Definition at line 23 of file TPgSQLServer.h.

Public Member Functions
	TPgSQLServer (const char db, const char uid, const char *pw)
	Open a connection to a PgSQL DB server.

	~TPgSQLServer ()
	Close connection to PgSQL DB server.

void	Close (Option_t *opt="") final
	Close connection to PgSQL DB server.

Int_t	CreateDataBase (const char *dbname) final
	Create a database. Returns 0 if successful, non-zero otherwise.

Int_t	DropDataBase (const char *dbname) final
	Drop (i.e.

TSQLResult *	GetColumns (const char dbname, const char table, const char *wild=nullptr) final
	List all columns in specified table in the specified database.

TSQLResult *	GetDataBases (const char *wild=nullptr) final
	List all available databases.

TSQLTableInfo *	GetTableInfo (const char *tablename) final
	Produce TSQLTableInfo.

TSQLResult *	GetTables (const char dbname, const char wild=nullptr) final
	List all tables in the specified database.

Bool_t	HasStatement () const final
	PG_VERSION_NUM conveniently only started being #defined at 8.2.3 which is the first version of libpq which explicitly supports prepared statements.

TSQLResult *	Query (const char *sql) final
	Execute SQL command.

Int_t	Reload () final
	Reload permission tables.

Int_t	SelectDataBase (const char *dbname) final
	Select a database. Returns 0 if successful, non-zero otherwise.

const char *	ServerInfo () final
	Return server info.

Int_t	Shutdown () final
	Shutdown the database server.

TSQLStatement *	Statement (const char *sql, Int_t=100) final
	Produce TPgSQLStatement.

Public Member Functions inherited from TSQLServer
virtual	~TSQLServer ()

virtual Bool_t	Commit ()
	submit "COMMIT" query to database return kTRUE, if successful

virtual void	EnableErrorOutput (Bool_t on=kTRUE)

virtual Bool_t	Exec (const char *sql)
	Execute sql query.

const char *	GetDB () const

const char *	GetDBMS () const

virtual Int_t	GetErrorCode () const
	returns error code of last operation if res==0, no error Each specific implementation of TSQLServer provides its own error coding

virtual const char *	GetErrorMsg () const
	returns error message of last operation if no errors, return 0 Each specific implementation of TSQLServer provides its own error messages

const char *	GetHost () const

virtual Int_t	GetMaxIdentifierLength ()

Int_t	GetPort () const

virtual TList *	GetTablesList (const char *wild=nullptr)
	Return list of user tables Parameter wild specifies wildcard for table names.

virtual Bool_t	HasTable (const char *tablename)
	Tests if table of that name exists in database Return kTRUE, if table exists.

virtual Bool_t	HasTransactionInFlight ()
	returns kTRUE when transaction is running Must be implemented in derived classes

TClass *	IsA () const override

virtual Bool_t	IsConnected () const

virtual Bool_t	IsError () const

virtual Int_t	Ping ()

virtual Bool_t	PingVerify ()

virtual Bool_t	Rollback ()
	submit "ROLLBACK" query to database return kTRUE, if successful

virtual Bool_t	StartTransaction ()
	submit "START TRANSACTION" query to database return kTRUE, if successful

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char *	ClassName () const
	Returns name of class to which the object belongs.

virtual void	Clear (Option_t *="")

virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility.

virtual Int_t	Compare (const TObject *obj) const
	Compare abstract method.

virtual void	Copy (TObject &object) const
	Copy this to obj.

virtual void	Delete (Option_t *option="")
	Delete this object.

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.

virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

virtual void	Dump () const
	Dump contents of object on stdout.

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message.

virtual void	Execute (const char method, const char params, Int_t *error=nullptr)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=nullptr)
	Execute method on this object with parameters stored in the TObjArray.

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message.

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.

virtual const char *	GetIconName () const
	Returns mime type name of object.

virtual const char *	GetName () const
	Returns name of object.

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).

virtual Option_t *	GetOption () const

virtual const char *	GetTitle () const
	Returns title of object.

virtual UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

virtual ULong_t	Hash () const
	Return hash value for this object.

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message.

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.

void	InvertBit (UInt_t f)

Bool_t	IsDestructed () const
	IsDestructed.

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

virtual Bool_t	IsSortable () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

virtual void	ls (Option_t *option="") const
	The ls function lists the contents of a class on stdout.

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.

void	operator delete (void *ptr)
	Operator delete.

void	operator delete (void ptr, void vp)
	Only called by placement new when throwing an exception.

void	operator delete[] (void *ptr)
	Operator delete [].

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

void *	operator new (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz)

void *	operator new[] (size_t sz, void *vp)

TObject &	operator= (const TObject &rhs)
	TObject assignment operator.

virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself.

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.

virtual void	Print (Option_t *option="") const
	This method must be overridden when a class wants to print itself.

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.

void	ResetBit (UInt_t f)

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename.

virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out".

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message.

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.

Private Attributes
std::map< Int_t, std::string >	fOidTypNameMap

PGconn *	fPgSQL {nullptr}

TString	fSrvInfo

Additional Inherited Members
Public Types inherited from TSQLServer
enum	ESQLDataTypes { kSQL_NONE = -1 , kSQL_CHAR = 1 , kSQL_VARCHAR = 2 , kSQL_INTEGER = 3 , kSQL_FLOAT = 4 , kSQL_DOUBLE = 5 , kSQL_NUMERIC = 6 , kSQL_BINARY = 7 , kSQL_TIMESTAMP = 8 }
	printf argument for floats and doubles, either "%f" or "%e" or "%10f" and so on More...

Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

enum	{ kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Static Public Member Functions inherited from TSQLServer
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static TSQLServer *	Connect (const char db, const char uid, const char *pw)
	The db should be of the form: `<dbms>://<host>[:<port>][/<database>]`, e.g.: `mysql://pcroot.cern.ch:3456/test`, `oracle://srv1.cern.ch/main`, `pgsql://...` or `sqlite://<database>...` The uid is the username and pw the password that should be used for the connection.

static const char *	DeclFileName ()

static const char *	GetFloatFormat ()
	return current printf format for float/double members, default "%e"

static void	SetFloatFormat (const char *fmt="%e")
	set printf format for float/double members, default "%e"

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag.

static Bool_t	GetObjectStat ()
	Get status of object stat flag.

static void	SetDtorOnly (void *obj)
	Set destructor only flag.

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

Protected Member Functions inherited from TSQLServer
	TSQLServer ()

void	ClearError ()
	reset error fields

void	SetError (Int_t code, const char msg, const char method=nullptr)
	set new values for error fields if method is specified, displays error message

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

Protected Attributes inherited from TSQLServer
TString	fDB

Int_t	fErrorCode {0}

TString	fErrorMsg

Bool_t	fErrorOut {kTRUE}

TString	fHost

Int_t	fPort {-1}

TString	fType

Static Protected Attributes inherited from TSQLServer
static const char *	fgFloatFmt = "%e"

#include <TPgSQLServer.h>

Inheritance diagram for TPgSQLServer:

[legend]

Constructor & Destructor Documentation

◆ TPgSQLServer()

TPgSQLServer::TPgSQLServer	(	const char *	db,
		const char *	uid,
		const char *	pw )

Open a connection to a PgSQL DB server.

The db arguments should be of the form "pgsql://<host>[:<port>][/<database>]", e.g.: "pgsql://pcroot.cern.ch:3456/test". The uid is the username and pw the password that should be used for the connection.

Definition at line 46 of file TPgSQLServer.cxx.

◆ ~TPgSQLServer()

TPgSQLServer::~TPgSQLServer ( )

Close connection to PgSQL DB server.

Definition at line 103 of file TPgSQLServer.cxx.

Member Function Documentation

◆ Close()

void TPgSQLServer::Close ( Option_t * opt = "" )

finalvirtual

Close connection to PgSQL DB server.

Implements TSQLServer.

Definition at line 112 of file TPgSQLServer.cxx.

◆ CreateDataBase()

Int_t TPgSQLServer::CreateDataBase ( const char * dbname )

finalvirtual

Create a database. Returns 0 if successful, non-zero otherwise.

Implements TSQLServer.

Definition at line 267 of file TPgSQLServer.cxx.

◆ DropDataBase()

Int_t TPgSQLServer::DropDataBase ( const char * dbname )

finalvirtual

Drop (i.e.

delete) a database. Returns 0 if successful, non-zero otherwise.

Implements TSQLServer.

Definition at line 284 of file TPgSQLServer.cxx.

◆ GetColumns()

TSQLResult * TPgSQLServer::GetColumns	(	const char *	dbname,
		const char *	table,
		const char *	wild = nullptr )

finalvirtual

List all columns in specified table in the specified database.

Wild is for wildcarding "t%" list all columns starting with "t". Returns a pointer to a TSQLResult object if successful, 0 otherwise. The result object must be deleted by the user.

Implements TSQLServer.

Definition at line 235 of file TPgSQLServer.cxx.

◆ GetDataBases()

TSQLResult * TPgSQLServer::GetDataBases ( const char * wild = nullptr )

finalvirtual

List all available databases.

Wild is for wildcarding "t%" list all databases starting with "t". Returns a pointer to a TSQLResult object if successful, 0 otherwise. The result object must be deleted by the user.

Implements TSQLServer.

Definition at line 190 of file TPgSQLServer.cxx.

◆ GetTableInfo()

TSQLTableInfo * TPgSQLServer::GetTableInfo ( const char * tablename )

finalvirtual

Produce TSQLTableInfo.

Reimplemented from TSQLServer.

Definition at line 396 of file TPgSQLServer.cxx.

◆ GetTables()

TSQLResult * TPgSQLServer::GetTables	(	const char *	dbname,
		const char *	wild = nullptr )

finalvirtual

List all tables in the specified database.

Wild is for wildcarding "t%" list all tables starting with "t". Returns a pointer to a TSQLResult object if successful, 0 otherwise. The result object must be deleted by the user.

Implements TSQLServer.

Definition at line 210 of file TPgSQLServer.cxx.

◆ HasStatement()

Bool_t TPgSQLServer::HasStatement ( ) const

finalvirtual

PG_VERSION_NUM conveniently only started being #defined at 8.2.3 which is the first version of libpq which explicitly supports prepared statements.

Reimplemented from TSQLServer.

Definition at line 345 of file TPgSQLServer.cxx.

◆ Query()

TSQLResult * TPgSQLServer::Query ( const char * sql )

finalvirtual

Execute SQL command.

Result object must be deleted by the user. Returns a pointer to a TSQLResult object if successful, 0 otherwise. The result object must be deleted by the user.

Implements TSQLServer.

Definition at line 126 of file TPgSQLServer.cxx.

◆ Reload()

Int_t TPgSQLServer::Reload ( )

finalvirtual

Reload permission tables.

Returns 0 if successful, non-zero otherwise. User must have reload permissions.

Implements TSQLServer.

Definition at line 301 of file TPgSQLServer.cxx.

◆ SelectDataBase()

Int_t TPgSQLServer::SelectDataBase ( const char * dbname )

finalvirtual

Select a database. Returns 0 if successful, non-zero otherwise.

Implements TSQLServer.

Definition at line 148 of file TPgSQLServer.cxx.

◆ ServerInfo()

const char * TPgSQLServer::ServerInfo ( )

finalvirtual

Return server info.

Implements TSQLServer.

Definition at line 330 of file TPgSQLServer.cxx.

◆ Shutdown()

Int_t TPgSQLServer::Shutdown ( )

finalvirtual

Shutdown the database server.

Returns 0 if successful, non-zero otherwise. User must have shutdown permissions.

Implements TSQLServer.

Definition at line 316 of file TPgSQLServer.cxx.

◆ Statement()

TSQLStatement * TPgSQLServer::Statement	(	const char *	sql,
		Int_t	= 100 )

finalvirtual

Produce TPgSQLStatement.

Reimplemented from TSQLServer.

Definition at line 360 of file TPgSQLServer.cxx.

Member Data Documentation

◆ fOidTypNameMap

std::map<Int_t,std::string> TPgSQLServer::fOidTypNameMap

private

Definition at line 28 of file TPgSQLServer.h.

◆ fPgSQL

PGconn* TPgSQLServer::fPgSQL {nullptr}

private

Definition at line 26 of file TPgSQLServer.h.

◆ fSrvInfo

TString TPgSQLServer::fSrvInfo

private

Definition at line 27 of file TPgSQLServer.h.

sql/pgsql/inc/TPgSQLServer.h

sql/pgsql/src/TPgSQLServer.cxx

Public Member Functions

Private Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TPgSQLServer()

◆ ~TPgSQLServer()

Member Function Documentation

◆ Close()

◆ CreateDataBase()

◆ DropDataBase()

◆ GetColumns()

◆ GetDataBases()

◆ GetTableInfo()

◆ GetTables()

◆ HasStatement()

◆ Query()

◆ Reload()

◆ SelectDataBase()

◆ ServerInfo()

◆ Shutdown()

◆ Statement()

Member Data Documentation

◆ fOidTypNameMap

◆ fPgSQL

◆ fSrvInfo