59 lines
3.0 KiB
C#
59 lines
3.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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namespace ServerPartTransmission.Common
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{
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public class CreateTableHelper
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{
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/// <summary>
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/// 创建服务区分表
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/// </summary>
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/// <param name="oracleHelper">数据库连接类</param>
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/// <param name="ownerName">表所有者名称</param>
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/// <param name="tableName">主表名称</param>
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/// <param name="indexNamePrefix">索引前缀</param>
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/// <param name="serverPartCodeList">服务区编码列表</param>
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/// <param name="tableIndexColumnList">索引字段列表</param>
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/// <returns></returns>
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public static bool CreateTable(OracleHelper oracleHelper, string ownerName, string tableName,
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string indexNamePrefix, List<string> serverPartCodeList, List<string> tableIndexColumnList)
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{
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if (oracleHelper == null || string.IsNullOrWhiteSpace(ownerName) ||
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string.IsNullOrWhiteSpace(tableName) || string.IsNullOrWhiteSpace(indexNamePrefix) ||
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serverPartCodeList.Count == 0 || tableIndexColumnList.Count == 0)
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{
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return false;
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}
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System.Data.DataTable _ConstraintTable = oracleHelper.ExcuteSqlGetDataSet(
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$@"SELECT A.OWNER,A.TABLE_NAME,A.CONSTRAINT_NAME,
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CASE A.CONSTRAINT_TYPE WHEN 'P' THEN ' PRIMARY KEY (' ELSE ' UNIQUE (' END ||
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WM_CONCAT(B.COLUMN_NAME) || ') USING INDEX' AS COLUMN_NAME
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FROM SYS.ALL_CONSTRAINTS A,SYS.ALL_CONS_COLUMNS B
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WHERE A.OWNER = B.OWNER AND A.TABLE_NAME = B.TABLE_NAME AND
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A.CONSTRAINT_NAME = B.CONSTRAINT_NAME AND A.OWNER = '{ownerName}' AND
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A.TABLE_NAME = '{tableName}' AND A.CONSTRAINT_TYPE IN ('P','U')
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GROUP BY A.OWNER,A.TABLE_NAME,A.CONSTRAINT_NAME,A.CONSTRAINT_TYPE").Tables[0];
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List<string> _SQLList = new List<string>();
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foreach (string _strServerPartCode in serverPartCodeList)
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{
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_SQLList.Add($@"CREATE TABLE {ownerName}.{tableName}_{_strServerPartCode} AS
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SELECT * FROM {ownerName}.{tableName} WHERE 1 = 2 ");
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_SQLList.Add($@"CREATE INDEX {ownerName}.INDEX_{indexNamePrefix}_{_strServerPartCode}
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ON {ownerName}.{tableName}_{_strServerPartCode} ( {string.Join(",", tableIndexColumnList.ToArray())} )");
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foreach (System.Data.DataRow _DataRow in _ConstraintTable.Rows)
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{
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_SQLList.Add($@"ALTER TABLE {ownerName}.{tableName}_{_strServerPartCode}
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ADD CONSTRAINT {_DataRow["CONSTRAINT_NAME"].ToString()}_{_strServerPartCode}
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{_DataRow["COLUMN_NAME"].ToString()} ");
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}
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}
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if (_SQLList.Count > 0)
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{
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oracleHelper.ExecuteSqlTran(_SQLList);
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}
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return true;
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}
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}
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} |