feat(WP-04): add evolution SQL migration script
Creates player_season_stats, evolution_track, evolution_card_state, evolution_tier_boost, and evolution_cosmetic tables with IF NOT EXISTS guards, appropriate indexes, and rollback statements. Also extends card, battingcard, and pitchingcard with variant and image_url columns. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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migrations/2026-03-17_add_evolution_tables.sql
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migrations/2026-03-17_add_evolution_tables.sql
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-- Migration: Add card evolution tables and column extensions
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-- Date: 2026-03-17
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-- Issue: WP-04
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-- Purpose: Support the Card Evolution system — tracks player season stats,
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-- evolution tracks with tier thresholds, per-card evolution state,
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-- tier-based stat boosts, and cosmetic unlocks. Also extends the
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-- card, battingcard, and pitchingcard tables with variant and
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-- image_url columns required by the evolution display layer.
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--
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-- Run on dev first, verify with:
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-- SELECT count(*) FROM player_season_stats;
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-- SELECT count(*) FROM evolution_track;
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-- SELECT count(*) FROM evolution_card_state;
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-- SELECT count(*) FROM evolution_tier_boost;
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-- SELECT count(*) FROM evolution_cosmetic;
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-- SELECT column_name FROM information_schema.columns
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-- WHERE table_name IN ('card', 'battingcard', 'pitchingcard')
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-- AND column_name IN ('variant', 'image_url')
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-- ORDER BY table_name, column_name;
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--
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-- Rollback: See DROP/ALTER statements at bottom of file
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-- ============================================
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-- FORWARD MIGRATION
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-- ============================================
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BEGIN;
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-- --------------------------------------------
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-- Table 1: player_season_stats
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-- Accumulates per-player per-team per-season
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-- batting and pitching totals for evolution
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-- formula evaluation.
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-- --------------------------------------------
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CREATE TABLE IF NOT EXISTS player_season_stats (
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id SERIAL PRIMARY KEY,
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player_id INTEGER NOT NULL REFERENCES player(id) ON DELETE CASCADE,
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team_id INTEGER NOT NULL REFERENCES team(id) ON DELETE CASCADE,
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season INTEGER NOT NULL,
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-- Batting stats
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games_batting INTEGER NOT NULL DEFAULT 0,
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pa INTEGER NOT NULL DEFAULT 0,
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ab INTEGER NOT NULL DEFAULT 0,
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hits INTEGER NOT NULL DEFAULT 0,
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doubles INTEGER NOT NULL DEFAULT 0,
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triples INTEGER NOT NULL DEFAULT 0,
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hr INTEGER NOT NULL DEFAULT 0,
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bb INTEGER NOT NULL DEFAULT 0,
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hbp INTEGER NOT NULL DEFAULT 0,
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so INTEGER NOT NULL DEFAULT 0,
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rbi INTEGER NOT NULL DEFAULT 0,
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runs INTEGER NOT NULL DEFAULT 0,
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sb INTEGER NOT NULL DEFAULT 0,
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cs INTEGER NOT NULL DEFAULT 0,
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-- Pitching stats
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games_pitching INTEGER NOT NULL DEFAULT 0,
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outs INTEGER NOT NULL DEFAULT 0,
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k INTEGER NOT NULL DEFAULT 0,
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bb_allowed INTEGER NOT NULL DEFAULT 0,
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hits_allowed INTEGER NOT NULL DEFAULT 0,
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hr_allowed INTEGER NOT NULL DEFAULT 0,
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wins INTEGER NOT NULL DEFAULT 0,
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losses INTEGER NOT NULL DEFAULT 0,
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saves INTEGER NOT NULL DEFAULT 0,
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holds INTEGER NOT NULL DEFAULT 0,
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blown_saves INTEGER NOT NULL DEFAULT 0,
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-- Meta
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last_game_id INTEGER REFERENCES stratgame(id) ON DELETE SET NULL,
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last_updated_at TIMESTAMP
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);
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-- One row per player per team per season
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CREATE UNIQUE INDEX IF NOT EXISTS player_season_stats_player_team_season_uniq
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ON player_season_stats (player_id, team_id, season);
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-- Fast lookup by team + season (e.g. leaderboard queries)
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CREATE INDEX IF NOT EXISTS player_season_stats_team_season_idx
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ON player_season_stats (team_id, season);
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-- Fast lookup by player across seasons
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CREATE INDEX IF NOT EXISTS player_season_stats_player_season_idx
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ON player_season_stats (player_id, season);
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-- --------------------------------------------
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-- Table 2: evolution_track
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-- Defines the available evolution tracks
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-- (e.g. "HR Mastery", "Ace SP"), their
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-- metric formula, and the four tier thresholds.
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-- --------------------------------------------
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CREATE TABLE IF NOT EXISTS evolution_track (
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id SERIAL PRIMARY KEY,
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name VARCHAR(255) UNIQUE NOT NULL,
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card_type VARCHAR(50) NOT NULL, -- 'batting' or 'pitching'
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formula VARCHAR(255) NOT NULL, -- e.g. 'hr', 'k_per_9', 'ops'
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t1_threshold INTEGER NOT NULL,
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t2_threshold INTEGER NOT NULL,
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t3_threshold INTEGER NOT NULL,
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t4_threshold INTEGER NOT NULL
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);
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-- --------------------------------------------
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-- Table 3: evolution_card_state
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-- Records each card's current evolution tier,
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-- running metric value, and the track it
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-- belongs to. One state row per card (player
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-- + team combination uniquely identifies a
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-- card in a given season).
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-- --------------------------------------------
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CREATE TABLE IF NOT EXISTS evolution_card_state (
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id SERIAL PRIMARY KEY,
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player_id INTEGER NOT NULL REFERENCES player(id) ON DELETE CASCADE,
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team_id INTEGER NOT NULL REFERENCES team(id) ON DELETE CASCADE,
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track_id INTEGER NOT NULL REFERENCES evolution_track(id) ON DELETE CASCADE,
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current_tier INTEGER NOT NULL DEFAULT 0,
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current_value DOUBLE PRECISION NOT NULL DEFAULT 0.0,
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fully_evolved BOOLEAN NOT NULL DEFAULT FALSE,
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last_evaluated_at TIMESTAMP
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);
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-- One evolution state per card (player + team)
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CREATE UNIQUE INDEX IF NOT EXISTS evolution_card_state_player_team_uniq
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ON evolution_card_state (player_id, team_id);
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-- --------------------------------------------
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-- Table 4: evolution_tier_boost
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-- Defines the stat boosts unlocked at each
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-- tier within a track. A single tier may
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-- grant multiple boosts (e.g. +1 HR and
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-- +1 power rating).
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-- --------------------------------------------
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CREATE TABLE IF NOT EXISTS evolution_tier_boost (
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id SERIAL PRIMARY KEY,
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track_id INTEGER NOT NULL REFERENCES evolution_track(id) ON DELETE CASCADE,
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tier INTEGER NOT NULL, -- 1-4
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boost_type VARCHAR(50) NOT NULL, -- e.g. 'rating_bump', 'display_only'
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boost_target VARCHAR(50) NOT NULL, -- e.g. 'hr_rating', 'contact_rating'
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boost_value DOUBLE PRECISION NOT NULL DEFAULT 0.0
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);
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-- Prevent duplicate boost definitions for the same track/tier/type/target
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CREATE UNIQUE INDEX IF NOT EXISTS evolution_tier_boost_track_tier_type_target_uniq
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ON evolution_tier_boost (track_id, tier, boost_type, boost_target);
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-- --------------------------------------------
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-- Table 5: evolution_cosmetic
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-- Catalogue of unlockable visual treatments
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-- (borders, foils, badges, etc.) tied to
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-- minimum tier requirements.
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-- --------------------------------------------
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CREATE TABLE IF NOT EXISTS evolution_cosmetic (
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id SERIAL PRIMARY KEY,
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name VARCHAR(255) UNIQUE NOT NULL,
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tier_required INTEGER NOT NULL DEFAULT 0,
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cosmetic_type VARCHAR(50) NOT NULL, -- e.g. 'border', 'foil', 'badge'
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css_class VARCHAR(255),
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asset_url VARCHAR(500)
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);
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-- --------------------------------------------
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-- Column extensions for existing tables
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-- --------------------------------------------
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-- Track which visual variant a card is displaying
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-- (NULL = base card, 1+ = evolved variants)
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ALTER TABLE card ADD COLUMN IF NOT EXISTS variant INTEGER DEFAULT NULL;
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-- Store pre-rendered or externally-hosted card image URLs
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ALTER TABLE battingcard ADD COLUMN IF NOT EXISTS image_url VARCHAR(500);
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ALTER TABLE pitchingcard ADD COLUMN IF NOT EXISTS image_url VARCHAR(500);
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COMMIT;
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-- ============================================
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-- VERIFICATION QUERIES
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-- ============================================
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-- \d player_season_stats
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-- \d evolution_track
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-- \d evolution_card_state
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-- \d evolution_tier_boost
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-- \d evolution_cosmetic
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-- SELECT indexname FROM pg_indexes
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-- WHERE tablename IN (
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-- 'player_season_stats',
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-- 'evolution_card_state',
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-- 'evolution_tier_boost'
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-- )
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-- ORDER BY tablename, indexname;
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-- SELECT column_name, data_type FROM information_schema.columns
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-- WHERE table_name IN ('card', 'battingcard', 'pitchingcard')
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-- AND column_name IN ('variant', 'image_url')
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-- ORDER BY table_name, column_name;
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-- ============================================
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-- ROLLBACK (if needed)
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-- ============================================
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-- ALTER TABLE pitchingcard DROP COLUMN IF EXISTS image_url;
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-- ALTER TABLE battingcard DROP COLUMN IF EXISTS image_url;
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-- ALTER TABLE card DROP COLUMN IF EXISTS variant;
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-- DROP TABLE IF EXISTS evolution_cosmetic CASCADE;
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-- DROP TABLE IF EXISTS evolution_tier_boost CASCADE;
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-- DROP TABLE IF EXISTS evolution_card_state CASCADE;
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-- DROP TABLE IF EXISTS evolution_track CASCADE;
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-- DROP TABLE IF EXISTS player_season_stats CASCADE;
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