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// SPDX-License-Identifier: Apache-2.0 //! Scalar function evaluation for SqlExpr. //! //! All functions return `Value::Null` on invalid/missing //! arguments (SQL NULL propagation semantics). mod array; mod conditional; mod datetime; mod eval; pub(crate) mod fts; mod id; mod json; mod math; pub(crate) mod shared; mod string; mod system; mod text_chunk; mod types; mod vector; pub use eval::eval_function;