struct Clickhouse::Response

• Clickhouse::Response
• Struct
• Value
• Object

Included Modules

• Enumerable(Array(Array(Float32) | Array(Float64) | Array(Int16) | Array(Int32) | Array(Int64) | Array(Int8) | Array(String) | Array(Time) | Array(UInt16) | Array(UInt32) | Array(UInt64) | Array(UInt8) | Float32 | Float64 | Int16 | Int32 | Int64 | Int8 | String | Time | UInt16 | UInt32 | UInt64 | UInt8 | Nil))

Defined in:

Constructors

• .new(uri : URI, req : Request | InsertRequest, http : HTTP::Client::Response, time : Time::Span)

Instance Method Summary

• #body(*args, **options)
• #body(*args, **options, &)
• #clone
• #copy_with(uri _uri = @uri, req _req = @req, http _http = @http, time _time = @time)
• #data : Array(Array(JSON::Any))
• #data(*args, **options)
• #data(*args, **options, &)
• #data=(v : Array(Array(JSON::Any))) : Array(Array(JSON::Any))
• #data=(v : Nil)

  nil assignments are always ignored

• #data? : Array(Array(JSON::Any)) | Nil
• #each(&)

  define 'each' directly since 'delegate' fails

• #each_hash(&)

  TODO optimize

• #http : HTTP::Client::Response
• #map(*types : *T) forall T

  crystal res = execute <<-SQL SELECT engine, count(*) FROM system.tables GROUP BY engine SQL records = res.success!.map(String, UInt64) records.each do |(name, cnt)| p [name, cnt]

• #map(**types : **T) forall T

  crystal res = execute <<-SQL SELECT engine, count(*) FROM system.tables GROUP BY engine SQL records = res.success!.map(name: String, cnt: UInt64) records.each do |record| p [record["name"], record["cnt"]]

• #map_nil(*types : *T) forall T

  crystal res = execute <<-SQL SELECT engine, count(*) FROM system.tables GROUP BY engine SQL records = res.success!.map(String, UInt64) records.each do |(name, cnt)| p [name, cnt]

• #map_nil(**types : **T) forall T

  crystal res = execute <<-SQL SELECT engine, count(*) FROM system.tables GROUP BY engine SQL records = res.success!.map(name: String, cnt: UInt64) records.each do |record| p [record["name"], record["cnt"]]

• #meta(*args, **options)
• #meta(*args, **options, &)
• #parsed : JSONCompactParser
• #parsed=(v : JSONCompactParser) : JSONCompactParser
• #parsed=(v : Nil)

  nil assignments are always ignored

• #parsed? : JSONCompactParser | Nil
• #records : Array(Record)

  crystal res = execute <<-SQL SELECT engine, count(*) FROM system.tables GROUP BY engine SQL records = res.success!.records records.each do |hash| p hash["engine"]

• #req : Request | InsertRequest
• #rows(*args, **options)
• #rows(*args, **options, &)
• #scalar(*args, **options)
• #scalar(*args, **options, &)
• #statistics(*args, **options)
• #statistics(*args, **options, &)
• #status_code(*args, **options)
• #status_code(*args, **options, &)
• #success! : Response
• #success? : Response | Nil
• #time : Time::Span
• #to_json : String
• #uri : URI

Constructor Detail

Instance Method Detail

res = execute <<-SQL
  SELECT   engine, count(*)
  FROM     system.tables
  GROUP BY engine
  SQL
records = res.success!.map(String, UInt64)
records.each do |(name, cnt)|
  p [name, cnt]

res = execute <<-SQL
  SELECT   engine, count(*)
  FROM     system.tables
  GROUP BY engine
  SQL
records = res.success!.map(name: String, cnt: UInt64)
records.each do |record|
  p [record["name"], record["cnt"]]

res = execute <<-SQL
  SELECT   engine, count(*)
  FROM     system.tables
  GROUP BY engine
  SQL
records = res.success!.map(String, UInt64)
records.each do |(name, cnt)|
  p [name, cnt]

res = execute <<-SQL
  SELECT   engine, count(*)
  FROM     system.tables
  GROUP BY engine
  SQL
records = res.success!.map(name: String, cnt: UInt64)
records.each do |record|
  p [record["name"], record["cnt"]]

res = execute <<-SQL
  SELECT   engine, count(*)
  FROM     system.tables
  GROUP BY engine
  SQL
records = res.success!.records
records.each do |hash|
  p hash["engine"]