Monthly Archives: März 2024

SQL Server Datenbank Design -> Kroki ER Diagramm

https://kroki.io/examples.html#erd

DECLARE @FlatTable TABLE
(
    TableName NVARCHAR(128),
    ColumnName NVARCHAR(128),
    DataType NVARCHAR(128),
    [MaxLength] INT,
    [Precision] INT,
    Scale INT,
    Nullable BIT,
    [Identity] BIT,
    PrimaryKey BIT,
    ForeignKeyName NVARCHAR(128),
    ParentTable NVARCHAR(128),
    ParentColumn NVARCHAR(128),
    ReferencedTable NVARCHAR(128),
    ReferencedColumn NVARCHAR(128)
);


INSERT INTO @FlatTable
SELECT tbl.[name] AS [TableName],
       col.[name] AS [ColumnName],
       ty.[name] AS [DataType],
       col.[max_length] AS [MaxLength],
       col.[precision] AS [Precision],
       col.[scale] AS [Scale],
       col.[is_nullable] AS [Nullable],
       col.[is_identity] AS [Identity],
       CONVERT(BIT, IIF(pkcol.index_id IS NOT NULL, 1, 0)) AS [PrimaryKey],
       fk.name AS ForeignKeyName,
       OBJECT_NAME(fk.parent_object_id) AS ParentTable,
       COL_NAME(fkc.parent_object_id, fkc.parent_column_id) AS ParentColumn,
       OBJECT_NAME(fk.referenced_object_id) AS ReferencedTable,
       COL_NAME(fkc.referenced_object_id, fkc.referenced_column_id) AS ReferencedColumn
FROM       sys.tables tbl
INNER JOIN sys.columns col
        ON col.[object_id] = tbl.[object_id]
INNER JOIN sys.types ty
        ON ty.[user_type_id] = col.[user_type_id] -- do not use system_type_id
LEFT JOIN (
           SELECT ind.[object_id] AS [table_object_id], ind.[index_id], ind.[column_id]
           FROM   sys.index_columns ind
           INNER JOIN sys.key_constraints pks
                   ON pks.[parent_object_id] = ind.[object_id]
                  AND pks.[unique_index_id] = ind.[index_id]
           WHERE  pks.[type] = 'PK'
          ) pkcol
       ON pkcol.[table_object_id] = tbl.[object_id]
      AND pkcol.[column_id] = col.[column_id]
LEFT JOIN 
    sys.foreign_key_columns fkc ON tbl.object_id = fkc.parent_object_id AND col.column_id = fkc.parent_column_id
LEFT JOIN 
    sys.foreign_keys fk ON fkc.constraint_object_id = fk.object_id 


WHERE 1=1
--  tbl.name does not start with __
AND tbl.name != '__RefactorLog'


ORDER BY tbl.[name], CONVERT(BIT, IIF(pkcol.index_id IS NOT NULL, 1, 0)) DESC, fk.name DESC, col.[name];


DECLARE @StuffedTable TABLE (TableName NVARCHAR(128), Columns NVARCHAR(MAX))
INSERT INTO @StuffedTable


SELECT 
    TableName,
STUFF
(
    (
        SELECT ',' + 
        CASE 
            WHEN PrimaryKey = 1 THEN '*' 
            WHEN ForeignKeyName IS NOT NULL THEN '+'            
            ELSE '' END +
        
        ColumnName + ' ' + [DataType] +
CASE 
WHEN [DataType] IN ('varchar','nvarchar') THEN ' (' + REPLACE(CONVERT(VARCHAR, [MaxLength]), '-1', 'max') + ')'
WHEN [DataType] = 'decimal' THEN ' (' + CONVERT(VARCHAR, [Precision]) + ',' + CONVERT(VARCHAR, [Scale]) + ')'
ELSE '' END


        FROM @FlatTable As T2
        WHERE T2.TableName = T1.TableName
        
        FOR XML PATH (''), TYPE
    ).value('.', 'nvarchar(max)')
, 1, 1, '') + ','


AS [Columns]
FROM @FlatTable As T1
GROUP BY TableName




DECLARE @ResultString NVARCHAR(MAX) = 
(SELECT 
STUFF
(
    (
        SELECT ',' + 
        '[' + TableName + ']' + ',' +
        Columns
        FROM @StuffedTable As T2        
        
        FOR XML PATH (''), TYPE
    ).value('.', 'nvarchar(max)')
, 1, 1, ''))


PRINT  
'```kroki' + CHAR(13) + CHAR(10) + 
'erd' + CHAR(13) + CHAR(10) + 
REPLACE(@ResultString, ',', CHAR(13) + CHAR(10))
+ '```' + CHAR(13) + CHAR(10)

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DECLARE @FlatTable TABLE

(

TableName NVARCHAR(128),

ColumnName NVARCHAR(128),

DataType NVARCHAR(128),

[MaxLength] INT,

[Precision] INT,

Scale INT,

Nullable BIT,

[Identity] BIT,

PrimaryKey BIT,

ForeignKeyName NVARCHAR(128),

ParentTable NVARCHAR(128),

ParentColumn NVARCHAR(128),

ReferencedTable NVARCHAR(128),

ReferencedColumn NVARCHAR(128)

);

INSERT INTO @FlatTable

SELECT tbl.[name] AS [TableName],

col.[name] AS [ColumnName],

ty.[name] AS [DataType],

col.[max_length] AS [MaxLength],

col.[precision] AS [Precision],

col.[scale] AS [Scale],

col.[is_nullable] AS [Nullable],

col.[is_identity] AS [Identity],

CONVERT(BIT, IIF(pkcol.index_id IS NOT NULL, 1, 0)) AS [PrimaryKey],

fk.name AS ForeignKeyName,

OBJECT_NAME(fk.parent_object_id) AS ParentTable,

COL_NAME(fkc.parent_object_id, fkc.parent_column_id) AS ParentColumn,

OBJECT_NAME(fk.referenced_object_id) AS ReferencedTable,

COL_NAME(fkc.referenced_object_id, fkc.referenced_column_id) AS ReferencedColumn

FROM sys.tables tbl

INNER JOIN sys.columns col

ON col.[object_id] = tbl.[object_id]

INNER JOIN sys.types ty

ON ty.[user_type_id] = col.[user_type_id] -- do not use system_type_id

LEFT JOIN (

SELECT ind.[object_id] AS [table_object_id], ind.[index_id], ind.[column_id]

FROM sys.index_columns ind

INNER JOIN sys.key_constraints pks

ON pks.[parent_object_id] = ind.[object_id]

AND pks.[unique_index_id] = ind.[index_id]

WHERE pks.[type] = 'PK'

) pkcol

ON pkcol.[table_object_id] = tbl.[object_id]

AND pkcol.[column_id] = col.[column_id]

LEFT JOIN

sys.foreign_key_columns fkc ON tbl.object_id = fkc.parent_object_id AND col.column_id = fkc.parent_column_id

LEFT JOIN

sys.foreign_keys fk ON fkc.constraint_object_id = fk.object_id

WHERE 1=1

-- tbl.name does not start with __

AND tbl.name != '__RefactorLog'

ORDER BY tbl.[name], CONVERT(BIT, IIF(pkcol.index_id IS NOT NULL, 1, 0)) DESC, fk.name DESC, col.[name];

DECLARE @StuffedTable TABLE (TableName NVARCHAR(128), Columns NVARCHAR(MAX))

INSERT INTO @StuffedTable

SELECT

TableName,

STUFF

(

SELECT ',' +

CASE

WHEN PrimaryKey = 1 THEN '*'

WHEN ForeignKeyName IS NOT NULL THEN '+'

ELSE '' END +

ColumnName + ' ' + [DataType] +

CASE

WHEN [DataType] IN ('varchar','nvarchar') THEN ' (' + REPLACE(CONVERT(VARCHAR, [MaxLength]), '-1', 'max') + ')'

WHEN [DataType] = 'decimal' THEN ' (' + CONVERT(VARCHAR, [Precision]) + ',' + CONVERT(VARCHAR, [Scale]) + ')'

ELSE '' END

FROM @FlatTable As T2

WHERE T2.TableName = T1.TableName

FOR XML PATH (''), TYPE

).value('.', 'nvarchar(max)')

, 1, 1, '') + ','

AS [Columns]

FROM @FlatTable As T1

GROUP BY TableName

DECLARE @ResultString NVARCHAR(MAX) =

(SELECT

STUFF

(

SELECT ',' +

'[' + TableName + ']' + ',' +

Columns

FROM @StuffedTable As T2

FOR XML PATH (''), TYPE

).value('.', 'nvarchar(max)')

, 1, 1, ''))

'```kroki' + CHAR(13) + CHAR(10) +

'erd' + CHAR(13) + CHAR(10) +

REPLACE(@ResultString, ',', CHAR(13) + CHAR(10))

+ '```' + CHAR(13) + CHAR(10)

Posted on 18. März 2024 by Andreas in SQL

SQL Query um Tabellen und Spalten auszulesen inkl. PK und FK

SELECT tbl.[name] AS [TableName],
       col.[name] AS [ColumnName],
       ty.[name] AS [DataType],
       col.[max_length] AS [MaxLength],
       col.[precision] AS [Precision],
       col.[scale] AS [Scale],
       col.[is_nullable] AS [Nullable],
       col.[is_identity] AS [Identity],
       CONVERT(BIT, IIF(pkcol.index_id IS NOT NULL, 1, 0)) AS [PrimaryKey],
       fk.name AS ForeignKeyName,
       OBJECT_NAME(fk.parent_object_id) AS ParentTable,
       COL_NAME(fkc.parent_object_id, fkc.parent_column_id) AS ParentColumn,
       OBJECT_NAME(fk.referenced_object_id) AS ReferencedTable,
       COL_NAME(fkc.referenced_object_id, fkc.referenced_column_id) AS ReferencedColumn
FROM       sys.tables tbl
INNER JOIN sys.columns col
        ON col.[object_id] = tbl.[object_id]
INNER JOIN sys.types ty
        ON ty.[user_type_id] = col.[user_type_id] -- do not use system_type_id
LEFT JOIN (
           SELECT ind.[object_id] AS [table_object_id], ind.[index_id], ind.[column_id]
           FROM   sys.index_columns ind
           INNER JOIN sys.key_constraints pks
                   ON pks.[parent_object_id] = ind.[object_id]
                  AND pks.[unique_index_id] = ind.[index_id]
           WHERE  pks.[type] = 'PK'
          ) pkcol
       ON pkcol.[table_object_id] = tbl.[object_id]
      AND pkcol.[column_id] = col.[column_id]
LEFT JOIN
    sys.foreign_key_columns fkc ON tbl.object_id = fkc.parent_object_id AND col.column_id = fkc.parent_column_id
LEFT JOIN
    sys.foreign_keys fk ON fkc.constraint_object_id = fk.object_id      
ORDER BY tbl.[name], col.[name];

SELECT tbl.[name] AS [TableName],

col.[name] AS [ColumnName],

ty.[name] AS [DataType],

col.[max_length] AS [MaxLength],

col.[precision] AS [Precision],

col.[scale] AS [Scale],

col.[is_nullable] AS [Nullable],

col.[is_identity] AS [Identity],

CONVERT(BIT, IIF(pkcol.index_id IS NOT NULL, 1, 0)) AS [PrimaryKey],

fk.name AS ForeignKeyName,

OBJECT_NAME(fk.parent_object_id) AS ParentTable,

COL_NAME(fkc.parent_object_id, fkc.parent_column_id) AS ParentColumn,

OBJECT_NAME(fk.referenced_object_id) AS ReferencedTable,

COL_NAME(fkc.referenced_object_id, fkc.referenced_column_id) AS ReferencedColumn

FROM sys.tables tbl

INNER JOIN sys.columns col

ON col.[object_id] = tbl.[object_id]

INNER JOIN sys.types ty

ON ty.[user_type_id] = col.[user_type_id] -- do not use system_type_id

LEFT JOIN (

SELECT ind.[object_id] AS [table_object_id], ind.[index_id], ind.[column_id]

FROM sys.index_columns ind

INNER JOIN sys.key_constraints pks

ON pks.[parent_object_id] = ind.[object_id]

AND pks.[unique_index_id] = ind.[index_id]

WHERE pks.[type] = 'PK'

) pkcol

ON pkcol.[table_object_id] = tbl.[object_id]

AND pkcol.[column_id] = col.[column_id]

LEFT JOIN

sys.foreign_key_columns fkc ON tbl.object_id = fkc.parent_object_id AND col.column_id = fkc.parent_column_id

LEFT JOIN

sys.foreign_keys fk ON fkc.constraint_object_id = fk.object_id

ORDER BY tbl.[name], col.[name];

Posted on 18. März 2024 by Andreas in SQL

Host oder Webhost mit Autofac

            /*
             Web:

            var builder = WebApplication.CreateBuilder(args);

            builder.Host.UseServiceProviderFactory(new AutofacServiceProviderFactory());
             */

            var builder = Host.CreateDefaultBuilder()
                              .UseServiceProviderFactory(new AutofacServiceProviderFactory())
                              .ConfigureAppConfiguration((hostContext, config) =>
                              {
                                  config
                                    .SetBasePath(System.IO.Directory.GetCurrentDirectory())
                                    .AddJsonFile($"appsettings.json", optional: true, reloadOnChange: true)
                                    .AddJsonFile($"appsettings.{hostContext.HostingEnvironment.EnvironmentName}.json", optional: true)
                                    .AddJsonFile($"appsettings.{Environment.MachineName}.json", optional: true)
                                    .AddEnvironmentVariables();

                              })
                              .ConfigureServices((hostContext, services) =>
                              {
                                  IConfiguration config = hostContext.Configuration;
                                  Console.WriteLine(config.GetDebugView());

                                  services.AddLogging(b =>
                                  {
                                      b.AddDebug();
                                      b.AddConsole();
                                  });

                                  // Register over IServiceCollection
                              })
                            .ConfigureContainer<ContainerBuilder>(builder =>
                            {
                                builder.RegisterInstance(new LoggerFactory())
                                                        .As<ILoggerFactory>();
                                builder.RegisterGeneric(typeof(Logger<>))
                                                        .As(typeof(ILogger<>))
                                                        .SingleInstance();

                                // Register over Autofac ContainerBuilder
                            });

            App = builder.Build();
            var service = (AutofacServiceProvider)App.Services;
            this.Container = service.LifetimeScope;

            var myService = this.Container.Resolve<MyService>();

Web:

var builder = WebApplication.CreateBuilder(args);

builder.Host.UseServiceProviderFactory(new AutofacServiceProviderFactory());

var builder = Host.CreateDefaultBuilder()

.UseServiceProviderFactory(new AutofacServiceProviderFactory())

.ConfigureAppConfiguration((hostContext, config) =>

{

config

.SetBasePath(System.IO.Directory.GetCurrentDirectory())

.AddJsonFile($"appsettings.json", optional: true, reloadOnChange: true)

.AddJsonFile($"appsettings.{hostContext.HostingEnvironment.EnvironmentName}.json", optional: true)

.AddJsonFile($"appsettings.{Environment.MachineName}.json", optional: true)

.AddEnvironmentVariables();

})

.ConfigureServices((hostContext, services) =>

{

IConfiguration config = hostContext.Configuration;

Console.WriteLine(config.GetDebugView());

services.AddLogging(b =>

{

b.AddDebug();

b.AddConsole();

});

// Register over IServiceCollection

})

.ConfigureContainer<ContainerBuilder>(builder =>

{

builder.RegisterInstance(new LoggerFactory())

.As<ILoggerFactory>();

builder.RegisterGeneric(typeof(Logger<>))

.As(typeof(ILogger<>))

.SingleInstance();

// Register over Autofac ContainerBuilder

});

App = builder.Build();

var service = (AutofacServiceProvider)App.Services;

this.Container = service.LifetimeScope;

var myService = this.Container.Resolve<MyService>();

Posted on 11. März 2024 by Andreas in C#

Entity Framework EF – Tabellen Models generieren lassen

Alt + T -> “NU” eingeben

scaffold-DbContext "Server=XXX; Database=XXX; user id=sa; password = XXX;TrustServerCertificate=true;" Microsoft.EntityFrameworkCore.SqlServer -OutputDir "Models\XXX" -Context XXXContext -Force -UseDatabaseNames -Tables XXX

1	scaffold-DbContext "Server=XXX; Database=XXX; user id=sa; password = XXX;TrustServerCertificate=true;" Microsoft.EntityFrameworkCore.SqlServer -OutputDir "Models\XXX" -Context XXXContext -Force -UseDatabaseNames -Tables XXX

Posted on 1. März 2024 by Andreas in Allgemein, C#

Denn ich habe kein Gefallen am Tod dessen, der sterben muss, spricht Gott, der Herr. So kehrt denn um, und ihr sollt leben!

Monthly Archives: März 2024

SQL Server Datenbank Design -> Kroki ER Diagramm

SQL Query um Tabellen und Spalten auszulesen inkl. PK und FK

Host oder Webhost mit Autofac

Entity Framework EF – Tabellen Models generieren lassen

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Denn ich habe kein Gefallen am Tod dessen, der sterben muss, spricht Gott, der Herr. So kehrt denn um, und ihr sollt leben!

Monthly Archives: März 2024

SQL Server Datenbank Design -> Kroki ER Diagramm

SQL Query um Tabellen und Spalten auszulesen inkl. PK und FK

Host oder Webhost mit Autofac

Entity Framework EF – Tabellen Models generieren lassen

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