MassSqliteConn-class {biodb} | R Documentation

## Class for handling a Mass spectrometry database in SQLite format.

### Description

This is the connector class for a MASS SQLite database.

### Methods

`getChromCol(ids = NULL)`

  :

  Gets a list of chromatographic columns contained in this database.

  ids: A character vector of entry identifiers (i.e.: accession numbers). Used to restrict the set of entries on which to run the algorithm.

  Returned value : A data.frame with two columns, one for the ID 'id' and another one for the title 'title'.

### See Also

Super classes `BiodbMassdbConn` and `SqliteConn`.

### Examples

    # Create an instance with default settings:
    mybiodb <- biodb::newInst()

    # Get path to LCMS database example file
    lcmsdb <- system.file("extdata", "massbank_extract.sqlite", package="biodb")

    # Create a connector
    conn <- mybiodb$getFactory()$createConn('mass.sqlite', url=lcmsdb)

    # Get an entry
    e <- conn$getEntry('34.pos.col12.0.78')

    # Terminate instance.
    mybiodb$terminate()

[Package biodb version 1.0.4 Index]