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| author | Bruce Momjian <bruce@momjian.us> | 1999-12-03 17:35:05 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 1999-12-03 17:35:05 +0000 |
| commit | 5ada36c1e4d95098a3da010f1844fed16447ce7a (patch) | |
| tree | 74708a70473166a6b31d0d85888bdf7a8b2586a4 /src/interfaces/libpq++/libpq++.H | |
| parent | 89ad160622e42266376406a2d760de86a95d7cca (diff) | |
| download | postgresql-5ada36c1e4d95098a3da010f1844fed16447ce7a.tar.gz | |
Rename libpq++.H to libpq++.h.
Diffstat (limited to 'src/interfaces/libpq++/libpq++.H')
| -rw-r--r-- | src/interfaces/libpq++/libpq++.H | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/src/interfaces/libpq++/libpq++.H b/src/interfaces/libpq++/libpq++.H deleted file mode 100644 index 13c4b7ffec..0000000000 --- a/src/interfaces/libpq++/libpq++.H +++ /dev/null @@ -1,191 +0,0 @@ - -/*------------------------------------------------------------------------- - * - * libpq++.H - * - * - * DESCRIPTION - * C++ client interface to Postgres - * used for building front-end applications - * - * NOTES - * Currently under construction. - * - * Copyright (c) 1994, Regents of the University of California - * - * - *------------------------------------------------------------------------- - */ - -#ifndef LIBPQXX_H -#define LIBPQXX_H - -#include <stdio.h> -#include <strings.h> -#include <string> - -extern "C" { -#include "config.h" -#include "postgres.h" -#include "libpq-fe.h" -} - -static char rcsid[] = "$Id: libpq++.H,v 1.7 1999/10/22 19:05:02 momjian Exp $"; - - -// **************************************************************** -// -// PgConnection - a connection made to a postgres backend -// -// **************************************************************** -class PgConnection { -protected: - PGconn* pgConn; // Connection Structures - PGresult* pgResult; // Query Result - int pgCloseConnection; // Flag indicating whether the connection should be closed - ConnStatusType Connect(const char* conninfo); - string IntToString(int); - PgConnection(); - -public: - PgConnection(const char* conninfo); // use reasonable and environment defaults - ~PgConnection(); // close connection and clean up - - ConnStatusType Status(); - int ConnectionBad(); - const char* ErrorMessage(); - - // returns the database name of the connection - const char* DBName(); - - ExecStatusType Exec(const char* query); // send a query to the backend - int ExecCommandOk(const char* query); // send a command and check if it's - int ExecTuplesOk(const char* query); // send a command and check if tuple - PGnotify* Notifies(); -}; - -// **************************************************************** -// -// PgDatabase - a class for accessing databases -// -// **************************************************************** -class PgDatabase : public PgConnection { -protected: - PgDatabase() : PgConnection() {} // Do not connect - -public: - // connect to the database with conninfo - PgDatabase(const char *conninfo) : PgConnection(conninfo) {}; - ~PgDatabase() {}; // close connection and clean up - // query result access - int Tuples(); - int CmdTuples(); - int Fields(); - const char* FieldName(int field_num); - int FieldNum(const char *field_name); - Oid FieldType(int field_num); - Oid FieldType(const char *field_name); - short FieldSize(int field_num); - short FieldSize(const char *field_name); - const char* GetValue(int tup_num, int field_num); - const char* GetValue(int tup_num, const char *field_name); - int GetIsNull(int tup_num, int field_num); - int GetIsNull(int tup_num, const char* field_name); - int GetLength(int tup_num, int field_num); - int GetLength(int tup_num, const char* field_name); - void DisplayTuples(FILE *out = 0, int fillAlign = 1, - const char* fieldSep = "|",int printHeader = 1, int quiet = 0) ; - void PrintTuples(FILE *out = 0, int printAttName = 1, - int terseOutput = 0, int width = 0) ; - - // copy command related access - int GetLine(char* string, int length); - void PutLine(const char* string); - const char *OidStatus(); - int EndCopy(); -}; - - - -// **************************************************************** -// -// PGLargeObject - a class for accessing Large Object in a database -// -// **************************************************************** -class PgLargeObject : public PgConnection { -public: - PgLargeObject(const char* conninfo = 0); // use reasonable defaults and create large object - PgLargeObject(Oid lobjId, const char* conninfo = 0); // use reasonable defaults and open large object - ~PgLargeObject(); // close connection and clean up - - void Create(); - void Open(); - void Close(); - int Read(char* buf, int len); - int Write(const char* buf, int len); - int LSeek(int offset, int whence); - int Tell(); - int Unlink(); - Oid LOid(); - Oid Import(const char* filename); - int Export(const char* filename); - string Status(); -}; - - -// **************************************************************** -// -// PgTransaction - a class for running transactions against databases -// -// **************************************************************** -class PgTransaction : public PgDatabase { -protected: - ExecStatusType BeginTransaction(); - ExecStatusType EndTransaction(); - PgTransaction() : PgDatabase() {} // Do not connect - -public: - PgTransaction(const char* conninfo); // use reasonable & environment defaults - // connect to the database with given environment and database name - PgTransaction(const PgConnection&); - virtual ~PgTransaction(); // close connection and clean up - -}; - - -// **************************************************************** -// -// PgCursor - a class for querying databases using a cursor -// -// **************************************************************** -class PgCursor : public PgTransaction { -protected: - int Fetch(const string& num, const string& dir); - string pgCursor; - PgCursor() : PgTransaction() {} // Do not connect - -public: - PgCursor(const char* dbName, const char* cursor); // use reasonable & environment defaults - // connect to the database with given environment and database name - PgCursor(const PgConnection&, const char* cursor); - virtual ~PgCursor(); // close connection and clean up - - // Commands associated with cursor interface - int Declare(const string& query, int binary = 0); // Declare a cursor with given name - int Fetch(const char* dir = "FORWARD"); // Fetch ALL tuples in given direction - int Fetch(unsigned num, const char* dir = "FORWARD"); // Fetch specified amount of tuples - int Close(); // Close the cursor - - // Accessors to the cursor name - const char* Cursor(); - void Cursor(const string& cursor); -}; - - - -// buffer size -#define BUFSIZE 1024 - -#endif /* LIBPQXX_H */ - - |
