add repository working with stored procedures

README.md

@@ -1,2 +1,95 @@
 # example-csharp-app
 
+DB sql
+
+// pgsql
+
+-- Вставка
+CREATE PROCEDURE "sp_InsertBook"(
+	Id UUID,
+    Title VARCHAR(255),
+    Author VARCHAR(255),
+    YearPublished TimestampTz = NULL,
+    BookIndex XML = NULL
+)
+LANGUAGE plpgsql
+as $$
+BEGIN   
+    INSERT INTO "Books" ("Id", "Title", "Author", "YearPublished", "BookIndex")
+    VALUES (Id, Title, Author, YearPublished, BookIndex);
+    
+end
+$$
+
+-- Обновление
+CREATE PROCEDURE "sp_UpdateBook"(
+	Id UUID,
+    Title VARCHAR(255),
+    Author VARCHAR(255),
+    YearPublished TimestampTz,
+    BookIndex xml
+)
+LANGUAGE plpgsql
+as $$
+BEGIN   
+    UPDATE "Books"
+    SET 
+        "Title" = Title,
+        "Author" = Author,
+        "YearPublished" = YearPublished,
+        "BookIndex" = BookIndex
+    WHERE "Id" = Id;
+end
+$$
+
+-- удаление
+CREATE PROCEDURE "sp_DeleteBook"(
+	Id UUID
+)
+LANGUAGE plpgsql
+as $$
+BEGIN   
+    DELETE FROM "Books" WHERE "Id" = Id;
+end
+$$
+
+-- получение данных
+CREATE FUNCTION "sp_GetBookById"(BookId UUID)
+returns table (
+	"Id" UUID,
+	"Author" TEXT,
+	"Title" TEXT,
+	"YearPublished" TIMESTAMPTZ,
+	"BookIndex" XML
+)
+LANGUAGE plpgsql
+as $$
+BEGIN
+	RETURN QUERY
+    SELECT b."Id", b."Author", b."Title", b."YearPublished", b."BookIndex"
+    FROM "Books" b
+    WHERE b."Id" = BookId;
+END
+$$
+
+-- поиск по библиотеке
+CREATE FUNCTION "sp_SearchBooks"(p_Title TEXT, p_Author TEXT, p_Index TEXT)
+returns table (
+	"Id" UUID,
+	"Author" TEXT,
+	"Title" TEXT,
+	"YearPublished" TIMESTAMPTZ,
+	"BookIndex" XML
+)
+LANGUAGE plpgsql
+as $$
+BEGIN
+	RETURN QUERY
+    SELECT b."Id", b."Author", b."Title", b."YearPublished", b."BookIndex"
+    FROM "Books" b
+    WHERE 
+	(p_Author IS NULL OR b."Author" ~* p_Author) AND 
+	(p_Title IS NULL OR b."Title" ~* p_Title) AND
+	(b."BookIndex"::TEXT ILIKE CONCAT('%', p_Index, '%'));
+END
+$$