ALTER TABLE dolphin_prodgreen.account_events
    ADD COLUMN IF NOT EXISTS current_open_notional Float64 DEFAULT 0,
    ADD COLUMN IF NOT EXISTS current_account_leverage Float32 DEFAULT 0,
    ADD COLUMN IF NOT EXISTS exchange_leverage UInt8 DEFAULT 0,
    ADD COLUMN IF NOT EXISTS exchange_leverage_mode LowCardinality(String) DEFAULT '',
    ADD COLUMN IF NOT EXISTS leverage_mapping_rule LowCardinality(String) DEFAULT '';