index(['campaign_id', 'lead_id'], 'idx_campaign_lead_campaign_lead'); $table->index('campaign_id', 'idx_campaign_lead_campaign_id'); $table->index('lead_id', 'idx_campaign_lead_lead_id'); }); Schema::table('leads', function (Blueprint $table) { $table->index('created_at', 'idx_leads_created_at'); }); } public function down() { Schema::table('campaign_lead', function (Blueprint $table) { $table->dropIndex('idx_campaign_lead_campaign_lead'); $table->dropIndex('idx_campaign_lead_campaign_id'); $table->dropIndex('idx_campaign_lead_lead_id'); }); Schema::table('leads', function (Blueprint $table) { $table->dropIndex('idx_leads_created_at'); }); } }