class Blazer::Adapters::ElasticsearchAdapter
Public Instance Methods
preview_statement()
click to toggle source
# File lib/blazer/adapters/elasticsearch_adapter.rb, line 35 def preview_statement "SELECT * FROM \"{table}\" LIMIT 10" end
run_statement(statement, comment)
click to toggle source
# File lib/blazer/adapters/elasticsearch_adapter.rb, line 4 def run_statement(statement, comment) columns = [] rows = [] error = nil begin response = client.xpack.sql.query(body: {query: "#{statement} /*#{comment}*/"}) columns = response["columns"].map { |v| v["name"] } # Elasticsearch does not differentiate between dates and times date_indexes = response["columns"].each_index.select { |i| response["columns"][i]["type"] == "date" } if columns.any? rows = response["rows"] date_indexes.each do |i| rows.each do |row| row[i] = Time.parse(row[i]) end end end rescue => e error = e.message end [columns, rows, error] end
tables()
click to toggle source
# File lib/blazer/adapters/elasticsearch_adapter.rb, line 29 def tables indices = client.cat.indices(format: "json").map { |v| v["index"] } aliases = client.cat.aliases(format: "json").map { |v| v["alias"] } (indices + aliases).uniq.sort end
Protected Instance Methods
client()
click to toggle source
# File lib/blazer/adapters/elasticsearch_adapter.rb, line 41 def client @client ||= Elasticsearch::Client.new(url: settings["url"]) end