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
()