Documentation

Flux release notes

v0.95.0 [2020-11-16]

Features

  • Use tabwriter to vertically align tab stops.

Bug fixes

  • Format types in error messages according to Flux grammar.

v0.94.0 [2020-11-09]

Features

  • Add “everything” Rust benchmark.

Bug fixes

  • Add multiline support to the Flux formatter.
  • Format types using letters instead of numbers.

v0.93.0 [2020-11-02]

Features

  • Ensure query plan nodes have unique IDs.

v0.92.0 [2020-10-30]

Features

Bug fixes

  • Do not panic when the value column for pivot() does not exist.
  • Properly truncate timestamps to beginning of window bounds.
  • Updates operator precedence in formatter.
  • Do not panic when a string expression evaluates to null.
  • Add support for multiline conditional logic.

v0.91.0 [2020-10-26]

Features

  • Aggregate results for operator profiler.
  • Add contributed events package.
  • Use tableFind and related functions with profiler results.
  • Add duration support to orTime parameter of lastSuccess().

Bug fixes

  • Configure the profiler even if operator profiler is not enabled.
  • Update formatter to handle newline characters in write_string.
  • Make formatter use spaces instead of tabs.
  • Update formatter double spacing rules.
  • Add support for multiline type expressions.
  • Update influxdata/influxdb/tasks package with new location of execute dependencies.
  • Improve multiline and parentheses support in formatter.

v0.90.0 [2020-10-19]

Features

Bug fixes

  • Verify dependencies in Dockerfile_build.
  • Fix panic in experimental.join.

v0.89.0 [2020-10-12]

Features

  • Add support for SAP HANA databases.
  • Add support for comments preceding builtin statements in code formatting.

v0.88.0 [2020-10-05]

Features

  • Move functions from v1 package to schema package.

Bug fixes

  • Fix field type error in test.
  • Update buildinfo script to handle new and deleted files.
  • Sets default quantile method when not specified.
  • Improve security of Dockerfile for build scripts.

v0.87.1 [2020-10-01]

Bug fixes

  • Fetch ragel dependency over HTTPS.
  • Ensure ast.TextPart is properly escaped when formatting.
  • Elapsed with multiple buffers per table.

v0.87.0 [2020-09-28]

Features

  • Linear interpolation.
  • Type signature for linear interpolate function.

Bug fixes

  • Fix compiler type inference with extended records.
  • Colm Flux grammar updates: keywords, string interpolation, and UTF-8 IDs.
  • Exponent operator have higher precedence.

v0.86.0 [2020-09-21]

Features

  • Add operator profiler.
  • Add duration conversion.
  • Add naive bayes classification.

Bug fixes

  • Reset pointer after scanning invalid Unicode.
  • Catch references to non-existent columns.
  • Propagate span context to source.Run.

v0.85.0 [2020-09-14]

Features

  • Add Aggregate.window for an alternative windowing aggregate.

Bug fixes

  • Remove months parameter.

v0.84.0 [2020-09-09]

Breaking changes

  • Remove time-column parameters from range() function and update type signature.

Features

Bug fixes

  • Ensure meta columns are never part of group key.

v0.83.1 [2020-09-02]

Bug fixes

  • Single value integral interpolation.

v0.83.0 [2020-09-01]

Features

Bug fixes

  • Update builtin statement for integral().
  • Add Rust JSON tests.
  • CSV no longer deadlocks when next transformation does not consume table.

v0.82.2 [2020-08-25]

Features


v0.82.1 [2020-08-25]

  • Internal code cleanup.

v0.82.0 [2020-08-24]

Features

  • Add the profiler package.
  • Add a documentation URL field to Flux errors.
  • Check InfluxDB schema compatibility.

Bug fixes

  • Panic when a map object property contains an invalid type.

v0.81.0 [2020-08-17]

Features

  • Delete old parser.
  • Add function to indicate duplicate option assignments.

Bug fixes

  • Calculate distinct key values.
  • Handle pipe arguments inside of compiler.

v0.80.0 [2020-08-12]

Features

  • Add nulls parameter to gen.tables().

Bug fixes

  • Revert the timeable constraint for integer.
  • Make socket/sql URL test robust.

v0.79.0 [2020-08-11]

Features

  • Add array.from() function to convert Flux values into a table.

Bug fixes

  • Add bounds to Geo package end-to-end tests.

v0.78.0 [2020-08-10]

Breaking changes

  • Removed correlationKey parameter from geo.toRows and geo.shapeData.

Features

  • Add functions to convert semantic monotype to AST type.
  • Add BigQuery support.
  • Rust flatbuffer serialization for MonoType and TypeExpression.
  • Extend with Geo package with GIS functions and unit support.

Bug fixes

  • String interpolation in arrays.

v0.77.1 [2020-08-03]

Bug fixes

  • Write tests and fix issues with rows.map.

v0.77.0 [2020-08-03]

Features

  • Add a faster map() function (user-contributed).
  • Add an influxdb.select() function (user-contributed).
  • Flatbuffer deserialization for type expression AST nodes.
  • Flatbuffer types for monotype and type expression AST nodes.
  • Go AST nodes for type expression syntax.
  • Get all options and properties.
  • Add parse_function in parser/mod.rs.
  • Add an alternative aggregate package to user-contributed packages.

Bug fixes

  • Fix string interpolation in arrays.

v0.76.1 [2020-07-27]

Bug fixes

  • Fix data race in metadata.

v0.76.0 [2020-07-27]

Features

  • Add query plan to query metadata.

v0.75.0 [2020-07-27]

Features

  • Update parse_record to return MonoType for consistent results from functions used by parse_monotype.
  • Internal command utility for comparing CSV tables.
  • Update mod.rs with parse_record.
  • Add planner tests for window min and max.
  • CRUD options and properties.
  • Update mod.rs with parse_constraints.
  • Update mod.rs with ArrayType and add Array to the Monotype enumeration.

Bug fixes

  • Statuses are always sorted by source timestamp.
  • Multiple do calls will fail with an empty table.

v0.74.0 [2020-07-21]

Features

  • Add discord.endpoint() function.
  • Enhance the static table API.
  • Update mod.rs with parse_type_expression and other supporting functions.
  • Expose static table package and table diff functions.
  • Find_var_type() API.
  • Add stringify method for a table and a diff utility.
  • Added range to end-to-end tests.
  • Add types grammar to SPEC.

Bug fixes

  • Normalize Monotype.

v0.73.0 [2020-07-13]

Features

  • Add parameter for applying substitution to top-level environment.
  • Add MergeFilterRule to universe.filter

Bug fixes

  • Use query strings instead of AST for remote InfluxDB queries. This lets you query remote InfluxDB instances in the Flux REPL.

v0.72.1 [2020-07-09]

Bug fixes

  • Correctly classify “duplicate yield” error.

v0.72.0 [2020-07-09]

Features

  • Update from() to use Timeable.

Bug fixes

  • Fix appending an array of booleans with null values.
  • Pass the context to the planner when using the table object compiler.
  • Add diff output to release script on error.
  • Appending empty tables to a buffered builder normalizes the schema.
  • Remove bad_sqlite_path1 test.
  • Classify spec build errors as user errors.
  • Verify index expression bounds in evaluation.
  • Substitute array element types correctly.

v0.71.1 [2020-07-03]

Bug fixes

  • Add a check to ensure every is non-negative.

v0.71.0 [2020-06-30]

Features

  • Apply Timeable constraint to integer type to support integer values in time-related function parameters.
  • Implement schema mutation functions without performing any copies.
  • Add http.pathEscape() function.

v0.70.0 [2020-06-29]

Features

Bug fixes

  • Move semantic analysis to the finalize step.
  • Fix check for stream equality.
  • Fix the compiler’s return type when with operator is used.
  • Include stdlib Flux dependencies from the Flux build.rs.
  • Include a hash of the sources for libflux.
  • Flux test for experimental json.parse().
  • Reorder go generate call to libflux in stdlib.

v0.69.2 [2020-06-10]

Bug fixes

  • Include a hash of sources for libflux.

v0.69.1 [2020-06-09]

Bug fixes

  • Fix experimental json.parse() test.

v0.69.0 [2020-06-08]

Features

Bug fixes

  • Adjust error handling in Flux date package.

v0.68.0 [2020-05-28]

This version of Flux introduces an updated type inference system that improves performance, error messaging, and usability of the Flux Language Server Protocol (LSP).

Breaking Changes

  • Change signature of group() function.

Features

  • Add fieldKeys() and measurementFieldKeys() to v1 package.
  • Add a context to plantest.RuleTestCase.
  • Add Snowflake support to SQL package.
  • Add experimental.chain() function.
  • Add semantic nodes for bad statement and bad expression.
  • Add findColumn() and findRecord() functions.
  • Return false if contains() is called with an empty set.
  • Various performance optimizations.
  • Add a dynamically linked Valgrind test.
  • Add location information to type error messages.
  • Add all Linux cross-compilation tools to release Docker image.
  • Support remote buckets() and v1.databases() calls.
  • Add support for static linking.
  • Add influxdb source.
  • Add support for pkg-config.
  • Transform semantic nodes back to AST nodes.
  • Handle multi-file packages.
  • Make Eval() and EvalAST() use libflux for parsing and analysis.
  • Add lookuptype function for stdlib builtins.

Bug Fixes

  • Re-enable Clippy linter rule match single binding.
  • Fix bug in object equal method.
  • Add builtin formatting.
  • Implement TimeBounds for influxdb.fromRemote.
  • Inject the URL validator into NewDefaultClient.
  • Fix race condition in the filter() function.
  • Validate HTTP redirects against private IPs.
  • Hide DNS information in HTTP.
  • Fix concurrent map write in filter() transformation.
  • Copy all fields of WindowProcedureSpec in Copy().
  • Run go generate on libflux when go generate is run on stdlib.
  • Fix panic when map() overwrites group column.
  • Support execution contexts in the REPL.
  • Apply substitution fully when compiling lambda.
  • Planner rewrite rules take a context.
  • Fix panics when functions operate on null values.
  • Fix logic for merging packages with no package clause.
  • Compute function’s return type after substitution.
  • Resolve member expressions.
  • Improve error message descriptions.
  • Check types of parts when evaluating StringExpression.
  • Bind appropriate interpreter when evaluating functions.
  • Tweak Rust JSON serialization and add tests.
  • Pivot sends update watermark and processing time exactly once.
  • Calculate diff’s watermark using both predecessors.
  • Add length check to avoid allocs checking for JSON null.
  • Make compilers robust to null keyword in extern field.
  • Address issues in RemoveTrivialFilterRule.
  • Bind appropriate interpreter when evaluating functions.
  • Convert HashMap in semantic package to BTreeMap.
  • Use static linking when creating the Valgrind test.
  • Update flatbuffers dependency.
  • Fix JSON serialization of Rust AST.
  • Remove unused environment variables.
  • Make merge_packages allow no package clauses.
  • Do not call CheckKind when evaluating logical expressions.
  • Force the Go libflux wrapper to rebuild using go generate.
  • Adjust test-bench config for Circle CI.
  • Fix Valgrind test code.
  • Let Rust parser parse with file name.
  • Remove Algorithm-W to-do list.
  • JoinStr returns a string, not an empty record.
  • Only add visible properties to output of map().
  • Serialize the correct sign duration literal.
  • Remove code in semantic package that depends on Rust/Cgo code.
  • Remove component field from API.
  • Remove unused notification rule fields from Slack and PagerDuty APIs.
  • Array builders accept array types as input.
  • Enable map() tests with null values.
  • Remove tests for marshalling semantic graph.
  • Run make generate to generate stdlib.
  • Fix type error in benchmark test.
  • Update TableObject test.
  • Do not call LocalRange on nil scope.
  • Type assertion error in length() tests.
  • Update type inference test case with test for union().
  • Make non-test CI steps pass.
  • Fix semantic check for option reassignment.
  • Type inference tests for binary comparison operators.
  • Fix typo in builtins.
  • Update holtWinters() to make seasonality optional.
  • Fix type errors in tests.
  • Remove default value from notify data.
  • Allow options to be set in scope.
  • Replace ScopeComparer with ScopeTransformer.
  • Use LocalRange in compile tests.
  • Add missing parameter to type of to().
  • Get TableObject test case to compile.
  • Fix typo in test case.
  • Update TableObjects to type Array.
  • Use array type method correctly.
  • Update schema mutators.
  • Return proper types for type conversion functions.
  • Enable complete package to compile and pass tests.
  • Make stdlib compile.
  • Expect monotypes for function values.
  • Require successful lookup of stdlib builtins or panic.
  • Optimize lookup function using hashmap.
  • Include function type when deserializing function expressions.

v0.67.0 [2020-04-28]

Features

  • Planner Pattern interface supplies a set of ProcedureKind as root.
  • Initial prototype of a table-based Flux.
  • Evaluate and store “now” in execution dependencies for tableFind() to use.
  • Static analysis tool for listing entry points to Flux.
  • Pass context to rewrite rules in the planner.

Bug fixes

  • Pivot sends update watermark and processing time exactly once.
  • system.time() checks context for override.
  • Add bounds to alignTime tests.

v0.66.1 [2020-04-14]

Bug fixes

  • Add bounds to alignTime() tests.

v0.66.0 [2020-04-13]

Features

Bug fixes

  • Use RandomAccessGroupLookup in testing.diff().
  • Address deleted state GroupLookup.
  • Add test case for errors when AST is bad.
  • Reduce memory usage during CI testing.

v0.65.0 [2020-03-27]

Features

  • Add experimental.join() function.
  • Store comments in the AST and preserve on format.
  • Add shapeData() function to Geo package.
  • Expose format to Wasm users.

Bug fixes

  • Reimplement stateChanges() function.
  • Remove the set -x in the xcc script.
  • Publishes Flux as a public npm package.
  • Pivot message passing.

v0.64.0 [2020-03-11]

Features

  • Hand-transpile elapsed() aggregate.
  • Hand-transpile cumulative_sum().
  • Experimental csv package.

Bug fixes

  • Add response reader as dependency to tune response size.
  • Handle unfinished option statement without panic.
  • Simplify libflux C API and resolve memory leaks.
  • Don’t construct a compiler.compilerScope with a nil value.Scope as base.
  • Influxql-decode to handle the case without tag set.

v0.63.0 [2020-03-03]

Features

  • Experimental geo package.
  • Initial grammar for Flux and a partial grammar for InfluxQL.

v0.62.0 [2020-02-28]

Features

  • InfluxQL decode and series aggregation tests.

Bug fixes

  • Properly categorize parse errors as “invalid”.
  • Fail gracefully when tableFind does not have an execution context.

v0.61.0 [2020-02-21]

Features

  • Add experimental aggregate package with rate() function.

Bug fixes

  • Deserialize the default vector if array elements are null.
  • Allow array and row types to be equatable.

v0.60.0 [2020-02-19]

Features

  • Add experimental query package.
  • Create a Docker environment for Flux releases.
  • Validate there are no free type variables in prelude/stdlib build.
  • Add formatter library.

Bug fixes

  • derivative() works properly across multiple buffers.
  • Fix free type variable found in tripleExponentialDerivative().
  • Update type of window() function.
  • Freshen row types using deterministic property order.
  • Libflux JSON deserialization uses type properly.
  • Expose the builtin polytypes when analyzing a stdlib package.
  • Deserialize call expressions when arguments are missing.
  • Handled malformed data as well as EOF.
  • Allow unsigned integers to be subtractable.
  • Link both libflux and liblibstd for flux-config.
  • Link libstd into the lib directory instead of libflux.
  • Flux-config correctly copies stdlib when using a module.
  • Add 169.25416 range to URL validator.
  • Update uuid library to improve security.
  • Handle invalid string literals.
  • Remove ‘tags’ line from local tags.

v0.59.6 [2020-02-13]

Bug fixes

  • derivative() works properly across multiple buffers.

v0.59.5 [2020-01-24]

Bug fixes

  • Revert window optimizations to fix regression in output row sorting.

v0.59.4 [2020-01-21]

Bug fixes

  • Remove tags line from local tags.
  • Handle malformed data as well as EOF.

v0.59.3 [2020-01-16]

Bug fixes

  • Link both libflux and libstd for flux-config.

v0.59.2 [2020-01-16]

Bug fixes

  • Link libstd into the lib directory instead of libflux.

v0.59.1 [2020-01-16]

Bug fixes

  • Flux-config correctly copies stdlib when using a module.
  • UUID security.

v0.59.0 [2020-01-14]

Features

  • Add Go/Rust API for getting semantic graph.
  • Optimize limit() transformation.
  • Optimize group() transformation.

Bug fixes

  • AST json serialization glitches.
  • Better messaging for malformed CSV.
  • Skip stdlib symlink was removed erroneously.
  • Ensure stdlib directory is created.
  • Correctly skip the stdlib symlink in libflux.
  • Ensure that stdlib is present when building with flux-config.

v0.58.4 [2020-01-07]

Bug fixes

  • Skip stdlib symlink was removed erroneously.

v0.58.3 [2020-01-07]

Bug fixes

  • Ensure stdlib directory is created.

v0.58.2 [2020-01-07]

Bug fixes

  • Correctly skip the stdlib symlink in libflux.

v0.58.1 [2020-01-07]

Bug fixes

  • Ensure that stdlib is present when building with flux-config.

v0.58.0 [2020-01-06]

Features

  • Serialize semantic graph flatbuffers.
  • Implement onEmpty parameter for filter().
  • Serialize Flux standard library types as part of build process.
  • Add type declarations for universe.
  • Methods for type checking package dependencies.
  • Add type declarations for strings.

Bug fixes

  • Expose tracing flag.
  • Update count builtin type.
  • Update experimental.set builtin type.
  • Update the type of influxdb.to to be a passthrough.
  • Update fill builtin type.
  • Remove redundant clones found by a new version of Clippy.
  • Fix durations in Rust semantic graph.
  • Removes unnecessary rc clone in semantic serializer.
  • Do not stall forever in flux-config when an error happens with verbose.
  • Update function block return statements to produce a stmt and not an expression.
  • Fix token location for scan_with_regex.
  • Cache environment variable for performance.
  • Fix a couple errors in builtin types.
  • Annotate variable assignment with polytype (not monotype).

v0.57.0 [2019-12-10]

Features

  • Categorize more Flux errors with codes.
  • Teach flux-config how to download the sources when using vendor.
  • Opentracing in query execution runtime.
  • Reduce memory allocations for operations in values.
  • Translate FlatBuffers semantic graph to Go.
  • Add types for some universe builtins.
  • Add type declarations for builtins.
  • Add Numeric and Row kind constraints.

Bug fixes

  • Enable strict mode by default.

v0.56.0 [2019-12-05]

Features

  • Crate for typing Flux standard library.
  • Serialize type environment.
  • Improve filter performance when filtering on values.
  • Update usage duration test to exclude queue and requeue time.
  • Add types for some built-ins.
  • Add timeout parameter to experimental http.get().

Bug fixes

  • Properly use a fake version with flux-config when no version is present.
  • Address Clippy lints.
  • Add bytes monotype to Rust semantic module.
  • Allow underscores (_) in type expressions.

v0.55.1 [2019-12-02]

Bug fixes

  • Fix e2e usage test so that their queries are properly pushed down.

v0.55.0 [2019-12-02]

Breaking changes

  • Expand the interface for BufferedTable.

Features

  • Expose optimized pivot() function.
  • Create utility program for building libflux.
  • Create a tool that measures performance of calling Rust from Go.
  • Inject types in the semantic graph.
  • MonoType and PolyType flatbuffer encodings.
  • MonoType and PolyType flatbuffer schemas.
  • Update Rust flatbuffers to more closely match Rust semantic graph.
  • Flatbuffers AST to Go AST.
  • Port immutable walk and fix mutable walk.
  • Define the flatbuffers schema for semantic graph.
  • Infer imported package types.
  • Unify and infer function types.
  • Add support for safely converting bytes to strings.
  • Add sqlite3 support.
  • Add internal table utility for streaming tables.

Bug fixes

  • Update semantic graph FlatBuffers schema for identifiers.
  • Ignore order when comparing record types.
  • Operands for <= and >= are comparable AND equatable.
  • Constrain unary expressions to be same type as operand.

v0.54.0 [2019-11-11]

Features

  • Expose function to analyze from string.
  • Added semantic expression constraints to libflux.
  • Custom PartialEq for polytypes.
  • Extensible record unification.
  • Semantic.Walk.

Bug fixes

  • Do not constrain type variables with empty kinds.
  • Update usage tests to filter on _field.
  • Record labels are scoped and fields are ordered.
  • Parse row variables.
  • Update make release to confirm remote and local are in sync.
  • Make walk_rc public.

v0.53.0 [2019-11-05]

Breaking changes

  • Interpret months as part of the semantic duration.

Features

  • Macros for type inference tests.
  • Let-polymorphism with test example.
  • Generalization, instantiation, and constraint solving.
  • Type environment.
  • Convert Rust AST to FlatBuffers format.
  • Allow lexing and parsing of string polytypes according to polytype grammar rules.
  • Add month support when adding durations to a time value.
  • Interpret months as part of the semantic duration.

Bug fixes

  • Type variable constraints.
  • Apply sub to both sides of constraint before unifying.
  • Instantiate quantified vars, not free vars.

v0.52.0 [2019-10-30]

Features

  • Visitor uses Rc for nodes.
  • Add EvalOptions.

Bug fixes

  • Correctly lex µs.

v0.51.0 [2019-10-24]

Breaking changes

  • Update the Flux SPEC to remove duration addition and subtraction.
  • Turn duration value into a vector.

Features

  • Implementations for type substitutions and constraints.
  • Add semantic analysis.
  • Updated the duration value to include months and negative flag.
  • Create a flatbuffers schema for AST.
  • Add initial C binding for parsing an AST.
  • Create a tool for updating .flux tests in-place.
  • Add walk implementation.
  • Turn duration value into a vector.
  • Define initial Flux data types.

Bug fixes

  • Update libflux parser to match the Go parser.
  • Allow data collected by prometheus.scrape() to be used by histogramQuantile().
  • Remove mock allocator.
  • Validate URL for sql.from(), sql.to(), and socket.from().

v0.50.2 [2019-10-24]

Bug fixes

  • Make keep() and drop() throw an error if merging tables with different schemas.

v0.50.1 [2019-10-24]

Bug fixes

  • Add annotated errors to the execute package where it affects normal usage.
  • Reorder variables in the allocator for atomic operations.

v0.50.0 [2019-10-11]

Features

  • Add experimental/prometheus package.
  • Add a memory manager to the memory allocator.
  • Add an internal function for generating data.
  • Switch to using discarding mode for transformations.
  • Group key join on _time.

Bug fixes

  • Require data parameter in monitor.check().
  • Return the EOF error when reading metadata.
  • Re-add missing import.
  • Fix broken links in SPEC.
  • Return error from cache.
  • Update the universe package to use flux errors throughout.
  • Parse escape characters in string interpolation expressions.
  • Improve CSV error message for serialized Flux error.
  • Have the interpreter return annotated Flux errors.

v0.49.0 [2019-09-24]

Features

  • Optimize filter() to pass through tables when possible.
  • Additional arrow builder utilities.
  • Add a benchmark() function to the testing package.
  • Add an arrow backed version of the table buffer.

Bug fixes

  • Fix sql.from() connection leak.
  • Fix some of the memory leaks within the standard library.
  • Fix mqtt.to() topic parameter.

v0.48.0 [2019-09-20]

Breaking changes

  • Convert the Flux memory allocator into an arrow allocator.

Features

  • New dependency injection framework.
  • Add planner options to Flux language.
  • Make Flux internal/promql/quantile behavior match PromQL quantile aggregate.

Bug fixes

  • Passing context to WalkIR.
  • Make join() reject input tables lacking on columns.

v0.47.1 [2019-09-18]

Bug fixes

  • Pass dependencies to WalkIR

v0.47.0 [2019-09-13]

Bug fixes

  • Introduce ParenExpression.
  • Make fmt runs cargo fmt on Rust directories.
  • Update Hex.Dump to hex.EncodeToString.
  • Integrate the Promql transpiler into Flux.

v0.46.2 [2019-09-12]

Bug fixes

  • Make to use URL validator.
  • Add filesystem to default test dependencies.

v0.46.1 [2019-09-11]

Bug fixes

  • Add a filesystem service.
  • Do a pointer comparison for table objects instead of a deep compare.

v0.46.0 [2019-09-10]

Features

  • Replace EnvironmentSecretService with EmptySecret….
  • Source location for rust parser.

Bug fixes

  • Push error for bad string expression.
  • Remove token parameter from pagerduty.endpoint.

v0.45.2 [2019-09-10]

Bug fixes

  • Push the tag before running goreleaser.
  • Additional opentracing spans for debugging query flow.

v0.45.1 [2019-09-09]

Bug fixes

  • Ensure http.post respects the context.

v0.45.0 [2019-09-06]

Features

  • Added Google Bigtable from().

Bug fixes

  • Add pagerduty.severityFromLevel() helper function.
  • Sleep function now gets canceled when the context is canceled.
  • Categorize the undefined identifier as an invalid status code.
  • Panic from CheckKind in memberEvaluator.

v0.44.0 [2019-09-05]

Features

  • Add http.basicAuth function.
  • Add measurement filters to monitor.from and monitor.logs.

Bug fixes

  • changed the default HTTP client to be more robust.

v0.43.0 [2019-09-04]

Features

  • PagerDuty endpoint for alerts and notifications.

v0.42.0 [2019-08-30]

Features

  • Add stateChanges function.

Bug fixes

  • Race condition in looking up types in map.
  • Support bool equality expressions.
  • Calculating a type variable’s free type variables.
  • Do not generate fresh type variables for member expressions.
  • Array instantiation.

v0.41.0 [2019-08-26]

Features

  • Add ability to validate URLs before making http.post requests.
  • Evaluate string interpolation.
  • Implement the secrets.get function.
  • Added secret service interface.
  • Add secrets package that will construct a secret object.
  • Added a SecretService interface and a new dependencies package and a basic test of functionality.
  • Add Slack endpoint.

Bug fixes

  • Make reset() check for non-nil data before calling Release().
  • Add test case for notify function.
  • Add missing math import to test case.
  • Make packages aware of options.
  • Resolved holtWinters panic.
  • Use non-pointer receiver for interpreter.function.

v0.40.2 [2019-08-22]

Bug fixes

  • Resolved holtWinters() panic.

v0.40.1 [2019-08-21]

Bug fixes

  • Use non-pointer receiver for interpreter.function.

v0.40.0 [2019-08-20]

Breaking changes

  • Update compiler package to use true scope.
  • Add http and json to prelude.

Features

  • Add alerts.check() function.
  • Add alerts.notify function.
  • Add kaufmansER() and kaufmansAMA() functions.
  • Add experimental.to() function.
  • Add experimental.set() function to update entire object.
  • Add experimental.objectKeys() function.
  • Add tripleExponentialDerivative() function.
  • Add json.encode() function.
  • Add mqtt.to() function.
  • Add Bytes type.
  • Update compiler package to use true scope.
  • Add http endpoint.
  • Add post method implementation.
  • String interpolation.

Bug fixes

  • Avoid wrapping table errors in the CSV encoder.
  • Remove irrelevant TODOs.
  • mode() now properly considers nulls when calculating the mode.
  • Add http and json to prelude.
  • Rename all Flux test files to use _test.flux.

v0.39.0 [2019-08-13]

In Flux 0.39.0, holtWinters() can cause the query engine to panic. Flux 0.40.2 resolves this panic.

Breaking changes

  • Implement the scanning components for string expressions.

Features

  • Add tail() function.
  • Add framework for http.post() function.
  • Implement deadman() function.
  • Time arithmetic functions.
  • Alerts package.
  • Add an experimental group() function with mode extend.
  • Implement the scanning components for string expressions.
  • Add chandeMomentumOscillator() function.
  • Add hourSelection() function.
  • Add date.year() function

Bug fixes

  • Update object to use Invalid type instead of nil monotypes.
  • Make it so the alerts package can be defined in pure Flux.
  • Close connection after sql.to().

v0.38.0 [2019-08-06]

Features

  • Update selectors to operate on time columns.
  • Add relativeStrengthIndex() transformation.
  • Add double and triple exponential average transformations (doubleEMA() and tripleEMA()).
  • Add holtWinters() transformation.
  • Add keepFirst parameter to difference().
  • DatePart equivalent functions.
  • Add runtime package.
  • Add and subtract duration literal arithmetic.
  • Allow keep() to run regardless of nonexistent columns. If all columns given are nonexistent, keep() returns an empty table.
  • Scanner returns positioning.

Bug fixes

  • Function resolver now keeps track of local assignments that may be evaluated at runtime.
  • Fixed InfluxDB test errors.
  • Add range to tests to pass in InfluxDB.
  • Allow converting a duration to a duration.
  • Catch integer overflow and underflow for literals.

v0.37.2 [2019-07-24]

  • General cleanup of internal code.

v0.37.1 [2019-07-23]

Bug fixes

  • Fixed InfluxDB test errors.
  • Add range to tests to pass in InfluxDB.

v0.37.0 [2019-07-22]

Features

  • Add PromQL to Flux transpiler and Flux helper functions.
  • Add mutable arrow array builders.
  • Created date package.
  • Return query and result errors in the multi result encoder.
  • Add exponentialMovingAverage().
  • Add full draft of Rust parser.
  • Implement more production rules.
  • AST marshalling.
  • Parse statements.
  • Parse integer and float literals.
  • Add initial Rust implementation of parser.

v0.36.2 [2019-07-12]

Bug fixes

  • Add helper methods for comparing entire result sets.
  • Map will not panic when a record is null.

v0.36.1 [2019-07-10]

Bug fixes

  • Add range call to some end-to-end tests.
  • Fix implementation of strings.replaceAll.

v0.36.0 [2019-07-09]

Features

  • Updated movingAverage() and added timedMovingAverage.
  • elapsed() function.
  • mode() function.
  • sleep() function.
  • Modify error usage in places to use the new enriched errors.
  • Enriched error interface.
  • End-to-end tests that show how to mimic pandas functionality.
  • End-to-end tests for string functions.

Bug fixes

  • Fix difference() so that it returns an error instead of panicking when given a _time column.
  • Added end-to-end tests for type conversion functions.
  • Make map() error if return type is not an object.
  • Fixed miscounted allocations in the ColListTableBuilder.
  • Support formatting with.

Breaking changes

  • Updated movingAverage() to timedMovingAverage and added new movingAverage() implementation.

v0.35.1 [2019-07-03]

Bug fixes

  • Re-add mergeKey parameter to map() in deprecated state.

v0.35.0 [2019-07-02]

Breaking changes

  • Remove mergeKey parameter from the map() function.

Features

  • Add sql.to() function.
  • Add movingAverage() function.
  • Add strlen() and substring() functions to the strings package.

Bug fixes

  • Remove mergeKey parameter from the map() function.
  • Parse float types with PostgreSQL.

v0.34.2 [2019-06-27]

Bug fixes

  • Parse float types with PostgreSQL.

v0.34.1 [2019-06-26]

Features

  • Add custom PostgreSQL type support.
  • Added MySQL type support.
  • Nulls work in table and row functions.

Bug fixes

  • Fixed boolean literal type conversion problem and added tests.
  • Diff should track memory allocations when it copies the table.
  • Copy table will report if it is empty correctly.

v0.33.2 [2019-06-25]

Bug fixes

  • Use strings.Replace instead of strings.ReplaceAll for compatibility.

v0.33.1 [2019-06-20]

Bug fixes

  • Copy table will report if it is empty correctly.

v0.33.0 [2019-06-18]

Breaking changes

  • Implement nulls in the compiler runtime.

Features

  • Add Go regexp functions to Flux.
  • Add the exists operator to the compiler runtime.
  • Implement nulls in the compiler runtime.
  • Add nullable kind.
  • Support “with” syntax for objects in row functions.
  • Port several string functions from go strings library to Flux.
  • Add exists unary operator.

Bug fixes

  • Add range to map_extension_with.flux.
  • Row function resets records map with each call to prepare.
  • Fix joinStr, including adding an EndToEnd Test.
  • Fix string_trimLeft and string_trimRight so that they pass in InfluxDB.
  • Add length check for empty tables in fill.

v0.32.1 [2019-06-10]

Bug fixes

  • Identify memory limit exceeded errors in dispatcher.

v0.32.0 [2019-06-05]

Breaking changes

  • Remove the control package.

Bug fixes

  • Changelog generator now handles merge commits better.
  • Return count of errors when checking AST.

v0.31.1 [2019-05-29]

Bug fixes

  • Do not call done after calling the function.

v0.31.0 [2019-05-28]

Breaking changes

  • Copy the table when a table is used multiple times.

Features

  • Support for dynamic queries.

Bug fixes

  • Copy the table when a table is used multiple times.

v0.30.0 [2019-05-16]

Features

  • Support for dynamic queries.

v0.29.0 [2019-05-15]

Breaking changes

  • Make on a required parameter to join().

Features

Bug fixes

  • Properly use RefCount to reference count tables.
  • Remove the race condition within the (*Query).Done method.
  • Fix table functions test.
  • Add column parameter to median().
  • Modify median to work with aggregateWindow().
  • pivot() now uses the correct column type when filling nulls.
  • Add error handling for property list.
  • Return the error from the context in the executor.

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.

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