jayzhan211 commented on code in PR #11020:
URL: https://github.com/apache/datafusion/pull/11020#discussion_r1647485139
##########
datafusion/core/src/physical_planner.rs:
##########
@@ -1916,6 +1916,7 @@ pub fn create_aggregate_expr_and_maybe_filter(
// unpack (nested) aliased logical expressions, e.g. "sum(col) as total"
let (name, e) = match e {
Expr::Alias(Alias { expr, name, .. }) => (name.clone(), expr.as_ref()),
+ Expr::AggregateFunction(_) =>
(e.display_name().unwrap_or(physical_name(e)?), e),
Review Comment:
I would be nice if we also use `display_name` in `impl fmt::Display for Expr
`
##########
datafusion/core/src/physical_planner.rs:
##########
@@ -1916,6 +1916,7 @@ pub fn create_aggregate_expr_and_maybe_filter(
// unpack (nested) aliased logical expressions, e.g. "sum(col) as total"
let (name, e) = match e {
Expr::Alias(Alias { expr, name, .. }) => (name.clone(), expr.as_ref()),
+ Expr::AggregateFunction(_) =>
(e.display_name().unwrap_or(physical_name(e)?), e),
Review Comment:
It seems CastExpr is different in `write_name` and `Expr's Display` 🤔
##########
datafusion/core/src/physical_planner.rs:
##########
@@ -1916,6 +1916,7 @@ pub fn create_aggregate_expr_and_maybe_filter(
// unpack (nested) aliased logical expressions, e.g. "sum(col) as total"
let (name, e) = match e {
Expr::Alias(Alias { expr, name, .. }) => (name.clone(), expr.as_ref()),
+ Expr::AggregateFunction(_) =>
(e.display_name().unwrap_or(physical_name(e)?), e),
Review Comment:
It seems CastExpr is different in `write_name` and `Expr's Display` 🤔
And, there is an issue that expect CastExpr be shown in `write name`
https://github.com/apache/datafusion/issues/10274
##########
datafusion/core/src/physical_planner.rs:
##########
@@ -1916,6 +1916,7 @@ pub fn create_aggregate_expr_and_maybe_filter(
// unpack (nested) aliased logical expressions, e.g. "sum(col) as total"
let (name, e) = match e {
Expr::Alias(Alias { expr, name, .. }) => (name.clone(), expr.as_ref()),
+ Expr::AggregateFunction(_) =>
(e.display_name().unwrap_or(physical_name(e)?), e),
Review Comment:
It seems CastExpr is different in `write_name` and `Expr's Display` 🤔
And, there is an issue that expect CastExpr be shown in `write name`
https://github.com/apache/datafusion/issues/10274
CastExpr is removed in #3222, but I didn't find the rationale of doing this
##########
datafusion/core/src/physical_planner.rs:
##########
@@ -1916,6 +1916,7 @@ pub fn create_aggregate_expr_and_maybe_filter(
// unpack (nested) aliased logical expressions, e.g. "sum(col) as total"
let (name, e) = match e {
Expr::Alias(Alias { expr, name, .. }) => (name.clone(), expr.as_ref()),
+ Expr::AggregateFunction(_) =>
(e.display_name().unwrap_or(physical_name(e)?), e),
Review Comment:
It seems CastExpr is different in `write_name` and `Expr's Display` 🤔
And, there is an issue that expect CastExpr be shown in `write name`
https://github.com/apache/datafusion/issues/10274
CastExpr is removed in #3222, but I didn't find the rationale of doing this
If the issue is due to the schema change, then it will be quite tricky
https://github.com/apache/datafusion/pull/10276
We can reuse `display_name` in `physical_name` to fix the regression first
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