pgsqlclient-checkins

[<car...@us...>]

Update of /cvsroot/pgsqlclient/pgsqlclient_10/PostgreSql.Data.PgSqlClient/source/NPgClient
In directory sc8-pr-cvs1:/tmp/cvs-serv14193

Modified Files:
	PgStatement.cs 
Log Message:
Performance improvement

Index: PgStatement.cs
===================================================================
RCS file: /cvsroot/pgsqlclient/pgsqlclient_10/PostgreSql.Data.PgSqlClient/source/NPgClient/PgStatement.cs,v
retrieving revision 1.9
retrieving revision 1.10
diff -C2 -d -r1.9 -r1.10
*** PgStatement.cs	1 Nov 2003 10:31:05 -0000	1.9
--- PgStatement.cs	18 Nov 2003 14:19:29 -0000	1.10
***************
*** 52,56 ****
  		private bool			allRowsFetched;
  		private PgRowDescriptor rowDescriptor;
! 		private ArrayList		rows;
  		private PgParameter[]	parameters;
  		private PgParameter		outParameter;
--- 52,57 ----
  		private bool			allRowsFetched;
  		private PgRowDescriptor rowDescriptor;
! 		private object[]		rows;
! 		private int				rowIndex;
  		private PgParameter[]	parameters;
  		private PgParameter		outParameter;
***************
*** 102,106 ****
  		}
  
! 		public ArrayList Rows
  		{
  			get { return rows; }
--- 103,107 ----
  		}
  
! 		public object[] Rows
  		{
  			get { return rows; }
***************
*** 140,144 ****
  		{
  			this.outParameter		= new PgParameter();
! 			this.rows				= new ArrayList();
  			this.parseName			= String.Empty;
  			this.portalName			= String.Empty;
--- 141,146 ----
  		{
  			this.outParameter		= new PgParameter();
! 			this.rows				= null;
! 			this.rowIndex			= 0;
  			this.parseName			= String.Empty;
  			this.portalName			= String.Empty;
***************
*** 205,209 ****
  
  					// Clear actual row list
! 					rows.Clear();
  
  					// Update status
--- 207,212 ----
  
  					// Clear actual row list
! 					rows		= null;
! 					rowIndex	= 0;
  
  					// Update status
***************
*** 344,347 ****
--- 347,353 ----
  				try
  				{
+ 					this.rows		= new object[fetchSize];
+ 					this.rowIndex	= 0;
+ 
  					PgOutputPacket packet = new PgOutputPacket(db.Settings.Encoding);
  
***************
*** 365,368 ****
--- 371,377 ----
  					}
  
+ 					// reset rowIndex
+ 					this.rowIndex = 0;
+ 
  					// If the command is finished and has returned rows
  					// set all rows are received
***************
*** 397,401 ****
  		}
  
! 		public void ExecuteFunction()
  		{
  			lock (db)
--- 406,410 ----
  		}
  
! 		public void ExecuteFunction(int id)
  		{
  			lock (db)
***************
*** 405,410 ****
  					PgOutputPacket packet = new PgOutputPacket(db.Settings.Encoding);
  
! 					// TODO: Send function oid
! 					packet.WriteInt(0);
  
  					// Send parameters format code.
--- 414,419 ----
  					PgOutputPacket packet = new PgOutputPacket(db.Settings.Encoding);
  
! 					// Function id
! 					packet.WriteInt(id);
  
  					// Send parameters format code.
***************
*** 487,491 ****
  			object[] row = null;
  
! 			if (!this.allRowsFetched && this.rows.Count == 0)
  			{
  				lock (this)
--- 496,501 ----
  			object[] row = null;
  
! 			if ((!this.allRowsFetched && this.rows.Length == 0) ||
! 				(!this.allRowsFetched && this.rows.Length >= this.fetchSize))
  			{
  				lock (this)
***************
*** 496,506 ****
  			}
  			
! 			if (rows.Count > 0)
  			{
  				// Return always first row
! 				row = (object[])this.rows[0];
  
! 				// Remove row from the list
! 				this.rows.RemoveAt(0);
  			}
  
--- 506,521 ----
  			}
  			
! 			if (this.rows != null	&& 
! 				this.rows.Length > 0 &&
! 				this.rows[this.rowIndex] != null)
  			{
  				// Return always first row
! 				row = (object[])this.rows[this.rowIndex++];
! 			}
  
! 			if (this.rowIndex >= this.fetchSize ||
! 				this.rows[this.rowIndex] == null )
! 			{
! 				this.rows = null;
  			}
  
***************
*** 546,550 ****
  
  					// Clear rows
! 					rows.Clear();
  
  					// Update Status
--- 561,566 ----
  
  					// Clear rows
! 					rows		= null;
! 					rowIndex	= 0;
  
  					// Update Status
***************
*** 738,742 ****
  			}
  
! 			this.rows.Add(values);
  		}
  
--- 754,758 ----
  			}
  
! 			this.rows[this.rowIndex++] = values;
  		}