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This commit is contained in:
Elena Oresharova
2020-04-07 11:29:11 +02:00
parent 2f52cbd918
commit 7b31657f69
9 changed files with 58 additions and 13 deletions
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4
README.md
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@@ -11,8 +11,8 @@ In SAP Business Application Studio, open a terminal.
Then clone the repo with this specific branch:
```sh
git clone https://github.com/sap-samples/cloud-cap-samples -b openSAP-week3-unit6
cd cloud-cap-samples
git clone https://github.com/sap-samples/cloud-cap-samples projects/cloud-cap-samples -b openSAP-week3-unit6
cd projects/cloud-cap-samples
```
In the `cloud-cap-samples` folder run:

17
packages/bookshop/db/schema.cds
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@@ -2,7 +2,22 @@ namespace sap.capire.bookshop;
@cds.persistence.exists
entity Books {
key ID: UUID;
key ID: Integer;
title : String(111);
descr : String(1111);
author : String(50);
rating : Integer;
}
@cds.persistence.exists
entity BooksDescr {
key id : Integer;
book_descr : String(2000);
}
@cds.persistence.exists
entity BooksInfo (REQ_RATING : Integer) {
key id : Integer;
rating : Integer;
book_author_info : String;
}

10
packages/bookshop/db/src/.hdiconfig
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@@ -1,8 +1,10 @@
{
"file_suffixes": {
"hdbtable": { "plugin_name": "com.sap.hana.di.table", "plugin_version": "11.1.0" },
"hdbtabletype": { "plugin_name": "com.sap.hana.di.tabletype", "plugin_version": "11.1.0" },
"hdbtabledata": { "plugin_name": "com.sap.hana.di.tabledata", "plugin_version": "11.1.0" },
"csv": { "plugin_name" : "com.sap.hana.di.tabledata.source" }
"hdbtable": { "plugin_name": "com.sap.hana.di.table", "plugin_version": "11.1.0" },
"hdbview": { "plugin_name": "com.sap.hana.di.view" },
"hdbfunction": { "plugin_name": "com.sap.hana.di.function" },
"hdbtabletype": { "plugin_name": "com.sap.hana.di.tabletype", "plugin_version": "11.1.0" },
"hdbtabledata": { "plugin_name": "com.sap.hana.di.tabledata", "plugin_version": "11.1.0" },
"csv": { "plugin_name" : "com.sap.hana.di.tabledata.source" }
}
}

8
packages/bookshop/db/src/data/Books.csv
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@@ -1,4 +1,4 @@
ID;TITLE;DESCR
301;Anna Karenina;"Anna Karenina (Russian: «Анна Каренина», IPA: [ˈanːə kɐˈrʲenʲɪnə])[1] is a novel by the Russian author Leo Tolstoy, first published in book form in 1878. Many writers consider Anna Karenina the greatest work of literature ever,[2] and Tolstoy himself called it his first true novel. It was initially released in serial installments from 1873 to 1877 in the periodical The Russian Messenger."
307;The Great Gatsby;"The Great Gatsby is a 1925 novel written by American author F. Scott Fitzgerald that follows a cast of characters living in the fictional towns of West Egg and East Egg on prosperous Long Island in the summer of 1922. The story primarily concerns the young and mysterious millionaire Jay Gatsby and his quixotic passion and obsession with the beautiful former debutante Daisy Buchanan. Considered to be Fitzgerald's magnum opus, The Great Gatsby explores themes of decadence, idealism, resistance to change, social upheaval and excess, creating a portrait of the Roaring Twenties that has been described as a cautionary[a] tale regarding the American Dream."
406;Harry Potter;"Harry Potter is a series of fantasy novels written by British author J. K. Rowling. The novels chronicle the lives of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at Hogwarts School of Witchcraft and Wizardry. The main story arc concerns Harry's struggle against Lord Voldemort, a dark wizard who intends to become immortal, overthrow the wizard governing body known as the Ministry of Magic and subjugate all wizards and Muggles (non-magical people)."
ID;TITLE;DESCR;AUTHOR;RATING
301;Anna Karenina;"Anna Karenina (Russian: «Анна Каренина», IPA: [ˈanːə kɐˈrʲenʲɪnə])[1] is a novel by the Russian author Leo Tolstoy, first published in book form in 1878. Many writers consider Anna Karenina the greatest work of literature ever,[2] and Tolstoy himself called it his first true novel. It was initially released in serial installments from 1873 to 1877 in the periodical The Russian Messenger.";Leo Tolstoy;4
307;The Great Gatsby;"The Great Gatsby is a 1925 novel written by American author F. Scott Fitzgerald that follows a cast of characters living in the fictional towns of West Egg and East Egg on prosperous Long Island in the summer of 1922. The story primarily concerns the young and mysterious millionaire Jay Gatsby and his quixotic passion and obsession with the beautiful former debutante Daisy Buchanan. Considered to be Fitzgerald's magnum opus, The Great Gatsby explores themes of decadence, idealism, resistance to change, social upheaval and excess, creating a portrait of the Roaring Twenties that has been described as a cautionary[a] tale regarding the American Dream.";F. Scott Fitzgerald;4
406;Harry Potter;"Harry Potter is a series of fantasy novels written by British author J. K. Rowling. The novels chronicle the lives of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at Hogwarts School of Witchcraft and Wizardry. The main story arc concerns Harry's struggle against Lord Voldemort, a dark wizard who intends to become immortal, overthrow the wizard governing body known as the Ministry of Magic and subjugate all wizards and Muggles (non-magical people).";J. K. Rowling;5
1 ID TITLE DESCR AUTHOR RATING
2 301 Anna Karenina Anna Karenina (Russian: «Анна Каренина», IPA: [ˈanːə kɐˈrʲenʲɪnə])[1] is a novel by the Russian author Leo Tolstoy, first published in book form in 1878. Many writers consider Anna Karenina the greatest work of literature ever,[2] and Tolstoy himself called it his first true novel. It was initially released in serial installments from 1873 to 1877 in the periodical The Russian Messenger. Leo Tolstoy 4
3 307 The Great Gatsby The Great Gatsby is a 1925 novel written by American author F. Scott Fitzgerald that follows a cast of characters living in the fictional towns of West Egg and East Egg on prosperous Long Island in the summer of 1922. The story primarily concerns the young and mysterious millionaire Jay Gatsby and his quixotic passion and obsession with the beautiful former debutante Daisy Buchanan. Considered to be Fitzgerald's magnum opus, The Great Gatsby explores themes of decadence, idealism, resistance to change, social upheaval and excess, creating a portrait of the Roaring Twenties that has been described as a cautionary[a] tale regarding the American Dream. F. Scott Fitzgerald 4
4 406 Harry Potter Harry Potter is a series of fantasy novels written by British author J. K. Rowling. The novels chronicle the lives of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at Hogwarts School of Witchcraft and Wizardry. The main story arc concerns Harry's struggle against Lord Voldemort, a dark wizard who intends to become immortal, overthrow the wizard governing body known as the Ministry of Magic and subjugate all wizards and Muggles (non-magical people). J. K. Rowling 5

3
packages/bookshop/db/src/sap.capire.bookshop.Books.hdbtable
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@@ -1,7 +1,8 @@
-- generated by cds-compiler version 1.23.1-SNAPSHOT
COLUMN TABLE SAP_CAPIRE_BOOKSHOP_BOOKS (
ID INTEGER NOT NULL,
TITLE NVARCHAR(111),
DESCR NVARCHAR(1111),
AUTHOR NVARCHAR(50),
RATING INTEGER,
PRIMARY KEY(ID)
)

10
packages/bookshop/db/src/sap.capire.bookshop.BooksDescr.hdbfunction Normal file
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@@ -0,0 +1,10 @@
FUNCTION SAP_CAPIRE_BOOKSHOP_BOOKSDESCR
RETURNS TABLE (ID integer, BOOK_DESCR nvarchar(2000))
LANGUAGE SQLSCRIPT
AS
BEGIN
RETURN SELECT
100 + ID AS ID,
'From my HANA function: A summary for the book ' || TITLE || ': ' || DESCR AS BOOK_DESCR
FROM SAP_CAPIRE_BOOKSHOP_BOOKS;
END

6
packages/bookshop/db/src/sap.capire.bookshop.BooksInfo.hdbview Normal file
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@@ -0,0 +1,6 @@
VIEW SAP_CAPIRE_BOOKSHOP_BOOKSINFO (in REQ_RATING integer) AS SELECT
ID,
RATING,
'From my HANA view: The book ' || TITLE || ' is authored by ' || AUTHOR AS BOOK_AUTHOR_INFO
FROM SAP_CAPIRE_BOOKSHOP_BOOKS
WHERE RATING = :REQ_RATING;

5
packages/bookshop/srv/cat-service.cds
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@@ -1,6 +1,9 @@
using { sap.capire.bookshop as db } from '../db/schema';
service CatalogService {
entity Books as projection on db.Books;
entity BooksInfo (RATING : Integer) as select from db.BooksInfo(REQ_RATING: :RATING) {*};
entity BooksDescr as select from db.BooksDescr;
}

8
packages/bookshop/tests/CatalogService.http Normal file
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@@ -0,0 +1,8 @@
# Get all books
GET http://localhost:4004/catalog/Books
# Get books description from the HANA function
GET http://localhost:4004/catalog/BooksDescr
# Get books with rating 4 via the HANA view
GET http://localhost:4004/catalog/BooksInfo(RATING=4)/Set