mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 20:39:01 +00:00
64 lines
2.5 KiB
C#
64 lines
2.5 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.Text;
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namespace Cosmos.Debug.Common {
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using System;
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using System.Collections.Generic;
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using System.Data.Objects;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Text;
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namespace PKNOA {
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// public class Sql {
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// public readonly SqlConnection Connection;
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// public Sql(string aConnStr) {
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// Connection = new SqlConnection("Data Source=" + aConnStr + @"Integrated Security=True;MultipleActiveResultSets=True");
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// Connection.Open();
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// }
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// public int? SelectOneInt(string aSql) {
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// var xQry = Connection.CreateCommand();
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// xQry.CommandText = aSql;
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// return (int)xQry.ExecuteScalar();
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// }
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// public void Exec(string aSql) {
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// var xQry = Connection.CreateCommand();
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// xQry.CommandText = aSql;
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// xQry.ExecuteNonQuery();
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// }
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// public void MakeUniqueInt(string aTable, string aCol, bool aAllowNulls) {
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// string xIdxName = "Uq_" + aTable + "_" + aCol;
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// if (aAllowNulls) {
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// //http://sqlservercodebook.blogspot.com/2008/04/multiple-null-values-in-unique-index-in.html
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// Exec("ALTER TABLE " + aTable + " ADD " + xIdxName + " AS (CASE WHEN " + aCol + " IS NULL THEN Id * -1 ELSE " + aCol + " END);");
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// // We create index seperately instead of using unique keyword on previous SQL
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// // so we can control name of the index for better identification
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// Exec("CREATE UNIQUE INDEX Idx" + xIdxName + " ON " + aTable + "(" + xIdxName + ");");
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// } else {
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// Exec("CREATE UNIQUE INDEX Idx" + xIdxName + " ON " + aTable + "(" + aCol + ");");
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// }
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// }
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// public void MakeIndex(string aTable, string aCol) {
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// Exec("CREATE INDEX Idx_" + aTable + "_" + aCol + " ON " + aTable + "(" + aCol + ");");
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// }
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// public void MakeUniqueString(string aTable, string aCol, bool aAllowNulls) {
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// string xIdxName = "Uq_" + aTable + "_" + aCol;
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// if (aAllowNulls) {
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// Exec("ALTER TABLE " + aTable + " ADD " + xIdxName + " AS (CASE WHEN " + aCol + " IS NULL THEN 'key-' + CAST([Id] as varchar(10)) ELSE UPPER(RTRIM(LTRIM(" + aCol + "))) END);");
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// Exec("CREATE UNIQUE INDEX Idx" + xIdxName + " ON " + aTable + "(" + xIdxName + ");");
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// } else {
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// Exec("CREATE UNIQUE INDEX Idx" + xIdxName + " ON " + aTable + "(" + aCol + ");");
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// }
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// }
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// }
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}
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}
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