Add scenario test for delete partition

Author: xieandrew

ice-rest-catalog/src/test/resources/scenarios/delete-partition/run.sh.tmpl

@@ -0,0 +1,44 @@
+#!/bin/bash
+set -e
+
+echo "Running delete partition test..."
+
+# Create namespace
+{{ICE_CLI}} --config {{CLI_CONFIG}} create-namespace ${NAMESPACE_NAME}
+echo "OK Created namespace: ${NAMESPACE_NAME}"
+
+# Get the full path to the input file
+SCENARIO_DIR="{{SCENARIO_DIR}}"
+INPUT_PATH="${SCENARIO_DIR}/${INPUT_FILE}"
+
+# Create table with partitioning and insert data
+{{ICE_CLI}} --config {{CLI_CONFIG}} insert --create-table ${TABLE_NAME} ${INPUT_PATH} --partition="${PARTITION_SPEC}"
+echo "OK Inserted data with partitioning into table ${TABLE_NAME}"
+
+# Delete partition for a specific day
+output=$({{ICE_CLI}} --config {{CLI_CONFIG}} delete ${TABLE_NAME} --partition "[{\"name\": \"${TRANSFORMED_PARTITION_COLUMN}\", \"values\": [\"${DELETE_PARTITION_DAY}\"]}]" 2>&1)
+
+echo "$output"
+
+line_count=$(echo "$output" | wc -l)
+
+if [ "$line_count" -ne 1 ]; then
+  echo "FAIL Expected 1 line, got $line_count"
+  exit 1
+fi
+
+if ! echo "$output" | grep -qF "${TRANSFORMED_PARTITION_COLUMN}=${DELETE_PARTITION_DAY}"; then
+  echo "FAIL Expected output to contain '${TRANSFORMED_PARTITION_COLUMN}=${DELETE_PARTITION_DAY}'"
+  exit 1
+fi
+
+echo "OK Deleted partition with value ${DELETE_PARTITION_DAY}"
+
+# Cleanup
+{{ICE_CLI}} --config {{CLI_CONFIG}} delete-table ${TABLE_NAME}
+echo "OK Deleted table: ${TABLE_NAME}"
+
+{{ICE_CLI}} --config {{CLI_CONFIG}} delete-namespace ${NAMESPACE_NAME}
+echo "OK Deleted namespace: ${NAMESPACE_NAME}"
+
+echo "Delete partition test completed successfully"

ice-rest-catalog/src/test/resources/scenarios/delete-partition/scenario.yaml

@@ -0,0 +1,14 @@
+name: Delete partition
+description: Tests deleting individual partitions by value
+
+catalogConfig:
+  warehouse: s3://test-bucket/warehouse
+
+env:
+  NAMESPACE_NAME: test_delete_partition
+  TABLE_NAME: test_delete_partition.tripdata_p_by_day
+  INPUT_FILE: tripdata.parquet
+  PARTITION_SPEC: '[{"column":"tpep_pickup_datetime","transform":"day"}]'
+  PARTITION_COLUMN: tpep_pickup_datetime
+  TRANSFORMED_PARTITION_COLUMN: tpep_pickup_datetime_day
+  DELETE_PARTITION_DAY: 2025-01-02

ice-rest-catalog/src/test/resources/scenarios/delete-partition/tripdata.parquet

@@ -387,6 +387,9 @@ public static Integer applyTimestampTransform(Table table, String fieldName, Obj
     if (transform.isIdentity() || !(value instanceof String s)) {
       return null;
     }
+    if (s.isEmpty()) {
+      return null;
+    }
 
     Type sourceType = table.schema().findType(partitionField.sourceId());
     if (!(sourceType instanceof Types.TimestampType)) {