Content Comparison

lake_name

string

lake name

lake_plan

string

tiny / basic / business/ enterprise

owner

string

Lake's Owner

(When omitted, the user who calls the API)

region

string

AWS region name

timezone

string

Timezone name

storage_size

int

Storage size

tag_schema

JSON

Columns for this lake's Tag meta.

Each column have the three sub component: col_name, col_type, col_length.

col_name : column name

col_type : column type

• “short” : fixed integer value (2 byte length)

• “int” : fixed integer value (4 byte)

• “long” : fixed integer value (8 byte)

• “float” : floating point value (4 byte)

• “double” : floating point value(8 byte)

• “datetime” : time data to nano precision (8 byte)

• “varchar” : string type

col_length : if varchar type, assign the max length of column

 {'col_name': "name", 'col_type': "varchar", 'col_length': 40}

The data type of the first column , “col_type” must be “varchar”.

But, additional meta column can have any data type.

value_schema

JSON

Columns for this lake’s values.

In this field, you have to assign two essential columns for time and default value.

The first column datatype must be “datetime”.

The second column datatype must be “double” keeping numeric data as default.

   {'col_name': "time", 'col_type': "datetime"},
   {'col_name': "value",'col_type': "double"}

However, beginning with the third column information, you can have the option of specifying additional column information.