Module substrait_expr::helpers::schema

Structs

• EmptySchema
  A schema that does not know types or names
• FullSchema
  A schema that knows both the types and names of its fields
• FullSchemaNode
  A field in a schema that knows both types and names
• NamesOnlySchema
  Represents a potentially nested schema where we only know the names and not the types of the fields.
• NamesOnlySchemaNode
  A field in a names-only schema
• TypesOnlySchema
  A schema that knows the types (but not names) of its fields

Enums

• SchemaInfo
  A schema represents what we know about the input to an expression