Module function 

Function DDL statement builders

This module provides builders for function-related DDL statements:

• CreateFunctionStatement: CREATE FUNCTION statement
• AlterFunctionStatement: ALTER FUNCTION statement
• DropFunctionStatement: DROP FUNCTION statement

Backend Support

Backend	CREATE	ALTER	DROP
PostgreSQL	✅	✅	✅
MySQL	✅	✅	✅
SQLite	❌ (panics)	❌ (panics)	❌ (panics)
CockroachDB	✅	✅	✅

PostgreSQL vs MySQL Differences

• Language: PostgreSQL supports PL/pgSQL, MySQL has its own syntax
• Dollar quotes: PostgreSQL uses $$ for function body, MySQL uses BEGIN/END
• Parameter placeholders: PostgreSQL uses $1, $2, MySQL uses parameters directly

Re-exports

pub use alter_function::AlterFunctionStatement;

pub use create_function::CreateFunctionStatement;

pub use drop_function::DropFunctionStatement;

Modules

alter_function

ALTER FUNCTION statement builder

create_function

CREATE FUNCTION statement builder

drop_function

DROP FUNCTION statement builder