BuiltInMetadata.Collation (Apache Calcite API)

All Superinterfaces:

Metadata

All Known Subinterfaces:

BuiltInMetadata.All

Enclosing class:

BuiltInMetadata
```
public static interface BuiltInMetadata.Collation
extends Metadata
```
Metadata about which columns are sorted.

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Interface Description
  
  static interface BuiltInMetadata.Collation.Handler
  Handler API.
- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static MetadataDef<BuiltInMetadata.Collation> DEF
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  com.google.common.collect.ImmutableList<RelCollation> collations()
  Determines which columns are sorted.
  - Methods inherited from interface org.apache.calcite.rel.metadata.Metadata
    rel

Field Detail

DEF

static final MetadataDef<BuiltInMetadata.Collation> DEF

Method Detail

collations

com.google.common.collect.ImmutableList<RelCollation> collations()

Determines which columns are sorted.