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CREATE OR REPLACE FUNCTION
Applies to ❌ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
In most cases, you will want to
CREATE OR REPLACE a function, not
CREATE [ OR FAIL ] when the function already exists. For this, just use the auxiliary
OR REPLACE clause, which can be emulated by jOOQ via an additional DROP FUNCTION statement if this syntax is not available in your dialect.
// Create a function that always return 1 create.createOrReplaceFunction("one") .returns(INTEGER) .as(return_(1)) .execute();