InfluxDB Docs

Flux release notes

The latest release of InfluxDB v2.0 alpha includes Flux v0.28.3. Though newer versions of Flux may be available, they will not be included with InfluxDB until the next InfluxDB v2.0 release.

v0.28.3 [2019-05-01]

Bug fixes

  • Fix request results labels to count runtime errors.
  • An error when joining could result in two calls to finish.

v0.28.2 [2019-04-26]

Bug fixes

  • Preallocate data when constructing a new string array.

v0.28.1 [2019-04-25]

Bug fixes

  • Make executor respect memory limit from caller.

v0.28.0 [2019-04-24]

Features

  • Allow choosing sample/population mode in stddev().

Bug fixes

  • Fix reduce() so it resets the reduce value to the neutral element value for each new group key and reports an error when two reducers write to the same destination group key.

v0.27.0 [2019-04-22]

Features

  • Add trimSuffix and trimPrefix functions to the strings package.
  • Add support for conditional expressions to compiler.
  • Add conditional expression handling to interpreter.

Bug fixes

  • Enforce memory and concurrency limits in controller.
  • Format conditional expression.
  • tagKeys should include a call to distinct.

v0.26.0 [2019-04-18]

Breaking changes

  • Aggregates now accept only a column parameter. columns not used.

Features

  • Add handling for conditional expressions to type inference.
  • Add if/then/else syntax to Flux parser.
  • Added a WalkIR function that external programs can use to traverse an opSpec structure.
  • Add planner options to compile options.
  • Add example on how to use Flux as a library.
  • duplicate() will now overwrite a column if the as label already exists.

Bug fixes

  • Format right child with good parentheses.
  • Make staticcheck pass.
  • Rename json tag so go vet passes.
  • The controller pump could reference a nil pointer.
  • Create a DependenciesAwareProgram so controller can assign dependencies.
  • Make Program.Start start execution synchronously.
  • Read the metadata channel in a separate goroutine.
  • Remove dead code in controller so staticcheck passes.
  • Allow Flux unit tests to pass.
  • Require a Github token to perform a release.
  • Change example name to make go vet pass.
  • Make csv.from return decode error.

v0.25.0 [2019-04-08]

Breaking changes

  • Fix logical operators (and, or) precedence.

Bug fixes

  • Omit space between unary operator and operand.
  • Format AST preserving operator precedence.

v0.24.0 [2019-04-01]

Breaking changes

  • Rename percentile() function to quantile().

Bug fixes

  • Handle when a non-call expression is parsed as the pipe destination.
  • Add error message to Compile methods for empty Spec.

v0.23.0 [2019-03-26]

Breaking changes

  • Remove unused statistics from the struct.

Features

  • Define comparison operators between time types.
  • Parse signed duration.
  • Added reduce() function and supporting go API for implementation.
  • Fix for recognizing locally scoped objects and arrays in a row function.

Bug fixes

  • Columns in percentile signature and more strict param checking.
  • Report the error received when parsing a bad regex literal.
  • Remove unused statistics from the struct.

v0.22.0 [2019-03-18]

Features

  • Added a math package and ported all 64 bit go math library functions.

Bug fixes

  • Make read-like access patterns for objects thread-safe.

v0.21.4 [2019-03-06]

Bug fixes

  • Test union.flux correctly uses sort.
  • Pivot orders rowKey and columnKey by the input parameters, rather than the table column order.
  • Deterministic sorting of input tables in join.
  • Group key comparison works regardless of column ordering.

v0.21.3 [2019-03-05]

Bug fixes

  • Fix test to pass in InfluxDB.
  • Write table and result name in each row of CSV output.
  • Make time() function accept any format that parser accepts.
  • Return errors when evaluating functions.
  • Prevent a deadlock in the array expression parser.

v0.21.2 [2019-03-01]

Bug fixes

  • Add AST compiler to mappings.

v0.21.1 [2019-03-01]

Bug fixes

  • Make ASTCompiler marshalable.
  • Fix a controller test to be less flaky.
  • from() must send deep table copies to its downstream transformations.

v0.21.0 [2019-02-25]

Breaking changes

  • Support attaching arbitrary query metadata from the executor.

Features

  • Support attaching arbitrary query metadata from the executor.
  • Socket source.

Bug fixes

  • Add locks to make diff threadsafe.

v0.20.0 [2019-02-20]

Features

  • AST match.
  • Generate ASTs from Flux test files for external consumption.
  • Add compile subcommand that compiles Flux to spec.

Bug fixes

  • Change loadStorage and loadMem to be options so that they are modifiable.
  • Generate skipped tests; skip in test driver.

v0.19.0 [2019-02-11]

Breaking changes

  • Make window() parameters match SPEC.
  • Split FromProcedureSpec into logical and physical specs.

Features

  • Add contains() function to check for membership in lists.
  • test keyword.

Bug fixes

  • Raw query test case.

v0.18.0 [2019-02-07]

Features

  • Add strings package with functions to trim/change string case.
  • Make duration conversion public.
  • Add assertEmpty method and use it with testing.test.
  • Expose literal parsers used within the parser.
  • Add testing.diff function.
  • Execute command.

Bug fixes

  • Refactor the controller to remove data races.
  • Member expressions using a string literal use the incorrect end bracket.
  • Skip lambda evaluation when referencing nulls.
  • Options editor should use ast.Expression.
  • Fix decoder bug where a default table ID is given when none is required.
  • Add close to SourceIterator.

v0.17.0 [2019-01-22]

Features

  • Checks for option dependencies.
  • Add query success and error metrics.
  • Track nested blocks in the parser.
  • Update aggregateWindow() to include createEmpty as parameter to allow for null results.
  • Add query function count metrics.

Bug fixes

  • Multiplicative operators are above additive operators in precedence.
  • Fix panic when copying lambda.
  • Only print a package’s public exports.
  • Cannot access imports of imports.
  • Check for schema collision when appending columns to a table.
  • Process test helper had bad logic to check for errors.
  • Handle rune errors correctly when decoding an illegal token.

v0.16.1 [2019-01-17]

Bug fixes

  • Copy packages for importer copy.

##v0.16.0 [2019-01-17]

Features

  • Adds various v1 meta queries helper functions

Bug fixes

  • Fixes various UX issues.
  • Object polytype.
  • Fix edge case panic in assertEquals.
  • Check for equality in time columns correctly.
  • Fix bug where assertEquals did not check tables without a match in both streams.
  • Clear return for each REPL command.

v0.15.0 [2019-01-16]

Features

  • Add rule to remove filter true nodes.
  • Checks for variable reassignment and option declarations below package block.

Bug fixes

  • Move a test file into the testing/testdata folder.

v0.14.0 [2019-01-14]

Breaking changes

  • Implement and require builtin statements.
  • Fix keys to output group key.
  • Organizes builtin code into Flux packages.
  • Change flux command to be a REPL.

Features

  • Implement and require builtin statements.
  • Added a new utility library for generating test data.
  • columns() function.
  • Add fill function to set a default value for null values in a column.
  • Organizes built-in code into Flux packages.
  • Change flux command to be a REPL.
  • Refactored the table builder interfaces to support null value creation.
  • Aggregates process empty/all-null tables by creating a null row.
  • Show nulls in REPL as empty string.
  • Add ability to define built-in packages.
  • Treat omitted values with no defaults as nil in CSV.
  • Build arrow columns with null values.
  • Converting limit to use arrow arrays.
  • TableBuilder interface and ColListTableBuilder implementation support creation of nil values.

Bug fixes

  • Count nulls in the count aggregate.
  • Fix keys to output group key.
  • Adding test for type mismatch in group.
  • Nest extern blocks for each level in scope.
  • Memory leak in limit when slicing.
  • Prettier formatting for package.
  • Change Package.Path to be json omitempty.

v0.13.0 [2019-01-07]

Breaking changes

  • Add File and Package nodes to the AST.

Features

  • Embed errors into the ast from the parser.
  • Add no-points optimization for from() |> keys().
  • Add File and Package nodes to the AST.
  • Add a function for checking for errors within the AST.

Bug fixes

  • Remove unneeded use of memory allocator.
  • Allow the memory allocator to be nil for arrow arrays.
  • Fix several bugs in copy methods add tests.
  • Fix a flaky test in the controller shutdown.

v0.12.0 [2019-01-02]

Features

  • Slice utils.
  • Parse string literal object keys.
  • Add tests for multi-line and escaped strings.
  • Arrow helper method.
  • Converting all aggregates to use arrow arrays.

Bug fixes

  • Embed plan.DefaultCost in input and output functions.
  • Side effect statements are now copied between related interpreter scopes.

v0.11.0 [2018-12-18]

Features

  • Add utility methods for converting a slice into an arrow array buffer.

Bug fixes

  • Do not panic with unbalanced parenthesis.
  • Respect positive timeout for toHTTP.

v0.10.0 [2018-12-17]

Breaking changes

  • Change “label” to “column” for state tracking functions.

Features

  • Plan validation.
  • Testing framework no longer checks output.
  • Integrate arrow arrays into the table builder.
  • Support packages and imports.

Bug fixes

  • Cancel all queries after timeout elapses.
  • makefile for generating the scanner after clean was incorrect.

v0.9.0 [2018-12-11]

Features

  • Option Editor.

Bug fixes

  • Return the source attribute in the location correctly.

v0.8.0 [2018-12-11]

Features

  • Rule to chain group operations.
  • Add package and import support to the semantic graph.
  • Add assertEquals function to transformations.
  • Parse import and package statements
  • Walk pattern for AST.
  • AST formatting.
  • Switch over to the new parser.

Bug fixes

  • Make controller return planner failures.
  • Collision between external and fresh type vars.
  • fmt for import and package.
  • Add import/package nodes to ast.Walk.
  • Improve panic message when the wrong column type is used.
  • Check nil results when computing stats.
  • Suppress group push down for _time and _value.
  • Terminal output functions must produce results.
  • Fix race in interpreter.doCall.
  • Fix ast.Walk for Assignemnt rename.
  • Improve error message for missing object properties.
  • Add unary logical expression to the parser.
  • Variable declarator node needs to duplicate the location information.

v0.7.4 (2018-12-04)

Bug Fixes

  • Add missing comparison operators.

v0.7.3 (2018-12-04)

Bug Fixes

  • Fix the ident statement to use expression suffix.