Changelog

20.03-1.7.1-alpha

See the Github milestone for the issues included in this release

20.02-1.7.0-alpha

Changes

Breaking changes

• #555: Removes submitted-tx-updated-entity? and submitted-tx-corrected-entity? from the API, replacing them with a new function, tx-committed?.
• #556: Removes new-tx-log-context and tx-log from the API, replacing them with open-tx-log.
• #619: Standalone topology uses memdb (not persisted by default), removes RocksDB dependency from crux-core. See https://opencrux.com/docs#config-rocksdb for details about how to configure RocksDB
• #496: Adding rocksdb metrics. The kv-store is now set as a module inside the topology vector.

Bug fixes

• #565: query predicate at zero join depth can now stop tuples from being returned
• #507: ranges in rules revert to a predicate if neither argument is a logic var

New Features

• #466: Splitting sync's various arities into (sync node <timeout>), (await-tx-time node tx-time <timeout>) and (await-tx node tx <timeout>) ((sync node tx-time <timeout>) is deprecated and will be removed in a subsequent release).
• #625: Metrics can be displayed to a prometheus server
• #597: Metrics can be now analysed in cloudwatch
• #495: Adding metrics to expose various indexer ingest metrics
• #494: Adding metrics to expose metrics on how long queries are taking
• #492: Adding metrics to expose local disk usage
• #494: Adding metrics to expose metrics on how long queries are taking
• #495: Adding metrics to expose various indexer ingest metrics
• #568: You can now supply a vector of modules to crux.node/topology
• #586: Common artifacts are now deployed on every release, check out the releases page on the repository and the Crux dockerhub account.
• #596: The HTTP server is now a module, to be included in the :crux.node/topology vector. See https://opencrux.com/docs#config-http for more details.
• #597: Metrics can be now analysed in cloudwatch
• #625: Metrics can be displayed to a prometheus server

20.01-1.6.2-alpha

Changes

• #524: Batch ingesting docs into the KV store
• #520: New entity arity accepts a snapshot argument for >40% performance boost

Bug fixes

• #371: Documents in failed CaS operations now get evicted correctly
• #434: Fix put/delete/CaS semantics when a transaction contains overlapping valid-time ranges for the same entity
• #545: Fix greater than range predicate bug on empty db
• #546: crux.node/db errors if provided a tx-time later than the latest completed tx, to preserve repeatability of queries.

19.12-1.6.1-alpha

Bug fixes

• #506: Fix lifetime of EntityAsOfIdx within put/delete, was being closed too soon.
• #512: Fix race condition initialising id-hashing

19.12-1.6.0-alpha

Breaking changes

These changes bump the index version to version 5 - a re-index of Crux nodes is required.

• #428: Time ranges removed from 'evict' command, see #PR438 for more details.
• #441: Fix two transactions updating the same entity in the same millisecond always returning the earlier of the two values - requires index rebuild.
• #326: Put/delete with start/end valid-time semantics made consistent

New features

• #363: Allow full-results? and other boolean flags in a vector-style query
• #372: Add support for Java collection types with submitTx
• #377: Can use 'cons' within query predicates
• #414: Developer tool for query tracing
• #430: Add LMDB configuration example to docs + tests
• #457: Allowing nil to be returned from tx-fns

Bug fixes

• #362: Fixes 362 where hashes of small maps were dependent on order
• #365: Replace usages of 'pr-str' with 'pr-edn-str' under crux.io
• #367: Can query empty DB
• #351: Do not merge placeholders into unary results
• #368: Protect calls to modules when node is closed
• #418: Adds exception when query with order-by doesn't return variable ordered on
• #419: Fix specification for ':timeout' within queries.
• #440: Fix return type of 'documents' in the API.
• #453: Add nil check for queries in spec.
• #454: Add fix for tx-log breaking in spec after an eviction
• #482: Bringing README up to date.
• #486: Race condition initialising hash implementation

19.09-1.5.0-alpha

Changes

• #340: Breaking Improve node configuration API, introduce topologies
• #341: Various documentation improvements

Bug fixes

• #352: Fix Kotlin multhreaded node-start issues
• #348: Increase range constraints var-frequency for join order

19.09-1.4.0-alpha

Changes

• #285: Various doc and tx spec enhancements
• #287: Caching checking of specs for queries, 30% speed up for simple queries

New features

• PR #297: Support for PostgreSQL, MySQL, Oracle, SQLite, H2 via crux-jdbc (see subsequent commits on master)
• PR #319: Kafka source and sink connectors
• #176: Ingest API for some operations (without full node / indexes)
• PR #320: Experimental support for transaction functions (disabled by default)

Bug fixes

• #314: NPE when submitting a query with empty args

19.07-1.3.0-alpha

Changes

• PR #300: Breaking replace all usage of the word "system" with "node" (including APIs/docs/examples) e.g. start-standalone-system is now start-standalone-node

New features

• PR #297: New crux-jdbc backend as an alternative to Kafka for clustered deployments

19.07-1.2.0-alpha

Changes

• PR #281: Breaking deprecate juxt/crux release, use crux-core and new modular deps
• #288: Allow crux-kafka client configuration via :kafka-properties-map

New features

• PR #289: Merge WIP crux-console UI

19.07-1.1.1-alpha

Changes

• #266: event-log-dir is mandatory for standalone mode
• PR #235: Add entity cache to improve large query performance

Bug fixes

• #268: sync timeout must be a duration
• #272: HTTP server can use #crux/id reader

19.06-1.1.0-alpha

Changes

• #208: Breaking Remove need for specifying ID in put and cas operations
• #254: Breaking Move blocking db call to sync
• PR #243: Refactoring: Split out api spec

Bug fixes

• #240: Fix using maps as ID
• #241: Events checked against schema
• #198: Fix docs nav links in safari
• PR #206: Handle current max lag being unknown
• #222: Fix race with eviction and caching

19.04-1.0.3-alpha

New features

• PR #174: Make index Reducible (thank you @mpenet)
• #173: Include documents with queries results using :full-results?

Changes

• #202: Enforced use of Date instead of Inst within the transaction spec

Bug fixes

• #183: Fixes for JDK8 compilation
• #180: Fix indexer replay of eviction transactions
• #189: Fix evictions in standalone mode
• #184: Improved testing for document eviction support

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Changes

• PR #N: Breaking example
• #N: issue example

New features

Bug fixes