Fix build after merge
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@@ -1,38 +1,43 @@
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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 System.Data.Common;
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using System.Data.SqlClient;
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using System.Linq;
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using NPoco;
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using Umbraco.Cms.Core;
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using Umbraco.Cms.Infrastructure.Persistence;
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namespace Umbraco.Extensions
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{
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/// <summary>
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/// Provides extension methods to NPoco Database class.
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/// Provides extension methods to NPoco Database class.
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/// </summary>
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public static partial class NPocoDatabaseExtensions
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{
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/// <summary>
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/// Configures NPoco's SqlBulkCopyHelper to use the correct SqlConnection and SqlTransaction instances from the underlying RetryDbConnection and ProfiledDbTransaction
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/// Configures NPoco's SqlBulkCopyHelper to use the correct SqlConnection and SqlTransaction instances from the
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/// underlying RetryDbConnection and ProfiledDbTransaction
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/// </summary>
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/// <remarks>
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/// This is required to use NPoco's own <see cref="Database.InsertBulk{T}(IEnumerable{T})" /> method because we use wrapped DbConnection and DbTransaction instances.
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/// NPoco's InsertBulk method only caters for efficient bulk inserting records for Sql Server, it does not cater for bulk inserting of records for
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/// any other database type and in which case will just insert records one at a time.
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/// NPoco's InsertBulk method also deals with updating the passed in entity's PK/ID once it's inserted whereas our own BulkInsertRecords methods
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/// do not handle this scenario.
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/// This is required to use NPoco's own <see cref="Database.InsertBulk{T}(IEnumerable{T})" /> method because we use
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/// wrapped DbConnection and DbTransaction instances.
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/// NPoco's InsertBulk method only caters for efficient bulk inserting records for Sql Server, it does not cater for
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/// bulk inserting of records for
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/// any other database type and in which case will just insert records one at a time.
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/// NPoco's InsertBulk method also deals with updating the passed in entity's PK/ID once it's inserted whereas our own
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/// BulkInsertRecords methods
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/// do not handle this scenario.
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/// </remarks>
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public static void ConfigureNPocoBulkExtensions()
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{
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SqlBulkCopyHelper.SqlConnectionResolver = dbConn => GetTypedConnection<SqlConnection>(dbConn);
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SqlBulkCopyHelper.SqlTransactionResolver = dbTran => GetTypedTransaction<SqlTransaction>(dbTran);
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}
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/// <summary>
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/// Creates bulk-insert commands.
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/// Creates bulk-insert commands.
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/// </summary>
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/// <typeparam name="T">The type of the records.</typeparam>
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/// <param name="database">The database.</param>
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@@ -40,17 +45,22 @@ namespace Umbraco.Extensions
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/// <returns>The sql commands to execute.</returns>
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internal static IDbCommand[] GenerateBulkInsertCommands<T>(this IUmbracoDatabase database, T[] records)
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{
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if (database?.Connection == null) throw new ArgumentException("Null database?.connection.", nameof(database));
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if (database?.Connection == null)
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{
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throw new ArgumentException("Null database?.connection.", nameof(database));
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}
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var pocoData = database.PocoDataFactory.ForType(typeof(T));
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PocoData pocoData = database.PocoDataFactory.ForType(typeof(T));
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// get columns to include, = number of parameters per row
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var columns = pocoData.Columns.Where(c => IncludeColumn(pocoData, c)).ToArray();
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KeyValuePair<string, PocoColumn>[] columns =
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pocoData.Columns.Where(c => IncludeColumn(pocoData, c)).ToArray();
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var paramsPerRecord = columns.Length;
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// format columns to sql
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var tableName = database.DatabaseType.EscapeTableName(pocoData.TableInfo.TableName);
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var columnNames = string.Join(", ", columns.Select(c => tableName + "." + database.DatabaseType.EscapeSqlIdentifier(c.Key)));
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var columnNames = string.Join(", ",
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columns.Select(c => tableName + "." + database.DatabaseType.EscapeSqlIdentifier(c.Key)));
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// example:
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// assume 4168 records, each record containing 8 fields, ie 8 command parameters
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@@ -58,7 +68,9 @@ namespace Umbraco.Extensions
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// Math.Floor(2100 / 8) = 262 record per command
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// 4168 / 262 = 15.908... = there will be 16 command in total
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// (if we have disabled db parameters, then all records will be included, in only one command)
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var recordsPerCommand = paramsPerRecord == 0 ? int.MaxValue : Convert.ToInt32(Math.Floor(2000.00 / paramsPerRecord));
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var recordsPerCommand = paramsPerRecord == 0
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? int.MaxValue
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: Convert.ToInt32(Math.Floor((double)Constants.Sql.MaxParameterCount / paramsPerRecord));
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var commandsCount = Convert.ToInt32(Math.Ceiling((double)records.Length / recordsPerCommand));
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var commands = new IDbCommand[commandsCount];
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@@ -67,23 +79,27 @@ namespace Umbraco.Extensions
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var prefix = database.DatabaseType.GetParameterPrefix(database.ConnectionString);
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for (var commandIndex = 0; commandIndex < commandsCount; commandIndex++)
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{
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var command = database.CreateCommand(database.Connection, CommandType.Text, string.Empty);
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DbCommand command = database.CreateCommand(database.Connection, CommandType.Text, string.Empty);
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var parameterIndex = 0;
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var commandRecords = Math.Min(recordsPerCommand, recordsLeftToInsert);
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var recordsValues = new string[commandRecords];
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for (var commandRecordIndex = 0; commandRecordIndex < commandRecords; commandRecordIndex++, recordsIndex++, recordsLeftToInsert--)
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for (var commandRecordIndex = 0;
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commandRecordIndex < commandRecords;
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commandRecordIndex++, recordsIndex++, recordsLeftToInsert--)
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{
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var record = records[recordsIndex];
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T record = records[recordsIndex];
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var recordValues = new string[columns.Length];
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for (var columnIndex = 0; columnIndex < columns.Length; columnIndex++)
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{
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database.AddParameter(command, columns[columnIndex].Value.GetValue(record));
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recordValues[columnIndex] = prefix + parameterIndex++;
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}
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recordsValues[commandRecordIndex] = "(" + string.Join(",", recordValues) + ")";
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}
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command.CommandText = $"INSERT INTO {tableName} ({columnNames}) VALUES {string.Join(", ", recordsValues)}";
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command.CommandText =
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$"INSERT INTO {tableName} ({columnNames}) VALUES {string.Join(", ", recordsValues)}";
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commands[commandIndex] = command;
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}
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@@ -91,19 +107,14 @@ namespace Umbraco.Extensions
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}
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/// <summary>
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/// Determines whether a column should be part of a bulk-insert.
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/// Determines whether a column should be part of a bulk-insert.
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/// </summary>
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/// <param name="pocoData">The PocoData object corresponding to the record's type.</param>
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/// <param name="column">The column.</param>
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/// <returns>A value indicating whether the column should be part of the bulk-insert.</returns>
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/// <remarks>Columns that are primary keys and auto-incremental, or result columns, are excluded from bulk-inserts.</remarks>
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public static bool IncludeColumn(PocoData pocoData, KeyValuePair<string, PocoColumn> column)
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{
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return column.Value.ResultColumn == false
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&& (pocoData.TableInfo.AutoIncrement == false || column.Key != pocoData.TableInfo.PrimaryKey);
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}
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public static bool IncludeColumn(PocoData pocoData, KeyValuePair<string, PocoColumn> column) =>
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column.Value.ResultColumn == false
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&& (pocoData.TableInfo.AutoIncrement == false || column.Key != pocoData.TableInfo.PrimaryKey);
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}
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}
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