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datafusion_functions::unicode::left - Rust
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datafusion_functions::unicode

Module left

Source
Available on crate feature unicode_expressions only.

Structs§

LeftFunc

Functions§

left
Returns first n characters in the string, or when n is negative, returns all but last |n| characters. left(‘abcde’, 2) = ‘ab’ The implementation uses UTF-8 code points as characters