types.isType() function
types.isType() tests if a value is a specified type.
Function type signature
(type: string, v: A) => bool where A: Basic
For more information, see Function type signatures.
Parameters
v
(Required) Value to test.
type
(Required) String describing the type to check against.
Supported types:
- string
- bytes
- int
- uint
- float
- bool
- time
- duration
- regexp
Examples
Filter by value type
import "types"
data
|> filter(fn: (r) => types.isType(v: r._value, type: "string"))
Aggregate or select data based on type
import "types"
nonNumericData =
data
|> filter(
fn: (r) =>
types.isType(v: r._value, type: "string") or types.isType(
v: r._value,
type: "bool",
),
)
|> aggregateWindow(every: 30s, fn: last)
numericData =
data
|> filter(
fn: (r) =>
types.isType(v: r._value, type: "int") or types.isType(v: r._value, type: "float"),
)
|> aggregateWindow(every: 30s, fn: mean)
union(tables: [nonNumericData, numericData])
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