Database for Queries

Store queries as JSON strings inside of a CSV file.

UserQueryDB

RepoQueryDB

Format

An object of class environment of length 1.

An object of class environment of length 1.

Functions

• UserQueryDB: User QueryDB

• RepoQueryDB: Repo QueryDB

See also

Other R Ecosystem classes: Agent, Ecosystem, QueryQueue

Methods

Public methods

• QueryDB$new()

• QueryDB$save()

• QueryDB$load()

• QueryDB$commit()

• QueryDB$rollback()

---

Method new()

Instantiate a QueryDB object

Usage

QueryDB$new(path, immediate = FALSE)

Arguments

path

(character) A character denoting an existing directory of the Archive for which metadata will be aved and returned.

immediate

(logical) Should queries be committed immediately?

---

Method save()

Save a query in the database

Usage

QueryDB$save(
  data = list(),
  entity = character(),
  type = character(),
  id = character(),
  alias = character()
)

Arguments

data

(list) The query data.

entity

(character) The entity name. For example "repo" or "user".

type

(character) The query type. For example "overview" or "contributors".

id

(character) The entity id. For example "280924484" or "clintools".

alias

(character) The entity alias name. For example "dplyr" or "hadley".

---

Method load()

Load queries from database

Usage

QueryDB$load()

---

Method commit()

Commit entires to database

Usage

QueryDB$commit()

---

Method rollback()

Rollback changes from the database

Usage

QueryDB$rollback()