mirror of
https://github.com/claunia/marechai.git
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Natalia Portillo
04c0e47d9c
move to separate table and use an interconnection table, `resolution_by_gpu`.
342 lines
13 KiB
C#
342 lines
13 KiB
C#
/******************************************************************************
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// Canary Islands Computer Museum Website
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// ----------------------------------------------------------------------------
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//
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// Filename : Gpu.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains operations to manage GPUs.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2003-2018 Natalia Portillo
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*******************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Data;
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using Cicm.Database.Schemas;
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namespace Cicm.Database
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{
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public partial class Operations
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{
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/// <summary>
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/// Gets all GPUs
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/// </summary>
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/// <param name="entries">All GPUs</param>
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/// <returns><c>true</c> if <see cref="entries" /> is correct, <c>false</c> otherwise</returns>
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public bool GetGpus(out List<Gpu> entries)
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{
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#if DEBUG
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Console.WriteLine("Getting all GPUs...");
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#endif
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try
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{
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const string SQL = "SELECT * from gpus";
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IDbCommand dbCmd = dbCon.CreateCommand();
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IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter();
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dbCmd.CommandText = SQL;
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DataSet dataSet = new DataSet();
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dataAdapter.SelectCommand = dbCmd;
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dataAdapter.Fill(dataSet);
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entries = GpusFromDataTable(dataSet.Tables[0]);
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return true;
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}
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catch(Exception ex)
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{
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Console.WriteLine("Error getting GPUs.");
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Console.WriteLine(ex);
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entries = null;
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return false;
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}
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}
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/// <summary>
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/// Gets the specified number of GPUs since the specified start
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/// </summary>
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/// <param name="entries">List of GPUs</param>
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/// <param name="start">Start of query</param>
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/// <param name="count">How many entries to retrieve</param>
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/// <returns><c>true</c> if <see cref="entries" /> is correct, <c>false</c> otherwise</returns>
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public bool GetGpus(out List<Gpu> entries, ulong start, ulong count)
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{
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#if DEBUG
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Console.WriteLine("Getting {0} GPUs from {1}...", count, start);
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#endif
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try
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{
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string sql = $"SELECT * FROM gpus LIMIT {start}, {count}";
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IDbCommand dbCmd = dbCon.CreateCommand();
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IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter();
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dbCmd.CommandText = sql;
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DataSet dataSet = new DataSet();
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dataAdapter.SelectCommand = dbCmd;
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dataAdapter.Fill(dataSet);
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entries = GpusFromDataTable(dataSet.Tables[0]);
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return true;
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}
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catch(Exception ex)
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{
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Console.WriteLine("Error getting GPUs.");
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Console.WriteLine(ex);
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entries = null;
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return false;
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}
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}
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/// <summary>
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/// Gets GPU by specified id
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/// </summary>
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/// <param name="id">Id</param>
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/// <returns>GPU with specified id, <c>null</c> if not found or error</returns>
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public Gpu GetGpu(int id)
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{
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#if DEBUG
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Console.WriteLine("Getting GPU with id {0}...", id);
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#endif
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try
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{
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string sql = $"SELECT * from gpus WHERE id = '{id}'";
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IDbCommand dbCmd = dbCon.CreateCommand();
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IDbDataAdapter dataAdapter = dbCore.GetNewDataAdapter();
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dbCmd.CommandText = sql;
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DataSet dataSet = new DataSet();
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dataAdapter.SelectCommand = dbCmd;
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dataAdapter.Fill(dataSet);
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List<Gpu> entries = GpusFromDataTable(dataSet.Tables[0]);
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return entries == null || entries.Count == 0 ? null : entries[0];
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}
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catch(Exception ex)
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{
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Console.WriteLine("Error getting GPU.");
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Console.WriteLine(ex);
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return null;
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}
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}
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/// <summary>
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/// Counts the number of GPUs in the database
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/// </summary>
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/// <returns>Entries in database</returns>
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public long CountGpus()
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{
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#if DEBUG
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Console.WriteLine("Counting gpus...");
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#endif
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IDbCommand dbcmd = dbCon.CreateCommand();
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dbcmd.CommandText = "SELECT COUNT(*) FROM gpus";
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object count = dbcmd.ExecuteScalar();
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dbcmd.Dispose();
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try { return Convert.ToInt64(count); }
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catch { return 0; }
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}
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/// <summary>
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/// Adds a new GPU to the database
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/// </summary>
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/// <param name="entry">Entry to add</param>
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/// <param name="id">ID of added entry</param>
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/// <returns><c>true</c> if added correctly, <c>false</c> otherwise</returns>
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public bool AddGpu(Gpu entry, out long id)
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{
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#if DEBUG
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Console.Write("Adding GPU `{0}`...", entry.Name);
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#endif
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IDbCommand dbcmd = GetCommandGpu(entry);
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IDbTransaction trans = dbCon.BeginTransaction();
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dbcmd.Transaction = trans;
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const string SQL =
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"INSERT INTO gpus (name, company, model_code, introduced, package, process, process_nm, " +
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"die_size, transistors)" +
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" VALUES (@name, @company, @model_code, @introduced, @package, " +
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"@process, @process_nm, @die_size, @transistors)";
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dbcmd.CommandText = SQL;
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dbcmd.ExecuteNonQuery();
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trans.Commit();
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dbcmd.Dispose();
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id = dbCore.LastInsertRowId;
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#if DEBUG
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Console.WriteLine(" id {0}", id);
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#endif
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return true;
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}
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/// <summary>
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/// Updated a GPU in the database
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/// </summary>
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/// <param name="entry">Updated entry</param>
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/// <returns><c>true</c> if updated correctly, <c>false</c> otherwise</returns>
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public bool UpdateGpu(Gpu entry)
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{
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#if DEBUG
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Console.WriteLine("Updating GPU `{0}`...", entry.Name);
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#endif
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IDbCommand dbcmd = GetCommandGpu(entry);
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IDbTransaction trans = dbCon.BeginTransaction();
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dbcmd.Transaction = trans;
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string sql =
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"UPDATE gpus SET name = @name, company = @company, model_code = @model_code, " +
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"introduced = @introduced, package = @package, process = @process, process_nm = @process_nm, " +
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"die_size = @die_size, transistors = @transistors " +
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$"WHERE id = {entry.Id}";
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dbcmd.CommandText = sql;
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dbcmd.ExecuteNonQuery();
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trans.Commit();
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dbcmd.Dispose();
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return true;
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}
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/// <summary>
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/// Removes a GPU from the database
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/// </summary>
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/// <param name="id">ID of entry to remove</param>
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/// <returns><c>true</c> if removed correctly, <c>false</c> otherwise</returns>
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public bool RemoveGpu(long id)
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{
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#if DEBUG
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Console.WriteLine("Removing GPU widh id `{0}`...", id);
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#endif
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IDbCommand dbcmd = dbCon.CreateCommand();
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IDbTransaction trans = dbCon.BeginTransaction();
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dbcmd.Transaction = trans;
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string sql = $"DELETE FROM gpus WHERE id = '{id}';";
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dbcmd.CommandText = sql;
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dbcmd.ExecuteNonQuery();
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trans.Commit();
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dbcmd.Dispose();
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return true;
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}
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IDbCommand GetCommandGpu(Gpu entry)
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{
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IDbCommand dbcmd = dbCon.CreateCommand();
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IDbDataParameter param1 = dbcmd.CreateParameter();
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IDbDataParameter param2 = dbcmd.CreateParameter();
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IDbDataParameter param3 = dbcmd.CreateParameter();
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IDbDataParameter param4 = dbcmd.CreateParameter();
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IDbDataParameter param5 = dbcmd.CreateParameter();
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IDbDataParameter param6 = dbcmd.CreateParameter();
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IDbDataParameter param7 = dbcmd.CreateParameter();
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IDbDataParameter param8 = dbcmd.CreateParameter();
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IDbDataParameter param9 = dbcmd.CreateParameter();
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param1.ParameterName = "@name";
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param2.ParameterName = "@company";
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param3.ParameterName = "@model_code";
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param4.ParameterName = "@introduced";
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param5.ParameterName = "@package";
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param6.ParameterName = "@process";
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param7.ParameterName = "@process_nm";
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param8.ParameterName = "@die_size";
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param9.ParameterName = "@transistors";
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param1.DbType = DbType.String;
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param2.DbType = DbType.Int32;
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param3.DbType = DbType.String;
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param4.DbType = DbType.DateTime;
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param5.DbType = DbType.String;
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param6.DbType = DbType.String;
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param7.DbType = DbType.Double;
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param8.DbType = DbType.Double;
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param9.DbType = DbType.UInt64;
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param1.Value = entry.Name;
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param2.Value = entry.Company == null ? null : (object)entry.Company.Id;
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param3.Value = entry.ModelCode;
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param4.Value = entry.Introduced == DateTime.MinValue ? null : (object)entry.Introduced;
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param5.Value = entry.Package;
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param6.Value = entry.Process;
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param7.Value = entry.ProcessNm;
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param8.Value = entry.DieSize;
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param9.Value = entry.Transistors;
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dbcmd.Parameters.Add(param1);
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dbcmd.Parameters.Add(param2);
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dbcmd.Parameters.Add(param3);
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dbcmd.Parameters.Add(param4);
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dbcmd.Parameters.Add(param5);
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dbcmd.Parameters.Add(param6);
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dbcmd.Parameters.Add(param7);
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dbcmd.Parameters.Add(param8);
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dbcmd.Parameters.Add(param9);
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return dbcmd;
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}
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List<Gpu> GpusFromDataTable(DataTable dataTable)
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{
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List<Gpu> entries = new List<Gpu>();
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foreach(DataRow dataRow in dataTable.Rows)
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{
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Gpu entry = new Gpu
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{
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Id = (int)dataRow["id"],
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Name = (string)dataRow["name"],
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ModelCode = dataRow["model_code"] == DBNull.Value ? null : (string)dataRow["model_code"],
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Package = dataRow["package"] == DBNull.Value ? null : (string)dataRow["package"],
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Process = dataRow["process"] == DBNull.Value ? null : (string)dataRow["process"],
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ProcessNm = dataRow["process_nm"] == DBNull.Value ? 0 : (float)dataRow["process_nm"],
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DieSize = dataRow["die_size"] == DBNull.Value ? 0 : (float)dataRow["die_size"],
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Transistors = dataRow["transistors"] == DBNull.Value ? 0 : (long)dataRow["transistors"],
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Company = dataRow["company"] == DBNull.Value ? null : GetCompany((int)dataRow["company"]),
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Introduced = dataRow["introduced"] == DBNull.Value
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? DateTime.MinValue
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: Convert.ToDateTime(dataRow["introduced"])
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};
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entries.Add(entry);
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}
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return entries;
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}
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}
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} |