/// <summary> /// Gets the cached command text for the 'MergeAll' operation. /// </summary> /// <param name="request">The request object.</param> /// <returns>The cached command text.</returns> internal static string GetMergeAllText(MergeAllRequest request) { if (cache.TryGetValue(request, out var commandText) == false) { var fields = GetActualFields(request.Connection, request.Name, request.Fields, request.Transaction); commandText = GetMergeAllTextInternal(request, fields); cache.TryAdd(request, commandText); } return(commandText); }
/// <summary> /// /// </summary> /// <param name="request"></param> /// <param name="fields"></param> /// <returns></returns> private static string GetMergeAllTextInternal(MergeAllRequest request, IEnumerable <Field> fields) { var statementBuilder = EnsureStatementBuilder(request.Connection, request.StatementBuilder); var primaryField = GetPrimaryField(request); var identityField = GetIdentityField(request); return(statementBuilder.CreateMergeAll(new QueryBuilder(), request.Name, fields, request.Qualifiers, request.BatchSize, primaryField, identityField, request.Hints)); }
/// <summary> /// /// </summary> /// <param name="request"></param> /// <param name="cancellationToken"></param> /// <returns></returns> internal static async Task <string> GetMergeAllTextAsync(MergeAllRequest request, CancellationToken cancellationToken = default) { if (cache.TryGetValue(request, out var commandText) == false) { var fields = await GetActualFieldsAsync(request.Connection, request.Name, request.Fields, request.Transaction, cancellationToken); commandText = GetMergeAllTextInternal(request, fields); cache.TryAdd(request, commandText); } return(commandText); }
/// <summary> /// Gets a command text from the cache for the merge-all operation. /// </summary> /// <param name="request">The request object.</param> /// <returns>The cached command text.</returns> internal static string GetMergeAllText(MergeAllRequest request) { var commandText = (string)null; if (m_cache.TryGetValue(request, out commandText) == false) { var statementBuilder = EnsureStatementBuilder(request.Connection, request.StatementBuilder); var fields = GetActualFields(request.Connection, request.Name, request.Fields, request.Transaction); var primaryField = GetPrimaryField(request); var identityField = GetIdentityField(request); commandText = statementBuilder.CreateMergeAll(new QueryBuilder(), request.Name, fields, request.Qualifiers, request.BatchSize, primaryField, identityField); m_cache.TryAdd(request, commandText); } return(commandText); }
/// <summary> /// /// </summary> /// <typeparam name="TEntity"></typeparam> /// <param name="connection"></param> /// <param name="entities"></param> /// <param name="tableName"></param> /// <param name="qualifiers"></param> /// <param name="batchSize"></param> /// <param name="fields"></param> /// <param name="hints"></param> /// <param name="transaction"></param> /// <param name="statementBuilder"></param> /// <returns></returns> public static MergeAllExecutionContext <TEntity> Create <TEntity>(IDbConnection connection, IEnumerable <TEntity> entities, string tableName, IEnumerable <Field> qualifiers, int batchSize, IEnumerable <Field> fields, string hints = null, IDbTransaction transaction = null, IStatementBuilder statementBuilder = null) where TEntity : class { var key = GetKey <TEntity>(tableName, qualifiers, fields, batchSize, hints); // Get from cache var context = MergeAllExecutionContextCache.Get <TEntity>(key); if (context != null) { return(context); } // Create var dbFields = DbFieldCache.Get(connection, tableName, transaction); var commandText = (string)null; // Create a different kind of requests if (batchSize > 1) { var request = new MergeAllRequest(tableName, connection, transaction, fields, qualifiers, batchSize, hints, statementBuilder); commandText = CommandTextCache.GetMergeAllText(request); } else { var request = new MergeRequest(tableName, connection, transaction, fields, qualifiers, hints, statementBuilder); commandText = CommandTextCache.GetMergeText(request); } // Call context = CreateInternal <TEntity>(connection, entities, dbFields, tableName, qualifiers, batchSize, fields, commandText); // Add to cache MergeAllExecutionContextCache.Add <TEntity>(key, context); // Return return(context); }
/// <summary> /// /// </summary> /// <param name="entityType"></param> /// <param name="connection"></param> /// <param name="entities"></param> /// <param name="tableName"></param> /// <param name="qualifiers"></param> /// <param name="batchSize"></param> /// <param name="fields"></param> /// <param name="hints"></param> /// <param name="transaction"></param> /// <param name="statementBuilder"></param> /// <param name="cancellationToken"></param> /// <returns></returns> public static async Task <MergeAllExecutionContext> CreateAsync(Type entityType, IDbConnection connection, IEnumerable <object> entities, string tableName, IEnumerable <Field> qualifiers, int batchSize, IEnumerable <Field> fields, string hints = null, IDbTransaction transaction = null, IStatementBuilder statementBuilder = null, CancellationToken cancellationToken = default) { var key = GetKey(entityType, tableName, qualifiers, fields, batchSize, hints); // Get from cache var context = MergeAllExecutionContextCache.Get(key); if (context != null) { return(context); } // Create var dbFields = await DbFieldCache.GetAsync(connection, tableName, transaction, cancellationToken); var commandText = (string)null; // Create a different kind of requests if (batchSize > 1) { var request = new MergeAllRequest(tableName, connection, transaction, fields, qualifiers, batchSize, hints, statementBuilder); commandText = await CommandTextCache.GetMergeAllTextAsync(request, cancellationToken); } else { var request = new MergeRequest(tableName, connection, transaction, fields, qualifiers, hints, statementBuilder); commandText = await CommandTextCache.GetMergeTextAsync(request, cancellationToken); } // Call context = CreateInternal(entityType, connection, entities, dbFields, tableName, qualifiers, batchSize, fields, commandText); // Add to cache MergeAllExecutionContextCache.Add(key, context); // Return return(context); }
/// <summary> /// /// </summary> /// <typeparam name="TEntity"></typeparam> /// <param name="connection"></param> /// <param name="entities"></param> /// <param name="dbFields"></param> /// <param name="tableName"></param> /// <param name="qualifiers"></param> /// <param name="batchSize"></param> /// <param name="fields"></param> /// <param name="hints"></param> /// <param name="transaction"></param> /// <param name="statementBuilder"></param> /// <returns></returns> private static MergeAllExecutionContext <TEntity> CreateInternal <TEntity>(IDbConnection connection, IEnumerable <TEntity> entities, IEnumerable <DbField> dbFields, string tableName, IEnumerable <Field> qualifiers, int batchSize, IEnumerable <Field> fields, string hints = null, IDbTransaction transaction = null, IStatementBuilder statementBuilder = null) where TEntity : class { var typeOfEntity = typeof(TEntity); var dbSetting = connection.GetDbSetting(); var identity = (Field)null; var inputFields = (IEnumerable <DbField>)null; var identityDbField = dbFields?.FirstOrDefault(f => f.IsIdentity); // Check the fields if (fields?.Any() != true) { fields = dbFields?.AsFields(); } // Check the qualifiers if (qualifiers?.Any() != true) { var primary = dbFields?.FirstOrDefault(dbField => dbField.IsPrimary == true); qualifiers = primary?.AsField().AsEnumerable(); } // Set the identity field if (typeOfEntity.IsClassType()) { identity = IdentityCache.Get <TEntity>()?.AsField() ?? FieldCache .Get <TEntity>()? .FirstOrDefault(field => string.Equals(field.Name.AsUnquoted(true, dbSetting), identityDbField?.Name.AsUnquoted(true, dbSetting), StringComparison.OrdinalIgnoreCase)) ?? identityDbField?.AsField(); } // Filter the actual properties for input fields inputFields = dbFields? .Where(dbField => fields.FirstOrDefault(field => string.Equals(field.Name.AsUnquoted(true, dbSetting), dbField.Name.AsUnquoted(true, dbSetting), StringComparison.OrdinalIgnoreCase)) != null) .AsList(); // Exclude the fields not on the actual entity if (typeof(TEntity).IsClassType() == false) { var entityFields = Field.Parse(entities?.FirstOrDefault()); inputFields = inputFields? .Where(field => entityFields.FirstOrDefault(f => string.Equals(f.Name.AsUnquoted(true, dbSetting), field.Name.AsUnquoted(true, dbSetting), StringComparison.OrdinalIgnoreCase)) != null) .AsList(); } // Variables for the context var multipleEntitiesFunc = (Action <DbCommand, IList <TEntity> >)null; var singleEntityFunc = (Action <DbCommand, TEntity>)null; var identitySetterFunc = (Action <TEntity, object>)null; // Get if we have not skipped it if (typeOfEntity.IsClassType() == true && identity != null) { identitySetterFunc = FunctionCache.GetDataEntityPropertySetterCompiledFunction <TEntity>(identity); } // Identity which objects to set if (batchSize <= 1) { singleEntityFunc = FunctionCache.GetDataEntityDbParameterSetterCompiledFunction <TEntity>( string.Concat(typeof(TEntity).FullName, StringConstant.Period, tableName, ".MergeAll"), inputFields?.AsList(), null, dbSetting); } else { multipleEntitiesFunc = FunctionCache.GetDataEntityListDbParameterSetterCompiledFunction <TEntity>( string.Concat(typeof(TEntity).FullName, StringConstant.Period, tableName, ".MergeAll"), inputFields?.AsList(), null, batchSize, dbSetting); } // Identify the requests var mergeAllRequest = (MergeAllRequest)null; var mergeRequest = (MergeRequest)null; // Create a different kind of requests if (batchSize > 1) { mergeAllRequest = new MergeAllRequest(tableName, connection, transaction, fields, qualifiers, batchSize, hints, statementBuilder); } else { mergeRequest = new MergeRequest(tableName, connection, transaction, fields, qualifiers, hints, statementBuilder); } // Return the value return(new MergeAllExecutionContext <TEntity> { CommandText = batchSize > 1 ? CommandTextCache.GetMergeAllText(mergeAllRequest) : CommandTextCache.GetMergeText(mergeRequest), InputFields = inputFields, BatchSize = batchSize, SingleDataEntityParametersSetterFunc = singleEntityFunc, MultipleDataEntitiesParametersSetterFunc = multipleEntitiesFunc, IdentityPropertySetterFunc = identitySetterFunc }); }