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20 lines
880 B
MySQL
20 lines
880 B
MySQL
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-- +up
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DROP INDEX trades_symbol ON trades;
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DROP INDEX trades_symbol_fee_currency ON trades;
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DROP INDEX trades_traded_at_symbol ON trades;
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-- this index is used for general trade query
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CREATE INDEX trades_traded_at ON trades (traded_at, symbol, exchange, id, fee_currency, fee);
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-- this index is used for join clause by trade_id
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CREATE INDEX trades_id_traded_at ON trades (id, traded_at);
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-- this index is used for join clause by order id
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CREATE INDEX trades_order_id_traded_at ON trades (order_id, traded_at);
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-- +down
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DROP INDEX trades_traded_at ON trades;
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DROP INDEX trades_id_traded_at ON trades;
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DROP INDEX trades_order_id_traded_at ON trades;
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CREATE INDEX trades_symbol ON trades (exchange, symbol);
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CREATE INDEX trades_symbol_fee_currency ON trades (exchange, symbol, fee_currency, traded_at);
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CREATE INDEX trades_traded_at_symbol ON trades (exchange, traded_at, symbol);
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