Sql/Add Index Before Select

1.0.0Last update Jul 26, 2024

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Example of using codemod that changes SQL. It detects all SELECT statements and adds an index creation statement before them. Inside SELECT statement for any fields that ends with _id it creates an index on that field.

Example

Before

select * FROM orders WHERE customer_id = 123;

After

CREATE INDEX idx_customer_id ON orders(customer_id);
SELECT * FROM orders WHERE customer_id = 123;

Example

Before

select * FROM orders WHERE customer_id = 123;

After

CREATE INDEX idx_customer_id ON orders(customer_id);
SELECT * FROM orders WHERE customer_id = 123;

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