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feat: Add support for RegExpExtract/RegExpExtractAll #2831

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feat: Add support for RegExpExtract/RegExpExtractAll #2831

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68f74ae
prototype
danielhumanmod Nov 30, 2025
4dbed77
refactor strings.scala
danielhumanmod Nov 30, 2025
f101362
test, format and configs
danielhumanmod Dec 1, 2025
ff1ebd6
make regexp_extract more align with spark's behavior
danielhumanmod Dec 1, 2025
87dfed4
Solve comments (test not yet fixed)
danielhumanmod Dec 3, 2025
d83cac5
fix regexp_extract_all test failure
danielhumanmod Dec 3, 2025
f2d82b3
refactor udf impl
danielhumanmod Dec 7, 2025
84c0132
fix rust lint
danielhumanmod Dec 7, 2025
a55263f
minor updates
danielhumanmod Dec 7, 2025
5de2413
Merge remote-tracking branch 'apache/main' into regexp-extract-impl
andygrove Dec 22, 2025
4b599d9
fix escape issue in test
danielhumanmod Dec 29, 2025
65b2390
Merge remote-tracking branch 'apache/main' into regexp-extract-impl
danielhumanmod Dec 29, 2025
e11a3ef
Merge branch 'main' into regexp-extract-impl
danielhumanmod Dec 29, 2025
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2 changes: 2 additions & 0 deletions docs/source/user-guide/latest/configs.md
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Expand Up @@ -291,6 +291,8 @@ These settings can be used to determine which parts of the plan are accelerated
| `spark.comet.expression.RLike.enabled` | Enable Comet acceleration for `RLike` | true |
| `spark.comet.expression.Rand.enabled` | Enable Comet acceleration for `Rand` | true |
| `spark.comet.expression.Randn.enabled` | Enable Comet acceleration for `Randn` | true |
| `spark.comet.expression.RegExpExtract.enabled` | Enable Comet acceleration for `RegExpExtract` | true |
| `spark.comet.expression.RegExpExtractAll.enabled` | Enable Comet acceleration for `RegExpExtractAll` | true |
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@coderfender coderfender Jan 6, 2026

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Perhaps the default configs can be false ? (given that COMET_REGEXP_ALLOW_INCOMPATIBLE is defaulted to false)

| `spark.comet.expression.RegExpReplace.enabled` | Enable Comet acceleration for `RegExpReplace` | true |
| `spark.comet.expression.Remainder.enabled` | Enable Comet acceleration for `Remainder` | true |
| `spark.comet.expression.Reverse.enabled` | Enable Comet acceleration for `Reverse` | true |
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4 changes: 3 additions & 1 deletion native/spark-expr/src/comet_scalar_funcs.rs
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Expand Up @@ -23,7 +23,7 @@ use crate::{
spark_array_repeat, spark_ceil, spark_decimal_div, spark_decimal_integral_div, spark_floor,
spark_hex, spark_isnan, spark_lpad, spark_make_decimal, spark_read_side_padding, spark_round,
spark_rpad, spark_unhex, spark_unscaled_value, EvalMode, SparkBitwiseCount, SparkBitwiseNot,
SparkDateTrunc, SparkStringSpace,
SparkDateTrunc, SparkRegExpExtract, SparkRegExpExtractAll, SparkStringSpace,
};
use arrow::datatypes::DataType;
use datafusion::common::{DataFusionError, Result as DataFusionResult};
Expand Down Expand Up @@ -199,6 +199,8 @@ fn all_scalar_functions() -> Vec<Arc<ScalarUDF>> {
Arc::new(ScalarUDF::new_from_impl(SparkBitwiseCount::default())),
Arc::new(ScalarUDF::new_from_impl(SparkDateTrunc::default())),
Arc::new(ScalarUDF::new_from_impl(SparkStringSpace::default())),
Arc::new(ScalarUDF::new_from_impl(SparkRegExpExtract::default())),
Arc::new(ScalarUDF::new_from_impl(SparkRegExpExtractAll::default())),
]
}

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2 changes: 2 additions & 0 deletions native/spark-expr/src/string_funcs/mod.rs
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Expand Up @@ -15,8 +15,10 @@
// specific language governing permissions and limitations
// under the License.

mod regexp_extract;
mod string_space;
mod substring;

pub use regexp_extract::{SparkRegExpExtract, SparkRegExpExtractAll};
pub use string_space::SparkStringSpace;
pub use substring::SubstringExpr;
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