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What's new in ArpeTeradata

Feature-oriented release highlights for ArpeTeradata, the native Teradata ADBC driver that speaks the Teradata wire protocol directly and streams Apache Arrow end to end, with no ODBC and no teradatasql.

Connection URIs and strings — October 2026 (v0.3.5)​

teradata:// URIs (also arpeteradata:// and teradatasql://) and ADO.NET connection strings, alongside discrete options.

LDAP, JWT and Kerberos logons — October 2026 (v0.3.4)​

New options adbc.arpeteradata.logmech, logdata and kerberos_spn; JWT and Kerberos also log on over TLS without TTU.

Windows legacy-port logon — October 2026 (v0.3.3)​

On Windows, servers without TLS are reached through your installed TTU, as on Linux.

Bulk ingest — October 2026 (v0.3.2)​

adbc_ingest in create, append, replace and create_append modes; new option adbc.arpeteradata.ingest.varchar_length.

Windows x64 and NuGet — October 2026 (v0.3.0)​

A self-contained Windows x64 DLL, the ArpeTeradata.AdbcDriver NuGet package, and the new option adbc.arpeteradata.ttu_path.

Richer metadata — October 2026 (v0.2.9)​

Constraints in GetObjects, GetStatistics, and the Teradata type of every column in ARPETERADATA:type field metadata.

Request cancel — October 2026 (v0.2.5)​

AdbcStatementCancel and AdbcConnectionCancel stop a running request.

Logon over TLS without TTU — October 2026 (v0.2.4)​

TD2 logon over TLS with no Teradata software on the client; new options sslmode, https_port, sslca and sslcapath.

LOBs and large rows — October 2026 (v0.2.3)​

CLOB, BLOB, JSON, XML, DATASET and ST_Geometry columns, and rows over 64 KB.

PERIOD, ARRAY and VECTOR — October 2026 (v0.2.2)​

PERIOD as structs, ARRAY and VECTOR as lists, and user-defined types.

Extract-ready — October 2026 (v0.2.0)​

DECIMAL up to 38 digits, the batch_size option, parameterised SELECT, and the licence gate.

Metadata — September 2026 (v0.1.3)​

GetObjects over the Teradata data dictionary.

Parameter binding — September 2026 (v0.1.1)​

Prepare, Bind and BindStream for DML.

The native Teradata engine — foundational (v0.1.0)​

The Teradata parcel protocol, decoded straight into Arrow.

To report an issue or request a licence, contact sales@arpe.io or visit https://www.arpe.io.