Module executor 

Aegis Query Executor

Executes query plans using a Volcano-style iterator model. Implements vectorized execution for improved performance.

Key Features:

• Pull-based iterator execution
• Vectorized batch processing
• Memory-efficient result streaming
• Support for parallel execution

@version 0.1.0 @author AutomataNexus Development Team

Structs

ColumnSchema

Column schema information.

EvalContext

Context for expression evaluation, optionally holding executor for subqueries.

ExecutionContext

Context for query execution.

ExecutionContextSnapshot

Serializable snapshot of the execution context for persistence.

Executor

Query executor.

IndexSchema

Index schema information.

QueryResult

Complete query result.

ResultBatch

A batch of result rows.

StoredConstraint

Stored table constraint.

TableData

In-memory table data for execution.

TableSchema

Table schema information.

Enums

ExecutorError

StoredConstraintType

Stored constraint type.

Traits

Operator

Operator in the execution pipeline.

Type Aliases

ExecutorResult