liukun4515 commented on a change in pull request #1431:
URL: https://github.com/apache/arrow-datafusion/pull/1431#discussion_r767059652
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File path: datafusion/src/sql/planner.rs
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@@ -372,7 +372,27 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
SQLDataType::Char(_) | SQLDataType::Varchar(_) | SQLDataType::Text
=> {
Ok(DataType::Utf8)
}
- SQLDataType::Decimal(_, _) => Ok(DataType::Float64),
+ SQLDataType::Decimal(precision, scale) => {
+ match (precision, scale) {
+ (None, _) | (_, None) => {
+ return Err(DataFusionError::Internal(format!(
+ "Error Decimal Type ({:?})",
+ sql_type
+ )));
+ }
+ (Some(p), Some(s)) => {
+ // TODO add bound checker in some utils file or
function
+ if *p > 38 || *s > *p {
+ return Err(DataFusionError::Internal(format!(
+ "Error Decimal Type ({:?})",
Review comment:
Thanks for your suggestion.
It has been modified.
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