Mochi Programming Language v0.6.0 – LINQ syntax for querying datasets

20 hours ago 2

Mochi v0.6.0 introduces dataset queries for filtering, joining and grouping lists. Programs can now build analysis pipelines using SQL-like syntax. The release also ships a WebAssembly compiler, notebook integration and new set operations for lists.

Dataset Queries

let result = from o in orders join from c in customers on o.customerId == c.id where o.total > 100 group by c.name into g select { name: g.key, total: sum(from r in g select r.total) }

WebAssembly Compiler

The wasm compiler emits WebAssembly binaries using the Go toolchain or TinyGo so Mochi programs run in the browser.

List Set Operations

Lists support union, union all, except and intersect operators for combining results.

Other Changes

%%mochi Jupyter cell magic
Vector search runtime with a flat index
Dataset query support across Go, Python and TypeScript compilers

Changelog

b8031fd Add Jupyter cell magic
f360311 Add LeetCode 11 solution in Mochi
1106452 Add Two Sum example and tests
4f0090a Add WebAssembly build
6b140d7 Add agent stream example
d255a55 Add basic agent runtime and interpreter integration
9e95629 Add cheatsheet command
ed64029 Add data runtime library
58e92be Add dataset sort/skip/take query support
176d572 Add dataset support to TypeScript compiler
276c4ba Add group by query support
b51c9e9 Add interpreter error golden tests
8dcc33a Add join interpreter tests
6a92fdf Add join query test for Python compiler
1634105 Add join type checking and tests
05cdeab Add left join feature
642007e Add memoization for pure calls in Go compiler
58b7be0 Add query comprehension example and interpreter support
82ec9d0 Add solution for LeetCode 3442
5431d5c Add string indexing example and support
b1e8312 Add union operator for lists
4e97f26 Add while loop support to compilers
be0a869 Fix race condition
6892c65 Implement 'in' operator for string containment
0aaa4f5 Implement runtime/agent
8e627bf Merge pull request #170 from mochilang/mochilang/runtime/agent
c8ea710 Merge pull request #171 from mochilang/codex/integrate-agent-with-interpreter-and-ensure-correctness
c0b1d56 Merge pull request #172 from mochilang/codex/move-agent.mochi-and-add-golden-tests
2d04025 Merge pull request #173 from mochilang/codex/update-go-compiler-to-support-agent
fd10118 Merge pull request #174 from mochilang/codex/update-python-compiler-for-agent-support
df026cf Merge pull request #175 from mochilang/codex/update-mochi-to-support-agent-block
a0866af Merge pull request #176 from mochilang/codex/update-golden-tests-for-compiler
06725af Merge pull request #177 from mochilang/codex/update-documentation-for-new-agent-support
eb651d0 Merge pull request #178 from mochilang/codex/update-golden-tests-for-agents
edd1a7c Merge pull request #179 from mochilang/c60kjx-codex/update-golden-tests-for-agents
b40f244 Merge pull request #180 from mochilang/codex/implement-two-sum-solution-in-mochi
0453e8c Merge pull request #181 from mochilang/codex/extend-mochi-to-support-while-statement
2c566eb Merge pull request #182 from mochilang/codex/save-example-and-extend-mochi-for-string-iteration
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8998461 Merge pull request #185 from mochilang/codex/implement-solution-for-container-with-most-water
d406cf8 Merge pull request #186 from mochilang/codex/update-go-compiler-for-string-index-and-iterator
128c760 Merge pull request #191 from mochilang/03y5p1-codex/update-python-compiler-for-string-index
8236e57 Merge pull request #192 from mochilang/codex/update-readme-and-docs-for-while-statement
60e96ae Merge pull request #193 from mochilang/famf5e-codex/implement-solution-for-longest-repeating-character-replaceme
0a96467 Merge pull request #194 from mochilang/codex/update-typescript-compiler-settings
c1727b4 Merge pull request #195 from mochilang/codex/extend-go,-typescript,-python-to-support-while-statement
84df934 Merge pull request #196 from mochilang/codex/write-release-notes-and-changelog-for-v0.5.0
1a5ae44 Merge pull request #197 from mochilang/codex/review-and-expand-docs-folder-documents
a0b3416 Merge pull request #198 from mochilang/codex/review-errors.go-and-add-golden-tests
1f3a015 Merge pull request #199 from mochilang/codex/review-errors.go-and-add-golden-tests
61886db Merge pull request #200 from mochilang/codex/refactor-streamfield-to-typeref
91a8ebf Merge pull request #201 from mochilang/codex/remove-unnecessary-golden-tests-and-error-handling
b612339 Merge pull request #202 from mochilang/codex/update-spec.md-with-missing-details
2417f25 Merge pull request #203 from mochilang/codex/enhance-missing-features-in-go-compiler
4631cb6 Merge pull request #204 from mochilang/codex/enhance-python-compiler-based-on-parser.go
7218024 Merge pull request #205 from mochilang/codex/enhance-typescript-compiler-based-on-parser.go
a980797 Merge pull request #206 from mochilang/codex/enhance-compiler-to-exclude-async-when-no-stream-code
d319950 Merge pull request #207 from mochilang/codex/review-go-compiler-type-inference
414e35e Merge pull request #208 from mochilang/codex/improve-type-inference-in-compilers
1956af6 Merge pull request #210 from mochilang/codex/enhance-type-infer-to-remove-helperslice
f086bd8 Merge pull request #211 from mochilang/codex/implement-purity-check-and-compile-time-optimization
70d1706 Merge pull request #212 from mochilang/ztgiok-codex/run-benchmark-and-check-output
b9db619 Merge pull request #214 from mochilang/codex/enhance-interpreter-with-purity-check
74a89e5 Merge pull request #215 from mochilang/codex/enhance-go-compiler-with-purity-check
887ecee Merge pull request #216 from mochilang/ed27u9-codex/run-benchmark-and-check-output
1ef6ac1 Merge pull request #217 from mochilang/codex/enhance-argskey-for-memorization
9d57688 Merge pull request #218 from mochilang/codex/update-golden-tests-for-go-compiler
410870d Merge pull request #219 from mochilang/codex/add-memorization-option-in-interpreter
af3ee68 Merge pull request #220 from mochilang/codex/add-cheatsheet-command-to-mochi-binary
92f59d6 Merge pull request #222 from mochilang/codex/apply-aot-in-interpreter-and-benchmark
4af9a01 Merge pull request #223 from mochilang/bbbnga-codex/write-golden-tests-for-go-compiler-folding
ea797d4 Merge pull request #224 from mochilang/codex/apply-fold-let-logic-to-interpreter
d679e63 Merge pull request #225 from mochilang/codex/update-readme-and-docs-for-mochi-cheatsheet-command
631b9f5 Merge pull request #226 from mochilang/codex/enhance-typescript-annotations-for-tests
bf5012b Merge pull request #227 from mochilang/codex/enhance-python-compiler-with-typehint
125c1e8 Merge pull request #228 from mochilang/codex/enhance-typescript-compiler-with-type-annotator
0e95cbe Merge pull request #247 from mochilang/codex/save-and-run-agent-stream-example
d8157f9 Merge pull request #248 from mochilang/codex/update-mochi-cheatsheet.mochi
47bc3d9 Merge pull request #250 from mochilang/codex/update-documentation-to-latest-version
57af018 Merge pull request #251 from mochilang/codex/write-release-notes-for-version-0.5.1
05f07c4 Merge pull request #252 from mochilang/codex/implement-runtime/vector-with-flat-index-and-tests
53c627f Move agent example to v0.5 and add parser golden tests
a8e9a34 Refactor query handling and rename data package
ba4db77 Remove golden tests for character replacement
6a251be Update compiler golden outputs
bb5da54 Update fold constant folding test with sum function
fdea2fb Update golden tests with new Go compiler
9c821b9 build: add TinyGo WASM setup
2d09ecd chore: update benchmark results
9efcb3b chore: update benchmarks
8fcfc23 compiler: add join support
52a54a0 compiler: fix query var names
33427b1 compiler: inline indexing for typed collections
c1fcc44 compiler: inline slice for typed collections
478362f compiler: skip async wait when no streams
b31a8e2 doc: document list union operators
22c23bf feat(go): handle string indexing and iteration
a371c69 feat(interpreter): fold let constants
65c8ef6 feat(interpreter): memoize pure function calls
45ce2a0 feat(interpreter): type cast stream events
9e2e4e1 feat(py): add agent support
49734df feat(py): add dataset query support
f50a68c feat(py): add join helper
ba684ec feat(py): add type hints in python compiler
2b35e52 feat(py): support string index and iteration
d8d07e1 feat(ts): add type annotations to functions
22db442 feat(ts): annotate variable declarations
180bdf1 feat(ts): support string indexing and iteration
908471d feat: add AOT folding option
4ab0d6d feat: add except set difference
2a6fed6 feat: add full outer join
ac93862 feat: add in-memory data driver
e66ed13 feat: add intersect set operation
1dac97c feat: add join support
21b9776 feat: add right join support
43b1ecd feat: add sort/skip/take to query compilers
929615e feat: add union all operator
da7e4c5 feat: add wasm compiler
64993bc feat: add while statement
a28145c feat: support cross join in queries
c32e4c3 fix diagnostic help placeholders
cb79115 fix examples and enforce naming
05192be go compiler: add agent support
acf40ca go compiler: add cast support
5cad8e3 go compiler: add dataset query support and tests
2608562 go compiler: specialize string index helper
6981455 go: add basic left join support
862897c go: add join helper and detection
2b93788 improve argsKey memoization
07e4f81 interpreter: add optional memoization
854dc7b parser: add dataset query features and tests
557fb47 parser: add dataset query syntax
64f23d8 parser: add join clause support
c32f950 py compiler: support model declarations and ignore cast
7de3300 refactor: move pure call eval to interpreter
f6abcbb refactor: move query eval to runtime/data
0f9b9e6 release: v0.5.0
72699db release: v0.5.1
08e923d release: v0.6.0
a3da8c4 runtime/vector: add vector index implementation
5472078 test(types): add missing error golden tests
b08c0bd tests: add agent golden cases
a9bcb36 tests: add agent golden cases
c7c6284 tests: fix newline
93a92a6 ts compiler: add agent block support
6874432 ts compiler: add join helper
2cbb3ae ts compiler: support tests and expect
62485c7 types: handle queryExpr in dataset type checks
f9ad084 types: remove unused equality error and dead code
8e57433 types: validate query source is list