ea4a6301ea
Define uuid_generate_v7() in the first migration and switch all table primary key defaults to it. Remove the uuid-ossp extension dependency. Update refresh token and request ID generation in Go code to use uuid.NewV7() from the existing google/uuid v1.6.0 library. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
81 lines
2.6 KiB
PL/PgSQL
81 lines
2.6 KiB
PL/PgSQL
-- +goose Up
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-- Generate UUID v7 (time-ordered, millisecond precision).
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-- Structure: 48-bit unix_ts_ms | 4-bit version (0111) | 12-bit rand_a | 2-bit variant (10) | 62-bit rand_b
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CREATE OR REPLACE FUNCTION uuid_generate_v7()
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RETURNS uuid
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AS $$
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DECLARE
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unix_ts_ms bytea;
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uuid_bytes bytea;
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BEGIN
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-- 48-bit Unix timestamp in milliseconds.
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-- int8send produces 8 big-endian bytes; skip the first 2 zero bytes to get 6.
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unix_ts_ms = substring(int8send(floor(extract(epoch from clock_timestamp()) * 1000)::bigint) from 3);
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-- Use a random v4 UUID as the source of random bits for rand_a and rand_b.
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uuid_bytes = uuid_send(gen_random_uuid());
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-- Overwrite bytes 0–5 with the timestamp (positions 1–6 in 1-indexed bytea).
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uuid_bytes = overlay(uuid_bytes placing unix_ts_ms from 1 for 6);
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-- Set version nibble (bits 48–51) to 0111 (7).
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uuid_bytes = set_bit(uuid_bytes, 48, 0);
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uuid_bytes = set_bit(uuid_bytes, 49, 1);
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uuid_bytes = set_bit(uuid_bytes, 50, 1);
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uuid_bytes = set_bit(uuid_bytes, 51, 1);
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-- Variant bits (64–65) stay at 10 as inherited from gen_random_uuid().
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RETURN encode(uuid_bytes, 'hex')::uuid;
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END
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$$ LANGUAGE plpgsql VOLATILE;
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CREATE TYPE user_plan AS ENUM ('free', 'paid');
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CREATE TYPE user_gender AS ENUM ('male', 'female');
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CREATE TYPE user_goal AS ENUM ('lose', 'maintain', 'gain');
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CREATE TYPE activity_level AS ENUM ('low', 'moderate', 'high');
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CREATE TABLE users (
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id UUID PRIMARY KEY DEFAULT uuid_generate_v7(),
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firebase_uid VARCHAR(128) NOT NULL UNIQUE,
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email VARCHAR(255) NOT NULL,
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name VARCHAR(255) NOT NULL DEFAULT '',
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avatar_url TEXT,
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-- Body parameters
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height_cm SMALLINT,
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weight_kg DECIMAL(5,2),
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age SMALLINT,
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gender user_gender,
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activity activity_level,
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-- Goal and calculated daily norm
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goal user_goal,
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daily_calories INTEGER,
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-- Plan
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plan user_plan NOT NULL DEFAULT 'free',
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-- Preferences (JSONB for flexibility)
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preferences JSONB NOT NULL DEFAULT '{}'::jsonb,
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-- Refresh token
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refresh_token TEXT,
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token_expires_at TIMESTAMPTZ,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE INDEX idx_users_firebase_uid ON users (firebase_uid);
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CREATE INDEX idx_users_email ON users (email);
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-- +goose Down
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DROP TABLE IF EXISTS users;
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DROP TYPE IF EXISTS activity_level;
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DROP TYPE IF EXISTS user_goal;
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DROP TYPE IF EXISTS user_gender;
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DROP TYPE IF EXISTS user_plan;
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DROP FUNCTION IF EXISTS uuid_generate_v7();
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