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add compositions for cascade delete

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This commit is contained in:
Dzmitry_Tamashevich@epam.com
2020-11-06 23:26:13 +03:00
committed by Daniel Hutzel
parent e08b1c6246
commit c932b486e1
1 changed files with 18 additions and 13 deletions
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31
media-store/db/schema.cds
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@@ -89,16 +89,21 @@ entity InvoiceItems {
} }
entity Tracks { entity Tracks {
key ID : Integer; key ID : Integer;
name : String(200); name : String(200);
album : Association to Albums; album : Association to Albums;
mediaType : Association to MediaTypes; mediaType : Association to MediaTypes;
genre : Association to Genres; genre : Association to Genres;
composer : String(220); composer : String(220);
milliseconds : Integer default 230619; milliseconds : Integer default 230619;
bytes : Integer default 3990994; bytes : Integer default 3990994;
unitPrice : Decimal(10, 2) default 0.99; unitPrice : Decimal(10, 2) default 0.99;
invoiceItems : Association to many InvoiceItems
on invoiceItems.track = $self; // Two compositions below needed for cascade delete track
virtual alreadyOrdered : Boolean; invoiceItems : Composition of many InvoiceItems
} on invoiceItems.track = $self;
playlistTracks : Composition of many {
key playlist : Association to Playlists;
key track : Association to Tracks;
};
};