From e83ff926df003eb03be2ff4f2f7c6a09262791da Mon Sep 17 00:00:00 2001
From: ag-ramachandran <ramacg@microsoft.com>
Date: Tue, 24 Mar 2026 20:25:17 +0530
Subject: [PATCH] *Allow transformation functions for CSV and SCSV formats as
 well

---
 .../kusto/ingest/ingestion_properties.py      |  2 +-
 .../tests/test_ingestion_properties.py        | 20 +++++++++++++++++++
 uv.lock                                       |  8 ++++----
 3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/azure-kusto-ingest/azure/kusto/ingest/ingestion_properties.py b/azure-kusto-ingest/azure/kusto/ingest/ingestion_properties.py
index 99b0b09e..388dedbb 100644
--- a/azure-kusto-ingest/azure/kusto/ingest/ingestion_properties.py
+++ b/azure-kusto-ingest/azure/kusto/ingest/ingestion_properties.py
@@ -72,7 +72,7 @@ class ColumnMapping:
     FIELD_NAME = "Field"
 
     NEEDED_PROPERTIES: Dict[IngestionMappingKind, List[str]] = {
-        IngestionMappingKind.CSV: [ORDINAL, CONST_VALUE],
+        IngestionMappingKind.CSV: [ORDINAL, CONST_VALUE, TRANSFORMATION_METHOD],
         IngestionMappingKind.JSON: [PATH, CONST_VALUE, TRANSFORMATION_METHOD],
         IngestionMappingKind.AVRO: [PATH, CONST_VALUE, FIELD_NAME, TRANSFORMATION_METHOD],
         IngestionMappingKind.APACHEAVRO: [PATH, CONST_VALUE, FIELD_NAME, TRANSFORMATION_METHOD],
diff --git a/azure-kusto-ingest/tests/test_ingestion_properties.py b/azure-kusto-ingest/tests/test_ingestion_properties.py
index d0251e61..b0b3837a 100644
--- a/azure-kusto-ingest/tests/test_ingestion_properties.py
+++ b/azure-kusto-ingest/tests/test_ingestion_properties.py
@@ -90,3 +90,23 @@ def test_with_constant_value():
         data_format=DataFormat.PARQUET,
         ingestion_mapping_kind=IngestionMappingKind.PARQUET,
     )
+
+
+@pytest.mark.parametrize(
+    "transform,data_format,mapping_kind",
+    [
+        (TransformationMethod.SOURCE_LOCATION, DataFormat.CSV, IngestionMappingKind.CSV),
+        (TransformationMethod.SOURCE_LINE_NUMBER, DataFormat.CSV, IngestionMappingKind.CSV),
+        (TransformationMethod.SOURCE_LOCATION, DataFormat.TSV, IngestionMappingKind.CSV),
+        (TransformationMethod.SOURCE_LOCATION, DataFormat.SCSV, IngestionMappingKind.CSV),
+    ],
+)
+def test_csv_mapping_with_transform_only(transform, data_format, mapping_kind):
+    """Transform-only CSV column mappings should be valid without Ordinal or ConstValue. See #627."""
+    IngestionProperties(
+        database="database",
+        table="table",
+        column_mappings=[ColumnMapping("test", "string", transform=transform)],
+        data_format=data_format,
+        ingestion_mapping_kind=mapping_kind,
+    )
diff --git a/uv.lock b/uv.lock
index 47bbda24..a976d6f1 100644
--- a/uv.lock
+++ b/uv.lock
@@ -229,7 +229,7 @@ wheels = [
 
 [[package]]
 name = "azure-kusto-data"
-version = "6.0.1"
+version = "6.0.2"
 source = { editable = "azure-kusto-data" }
 dependencies = [
     { name = "azure-core" },
@@ -265,7 +265,7 @@ provides-extras = ["pandas", "aio"]
 
 [[package]]
 name = "azure-kusto-ingest"
-version = "6.0.1"
+version = "6.0.2"
 source = { editable = "azure-kusto-ingest" }
 dependencies = [
     { name = "azure-kusto-data" },
@@ -291,7 +291,7 @@ provides-extras = ["pandas", "aio"]
 
 [[package]]
 name = "azure-kusto-python"
-version = "6.0.1"
+version = "6.0.2"
 source = { virtual = "." }
 dependencies = [
     { name = "azure-kusto-data" },
@@ -1770,7 +1770,7 @@ wheels = [
 
 [[package]]
 name = "quick-start"
-version = "6.0.1"
+version = "6.0.2"
 source = { virtual = "quick-start" }
 dependencies = [
     { name = "azure-core-tracing-opentelemetry" },