Late materialization

A columnar query-execution strategy that carries only row positions (not values) through the operator tree and fetches the actual column data as late as possible, avoiding I/O and decompression on rows that later get filtered out.

grounded in: Existing columnar/vectorized SQL engine in the stack (columnar-storage, vectorized-execution, predicate-pushdown) plus the 'Database rigor and throughput' trend theme prioritizing raw performance over