RelOptSchemaWithSampling (Apache Calcite API)

All Superinterfaces:

RelOptSchema
```
public interface RelOptSchemaWithSampling
extends RelOptSchema
```
Extension to RelOptSchema with support for sample data-sets.

See Also:

RelOptSchema

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`RelOptTable`	`getTableForMember(java.util.List<java.lang.String> names, java.lang.String datasetName, boolean[] usedDataset)`	Retrieves a `RelOptTable` based upon a member access, using a sample dataset if it exists.

Methods inherited from interface org.apache.calcite.plan.RelOptSchema
getTableForMember, getTypeFactory, registerRules

- Method Detail
  - getTableForMember
```
RelOptTable getTableForMember(java.util.List<java.lang.String> names,
                              java.lang.String datasetName,
                              boolean[] usedDataset)
```
    Retrieves a RelOptTable based upon a member access, using a sample dataset if it exists.
    
    Parameters:
    
    names - Compound name of table
    
    datasetName - Name of sample dataset to substitute, if it exists; null to not look for a sample
    
    usedDataset - Output parameter which is set to true if a sample dataset is found; may be null
    
    Returns:
    
    Table, or null if not found