alamb commented on code in PR #2909:
URL: https://github.com/apache/arrow-datafusion/pull/2909#discussion_r921411558
##########
datafusion/optimizer/src/optimizer.rs:
##########
@@ -97,13 +106,85 @@ impl Optimizer {
debug!("Input logical plan:\n{}\n", plan.display_indent());
trace!("Full input logical plan:\n{:?}", plan);
for rule in &self.rules {
- new_plan = rule.optimize(&new_plan, optimizer_config)?;
- observer(&new_plan, rule.as_ref());
- debug!("After apply {} rule:\n", rule.name());
- debug!("Optimized logical plan:\n{}\n", new_plan.display_indent());
+ let result = rule.optimize(&new_plan, optimizer_config);
+ match result {
+ Ok(plan) => {
+ new_plan = plan;
+ observer(&new_plan, rule.as_ref());
+ debug!("After apply {} rule:\n", rule.name());
+ debug!("Optimized logical plan:\n{}\n",
new_plan.display_indent());
+ }
+ Err(ref e) => {
+ if optimizer_config.skip_failing_rules {
+ error!(
Review Comment:
```suggestion
warn!(
```
A warning might be a more appropriate level (as the query will likely
succeed but it is serious enough to warrant investigation)
##########
datafusion/core/src/config.rs:
##########
@@ -43,6 +43,10 @@ pub const OPT_COALESCE_BATCHES: &str =
"datafusion.execution.coalesce_batches";
pub const OPT_COALESCE_TARGET_BATCH_SIZE: &str =
"datafusion.execution.coalesce_target_batch_size";
+/// Configuration option "datafusion.optimizer.skip_failed_rules"
Review Comment:
💯 for it being a config setting
##########
datafusion/optimizer/src/optimizer.rs:
##########
@@ -97,13 +106,85 @@ impl Optimizer {
debug!("Input logical plan:\n{}\n", plan.display_indent());
trace!("Full input logical plan:\n{:?}", plan);
for rule in &self.rules {
- new_plan = rule.optimize(&new_plan, optimizer_config)?;
- observer(&new_plan, rule.as_ref());
- debug!("After apply {} rule:\n", rule.name());
- debug!("Optimized logical plan:\n{}\n", new_plan.display_indent());
+ let result = rule.optimize(&new_plan, optimizer_config);
+ match result {
+ Ok(plan) => {
+ new_plan = plan;
+ observer(&new_plan, rule.as_ref());
+ debug!("After apply {} rule:\n", rule.name());
+ debug!("Optimized logical plan:\n{}\n",
new_plan.display_indent());
+ }
+ Err(ref e) => {
+ if optimizer_config.skip_failing_rules {
Review Comment:
```suggestion
if optimizer_config.skip_failing_rules {
// Note to future readers: if you see this warning it
signals a
// bug in the DataFusion optimizer. Please consider
filing a ticket
// https://github.com/apache/arrow-datafusion
```
I think it might be good to tell anyone who sees this error that it is not
expected and that it means there is a bug somewhere in datafusion
##########
datafusion/optimizer/src/optimizer.rs:
##########
@@ -97,13 +106,85 @@ impl Optimizer {
debug!("Input logical plan:\n{}\n", plan.display_indent());
trace!("Full input logical plan:\n{:?}", plan);
for rule in &self.rules {
- new_plan = rule.optimize(&new_plan, optimizer_config)?;
- observer(&new_plan, rule.as_ref());
- debug!("After apply {} rule:\n", rule.name());
- debug!("Optimized logical plan:\n{}\n", new_plan.display_indent());
+ let result = rule.optimize(&new_plan, optimizer_config);
+ match result {
+ Ok(plan) => {
+ new_plan = plan;
+ observer(&new_plan, rule.as_ref());
+ debug!("After apply {} rule:\n", rule.name());
+ debug!("Optimized logical plan:\n{}\n",
new_plan.display_indent());
+ }
+ Err(ref e) => {
+ if optimizer_config.skip_failing_rules {
+ error!(
+ "Skipping optimizer rule {} due to error: {}",
Review Comment:
```suggestion
"Skipping optimizer rule {} due to unexpected
error: {}",
```
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