Crate arrow_schema

Arrow logical types

Modules

• ffi
  Contains declarations to bind to the C Data Interface.

Structs

• Field
  Describes a single column in a Schema.
• Fields
  A cheaply cloneable, owned slice of FieldRef
• Schema
  Describes the meta-data of an ordered sequence of relative types.
• SchemaBuilder
  A builder to facilitate building a Schema from iteratively from FieldRef
• SortOptions
  Options that define the sort order of a given column
• UnionFields
  A cheaply cloneable, owned collection of FieldRef and their corresponding type ids

Enums

• ArrowError
  Many different operations in the arrow crate return this error type.
• DataType
  Datatypes supported by this implementation of Apache Arrow.
• IntervalUnit
  YEAR_MONTH, DAY_TIME, MONTH_DAY_NANO interval in SQL style.
• TimeUnit
  An absolute length of time in seconds, milliseconds, microseconds or nanoseconds.
• UnionMode
  Sparse or Dense union layouts

Constants

• DECIMAL128_MAX_PRECISION
  The maximum precision for DataType::Decimal128 values
• DECIMAL128_MAX_SCALE
  The maximum scale for DataType::Decimal128 values
• DECIMAL256_MAX_PRECISION
  The maximum precision for DataType::Decimal256 values
• DECIMAL256_MAX_SCALE
  The maximum scale for DataType::Decimal256 values
• DECIMAL_DEFAULT_SCALE
  The default scale for DataType::Decimal128 and DataType::Decimal256 values

Type Aliases

• FieldRef
  A reference counted Field
• SchemaRef
  A reference-counted reference to a Schema.