chMDB: An MDB (Modeled DataBase) relying on ClickHouse: chMDB

In TKCat: Tailored Knowledge Catalog

An MDB (Modeled DataBase) relying on ClickHouse: chMDB

Description

An MDB (Modeled DataBase) relying on ClickHouse: chMDB

Rename tables of a chMDB object

Usage

chMDB(
  tkcon,
  dbTables,
  dbInfo,
  dataModel,
  collectionMembers = NULL,
  check = TRUE,
  n_max = 10,
  verbose = FALSE
)

## S3 replacement method for class 'chMDB'
names(x) <- value

## S3 method for class 'chMDB'
rename(.data, ...)

## S3 method for class 'chMDB'
x[i]

## S3 method for class 'chMDB'
x[[i]]

Arguments

tkcon	a chTKCat object
dbTables	a named vector of tables in tkcon$chcon with all(names(dbTables) %in% names(dataModel))
dbInfo	a list with DB information: "name" (only mandatory field), "title", "description", "url", "version", "maintainer".
dataModel	a ReDaMoR::RelDataModel object
collectionMembers	the members of collections as provided to the collection_members<- function (default: NULL ==> no member).
check	logical: if TRUE (default) the data are confronted to the data model
n_max	maximum number of records to read for checks purpose (default: 10). If 0, the data are not checked. See also ReDaMoR::confront_data().
verbose	if TRUE display the data confrontation report
x	a chMDB object
value	new table names
.data	a chMDB object
...	Use new_name = old_name to rename selected tables
i	the index or the name of the tables to take

Value

A chMDB object

See Also

• MDB methods: db_info, data_model, data_tables, collection_members, count_records, dims, filter_with_tables, as_fileMDB

• Additional general documentation is related to MDB.

• filter.chMDB, slice.chMDB

• chTKCat, db_disconnect(), db_reconnect()

TKCat documentation built on Feb. 16, 2023, 10:51 p.m.