--- postgresql-7.0.3/src/interfaces/libpq++/pgdatabase.h	Sun Apr 23 00:39:15 2000
+++ postgresql-7.0.3-jtv/src/interfaces/libpq++/pgdatabase.h	Mon Feb 26 15:06:59 2001
@@ -37,35 +37,37 @@
 class PgDatabase : public PgConnection {
 public:
   // connect to the database with conninfo
-  PgDatabase(const char* conninfo) : PgConnection(conninfo) {}
+  explicit PgDatabase(const char conninfo[]) : PgConnection(conninfo) {}
 
   ~PgDatabase() {}				// close connection and clean up
   
   // query result access
-  int Tuples();
-  int CmdTuples(); 
+  int Tuples() const;
+  int CmdTuples() const; 
   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) ;
+  const char* FieldName(int field_num) const;
+  int FieldNum(const char* field_name) const;
+  Oid FieldType(int field_num) const;
+  Oid FieldType(const char* field_name) const;
+  short FieldSize(int field_num) const;
+  short FieldSize(const char* field_name) const;
+  const char* GetValue(int tup_num, int field_num) const;
+  const char* GetValue(int tup_num, const char* field_name) const;
+  bool GetIsNull(int tup_num, int field_num) const;
+  bool GetIsNull(int tup_num, const char* field_name) const;
+  int GetLength(int tup_num, int field_num) const;
+  int GetLength(int tup_num, const char* field_name) const;
+
+  // OBSOLESCENT (use PQprint()):
+  void DisplayTuples(FILE *out=0, bool fillAlign=true, 
+	const char* fieldSep="|", bool printHeader=true, bool quiet=false) const;
+  void PrintTuples(FILE *out=0, bool printAttName=true, 
+	bool terseOutput=false, bool fillAlign=false) const;
 
   // copy command related access
-  int GetLine(char* string, int length);
-  void PutLine(const char* string);
-  const char* OidStatus();
+  int GetLine(char str[], int length);
+  void PutLine(const char str[]);
+  const char* OidStatus() const;
   int EndCopy();
     
 protected: