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https://github.com/jellyfin/jellyfin.git
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407 lines
12 KiB
C#
407 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Serialization;
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using SQLitePCL.pretty;
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namespace Emby.Server.Implementations.Data
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{
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public static class SqliteExtensions
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{
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public static void RunQueries(this SQLiteDatabaseConnection connection, string[] queries)
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{
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if (queries == null)
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{
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throw new ArgumentNullException("queries");
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}
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connection.RunInTransaction(conn =>
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{
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//foreach (var query in queries)
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//{
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// conn.Execute(query);
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//}
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conn.ExecuteAll(string.Join(";", queries));
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});
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}
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public static byte[] ToGuidParamValue(this string str)
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{
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return ToGuidParamValue(new Guid(str));
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}
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public static byte[] ToGuidParamValue(this Guid guid)
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{
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return guid.ToByteArray();
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}
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public static Guid ReadGuid(this IResultSetValue result)
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{
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return new Guid(result.ToBlob());
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}
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public static string ToDateTimeParamValue(this DateTime dateValue)
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{
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var kind = DateTimeKind.Utc;
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return (dateValue.Kind == DateTimeKind.Unspecified)
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? DateTime.SpecifyKind(dateValue, kind).ToString(
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GetDateTimeKindFormat(kind),
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CultureInfo.InvariantCulture)
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: dateValue.ToString(
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GetDateTimeKindFormat(dateValue.Kind),
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CultureInfo.InvariantCulture);
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}
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private static string GetDateTimeKindFormat(
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DateTimeKind kind)
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{
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return (kind == DateTimeKind.Utc) ? _datetimeFormatUtc : _datetimeFormatLocal;
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}
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/// <summary>
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/// An array of ISO-8601 DateTime formats that we support parsing.
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/// </summary>
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private static string[] _datetimeFormats = new string[] {
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"THHmmssK",
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"THHmmK",
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"HH:mm:ss.FFFFFFFK",
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"HH:mm:ssK",
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"HH:mmK",
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"yyyy-MM-dd HH:mm:ss.FFFFFFFK", /* NOTE: UTC default (5). */
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"yyyy-MM-dd HH:mm:ssK",
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"yyyy-MM-dd HH:mmK",
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"yyyy-MM-ddTHH:mm:ss.FFFFFFFK",
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"yyyy-MM-ddTHH:mmK",
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"yyyy-MM-ddTHH:mm:ssK",
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"yyyyMMddHHmmssK",
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"yyyyMMddHHmmK",
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"yyyyMMddTHHmmssFFFFFFFK",
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"THHmmss",
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"THHmm",
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"HH:mm:ss.FFFFFFF",
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"HH:mm:ss",
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"HH:mm",
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"yyyy-MM-dd HH:mm:ss.FFFFFFF", /* NOTE: Non-UTC default (19). */
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"yyyy-MM-dd HH:mm:ss",
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"yyyy-MM-dd HH:mm",
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"yyyy-MM-ddTHH:mm:ss.FFFFFFF",
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"yyyy-MM-ddTHH:mm",
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"yyyy-MM-ddTHH:mm:ss",
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"yyyyMMddHHmmss",
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"yyyyMMddHHmm",
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"yyyyMMddTHHmmssFFFFFFF",
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"yyyy-MM-dd",
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"yyyyMMdd",
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"yy-MM-dd"
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};
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private static string _datetimeFormatUtc = _datetimeFormats[5];
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private static string _datetimeFormatLocal = _datetimeFormats[19];
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public static DateTime ReadDateTime(this IResultSetValue result)
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{
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var dateText = result.ToString();
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return DateTime.ParseExact(
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dateText, _datetimeFormats,
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DateTimeFormatInfo.InvariantInfo,
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DateTimeStyles.None).ToUniversalTime();
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}
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/// <summary>
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/// Serializes to bytes.
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/// </summary>
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/// <returns>System.Byte[][].</returns>
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/// <exception cref="System.ArgumentNullException">obj</exception>
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public static byte[] SerializeToBytes(this IJsonSerializer json, object obj, IMemoryStreamFactory streamProvider)
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{
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if (obj == null)
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{
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throw new ArgumentNullException("obj");
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}
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using (var stream = streamProvider.CreateNew())
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{
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json.SerializeToStream(obj, stream);
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return stream.ToArray();
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}
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}
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public static void Attach(ManagedConnection db, string path, string alias)
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{
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var commandText = string.Format("attach @path as {0};", alias);
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using (var statement = db.PrepareStatement(commandText))
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{
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statement.TryBind("@path", path);
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statement.MoveNext();
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}
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}
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public static bool IsDBNull(this IReadOnlyList<IResultSetValue> result, int index)
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{
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return result[index].SQLiteType == SQLiteType.Null;
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}
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public static string GetString(this IReadOnlyList<IResultSetValue> result, int index)
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{
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return result[index].ToString();
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}
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public static bool GetBoolean(this IReadOnlyList<IResultSetValue> result, int index)
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{
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return result[index].ToBool();
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}
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public static int GetInt32(this IReadOnlyList<IResultSetValue> result, int index)
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{
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return result[index].ToInt();
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}
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public static long GetInt64(this IReadOnlyList<IResultSetValue> result, int index)
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{
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return result[index].ToInt64();
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}
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public static float GetFloat(this IReadOnlyList<IResultSetValue> result, int index)
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{
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return result[index].ToFloat();
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}
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public static Guid GetGuid(this IReadOnlyList<IResultSetValue> result, int index)
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{
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return result[index].ReadGuid();
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}
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private static void CheckName(string name)
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{
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#if DEBUG
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//if (!name.IndexOf("@", StringComparison.OrdinalIgnoreCase) != 0)
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{
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throw new Exception("Invalid param name: " + name);
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}
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#endif
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}
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public static void TryBind(this IStatement statement, string name, double value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.Bind(value);
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, string value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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if (value == null)
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{
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bindParam.BindNull();
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}
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else
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{
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bindParam.Bind(value);
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}
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, bool value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.Bind(value);
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, float value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.Bind(value);
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, int value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.Bind(value);
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, Guid value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.Bind(value.ToGuidParamValue());
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, DateTime value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.Bind(value.ToDateTimeParamValue());
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, long value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.Bind(value);
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, byte[] value)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.Bind(value);
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBindNull(this IStatement statement, string name)
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{
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IBindParameter bindParam;
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if (statement.BindParameters.TryGetValue(name, out bindParam))
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{
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bindParam.BindNull();
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}
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else
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{
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CheckName(name);
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}
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}
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public static void TryBind(this IStatement statement, string name, DateTime? value)
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{
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if (value.HasValue)
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{
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TryBind(statement, name, value.Value);
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}
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else
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{
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TryBindNull(statement, name);
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}
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}
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public static void TryBind(this IStatement statement, string name, Guid? value)
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{
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if (value.HasValue)
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{
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TryBind(statement, name, value.Value);
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}
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else
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{
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TryBindNull(statement, name);
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}
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}
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public static void TryBind(this IStatement statement, string name, double? value)
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{
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if (value.HasValue)
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{
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TryBind(statement, name, value.Value);
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}
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else
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{
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TryBindNull(statement, name);
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}
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}
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public static void TryBind(this IStatement statement, string name, int? value)
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{
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if (value.HasValue)
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{
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TryBind(statement, name, value.Value);
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}
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else
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{
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TryBindNull(statement, name);
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}
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}
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public static void TryBind(this IStatement statement, string name, float? value)
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{
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if (value.HasValue)
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{
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TryBind(statement, name, value.Value);
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}
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else
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{
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TryBindNull(statement, name);
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}
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}
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public static void TryBind(this IStatement statement, string name, bool? value)
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{
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if (value.HasValue)
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{
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TryBind(statement, name, value.Value);
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}
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else
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{
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TryBindNull(statement, name);
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}
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}
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public static IEnumerable<IReadOnlyList<IResultSetValue>> ExecuteQuery(
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this IStatement This)
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{
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while (This.MoveNext())
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{
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yield return This.Current;
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}
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}
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}
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}
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