmd &)

impl::CBaseCmd * m_CmdImpl

void BeginTransaction(void)

bool BindParam(const string &name, CDB_Object *value, bool out_param=false)

const string & ColumnName() const

CDB_CursorCmd(const CDB_CursorCmd &)

bool HasTransaction(void) const

void SetColumnType(ETDescriptorType type)

bool BindParam(const string &name, CDB_Object *value)

const string & TableName() const

NCBI_XNCBI_EXPORT void Abort(void)

Smart abort function.

uint32_t Uint4

4-byte (32-bit) unsigned integer

uint16_t Uint2

2-byte (16-bit) unsigned integer

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

enum ENcbiOwnership EOwnership

Ownership relations between objects.

#define NCBI_DBAPIDRIVER_EXPORT

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

const GenericPointer< typename T::ValueType > T2 value

double r(size_t dimension_, const Int4 *score_, const double *prob_, double theta_)

Plugin manager (using class factory paradigm).

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