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86 lines
2.2 KiB
SQL
86 lines
2.2 KiB
SQL
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DROP TABLE IF EXISTS qgis_test.books_authors;
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DROP TABLE IF EXISTS qgis_test.books;
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DROP TABLE IF EXISTS qgis_test.authors;
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DROP TABLE IF EXISTS qgis_test.editors;
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-- Table: qgis_test.authors
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CREATE TABLE qgis_test.authors
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(
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pk serial NOT NULL,
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name text,
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CONSTRAINT authors_pkey PRIMARY KEY (pk),
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CONSTRAINT authors_name_key UNIQUE (name)
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);
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-- Table: qgis_test.editors
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CREATE TABLE qgis_test.editors
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(
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name text NOT NULL,
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year smallint NOT NULL,
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CONSTRAINT editors_pkey PRIMARY KEY (name, year)
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);
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-- Table: qgis_test.books
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CREATE TABLE qgis_test.books
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(
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pk serial NOT NULL,
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name character varying(255),
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fk_editor_name text NOT NULL,
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fk_editor_year integer NOT NULL,
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CONSTRAINT books_pkey PRIMARY KEY (pk),
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CONSTRAINT books_name_key UNIQUE (name),
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CONSTRAINT books_fk_editor_fkey FOREIGN KEY (fk_editor_name, fk_editor_year)
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REFERENCES qgis_test.editors (name, year) MATCH SIMPLE
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ON UPDATE NO ACTION ON DELETE CASCADE
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);
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-- Table: qgis_test.books_authors
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CREATE TABLE qgis_test.books_authors
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(
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fk_book integer NOT NULL,
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fk_author integer NOT NULL,
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CONSTRAINT books_authors_pkey PRIMARY KEY (fk_book, fk_author),
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CONSTRAINT books_authors_fk_author_fkey FOREIGN KEY (fk_author)
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REFERENCES qgis_test.authors (pk) MATCH SIMPLE
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ON UPDATE NO ACTION ON DELETE CASCADE,
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CONSTRAINT books_authors_fk_book_fkey FOREIGN KEY (fk_book)
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REFERENCES qgis_test.books (pk) MATCH SIMPLE
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ON UPDATE NO ACTION ON DELETE CASCADE
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);
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INSERT INTO qgis_test.authors(name)
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VALUES
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('Erich Gamma'),
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('Richard Helm'),
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('Ralph Johnson'),
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('John Vlissides'),
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('Douglas Adams'),
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('Ken Follett'),
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('Gabriel García Márquez');
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INSERT INTO qgis_test.editors(name, year)
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VALUES
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('Sputnik Editions', 1961),
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('Apollo Editions', 1969);
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INSERT INTO qgis_test.books(name, fk_editor_name, fk_editor_year)
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VALUES
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('Design Patterns. Elements of Reusable Object-Oriented Software',
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'Sputnik Editions',
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1961);
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INSERT INTO qgis_test.books_authors(fk_book, fk_author)
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VALUES
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(1, 1),
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(1, 2),
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(1, 3),
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(1, 4);
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