align_types

risingwave_frontend::expr

Function align_types 

Source 
pub fn align_types<'a>(
    exprs: impl Iterator<Item = &'a mut ExprImpl>,
) -> Result<DataType, ErrorCode>
Expand description

Find the least_restrictive type over a list of exprs, and add implicit cast when necessary. Used by VALUES, CASE, UNION, etc. See PG.