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@ -1,4 +1,4 @@ |
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/* 2021.12.01 */ |
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/* 2021.12.07 */ |
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using Apewer; |
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using System; |
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@ -311,6 +311,39 @@ namespace Apewer.Source |
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} |
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} |
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/// <summary>批量插入,必须在 DataTable 中指定表名,或指定 tableName 参数。</summary>
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/// <exception cref="ArgumentNullException"></exception>
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/// <exception cref="ArgumentException"></exception>
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public void BulkCopy(DataTable table, string tableName = null) |
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{ |
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// 检查 table 参数。
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if (table == null) throw new ArgumentNullException(nameof(table)); |
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if (table.Rows.Count < 1) return; |
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// 检查 tableName 参数。
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if (tableName.IsEmpty()) tableName = table.TableName; |
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if (tableName.IsEmpty()) throw new ArgumentException("未指定表名。"); |
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// 连接数据库。
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var connect = Connect(); |
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if (connect.NotEmpty()) throw new Exception(connect); |
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// 批量插入。
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var bc = null as SqlBulkCopy; |
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try |
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{ |
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bc = new SqlBulkCopy(_db); |
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bc.DestinationTableName = tableName; |
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bc.BatchSize = table.Rows.Count; |
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bc.WriteToServer(table); |
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} |
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catch (Exception ex) |
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{ |
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try { bc.Close(); } catch { } |
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throw ex; |
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} |
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} |
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#endregion
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#region ORM
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@ -566,11 +599,16 @@ COLLATE Chinese_PRC_CI_AS |
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if (structure.Independent && column.Independent) continue; |
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var type = Declaration(column); |
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if (!column.Independent && column.Property.Name == "Key") type = type + " primary key"; |
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if (!column.Independent) |
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{ |
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if (column.PrimaryKey) type = type + " primary key"; |
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if (column.Incremental) type += " identity"; |
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} |
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if (string.IsNullOrEmpty(type)) return TextUtility.Merge("类型 ", column.Type.ToString(), " 不受支持。"); |
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sqlcolumns.Add(type); |
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} |
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if (sqlcolumns.Count < 1) return $"无法对类型 {model.FullName} 创建表:没有定义任何字段。"; |
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var sql = TextUtility.Merge("create table [", structure.Name, "](", string.Join(", ", sqlcolumns.ToArray()), "); "); |
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var execute = Execute(sql); |
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if (execute.Success) return TextUtility.Empty; |
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@ -589,7 +627,15 @@ COLLATE Chinese_PRC_CI_AS |
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if (string.IsNullOrEmpty(table)) table = structure.Name; |
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if (string.IsNullOrEmpty(table)) return "表名称无效。"; |
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var ps = structure.CreateParameters(record, Parameter); |
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// 排除字段。
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var excluded = new List<string>(); |
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foreach (var ca in structure.Columns) |
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{ |
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// 排除不使用 ORM 的属性。
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if (ca.Independent || ca.Incremental) excluded.Add(ca.Field); |
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} |
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var ps = structure.CreateParameters(record, Parameter, excluded); |
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var psc = ps.Length; |
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if (psc < 1) return "数据模型不包含字段。"; |
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@ -625,7 +671,16 @@ COLLATE Chinese_PRC_CI_AS |
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if (string.IsNullOrEmpty(table)) table = structure.Name; |
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if (string.IsNullOrEmpty(table)) return "表名称无效。"; |
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var ps = structure.CreateParameters(record, Parameter, "_key"); |
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// 排除字段。
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var excluded = new List<string>(); |
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if (structure.Key != null) excluded.Add(structure.Key.Field); |
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foreach (var ca in structure.Columns) |
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{ |
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// 排除不使用 ORM 的属性、自增属性和主键属性。
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if (ca.Independent || ca.Incremental || ca.PrimaryKey) excluded.Add(ca.Field); |
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} |
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var ps = structure.CreateParameters(record, Parameter, excluded); |
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var psc = ps.Length; |
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if (psc < 1) return "数据模型不包含字段。"; |
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@ -756,6 +811,9 @@ COLLATE Chinese_PRC_CI_AS |
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var vtype = SqlDbType.BigInt; |
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switch (type) |
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{ |
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case ColumnType.Boolean: |
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vtype = SqlDbType.Bit; |
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break; |
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case ColumnType.Bytes: |
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vtype = SqlDbType.Image; |
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break; |
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@ -853,6 +911,9 @@ COLLATE Chinese_PRC_CI_AS |
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var length = Math.Max(0, vcolumn.Length); |
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switch (vcolumn.Type) |
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{ |
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case ColumnType.Boolean: |
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type = "bit"; |
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break; |
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case ColumnType.Integer: |
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type = "bigint"; |
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break; |
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