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 🔒

Functions

str_or_u64 🔒

FIXME(discord9): workaround for serde issue: https://github.com/serde-rs/json/issues/1254

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.