mirror of
https://github.com/danieleteti/delphimvcframework.git
synced 2024-11-16 00:05:53 +01:00
621 lines
18 KiB
ObjectPascal
621 lines
18 KiB
ObjectPascal
// *************************************************************************** }
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//
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// Delphi MVC Framework
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//
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// Copyright (c) 2010-2022 Daniele Teti and the DMVCFramework Team
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//
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// https://github.com/danieleteti/delphimvcframework
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//
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// ***************************************************************************
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// ***************************************************************************
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unit EntitiesU;
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{$RTTI EXPLICIT METHODS([vcPublic, vcPublished]) FIELDS([vcPrivate, vcProtected, vcPublic, vcPublished]) PROPERTIES([vcPublic, vcPublished])}
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interface
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uses
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MVCFramework.Serializer.Commons,
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MVCFramework.ActiveRecord,
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System.Generics.Collections,
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System.Classes,
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FireDAC.Stan.Param,
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MVCFramework.Nullables;
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type
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TCustomEntity = class abstract(TMVCActiveRecord)
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protected
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procedure OnBeforeExecuteSQL(var SQL: string); override;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('articles')]
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TArticle = class(TCustomEntity)
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private
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[MVCTableField('ID', [foPrimaryKey, foAutoGenerated])]
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fID: NullableInt32;
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[MVCTableField('code', [foTransient])]
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fCodice: NullableString;
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[MVCTableField('description')]
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fDescrizione: string;
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[MVCTableField('price')]
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fPrezzo: Currency;
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public
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constructor Create; override;
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destructor Destroy; override;
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property ID: NullableInt32 read fID write fID;
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property Code: NullableString read fCodice write fCodice;
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property Description: string read fDescrizione write fDescrizione;
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property Price: Currency read fPrezzo write fPrezzo;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('articles')]
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TArticleWithWriteOnlyFields = class(TCustomEntity)
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private
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[MVCTableField('ID', [foPrimaryKey, foAutoGenerated, foReadOnly])]
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fID: NullableInt32;
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[MVCTableField('description', [foWriteOnly])]
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fDescrizione: string;
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[MVCTableField('price', [foWriteOnly])]
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fPrice: Integer;
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public
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property ID: NullableInt32 read fID write fID;
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property Description: string read fDescrizione write fDescrizione;
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property Price: Integer read fPrice write fPrice;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('articles')]
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TArticleWithReadOnlyFields = class(TCustomEntity)
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private
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[MVCTableField('ID', [foPrimaryKey, foReadOnly])]
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fID: NullableInt32;
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[MVCTableField('code', [foTransient])]
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fCodice: NullableString;
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[MVCTableField('description', [foReadOnly])]
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fDescrizione: string;
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[MVCTableField('price', [foReadOnly])]
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fPrezzo: Currency;
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public
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property ID: NullableInt32 read fID write fID;
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property Code: NullableString read fCodice write fCodice;
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property Description: string read fDescrizione write fDescrizione;
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property Price: Currency read fPrezzo write fPrezzo;
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end;
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TOrder = class;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers')]
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TCustomer = class(TCustomEntity)
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private
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{$IFNDEF USE_SEQUENCES}
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
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{$ELSE}
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated],
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'SEQ_CUSTOMERS_ID' { required for interbase } )]
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{$ENDIF}
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fID: NullableInt64;
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[MVCTableField('code')]
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fCode: NullableString;
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[MVCTableField('description')]
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fCompanyName: NullableString;
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[MVCTableField('city')]
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fCity: string;
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[MVCTableField('rating')]
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fRating: NullableInt32;
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[MVCTableField('note')]
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fNote: string;
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public
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constructor Create; override;
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destructor Destroy; override;
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function ToString: String; override;
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property ID: NullableInt64 read fID write fID;
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property Code: NullableString read fCode write fCode;
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property CompanyName: NullableString read fCompanyName write fCompanyName;
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property City: string read fCity write fCity;
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property Rating: NullableInt32 read fRating write fRating;
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property Note: string read fNote write fNote;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers')]
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TPartitionedCustomer = class(TCustomEntity)
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private
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
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fID: NullableInt64;
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[MVCTableField('code')]
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fCode: NullableString;
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[MVCTableField('description')]
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fCompanyName: NullableString;
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[MVCTableField('city')]
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fCity: string;
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[MVCTableField('note')]
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fNote: string;
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public
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function ToString: String; override;
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property ID: NullableInt64 read fID write fID;
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property Code: NullableString read fCode write fCode;
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property CompanyName: NullableString read fCompanyName write fCompanyName;
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property City: string read fCity write fCity;
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property Note: string read fNote write fNote;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers', 'ge(Rating,4)')]
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TGoodCustomer = class(TCustomer)
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end;
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[MVCTable('customers')]
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[MVCPartition('rating=(integer)1')]
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TCustomerWithRate1 = class(TPartitionedCustomer)
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end;
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[MVCTable('customers')]
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[MVCPartition('rating=(integer)2')]
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TCustomerWithRate2 = class(TPartitionedCustomer)
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers', 'le(Rating,3)')]
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TBadCustomer = class(TGoodCustomer)
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers')]
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TCustomerWithTransient = class(TCustomEntity)
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private
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{$IFNDEF USE_SEQUENCES}
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
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{$ELSE}
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated],
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'SEQ_CUSTOMERS_ID' { required for interbase } )]
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{$ENDIF}
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fID: Integer;
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[MVCTableField('code', [foTransient])]
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fCode: string;
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fFormattedCode: string;
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[MVCTableField('description')]
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fCompanyName: string;
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[MVCTableField('city')]
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fCity: string;
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procedure SetFormattedCode(const Value: string);
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public
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property ID: Integer read fID write fID;
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property Code: string read fCode write fCode;
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property FormattedCode: string read fFormattedCode write SetFormattedCode;
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property CompanyName: string read fCompanyName write fCompanyName;
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property City: string read fCity write fCity;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('order_details')]
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TOrderDetail = class(TCustomEntity)
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private
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{$IFNDEF USE_SEQUENCES}
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
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{$ELSE}
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated],
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'SEQ_order_details_ID' { required for interbase } )]
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{$ENDIF}
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fID: Integer;
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[MVCTableField('id_order')]
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fOrderID: Integer;
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[MVCTableField('id_article')]
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fArticleID: Integer;
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[MVCTableField('unit_price')]
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fPrice: Currency;
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[MVCTableField('discount')]
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fDiscount: Integer;
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[MVCTableField('quantity')]
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fQuantity: Integer;
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[MVCTableField('description')]
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fDescription: string;
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[MVCTableField('total')]
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fTotal: Currency;
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public
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constructor Create; override;
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destructor Destroy; override;
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property ID: Integer read fID write fID;
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property OrderID: Integer read fOrderID write fOrderID;
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property ArticleID: Integer read fArticleID write fArticleID;
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property Price: Currency read fPrice write fPrice;
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property Discount: Integer read fDiscount write fDiscount;
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property Quantity: Integer read fQuantity write fQuantity;
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property Description: string read fDescription write fDescription;
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property Total: Currency read fTotal write fTotal;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers_plain')]
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TCustomerPlain = class(TCustomEntity)
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private
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[MVCTableField('id', [foPrimaryKey])]
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fID: NullableInt64;
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[MVCTableField('code')]
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fCode: NullableString;
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[MVCTableField('description')]
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fCompanyName: NullableString;
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[MVCTableField('city')]
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fCity: string;
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[MVCTableField('rating')]
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fRating: NullableInt32;
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[MVCTableField('note')]
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fNote: string;
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[MVCTableField('creation_time')]
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FCreationTime: TTime;
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[MVCTableField('creation_date')]
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FCreationDate: TDate;
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public
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property ID: NullableInt64 read fID write fID;
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property Code: NullableString read fCode write fCode;
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property CompanyName: NullableString read fCompanyName write fCompanyName;
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property City: string read fCity write fCity;
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property Rating: NullableInt32 read fRating write fRating;
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property Note: string read fNote write fNote;
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property CreationTime: TTime read FCreationTime write FCreationTime;
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property CreationDate: TDate read FCreationDate write FCreationDate;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers with spaces')]
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TCustomerWithSpaces = class(TCustomEntity)
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private
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[MVCTableField('id with spaces', [foPrimaryKey])]
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fID: NullableInt64;
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[MVCTableField('code with spaces')]
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fCode: NullableString;
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[MVCTableField('description with spaces')]
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fCompanyName: NullableString;
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[MVCTableField('city with spaces')]
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fCity: string;
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[MVCTableField('rating with spaces')]
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fRating: NullableInt32;
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[MVCTableField('note with spaces')]
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fNote: string;
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public
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property ID: NullableInt64 read fID write fID;
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property Code: NullableString read fCode write fCode;
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property CompanyName: NullableString read fCompanyName write fCompanyName;
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property City: string read fCity write fCity;
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property Rating: NullableInt32 read fRating write fRating;
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property Note: string read fNote write fNote;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers_with_code')]
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TCustomerWithCode = class(TCustomEntity)
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private
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[MVCTableField('code', [foPrimaryKey])]
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fCode: NullableString;
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[MVCTableField('description')]
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fCompanyName: NullableString;
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[MVCTableField('city')]
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fCity: string;
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[MVCTableField('rating')]
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fRating: NullableInt32;
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[MVCTableField('note')]
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fNote: string;
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public
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property Code: NullableString read fCode write fCode;
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property CompanyName: NullableString read fCompanyName write fCompanyName;
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property City: string read fCity write fCity;
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property Rating: NullableInt32 read fRating write fRating;
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property Note: string read fNote write fNote;
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end;
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[MVCTable('customers_with_code')]
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TCustomerPlainWithClientPK = class(TCustomerWithCode)
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protected
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procedure OnBeforeInsert; override;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('orders')]
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TOrder = class(TCustomEntity)
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private
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{$IFNDEF USE_SEQUENCES}
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
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{$ELSE}
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated],
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'SEQ_ORDERS_ID' { required for interbase } )]
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{$ENDIF}
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fID: Integer;
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[MVCTableField('id_customer')]
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fCustomerID: Integer;
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[MVCTableField('order_date')]
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fOrderDate: TDate;
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[MVCTableField('total')]
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fTotal: Currency;
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public
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constructor Create; override;
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destructor Destroy; override;
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property ID: Integer read fID write fID;
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property CustomerID: Integer read fCustomerID write fCustomerID;
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property OrderDate: TDate read fOrderDate write fOrderDate;
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property Total: Currency read fTotal write fTotal;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers')]
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TCustomerEx = class(TCustomer)
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private
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fOrders: TObjectList<TOrder>;
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function GetOrders: TObjectList<TOrder>;
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protected
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procedure OnAfterLoad; override;
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procedure OnAfterInsert; override;
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public
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destructor Destroy; override;
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property Orders: TObjectList<TOrder> read GetOrders;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('customers')]
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TCustomerWithLogic = class(TCustomer)
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private
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fIsLocatedInRome: Boolean;
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protected
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procedure OnAfterLoad; override;
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procedure OnBeforeInsertOrUpdate; override;
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procedure OnValidation(const Action: TMVCEntityAction); override;
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public
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property IsLocatedInRome: Boolean read fIsLocatedInRome;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('nullables_test')]
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TNullablesTest = class(TCustomEntity)
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private
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[MVCTableField('f_int2')]
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ff_int2: NullableInt16;
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[MVCTableField('f_int4')]
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ff_int4: NullableInt32;
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[MVCTableField('f_int8')]
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ff_int8: NullableInt64;
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[MVCTableField('f_date')]
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ff_date: NullableTDate;
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[MVCTableField('f_time')]
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ff_time: NullableTTime;
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[MVCTableField('f_bool')]
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ff_bool: NullableBoolean;
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[MVCTableField('f_datetime')]
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ff_datetime: NullableTDateTime;
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[MVCTableField('f_float4')]
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ff_float4: NullableSingle;
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[MVCTableField('f_float8')]
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ff_float8: NullableDouble;
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[MVCTableField('f_string')]
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ff_string: NullableString;
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[MVCTableField('f_currency')]
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ff_currency: NullableCurrency;
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[MVCTableField('f_blob')]
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ff_blob: TStream;
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public
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constructor Create; override;
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destructor Destroy; override;
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// f_int2 int2 NULL,
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property f_int2: NullableInt16 read ff_int2 write ff_int2;
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// f_int4 int4 NULL,
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property f_int4: NullableInt32 read ff_int4 write ff_int4;
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// f_int8 int8 NULL,
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property f_int8: NullableInt64 read ff_int8 write ff_int8;
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// f_string varchar NULL,
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property f_string: NullableString read ff_string write ff_string;
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// f_bool bool NULL,
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property f_bool: NullableBoolean read ff_bool write ff_bool;
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// f_date date NULL,
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property f_date: NullableTDate read ff_date write ff_date;
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// f_time time NULL,
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property f_time: NullableTTime read ff_time write ff_time;
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// f_datetime timestamp NULL,
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property f_datetime: NullableTDateTime read ff_datetime write ff_datetime;
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// f_float4 float4 NULL,
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property f_float4: NullableSingle read ff_float4 write ff_float4;
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// f_float8 float8 NULL,
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property f_float8: NullableDouble read ff_float8 write ff_float8;
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// f_currency numeric(18,4) NULL
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property f_currency: NullableCurrency read ff_currency write ff_currency;
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// f_blob bytea NULL
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property f_blob: TStream read ff_blob write ff_blob;
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end;
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[MVCNameCase(ncLowerCase)]
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[MVCTable('complex_types')]
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TComplexTypes = class(TCustomEntity)
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private
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[MVCTableField('id', [foPrimaryKey, foAutoGenerated])]
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fID: Int64;
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[MVCTableField('json_field', [], '', 'json')]
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FJSON: String;
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[MVCTableField('jsonb_field', [], '', 'jsonb')]
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FJSONB: String;
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[MVCTableField('xml_field', [], '', 'xml')]
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fXML: String;
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public
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property ID: Int64 read fID write fID;
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property JSON: String read FJSON write FJSON;
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property JSONB: String read FJSONB write FJSONB;
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property XML: String read fXML write fXML;
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end;
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implementation
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uses
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System.SysUtils, Data.DB, MVCFramework.Logger, System.Rtti;
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constructor TArticle.Create;
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begin
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inherited Create;
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end;
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destructor TArticle.Destroy;
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begin
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inherited;
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end;
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constructor TCustomer.Create;
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begin
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inherited Create;
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end;
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destructor TCustomer.Destroy;
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begin
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inherited;
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end;
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function TCustomer.ToString: String;
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begin
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Result := '';
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if PKIsNull then
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Result := '<null>';
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Result := Format('[ID: %6s][CODE: %6s][CompanyName: %18s][City: %16s][Rating: %3d][Note: %s]',[
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Result, fCode.ValueOrDefault, fCompanyName.ValueOrDefault, fCity, fRating.ValueOrDefault, fNote]);
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end;
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|
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constructor TOrderDetail.Create;
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begin
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inherited Create;
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end;
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|
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destructor TOrderDetail.Destroy;
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begin
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|
inherited;
|
|
end;
|
|
|
|
constructor TOrder.Create;
|
|
begin
|
|
inherited Create;
|
|
end;
|
|
|
|
destructor TOrder.Destroy;
|
|
begin
|
|
inherited;
|
|
end;
|
|
|
|
{ TCustomerEx }
|
|
|
|
destructor TCustomerEx.Destroy;
|
|
begin
|
|
fOrders.Free;
|
|
inherited;
|
|
end;
|
|
|
|
function TCustomerEx.GetOrders: TObjectList<TOrder>;
|
|
begin
|
|
if not Assigned(fOrders) then
|
|
begin
|
|
fOrders := TObjectList<TOrder>.Create(True);
|
|
end;
|
|
Result := fOrders;
|
|
end;
|
|
|
|
procedure TCustomerEx.OnAfterInsert;
|
|
begin
|
|
inherited;
|
|
end;
|
|
|
|
procedure TCustomerEx.OnAfterLoad;
|
|
begin
|
|
inherited;
|
|
if Self.ID.HasValue then
|
|
begin
|
|
fOrders.Free;
|
|
fOrders := TMVCActiveRecord.Where<TOrder>('id_customer = ?', [Self.ID]);
|
|
end;
|
|
end;
|
|
|
|
{ TCustomerWithLogic }
|
|
|
|
procedure TCustomerWithLogic.OnAfterLoad;
|
|
begin
|
|
inherited;
|
|
fIsLocatedInRome := fCity = 'ROME';
|
|
end;
|
|
|
|
procedure TCustomerWithLogic.OnBeforeInsertOrUpdate;
|
|
begin
|
|
inherited;
|
|
fCompanyName := fCompanyName.ValueOrDefault.ToUpper;
|
|
fCity := fCity.ToUpper;
|
|
end;
|
|
|
|
procedure TCustomerWithLogic.OnValidation(const Action: TMVCEntityAction);
|
|
begin
|
|
inherited;
|
|
if fCompanyName.ValueOrDefault.IsEmpty or fCity.Trim.IsEmpty or fCode.Value.Trim.IsEmpty then
|
|
raise Exception.Create('CompanyName, City and Code are required');
|
|
end;
|
|
|
|
{ TCustomerWithTransient }
|
|
|
|
procedure TCustomerWithTransient.SetFormattedCode(const Value: string);
|
|
begin
|
|
fFormattedCode := Value;
|
|
end;
|
|
|
|
{ TNullablesTest }
|
|
|
|
constructor TNullablesTest.Create;
|
|
begin
|
|
inherited Create;
|
|
ff_blob := TMemoryStream.Create;
|
|
end;
|
|
|
|
destructor TNullablesTest.Destroy;
|
|
begin
|
|
ff_blob.Free;
|
|
inherited;
|
|
end;
|
|
|
|
{ TCustomEntity }
|
|
|
|
procedure TCustomEntity.OnBeforeExecuteSQL(var SQL: string);
|
|
begin
|
|
inherited;
|
|
Log.Info(ClassName + ' | ' + SQL, 'sql_trace');
|
|
end;
|
|
|
|
{ TCustomerPlainWithClientPK }
|
|
|
|
procedure TCustomerPlainWithClientPK.OnBeforeInsert;
|
|
begin
|
|
inherited;
|
|
SetPK(TValue.From<NullableString>(TGUID.NewGuid.ToString.Replace('{', '').Replace('-',
|
|
'').Replace('}', '').Substring(0, 20)));
|
|
end;
|
|
|
|
{ TPartitionedCustomer }
|
|
|
|
function TPartitionedCustomer.ToString: String;
|
|
begin
|
|
Result := '';
|
|
if PKIsNull then
|
|
Result := '<null>';
|
|
Result := Format('[ID: %6s][CODE: %6s][CompanyName: %18s][City: %16s][Note: %s]',[
|
|
Result, fCode.ValueOrDefault, fCompanyName.ValueOrDefault, fCity, fNote]);
|
|
end;
|
|
|
|
end.
|