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Added JSON Type #24

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Added JSON Type #24

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3fdd4d4
Added JSON Type
aurimasniekis Jan 17, 2017
5377222
Forgot to add import for `json`
aurimasniekis Jan 17, 2017
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23 changes: 23 additions & 0 deletions src/mysql/types.cr
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Original file line number Diff line number Diff line change
@@ -1,8 +1,14 @@
require "json"

# :nodoc:
abstract struct MySql::Type
# Column types
# http://dev.mysql.com/doc/internals/en/com-query-response.html#column-type

# Remove after https://github.com/crystal-lang/crystal/pull/3908 is accepted
alias JsonType = ::JSON::Type | Int32 | Array(Int32) | Hash(String, Int32)


@@types_by_code = Hash(UInt8, MySql::Type.class).new
@@hex_value : UInt8 = 0x00u8

Expand Down Expand Up @@ -56,6 +62,10 @@ abstract struct MySql::Type
MySql::Type::Null
end

def self.type_for(t : JsonType.class)
MySql::Type::JSON
end

def self.type_for(t)
raise "MySql::Type does not support #{t} values"
end
Expand Down Expand Up @@ -233,5 +243,18 @@ abstract struct MySql::Type
str
end
end
decl_type JSON, 0xf5u8, ::String do
def self.write(packet, v : JsonType)
packet.write_lenenc_string v.to_json
end

def self.read(packet)
JSON.parse packet.read_lenenc_string
end

def self.parse(str : ::String)
JSON.parse str
end
end
decl_type Geometry, 0xffu8
end