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October 28, 2016 04:22
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| require "kemal" | |
| require "pg" | |
| DB = PG.connect(ENV["DATABASE_URL"]) | |
| get "/" do |env| | |
| env.response.content_type = "application/json" | |
| result = DB.exec("SELECT id, username FROM members LIMIT 1000") | |
| result.to_hash.to_json | |
| end | |
| Kemal.run |
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| Error in ./api.cr:9: instantiating 'Array(Hash(String, Array(Bool | Nil) | Array(Bool) | Array(Char | Nil) | Array(Char) | Array(Float32 | Nil) | Array(Float32) | Array(Float64 | Nil) | Array(Float64) | Array(Int16 | Nil) | Array(Int16) | Array(Int32 | Nil) | Array(Int32) | Array(Int64 | Nil) | Array(Int64) | Array(PG::BoolArray) | Array(PG::CharArray) | Array(PG::Float32Array) | Array(PG::Float64Array) | Array(PG::Geo::Point) | Array(PG::Int16Array) | Array(PG::Int32Array) | Array(PG::Int64Array) | Array(PG::StringArray) | Array(String | Nil) | Array(String) | Bool | Char | Float32 | Float64 | Int16 | Int32 | Int64 | JSON::Any | PG::Geo::Box | PG::Geo::Circle | PG::Geo::Line | PG::Geo::LineSegment | PG::Geo::Path | PG::Geo::Point | PG::Numeric | Slice(UInt8) | String | Time | UInt32 | Nil))#to_json()' | |
| result.to_hash.to_json | |
| ^~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:3: instantiating 'String:Class#build()' | |
| String.build do |str| | |
| ^~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/string.cr:234: instantiating 'String::Builder:Class#build(Int32)' | |
| String::Builder.build(capacity) do |builder| | |
| ^~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/string.cr:234: instantiating 'String::Builder:Class#build(Int32)' | |
| String::Builder.build(capacity) do |builder| | |
| ^~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:3: instantiating 'String:Class#build()' | |
| String.build do |str| | |
| ^~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:4: instantiating 'to_json(String::Builder)' | |
| to_json str | |
| ^~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:225: instantiating 'String::Builder#json_array()' | |
| io.json_array do |array| | |
| ^~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:225: instantiating 'String::Builder#json_array()' | |
| io.json_array do |array| | |
| ^~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:226: instantiating 'each()' | |
| each do |element| | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/indexable.cr:151: instantiating 'each_index()' | |
| each_index do |i| | |
| ^~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/indexable.cr:151: instantiating 'each_index()' | |
| each_index do |i| | |
| ^~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:226: instantiating 'each()' | |
| each do |element| | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:227: instantiating 'JSON::ArrayBuilder(String::Builder)#<<(Hash(String, Array(Bool | Nil) | Array(Bool) | Array(Char | Nil) | Array(Char) | Array(Float32 | Nil) | Array(Float32) | Array(Float64 | Nil) | Array(Float64) | Array(Int16 | Nil) | Array(Int16) | Array(Int32 | Nil) | Array(Int32) | Array(Int64 | Nil) | Array(Int64) | Array(PG::BoolArray) | Array(PG::CharArray) | Array(PG::Float32Array) | Array(PG::Float64Array) | Array(PG::Geo::Point) | Array(PG::Int16Array) | Array(PG::Int32Array) | Array(PG::Int64Array) | Array(PG::StringArray) | Array(String | Nil) | Array(String) | Bool | Char | Float32 | Float64 | Int16 | Int32 | Int64 | JSON::Any | PG::Geo::Box | PG::Geo::Circle | PG::Geo::Line | PG::Geo::LineSegment | PG::Geo::Path | PG::Geo::Point | PG::Numeric | Slice(UInt8) | String | Time | UInt32 | Nil))' | |
| array << element | |
| ^~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:54: instantiating 'push(Hash(String, Array(Bool | Nil) | Array(Bool) | Array(Char | Nil) | Array(Char) | Array(Float32 | Nil) | Array(Float32) | Array(Float64 | Nil) | Array(Float64) | Array(Int16 | Nil) | Array(Int16) | Array(Int32 | Nil) | Array(Int32) | Array(Int64 | Nil) | Array(Int64) | Array(PG::BoolArray) | Array(PG::CharArray) | Array(PG::Float32Array) | Array(PG::Float64Array) | Array(PG::Geo::Point) | Array(PG::Int16Array) | Array(PG::Int32Array) | Array(PG::Int64Array) | Array(PG::StringArray) | Array(String | Nil) | Array(String) | Bool | Char | Float32 | Float64 | Int16 | Int32 | Int64 | JSON::Any | PG::Geo::Box | PG::Geo::Circle | PG::Geo::Line | PG::Geo::LineSegment | PG::Geo::Path | PG::Geo::Point | PG::Numeric | Slice(UInt8) | String | Time | UInt32 | Nil))' | |
| push value | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:59: instantiating 'push()' | |
| push { value.to_json(@io) } | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:59: instantiating 'push()' | |
| push { value.to_json(@io) } | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:59: instantiating 'Hash(String, Array(Bool | Nil) | Array(Bool) | Array(Char | Nil) | Array(Char) | Array(Float32 | Nil) | Array(Float32) | Array(Float64 | Nil) | Array(Float64) | Array(Int16 | Nil) | Array(Int16) | Array(Int32 | Nil) | Array(Int32) | Array(Int64 | Nil) | Array(Int64) | Array(PG::BoolArray) | Array(PG::CharArray) | Array(PG::Float32Array) | Array(PG::Float64Array) | Array(PG::Geo::Point) | Array(PG::Int16Array) | Array(PG::Int32Array) | Array(PG::Int64Array) | Array(PG::StringArray) | Array(String | Nil) | Array(String) | Bool | Char | Float32 | Float64 | Int16 | Int32 | Int64 | JSON::Any | PG::Geo::Box | PG::Geo::Circle | PG::Geo::Line | PG::Geo::LineSegment | PG::Geo::Path | PG::Geo::Point | PG::Numeric | Slice(UInt8) | String | Time | UInt32 | Nil)#to_json(String::Builder)' | |
| push { value.to_json(@io) } | |
| ^~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:255: instantiating 'String::Builder#json_object()' | |
| io.json_object do |object| | |
| ^~~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:255: instantiating 'String::Builder#json_object()' | |
| io.json_object do |object| | |
| ^~~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:256: instantiating 'each()' | |
| each do |key, value| | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:256: instantiating 'each()' | |
| each do |key, value| | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:257: instantiating 'JSON::ObjectBuilder(String::Builder)#field(String, (Array(Bool | Nil) | Array(Bool) | Array(Char | Nil) | Array(Char) | Array(Float32 | Nil) | Array(Float32) | Array(Float64 | Nil) | Array(Float64) | Array(Int16 | Nil) | Array(Int16) | Array(Int32 | Nil) | Array(Int32) | Array(Int64 | Nil) | Array(Int64) | Array(PG::BoolArray) | Array(PG::CharArray) | Array(PG::Float32Array) | Array(PG::Float64Array) | Array(PG::Geo::Point) | Array(PG::Int16Array) | Array(PG::Int32Array) | Array(PG::Int64Array) | Array(PG::StringArray) | Array(String | Nil) | Array(String) | Bool | Char | Float32 | Float64 | Int16 | Int32 | Int64 | JSON::Any | PG::Geo::Box | PG::Geo::Circle | PG::Geo::Line | PG::Geo::LineSegment | PG::Geo::Path | PG::Geo::Point | PG::Numeric | Slice(UInt8) | String | Time | UInt32 | Nil))' | |
| object.field key, value | |
| ^~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:27: instantiating 'field(String)' | |
| field(name) { value.to_json(@io) } | |
| ^~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:27: instantiating 'field(String)' | |
| field(name) { value.to_json(@io) } | |
| ^~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:27: instantiating '(Array(Bool | Nil) | Array(Bool) | Array(Char | Nil) | Array(Char) | Array(Float32 | Nil) | Array(Float32) | Array(Float64 | Nil) | Array(Float64) | Array(Int16 | Nil) | Array(Int16) | Array(Int32 | Nil) | Array(Int32) | Array(Int64 | Nil) | Array(Int64) | Array(PG::BoolArray) | Array(PG::CharArray) | Array(PG::Float32Array) | Array(PG::Float64Array) | Array(PG::Geo::Point) | Array(PG::Int16Array) | Array(PG::Int32Array) | Array(PG::Int64Array) | Array(PG::StringArray) | Array(String | Nil) | Array(String) | Bool | Char | Float32 | Float64 | Int16 | Int32 | Int64 | JSON::Any | PG::Geo::Box | PG::Geo::Circle | PG::Geo::Line | PG::Geo::LineSegment | PG::Geo::Path | PG::Geo::Point | PG::Numeric | Slice(UInt8) | String | Time | UInt32 | Nil)#to_json(String::Builder)' | |
| field(name) { value.to_json(@io) } | |
| ^~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:225: instantiating 'String::Builder#json_array()' | |
| io.json_array do |array| | |
| ^~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:225: instantiating 'String::Builder#json_array()' | |
| io.json_array do |array| | |
| ^~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:226: instantiating 'each()' | |
| each do |element| | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/indexable.cr:151: instantiating 'each_index()' | |
| each_index do |i| | |
| ^~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/indexable.cr:151: instantiating 'each_index()' | |
| each_index do |i| | |
| ^~~~~~~~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:226: instantiating 'each()' | |
| each do |element| | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:227: instantiating 'JSON::ArrayBuilder(String::Builder)#<<((Char | Nil))' | |
| array << element | |
| ^~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:54: instantiating 'push((Char | Nil))' | |
| push value | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:59: instantiating 'push()' | |
| push { value.to_json(@io) } | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:59: instantiating 'push()' | |
| push { value.to_json(@io) } | |
| ^~~~ | |
| in /usr/local/Cellar/crystal-lang/0.19.4/src/json/to_json.cr:59: wrong number of arguments for 'Char#to_json' (given 1, expected 0) | |
| Overloads are: | |
| - Object#to_json() | |
| push { value.to_json(@io) } | |
| ^~~~~~~ |
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