LexiconQuery

class polyglotdb.query.lexicon.query.LexiconQuery(corpus, to_find)[source]

Class for generating a Cypher query over the lexicon (type information about annotations in the corpus)

Methods

__init__(corpus, to_find)

aggregate(*args)

Aggregate the results of the query by a grouping factor or overall.

all()

cache()

clear_columns()

Remove any columns specified.

columns(*args)

Add one or more additional columns to the results.

count()

Returns the number of rows in the query.

create_subset(label)

Create a type subset

cypher()

Generates a Cypher statement based on the query.

cypher_params()

delete()

Remove the results of a query from the graph.

filter(*args)

Apply one or more filters to a query.

generate_return()

Generates final statement from query object, calling whichever one of the other generate statements is specified in the query obj

get()

group_by(*args)

Specify one or more fields for how aggregates should be grouped.

limit(limit)

sets object limit to parameter limit

offset(number)

optional_nodes()

order_by(field[, descending])

Specify how the results of the query should be ordered.

preload(*args)

remove_subset(label)

Delete a subset label from the corpus.

required_nodes()

set_properties(**kwargs)

Set properties of the returned data.

to_csv(path)

Same as all, but the results of the query are output to the specified path as a CSV file.

to_json()