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

buf_size = 0) = 0;

& GetBlobOStream(

blob_size,

buf_size = 0);

buf_size = 0) = 0;

buf_size = 0);

buf_size = 0) = 0;

buf_size = 0);

SendSql(

&

);

(

&

);

ExecuteUpdate(

&

);

* ExecuteQuery(

&

);

buf_size = 0) = 0;

& GetBlobOStream(

col,

buf_size = 0);

* GetBlobWriter(

col,

(

&

,

& updateSql) = 0;

& password,

& server,

& password,

& server,

GetCallableStatement(

);

GetCursor(name,

, 1);

GetCursor(name,

, batchSize);

PrepareCall(

);

CreateCursor(name,

, 1);

CreateCursor(name,

, batchSize);

GetTimeout(

)

;

GetCancelTimeout(

)

;

SetApplicationName(

& app_name);

GetApplicationName(

)

;

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 ...

A very basic data-read interface.

A very basic data-write interface.

Abstract reader-writer interface classes.

std::ofstream out("events_result.xml")

main entry point for tests

static CS_CONNECTION * conn

static const char table_name[]

static const column_t columns[]

@ eNoOwnership

No ownership is assumed.

virtual IWriter * GetBlobWriter(unsigned int col, size_t blob_size, TBlobOStreamFlags flags=0)=0

Get Blob Writer.

virtual bool Next()=0

Get next row.

EConnMode

Which connection mode.

virtual const I_DriverContext * GetDriverContext() const =0

virtual string GetName(const CDBParamVariant &param) const =0

Get name of column.

virtual size_t Read(void *buf, size_t size)=0

Read unformatted data.

ICursor * GetCursor(const string &name, const string &sql)

virtual void Complete()=0

Complete batch.

virtual IResultSet * GetResultSet()=0

Get resulset.

virtual const CVersionInfo & GetVersionInfo() const =0

virtual bool Failed()=0

Check if the statement failed.

IBulkInsert * GetBulkInsert(const string &table_name, unsigned int)

virtual void SetTimeout(size_t nof_secs)=0

Set connection timeout.

IBulkInsert * CreateBulkInsert(const string &table_name, unsigned int)

virtual void DisableBind(bool b)=0

Disables column binding.

virtual void SetParam(const CVariant &v, const CDBParamVariant &param)=0

Set input/output parameter.

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

Get output stream for BLOB updates, requires BLOB column number.

virtual void Close()=0

Close resultset.

virtual bool HasMoreResults()=0

Check for more results available.

virtual IDataSource * GetDataSource()=0

Get parent datasource object.

virtual void Execute()=0

Execute stored procedure.

virtual void Close()=0

Close connecti.

virtual IResultSet * ExecuteQuery(const string &sql)=0

Exectues SQL statement and returns the first resultset.

virtual void Execute(const string &sql)=0

Sends one or more SQL statements to the SQL server (NOTE: replaced by the SendSql())

virtual IStatement * CreateStatement()=0

Get statement object for regular SQL queries.

ICursor * CreateCursor(const string &name, const string &sql, int, int batchSize)

virtual const IResultSetMetaData * GetMetaData(EOwnership ownership=eNoOwnership)=0

Get Metadata.

virtual void Close()=0

Close.

virtual void SetOutputParam(const CVariant &v, const CDBParamVariant &param)=0

Set output parameter, which will be returned as resultset.

virtual void ConnectValidated(IConnValidator &validator, const string &user, const string &password, const string &server, const string &database=kEmptyStr)=0

Connect to a database using connect validator.

virtual const IResultSetMetaData & GetParamsMetaData(void)=0

Get input parameters metadata.

virtual void MsgToEx(bool v)=0

If enabled, redirects all error messages to CDB_MultiEx object (see below).

virtual CDB_Connection * GetCDB_Connection()=0

Returns the internal driver connection object.

virtual IBulkInsert * CreateBulkInsert(const string &table_name)=0

Create bulk insert object.

virtual void AddOrderHint(CTempString columns)=0

Add "ORDER" hint.

virtual void StoreBatch()=0

Store batch of rows.

virtual EDB_ResType GetResultType()=0

Get result type.

virtual CNcbiIstream & GetBlobIStream(size_t buf_size=0)=0

Get Blob input stream.

virtual void SetMode(EConnMode mode)=0

Set connection mode.

virtual ICallableStatement * PrepareCall(const string &proc)=0

Get callable statement object for stored procedures.

virtual string GetErrorInfo()=0

Returns all error messages as a single string.

virtual void Update(const string &table, const string &updateSql)=0

Update statement for cursor.

virtual void ResetMode(EConnMode mode)=0

Reset connection mode.

virtual int GetRowCount()=0

Get total of rows returned.

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

Get an ostream for writing BLOBs using previously created CDB_BlobDescriptor.

virtual EDB_Type GetType(const CDBParamVariant &param) const =0

Get data type for column in the resultset.

virtual bool IsAlive()=0

Check if the connection is alive.

virtual void Abort()=0

Abort connection.

virtual IReader * GetBlobReader()=0

Get a Blob Reader.

virtual IConnection * CloneConnection(EOwnership ownership=eNoOwnership)=0

Clone existing connection.

virtual void SetLoginTimeout(unsigned int i)=0

Set login timeout.

ICallableStatement * GetCallableStatement(const string &proc, int)

virtual CDB_MultiEx * GetErrorAsEx()=0

Returns all server messages as a CDB_MultiEx object.

virtual unsigned int GetTotalColumns(void) const =0

Get total number of columns in resultset.

virtual void Bind(const CDBParamVariant &param, CVariant *v)=0

Bind column.

EHints

Type of hint that can be set.

virtual IStatement * GetStatement()=0

Get statement object for regular SQL queries.

virtual void PurgeResults()=0

Purge results.

virtual void ClearParamList()=0

Clear parameter list.

virtual string GetErrorInfo()=0

Returns all server messages as a single string.

virtual ICursor * GetCursor(const string &name, const string &sql, int batchSize)=0

Get cursor object.

virtual void ForceSingle(bool enable)=0

Force single connection mode, default false.

virtual unsigned int GetTotalColumns()=0

Get total columns.

virtual void BindBlobToVariant(bool b)=0

Bind blob to variant.

ICallableStatement * PrepareCall(const string &proc, int)

virtual const CVariant & GetVariant(const CDBParamVariant &param)=0

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

virtual string GetDatabase()=0

Get current database.

virtual I_DriverContext * GetDriverContext()=0

Returns the pointer to the general driver interface.

ICursor * CreateCursor(const string &name, const string &sql)

virtual ICallableStatement * GetCallableStatement(const string &proc)=0

Get callable statement object for stored procedures.

virtual ICursor * CreateCursor(const string &name, const string &sql, int batchSize)=0

Get cursor object.

virtual int GetMaxSize(const CDBParamVariant &param) const =0

Get maximum size in bytes for column.

virtual void ExecuteUpdate()=0

Executes stored procedure no results returned.

virtual void ExecuteLast()=0

Executes the last command (with changed parameters, if any).

virtual void SetParam(const CVariant &v, const CDBParamVariant &param)=0

Set input parameters.

virtual void SetHints(CTempString hints)=0

Set hints by one call. Resets everything that was set by Add*Hint().

virtual CDB_MultiEx * GetErrorAsEx()=0

Returns all error messages as a CDB_MultiEx object.

virtual void AddHint(EHints hint, unsigned int value=0)=0

Add hint with value.

virtual bool WasNull()=0

Determine if last column was NULL.

virtual void Cancel()=0

Cancel cursor.

ICursor * GetCursor(const string &name, const string &sql, int, int batchSize)

virtual void SetAutoClearInParams(bool flag=true)=0

Set auto-clear input parameter flag.

virtual void Close()=0

Close statement.

virtual class IConnection * GetParentConn()=0

Get the parent connection.

virtual IResultSet * Open()=0

Open cursor and get corresponding resultset.

virtual void Connect(const string &user, const string &password, const string &server, const string &database=kEmptyStr)=0

Connect to a database.

virtual IBulkInsert * GetBulkInsert(const string &table_name)=0

Create bulk insert object.

virtual void Connect(const CDBConnParams &params)=0

Connect to a database.

virtual class IConnection * GetParentConn()=0

Get the parent connection.

virtual void SetDatabase(const string &name)=0

Set current database.

virtual IWriter * GetBlobWriter(I_BlobDescriptor &d, size_t blob_size, TBlobOStreamFlags flags=0)=0

Get a writer for writing BLOBs using previously created CDB_BlobDescriptor.

virtual int GetReturnStatus()=0

Get return status from the stored procedure.

virtual void Close()=0

Close cursor.

virtual bool HasRows()=0

Check if resultset has rows.

virtual void Delete(const string &table)=0

Delete statement for cursor.

virtual bool IsAutoClearInParams(void) const =0

Get auto-clear input parameter flag value.

virtual void Cancel()=0

Cancel statement.

virtual void AddRow()=0

Add row to the batch.

virtual unsigned int GetModeMask()=0

Get mode mask.

virtual void Cancel()=0

Cancel bulk insert.

virtual void SetParam(const CVariant &v, const CDBParamVariant &param)=0

Set input parameter.

virtual int GetColumnNo()=0

Get column number, currently available for Read()

virtual void SetCancelTimeout(size_t)

Set timeout for command cancellation and connection closing.

EAllowLog

EDataSource –.

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

Get Blob output stream with explicit additional connection.

virtual CDBParams::EDirection GetDirection(const CDBParamVariant &param) const =0

Get parameter's direction (in/out/inout).

virtual void SetLogStream(ostream *out)=0

Set the output stream for server messages.

CAutoTrans::CSubject DBAPI_MakeTrans(IConnection &connection)

virtual void ExecuteUpdate(const string &sql)=0

Executes SQL statement with no results returned.

virtual IConnection * CreateConnection(EOwnership ownership=eNoOwnership)=0

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

Get Blob output stream.

virtual void SendSql(const string &sql)=0

Sends one or more SQL statements to the SQL server.

EBlobOStreamFlags

EBlobOStreamFlags –.

@ eDisableLog

Disables log.

@ eEnableLog

Enables log.

@ fBOS_UseTransaction

Use a (sub)transaction (committed once all data's been sent successfully, rolled back for unrecoverab...

EDB_ResType

EDB_ResType::

#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.

enum ENcbiOwnership EOwnership

Ownership relations between objects.

#define NCBI_DBAPI_EXPORT

<!DOCTYPE HTML >< html > n< header > n< title > PubSeq Gateway Help Page</title > n< style > n table

use only n Cassandra database for the lookups</td > n</tr > n< tr > n< td > yes</td > n< td > do not use tables BIOSEQ_INFO and BLOB_PROP in the Cassandra database

string Execute(const string &cmmd, const vector< string > &args, const string &data=kEmptyStr)

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

const GenericPointer< typename T::ValueType > T2 value

Portable reference counted smart and weak pointers using CWeakRef, CRef, CObject and CObjectEx.

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