71 lines
1.7 KiB
SQL
71 lines
1.7 KiB
SQL
CREATE TABLE users (
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id SERIAL PRIMARY KEY,
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username VARCHAR(255) NOT NULL UNIQUE,
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email VARCHAR(255) NOT NULL UNIQUE,
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password_hash VARCHAR(255) NOT NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE datasets (
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id SERIAL PRIMARY KEY,
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user_id INTEGER NOT NULL,
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name VARCHAR(255) NOT NULL,
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description TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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nlp_completed BOOLEAN DEFAULT FALSE,
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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);
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CREATE TABLE posts (
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id SERIAL PRIMARY KEY,
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dataset_id INTEGER NOT NULL,
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author VARCHAR(255) NOT NULL,
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title VARCHAR(255) NOT NULL,
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content TEXT NOT NULL,
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created_at TIMESTAMP NOT NULL,
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source VARCHAR(255) NOT NULL,
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topic VARCHAR(255),
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topic_confidence FLOAT,
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ner_entities JSONB,
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emotion_anger FLOAT,
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emotion_disgust FLOAT,
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emotion_fear FLOAT,
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emotion_joy FLOAT,
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emotion_neutral FLOAT,
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emotion_sadness FLOAT,
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emotion_surprise FLOAT,
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FOREIGN KEY (dataset_id) REFERENCES datasets(id) ON DELETE CASCADE
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);
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CREATE TABLE comments (
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id SERIAL PRIMARY KEY,
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dataset_id INTEGER NOT NULL,
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post_id INTEGER NOT NULL,
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author VARCHAR(255) NOT NULL,
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content TEXT NOT NULL,
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created_at TIMESTAMP NOT NULL,
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reply_to VARCHAR(255),
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source VARCHAR(255) NOT NULL,
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topic VARCHAR(255),
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topic_confidence FLOAT,
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ner_entities JSONB,
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emotion_anger FLOAT,
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emotion_disgust FLOAT,
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emotion_fear FLOAT,
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emotion_joy FLOAT,
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emotion_neutral FLOAT,
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emotion_sadness FLOAT,
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emotion_surprise FLOAT,
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FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE,
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FOREIGN KEY (dataset_id) REFERENCES datasets(id) ON DELETE CASCADE
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); |