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mssql funktioniert jetzt

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Kuro 2025-03-05 21:24:52 +01:00
parent 0bc404c6c1
commit 8983561a2b
1 changed files with 15 additions and 5 deletions
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18
ProgrammList/sql/Mssql.cs
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@ -1,8 +1,6 @@
 
using Microsoft.Data.SqlClient; using Microsoft.Data.SqlClient;
using MySql.Data.MySqlClient;
using static System.Runtime.InteropServices.JavaScript.JSType;
namespace ProgrammList.sql { namespace ProgrammList.sql {
internal class Mssql { internal class Mssql {
@ -66,11 +64,23 @@ namespace ProgrammList.sql {
internal void checkTableExists() { internal void checkTableExists() {
Open(); Open();
var command = Connection.CreateCommand(); var command = Connection.CreateCommand();
command.CommandText = "IF OBJECT_ID('list', 'U') IS NOT NULL BEGIN PRINT '0' END ELSE BEGIN PRINT '1' END"; command.CommandText = "select case when exists (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'prgmlist' AND TABLE_NAME = 'list') then 1 else 0 end";
var returncode = command.ExecuteScalar(); var returncode = command.ExecuteScalar();
if (returncode != null && returncode.ToString() == "1") { if (returncode != null) {
int rc;
bool convertingResult = Int32.TryParse(returncode.ToString(), out rc);
if (!convertingResult) {
throw new FormatException();
}
if (rc > 0) {
Console.WriteLine("Creating table..."); Console.WriteLine("Creating table...");
} }
else {
return;
}
}
var cols = string.Join(" VARCHAR(255),", valuenames); var cols = string.Join(" VARCHAR(255),", valuenames);
cols = cols + " Varchar(255)"; cols = cols + " Varchar(255)";
command.CommandText = "CREATE TABLE list (" + cols + ")"; command.CommandText = "CREATE TABLE list (" + cols + ")";