dimgigov
4e54075078
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18 lines
458 B
SQL
18 lines
458 B
SQL
CREATE TABLE IF NOT EXISTS User(
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username text PRIMARY KEY
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);
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CREATE TABLE IF NOT EXISTS Following(
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follower text,
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followed_user text,
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PRIMARY KEY (follower, followed_user),
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FOREIGN KEY (follower) REFERENCES User(username),
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FOREIGN KEY (followed_user) REFERENCES User(username)
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);
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CREATE TABLE IF NOT EXISTS Message(
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username text,
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time integer,
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msg text NOT NULL,
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FOREIGN KEY (username) REFERENCES User(username)
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); |