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Add count distinct aggregate function #1314

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Merged
merged 1 commit into from
May 15, 2025
Merged

Add count distinct aggregate function #1314

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3 changes: 2 additions & 1 deletion src/alerts/alerts_utils.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@
use arrow_array::{Float64Array, Int64Array, RecordBatch};
use datafusion::{
functions_aggregate::{
count::count,
count::{count, count_distinct},
expr_fn::avg,
min_max::{max, min},
sum::sum,
Expand Down Expand Up @@ -387,6 +387,7 @@ fn match_aggregate_operation(agg: &AggregateConfig) -> Expr {
let column = format!(r#""{}""#, agg.column);
match agg.aggregate_function {
AggregateFunction::Avg => avg(col(column)),
AggregateFunction::CountDistinct => count_distinct(col(column)),
AggregateFunction::Count => count(col(column)),
AggregateFunction::Min => min(col(column)),
AggregateFunction::Max => max(col(column)),
Expand Down
2 changes: 2 additions & 0 deletions src/alerts/mod.rs
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Expand Up @@ -290,6 +290,7 @@ impl Display for WhereConfigOperator {
pub enum AggregateFunction {
Avg,
Count,
CountDistinct,
Min,
Max,
Sum,
Expand All @@ -300,6 +301,7 @@ impl Display for AggregateFunction {
match self {
AggregateFunction::Avg => write!(f, "Avg"),
AggregateFunction::Count => write!(f, "Count"),
AggregateFunction::CountDistinct => write!(f, "CountDistinct"),
AggregateFunction::Min => write!(f, "Min"),
AggregateFunction::Max => write!(f, "Max"),
AggregateFunction::Sum => write!(f, "Sum"),
Expand Down
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