Flux 0.118 (#2784)
* flux 0.118 release notes * updated pagerduty.dedupkey and operator precendence * updated operator precedence table format * updated description of pagerduty.dedupkey exclude parampull/2785/head
Scott Anderson
GitHub
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@ -241,24 +241,25 @@ Operators combine operands into expressions.
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The precedence of the operators is given in the table below.
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Operators with a lower number have higher precedence.
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| Precedence | Operator | Description |
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|:----------:|:--------: |:-------------------------- |
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| 1 | `a()` | Function call |
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| | `a[]` | Member or index access |
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| | `.` | Member access |
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| 2 | <code>\|></code> | Pipe forward |
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| 3 | `^` | Exponentiation |
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| 4 | `*` `/` `%` | Multiplication, division, and modulo |
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| 5 | `+` `-` | Addition and subtraction |
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| 6 |`==` `!=` | Comparison operators |
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| | `<` `<=` | |
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| | `>` `>=` | |
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| |`=~` `!~` | |
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| 7 | `not` | Unary logical operator |
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| | `exists` | Null check operator |
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| 8 | `and` | Logical AND |
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| 9 | `or` | Logical OR |
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| 10 | `if` `then` `else` | Conditional |
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| Precedence | Operator | Description |
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| :--------: | :----------------: | :----------------------------------- |
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| 1 | `a()` | Function call |
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| | `a[]` | Member or index access |
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| | `.` | Member access |
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| 2 | <code>\|></code> | Pipe forward |
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| 3 | `() => 1` | FunctionLiteral |
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| 4 | `^` | Exponentiation |
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| 5 | `*` `/` `%` | Multiplication, division, and modulo |
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| 6 | `+` `-` | Addition and subtraction |
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| 7 | `==` `!=` | Comparison operators |
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| | `<` `<=` | |
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| | `>` `>=` | |
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| | `=~` `!~` | |
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| 8 | `not` | Unary logical operator |
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| | `exists` | Null check operator |
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| 9 | `and` | Logical AND |
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| 10 | `or` | Logical OR |
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| 11 | `if` `then` `else` | Conditional |
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The operator precedence is encoded directly into the grammar as the following.
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@ -131,21 +131,22 @@ Literal constructors define fixed values.
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The table below outlines operator precedence.
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Operators with a lower number have higher precedence.
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| Precedence | Operator | Description |
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|:----------:|:--------: |:-------------------------- |
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| 1 | `a()` | Function call |
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| | `a[]` | Member or index access |
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| | `.` | Member access |
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| 2 | <code>\|></code> | Pipe forward |
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| 3 | `^` | Exponentiation |
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| 4 | `*` `/` `%` | Multiplication, division, and modulo |
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| 5 | `+` `-` | Addition and subtraction |
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| 6 |`==` `!=` | Comparison operators |
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| | `<` `<=` | |
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| | `>` `>=` | |
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| |`=~` `!~` | |
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| 7 | `not` | Unary logical operator |
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| | `exists` | Null check operator |
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| 8 | `and` | Logical AND |
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| 9 | `or` | Logical OR |
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| 10 | `if` `then` `else` | Conditional |
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| Precedence | Operator | Description |
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| :--------: | :----------------: | :----------------------------------- |
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| 1 | `a()` | Function call |
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| | `a[]` | Member or index access |
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| | `.` | Member access |
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| 2 | <code>\|></code> | Pipe forward |
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| 3 | `() => 1` | FunctionLiteral |
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| 4 | `^` | Exponentiation |
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| 5 | `*` `/` `%` | Multiplication, division, and modulo |
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| 6 | `+` `-` | Addition and subtraction |
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| 7 | `==` `!=` | Comparison operators |
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| | `<` `<=` | |
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| | `>` `>=` | |
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| | `=~` `!~` | |
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| 8 | `not` | Unary logical operator |
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| | `exists` | Null check operator |
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| 9 | `and` | Logical AND |
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| 10 | `or` | Logical OR |
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| 11 | `if` `then` `else` | Conditional |
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@ -22,9 +22,19 @@ _**Function type:** Transformation_
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```js
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import "pagerduty"
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pagerduty.dedupKey()
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pagerduty.dedupKey(
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exclude: ["_start", "_stop", "_level"]
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)
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```
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## Parameters
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### exclude
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Group key columns to exclude when generating the deduplication key.
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Default is `["_start", "_stop", "_level"]`.
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_**Data type:** Array of strings_
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## Examples
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##### Add a PagerDuty deduplication key to output data
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@ -36,3 +46,8 @@ from(bucket: "default")
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|> filter(fn: (r) => r._measurement == "mem")
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|> pagerduty.dedupKey()
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```
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{{% expand "View function updates" %}}
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#### v1.18.0
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- Add `exclude` parameter to exclude group key columns when generating the deduplication key.
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{{% /expand %}}
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@ -8,6 +8,23 @@ menu:
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name: Flux
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---
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## v0.118.1 [2021-06-15]
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- _Internal code cleanup._
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---
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## v0.118.0 [2021-06-15]
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### Features
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- Add `exclude` parameter to `pagerduty.dedupKey()`.
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### Bug fixes
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- Ensure PagerDuty tests include a `_value` column.
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- Add length check to CSV annotation parsing.
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- Change `FunctionLiteral` precedence to preserve parentheses.
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---
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## v0.117.3 [2021-06-07]
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- _Internal code cleanup._
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