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Type Conversion Functions

Terakhir diperbarui:2024-01-20 17:44:35

    Overview

    Type conversion functions provide commonly type conversion features. They can be used to convert field values to the int, float, bool, and Str types.

    Function ct_int

    Function definition

    This function is used to convert a value (whose base can be specified) to a decimal integer.

    Syntax description

    ct_int(Value 1, base=10)

    Parameter description

    Parameter
    Description
    Type
    Required
    Default Value
    Value Range
    data
    Numeric value or string that can be converted to a numeric value
    number
    Yes
    -
    -
    base
    Base
    number
    No
    10
    [2-36]

    Examples

    Example 1 Raw log:
    {"field1": "10"}
    Processing rule:
    fields_set("result", ct_int(v("field1")))
    Processing result:
    {"result":"10","field1":"10"}
    Example 2 Raw log:
    {"field1": "AB"}
    Processing rule:
    fields_set("result", ct_int(v("field1"), 16))
    Processing result:
    {"result":"171","field1":"AB"}

    Function ct_float

    Function definition

    This function is used to convert a value to a floating-point number.

    Syntax description

    ct_float(Value)

    Parameter description

    Parameter
    Description
    Type
    Required
    Default Value
    Value Range
    data
    Numeric value or string that can be converted to a numeric value
    number
    Yes
    -
    -

    Examples

    Raw log:
    {"field1": "123"}
    Processing rule:
    fields_set("result", ct_float(v("field1")))
    Processing result:
    {"result":"123.0","field1":"123"}

    Function ct_str

    Function definition

    This function is used to convert a value to a string.

    Syntax description

    ct_str(Value)

    Parameter description

    Parameter
    Description
    Type
    Required
    Default Value
    Value Range
    data
    Numeric value or string that can be converted to a numeric value
    number
    Yes
    -
    -

    Examples

    Raw log:
    {"field1": 123}
    Processing rule:
    fields_set("result", ct_str(v("field1")))
    Processing result:
    {"result":"123","field1":"123"}

    Function ct_bool

    Function definition

    This function is used to convert a value to a Boolean value.

    Syntax description

    ct_bool(Value)

    Parameter description

    Parameter
    Description
    Type
    Required
    Default Value
    Value Range
    data
    Numeric value or string that can be converted to a numeric value
    number
    Yes
    -
    -

    Examples

    Example 1 Raw log:
    {}
    Processing rule:
    fields_set("result", ct_bool(0))
    Processing result:
    {"result":"false"}
    Example 2 Raw log:
    {}
    Processing rule:
    fields_set("result", ct_bool(1))
    Processing result:
    {"result":"true"}
    Example 3 Raw log:
    {"field1": 1}
    Processing rule:
    fields_set("result", ct_bool(v("field1")))
    Processing result:
    {"result":"true","field1":"1"}
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