7b85fcc020
Add a database versioning system that tracks applied migrations and only runs new ones, significantly improving update speed. Replit-Commit-Author: Agent Replit-Commit-Session-Id: 7a657272-55ba-4a79-9a2e-f1ed9bc7a528 Replit-Commit-Checkpoint-Type: full_checkpoint Replit-Commit-Event-Id: ab56b852-52de-4cd1-a489-5cf48f3a2965 Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/449cf7c4-c97a-45ae-8234-e5c5b8d6a84f/7a657272-55ba-4a79-9a2e-f1ed9bc7a528/myJmPIa
24 lines
998 B
SQL
24 lines
998 B
SQL
-- ============================================================================
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-- Migration 000: Initialize schema version tracking
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-- ============================================================================
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-- Crea tabella per tracciare versione schema database
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-- Previene re-esecuzione di migrazioni già applicate
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-- ============================================================================
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-- Crea tabella schema_version se non esiste
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CREATE TABLE IF NOT EXISTS schema_version (
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id INTEGER PRIMARY KEY DEFAULT 1,
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version INTEGER NOT NULL DEFAULT 0,
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applied_at TIMESTAMP NOT NULL DEFAULT NOW(),
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description TEXT
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);
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-- Inserisci versione iniziale (solo se tabella vuota)
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INSERT INTO schema_version (id, version, description)
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SELECT 1, 0, 'Initial schema version tracking'
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WHERE NOT EXISTS (SELECT 1 FROM schema_version WHERE id = 1);
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-- Constraint: solo 1 riga ammessa
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ALTER TABLE schema_version ADD CONSTRAINT schema_version_single_row
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CHECK (id = 1) NOT VALID;
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