rust-data-processing 0.3.4

Schema-first ingestion (CSV, JSON, Parquet, Excel) into an in-memory DataSet, plus Polars-backed pipelines, SQL, profiling, validation, and map/reduce-style processing.

# Copy to .env and adjust if needed.
# ConnectorX URL (matches docs/CONNECTORS.md placeholder shape):
#   oracle://etl_user:rdp_test_etl@localhost:1521/XEPDB1

ORACLE_PORT=1521
ORACLE_PASSWORD=rdp_test_sys
ORACLE_APP_USER=etl_user
ORACLE_APP_PASSWORD=rdp_test_etl

# Used by run_oracle_tests.py:
ORACLE_CONNECT_URL=oracle://etl_user:rdp_test_etl@localhost:1521/XEPDB1