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module Neo4j
class Label
class << self
def constraints(session = Neo4j::Session.current)
session.connection.get(CONSTRAINT_PATH).body
end
def constraint?(label_name, property, session = Neo4j::Session.current)
label_constraints = session.connection.get("#{CONSTRAINT_PATH}/#{label_name}").body
!label_constraints.select { |c| c[:label] == label_name.to_s && c[:property_keys].first == property.to_s }.empty?
end
def indexes(session = Neo4j::Session.current)
session.connection.get(INDEX_PATH).body
end
def index?(label_name, property, session = Neo4j::Session.current)
label_indexes = session.connection.get("#{INDEX_PATH}/#{label_name}").body
!label_indexes.select { |i| i[:label] == label_name.to_s && i[:property_keys].first == property.to_s }.empty?
end
def drop_all_indexes(session = Neo4j::Session.current)
indexes.each do |i|
begin
session._query_or_fail("DROP INDEX ON :`#{i[:label]}`(#{i[:property_keys].first})")
rescue Neo4j::Server::CypherResponse::ResponseError
# This will error on each constraint. Ignore and continue.
next
end
end
end
def drop_all_constraints(session = Neo4j::Session.current)
constraints.each do |c|
session._query_or_fail("DROP CONSTRAINT ON (n:`#{c[:label]}`) ASSERT n.`#{c[:property_keys].first}` IS UNIQUE")
end
end
end
end
end
Version data entries
87 entries across 87 versions & 1 rubygems