51 lines
1,014 B
SQL
51 lines
1,014 B
SQL
-- +micrate Up
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-- SQL in section 'Up' is executed when this migration is applied
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CREATE TABLE admins(
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id BIGSERIAL PRIMARY KEY,
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user_id BIGINT NOT NULL UNIQUE REFERENCES users(id)
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);
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CREATE TABLE teachers(
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id BIGSERIAL PRIMARY KEY,
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user_id BIGINT NOT NULL UNIQUE REFERENCES users(id),
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max_students INT NOT NULL,
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skif BOOLEAN NOT NULL
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);
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CREATE TABLE students(
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id BIGSERIAL PRIMARY KEY,
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user_id BIGINT NOT NULL UNIQUE REFERENCES users(id),
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skif BOOLEAN NOT NULL
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);
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ALTER TABLE
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users
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ADD
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COLUMN admin_id BIGINT UNIQUE REFERENCES admins(id);
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ALTER TABLE
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users
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ADD
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COLUMN teacher_id BIGINT UNIQUE REFERENCES teachers(id);
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ALTER TABLE
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users
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ADD
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COLUMN student_id BIGINT UNIQUE REFERENCES students(id);
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-- +micrate Down
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-- SQL section 'Down' is executed when this migration is rolled back
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ALTER TABLE
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users DROP COLUMN admin_id;
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ALTER TABLE
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users DROP COLUMN teacher_id;
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ALTER TABLE
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users DROP COLUMN student_id;
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DROP TABLE admins;
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DROP TABLE teachers;
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DROP TABLE students; |