Module lakehouse 

R18 lakehouse SQL extensions: delta/hudi providers, AS OF, MERGE INTO.

Structs

AsOfTableRef

Parsed AS OF qualifier attached to a table reference.

MergeResult

MERGE metrics returned as a single-row batch.

MergeTargetUnsupportedError

Target table format is not Delta or Iceberg.

Functions

apply_as_of_refs

Apply AS OF qualifiers by re-registering pinned delta/hudi tables.

execute_merge_sql

Parse and execute a MERGE INTO statement when matched.

preprocess_as_of_sql

Strip AS OF clauses and return rewritten SQL plus qualifiers.

register_delta_uri

Register delta.<path> as a logical table name delta_<sanitized>.

register_hudi_uri

Register hudi.<path> table.

register_scan_batches

Register in-memory batches as a DataFusion table.