pub fn pad_start<T>(
arg: impl IntoExpr<T>,
length: impl IntoExpr<i32>,
fill: impl IntoExpr<String>,
) -> Expr<<T as StringUnaryExpr>::Output>where
T: StringUnaryExpr,Expand description
Pads on the left to length by cycling fill, truncating the source on the right if needed.
Padding "ab" to 5 with "xy" yields "xyxab"; empty fill adds nothing and non-positive length yields "".
Maps to PostgreSQL LPAD.