Runtime

Execution consists of a DAG of Tasks called a Job

• ExecMaster each DAG has a single master of that job
• Planner creates a dag of tasks
• TaskRunner runs a single node of a set of tasks, communicates between child tasks
• Datasource supplies data to a task

Coercion

| Go Types | Value types |

| int(8,16,32,64) | IntValue | | float(32,64) | NumberValue | | string | StringValue | | []string | StringsValue | | boolean | BoolValue | | map[string]int | MapStringIntValue |

From | ToInt | ToString | ToBool | ToNumber | MapInt | MapString

| int(8,16,32,64) | y | y | y | y | N | uint(8,16,32,64) | y | y | y | y | N