Module repository 

Repository implementations for PostgreSQL with comprehensive CRUD operations

Structs

AggregateFieldError

A column name rejected by the allow-list, or a reduction that its type cannot answer.

AggregateGroup

One group’s numbers. key is the group’s value; None is a real answer — the rows whose group column is null — and is distinct from “no rows”.

AggregateResult

Groups plus the overall total, computed together.

AggregateSpec

What to group by and what to reduce — the parsed form of the query string.

FilterParams

Filter parameters

PaginatedResult

Paginated result wrapper

PaginationInfo

PaginationParams

Pagination parameters

PostgresRepository

PostgreSQL repository implementation with JSON-based dynamic queries

SortParams

Sorting parameters

Enums

AggregateFn

Which reduction to apply to a column.

FilterCondition

SortDirection

Constants

DEFAULT_GROUP_LIMIT

The default ceiling on distinct groups.

Traits

DatabaseOperations

Database operations trait - requires Serialize for write operations

Entity

Generic entity trait that all repository entities must implement