Module descriptors

Structs

• ColumnDescriptor
  A ColumnDescriptor contains information to create a column.
• ColumnDescriptorBuilder
  Builder for ColumnDescriptor.
• RegionId
  Id of the region. It’s generated by concatenating table id, region group and region number.

Enums

• ColumnDescriptorBuilderError
  Error type for ColumnDescriptorBuilder

Constants

• MAX_REGION_SEQ
  The max valid region sequence number.
• REGION_GROUP_MASK 🔒
• REGION_SEQ_MASK 🔒

Type Aliases

• ColumnId
  Id of column. Unique in each region.
• RegionGroup
  Group number of one region. Unique in each region.
• RegionNumber
  Id of regions under the same table. Unique in each table. Is composed by RegionGroup and RegionSeq.
• RegionSeq
  Sequence number of region inside one table. Unique in each table. The first 8 bits are preserved for RegionGroup.
• TableId
  Id of table. Universal unique.