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CHANGELOG.md

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Change Log

For updates follow @implydata on Twitter.

0.10.21

  • Druid: Default to JavaScript filter for negative bounds in bound filter
  • Add tests around negative numbers

0.10.20

  • Added PostgresExternal
  • Refactored common SQL External functionality into SQLExternal base class
  • Fixed timezone bucketing in MySQL External
  • Support countDistinct on Theta sketches
  • Druid GroupBy will no longer receive arbitrary limit

0.10.19

  • Made filters on non primary time dimensions work in DruidExternal
  • Added basic tests for legacy Druid versions

0.10.18

  • timeFloor and timeBucket actions make sure duration is floorable

0.10.17

  • helper.overrideByName maintains original order
  • DruidExternal explicitly sends UTC timestamps

0.10.16

  • Ability to define delegates in Externals
  • selectAction now type checks and only allows defined attributes to be selected
  • DruidExternal.getSourceList now returns the sources in a sorted order
  • Adding range extent

0.10.15

  • New chronoshift fixes bug with flooring PT12H

0.10.14

  • Fixed parsing of NULL in set expressions
  • Added information function to PlyQL

0.10.13

  • Allow PlyQL to support SHOW SESSION VARIABLES WHERE ... rewriting

0.10.12

  • Fix distribution of SUM(1) => COUNT()
  • Added DruidExternal.getVersion
  • Fixed post computation tasks
  • Added support for USE on PlyQL
  • PlyQL allows NULL in set literal e.g. {'a', 'b', NULL}

0.10.11

  • PlyQL describe query now rewrites

0.10.10

  • Fixed problem with DruidExternal having filter generating an OR instead of an AND for time ranges

0.10.9

  • Fixed problem with filtering on multi-dimensional dimensions with a lookup
  • Added Dataset#findDatumByAttribute

0.10.8

  • Fixed bug where flatten would fail on an empty nested dataset.

0.10.7

  • Accidentally published again.

0.10.6

  • Added finalizer option to Dataset#toTabular
  • Fixed quoting when exporting to CSV or TSV

0.10.5

  • Fixed DruidExternal sometimes generating an invalid Druid query when doing a multi-dimensional split that includes time
  • Unsuppress datasource when it is limited or selected
  • Better show query support

0.10.4

  • Made Dataset#apply and Dataset#select truly immutable
  • Fix Druid introspection bug on JS ingestion aggregators
  • Allow data-less PlyQL queries like SELECT 1+1
  • Default PlyQL AS text now matches SQL implementation.

0.10.3

  • Removed duplicate entry that killed in strict mode.

0.10.2

  • Added ability to do ISO8601 in PlyQL time literals
  • Ability to sort in select queries
  • Fix timeFloor now work with limit

0.10.1

  • Fixed bug where select queries including multi value dimensions would sometimes error out in DruidExternal
  • Changed helper.overrideByName to helper.overridesByName, helper.overrideByName now does a single override
  • Added finalLineBreak option to Dataset#toTabular, Dataset#toCSV, Dataset#toTSV (default to 'include' for tabular and 'suppress' for toCSV and toTSV)
  • Dataset now always has introspected dimensions
  • Support for zero Intervals in PlyQL
  • Support for DATE_FORMAT in PlyQL as used in MySQL for TIME_FLOOR

0.9.25

  • Dramatically reduced PlyQL parser size
  • Added YEAR as a possible timePart value
  • Added CURDATE, PI, YEAR, MONTH, WEEK_OF_YEAR, DAY_OF_YEAR, DAY_OF_MONTH, DAY_OF_WEEK, HOUR, MINUTE, SECOND, DATE, CURRENT_TIMESTAMP, LOCALTIME, LOCALTIMESTAMP, UTC_TIMESTAMP, SYSDATE, CURRENT_DATE, UTC_DATE, DAY_OF_YEAR, DOY, DOW, DAYOFMONTH, DAY, WEEKOFYEAR, and WEEK to PlyQL
  • Fixed bug where DAY_OF_YEAR, DAY_OF_MONTH, and DAY_OF_WEEK was zero indexed
  • Added support for timeFloor split in Druid external

0.9.24

  • Added SET expressions to PlyQL {'A', 'B', 'C'}
  • PlyQL can now parse IN with arbitrary expression on right hand side

0.9.23

  • Fix .match() not working on SET/STRING

0.9.22

  • Moved date parsing to Chronoshift and updated to latest Chronoshift
  • Parser can now configure a timezone within which it will parse 'local' date strings
  • Optimized post processing by not calculating the filter for final splits

0.9.21

  • Added ability to define the timezone through the environment
  • Timezone always defaults to UTC
  • Date parsing no longer done by PlyQL parser
  • Added tests for legacy Druid versions

0.9.20

  • Added convenient filtered aggregators to PlyQL like: SUM(added WHERE cityName = 'San Francisco')
  • Fixed PlyQL incorrectly parsing SELECT COUNT(page)

0.9.19

  • Fixed null handling in extractionFns for Druid 0.8.3

0.9.18

  • Fixed overlap on [null]
  • Enabled all Druid 0.9.0 tests (testing using Druid 0.9.0-iap1)

0.9.17

  • DruidExternal now supports lookups on SET/STRING dimensions

0.9.16

  • Fixed bug where DruidExternal did not work with filtered cardinality aggregator

0.9.15

  • New immutable class methods

0.9.14

  • Allow derivedAttributes to be specified in ExternalJS
  • derivedAttributes can now be used in filters and splits
  • Fixed bugs in type inference
  • Fixed .substr() getJS to work correctly with nulls

0.9.13

  • Added (experimental) rollup mode to all Externals, only implemented in DruidExternal
  • Derived attributes now work for DruidExternal

0.9.12

  • DruidExternal now supports boolean ref filters like: $wiki.filter($isAnonymous)

0.9.11

  • added getSourceList to externals
  • Fixed bug in expression simplification where $s.contains('A') and $x.is('B') => false
  • Respect unsplitable measures in DruidExternal

0.9.10

  • DruidExternal timeAttribute now defaults to __time
  • Moved find* methods into helper
  • Externals can re-introspect

0.9.9

  • Fixed Druid 'select' failing on time interval outside of Druid cluster

0.9.8

  • Using Imply Analytics Platform 1.1.1 docker image for Druid tests
  • Derived columns in Druid select will now trigger if version is /^0.9.0-iap/

0.9.7

  • version is now a parameter on all External
  • In Druid external druidVersion was renamed to version
  • Fixed MySQL translation of .is() action to use null safe equals (<=>)
  • Fixed MySQL translation of .contains()
  • Added <=> to PlyQL
  • Druid external now introspects version and does not make broken query

0.9.6

  • Support for new features in Druid 0.9.0
  • Fix for Druid "bound" / "between" filter
  • Much faster PlyQL parsing

0.9.5

  • The FROM clause in PlyQL now accepts relaxed table names allowing for: SELECT * FROM my-table*is:the/best_table

0.9.4

  • Set skipEmptyBuckets: "true" in timeseries queries to get the Plywood expected behaviour

0.9.3

  • Added .select('attr1', 'attr2', 'attr3') action allowing SELECT attr1, attr2, attr3 FROM ... to be expressed in PlyQL
  • Added support for .quantile(p) aggregator in DruidExternal (using approximateHistograms)
  • Better support for filtered aggregates in DruidExternal

0.9.2

  • Custom type guards for all the modal classes

0.9.1

  • New 'value' mode in externals. $wikipedia.sum($added) is now computable.
  • More relaxed date literal parsing in PlyQL

0.8.21

  • Fix native overlap calculation

0.8.20

0.8.19

  • Upgraded to TypeScript 1.8

0.8.18

  • SELECT queries in Druid are now mindful of the attributes and inflate values correctly.

0.8.17

  • All cross functional tests now running with rollup.
  • Temporary columns are no longer being returned by Druid.

0.8.16

  • Fixed issue with .in(...).not() in the DruidExternal

0.8.15

  • overlap now allows STRING arguments, simplifies to in

0.8.14

  • DruidExternal will use topNs for defined small splits even when there is no limit set (like BOOLEAN, timeBucket(HOUR_OF_DAY))
  • Fixed bug for MySQLExternal not dealing well with BOOLEAN splits

0.8.13

  • Added overlap action
  • Added multi-database query test / example

0.8.12

  • Fixed sorting direction when sorting on a split in Druid
  • Ability to do filtered aggregations on SQL drivers
  • == NULL works correctly with SQL drivers

0.8.11

  • MySQL functional tests can now run in docker
  • Better checks for expression types in aggregates

0.8.10

  • Better handling for filtered attributes now allows filtered attributes on countDistinct and custom
  • Fixed sorting for numeric columns in DruidExternal

0.8.9

  • Add absolute, power, sqrt, fallback action
  • Corresponding ABS, POW/POWER, EXP, SQRT, and IFNULL/FALLBACK to PlyQL
  • Fixed type checking in InAction

0.8.8

  • Fixed match on nulls to return null

0.8.7

  • Support SELECT DISTINCT syntax in PlyQL

0.8.6

  • Add timeRange action (TIME_RANGE in PlyQL) - not supported by DruidExternal yet

0.8.5

  • Add timeFloor action (TIME_FLOOR in PlyQL) - not supported by DruidExternal yet
  • Rename unused offsetTime action to timeShift (TIME_SHIFT in PlyQL) and add step parameter - not supported by DruidExternal yet
  • Fixed how concat works on nulls to return null
  • Added .isnt and .negate to expression parsing grammar (they were mistakenly excluded)
  • Added MATCH function to PlyQL
  • Timezone parameter is now optional in all the time* functions in Plywood and PlyQL
  • Added NOW() to PlyQL
  • Better DruidExternal column introspection error detection

0.8.4

  • Allow parsing of DESCRIBE verb for PlyQL

0.8.3

  • Changed avoidSegmentMetadata to introspectionStrategy: 'datasource-get' defaults to 'segment-metadata-fallback'

0.8.2

  • Brand new introspection code for druidExternal no more useSegmentMetadata flag instead there is a avoidSegmentMetadata flag
  • Fix .lookup() stringification
  • PlyQL comments are treated like they are in MySQL: -- needs to be followed by a space, # starts a comment, and /* ... */ inline and multiline comments are supported

0.8.1

  • Removing d3 dependency and minimizing code size

0.7.30

  • Fixed interval conversion to add a millisecond and not a second
  • Allow for filtering on exact date in DruidExternal
  • Fixed missing error message when invalid interval is given

0.7.29

  • In DruidExternal a time attribute will no longer collide with an existing attribute

0.7.28

  • Added ability to write $('time').in('2015-03-03Z', '2015-10-10Z')
  • Added ability to parse $time.in('2015-03-03Z', '2015-10-10Z')
  • Fixed bug in $number.in(1, 2) syntax

0.7.27

  • Native timePart now works

0.7.26

  • Updated Druid External to use doubleMin and doubleMax.

0.7.25

  • Fixed bug in sorting with null in the list
  • Updated to latest typescript (1.7.5)

0.7.24

  • Added the .lookup('my_lookup') expression that translates to a query time lookup in Druid
  • Added the corresponding LOOKUP function to PlyQL
  • Fixed split simplification

0.7.23

  • In PlyQL COUNT(blah) returns the count where blah is not null in accordance with SQL standard.
  • Added query IDs to verboseRequester
  • Flashed out PlyQL docs
  • Fixed bug in parameter parsing with leading numbers

0.7.22

  • Added .extract() function
  • Added EXTRACT function to PlyQL
  • Fixed bug in PlyQL where a space before the trailing ) would cause a parse error
  • More docs :-)

0.7.21

  • DruidExternal supports extractionFn filters such as .filter($x.substr(0, 1) === 'D')
  • added druidVersion to DruidExternal to support feature differentiation
  • added native Druid substring filter support or druidVersion >= 0.9.0

0.7.20

  • Added some docs
  • Created plywood-proxy
  • PlyQL LIKE now works to SQL spec (added ESCAPE clause)
  • Added CONTAINS clause to PlyQL
  • Added REGEXP clause to PlyQL

0.7.19

  • Added firstAction and lastAction to all expressions
  • popAction no longer takes an optional action type (warning added)

0.7.18

  • DruidExternal now works with upper/lower time bound only

0.7.17

  • Fixed string handling in parser arguments
  • Added contains to expression parsing grammar

0.7.16

  • Added timePart to MySQL dialect
  • Added time part option for MONTH_OF_YEAR

0.7.15

  • Fixed bug to ensure Dataset#flatten works with empty datasets

0.7.14

  • Added Set#toggle

0.7.13

  • Added simplification rule for .sort(X).filter(Y) => .filter(Y).sort(X)
  • Added simplification rule for .sort(X).sort(X) => .sort(X)

0.7.12

  • Added simplification rule for .not().not() => nothing

0.7.11

  • Added External#updateAttribute

0.7.10

  • Fixed Dataset#average
  • Latest Chronoshift allows for PT15M bucketing, e.t.c.

0.7.9

  • Better apply, filter, limit sorting
  • Multi-dim group dy uses granularity when it can.

0.7.8

  • Fixed bug in Set#add

0.7.7

0.7.4

  • Refactored DruidExternal
  • DruidExternal now supports multi-dim splits
  • Timezone (2nd argument) in timeBucket is now optional, defaults to UTC
  • Fixed native dataset.max

0.7.3

  • Better docs
  • Context is now added passed along in a DruidExternal

0.7.2

  • Added Expression.concat
  • Added CONCAT to the PlyQL parser

0.7.1

  • Paving the road for multi-dimensional splits .split({ Page: '$page', User: '$user' })
  • Fixed problems with SELECT queries
  • Allow for SQL parsing of SELECT *
  • Fix support for sort and limit in SELECT queries
  • Better escaping in MySQL driver

0.6.3

  • Changed JS fallbacks in DruidExternal to use native code generators and removed some null bugs.

0.6.2

  • Added more rules to the SQL parser: IS, LIKE, and awareness of UPDATE, SET, e.t.c

0.6.1

  • Changed the return type of Expression.parseSQL to return and object with the keys verb, expression, and table Expression.parseSQL(blah) ==> Expression.parseSQL(blah).expression
  • In PlyQL changed the meaning of GROUP BY <number> to be a reference to a column (just like in MySQL and Postgres)

0.5.2

  • Added support for case sensitive (normal) / case insensitive (ignoreCase) contains.
  • Improved concat action support in Druid

0.5

  • Chain expression .toJS() now returns action instead of actions array if there is only one action. Both are still valid to parse.
  • Misc bug fixes
  • Added SortAction DESCENDING, ASCENDING, toggleDirection
  • DruidExternal guards against duplicate aggs and postAggs

0.4

  • Changed attribute definitions to be an array instead of an object and added deprecation message.