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Posted to commits@calcite.apache.org by mm...@apache.org on 2019/06/13 18:08:48 UTC
[calcite] 02/02: Release notes for 1.20.0
This is an automated email from the ASF dual-hosted git repository.
mmior pushed a commit to branch branch-1.20
in repository https://gitbox.apache.org/repos/asf/calcite.git
commit 6c46b737d47f55facd370b7678297bfc502a578b
Author: Michael Mior <mm...@cs.rit.edu>
AuthorDate: Thu Jun 13 14:07:31 2019 -0400
Release notes for 1.20.0
---
site/_docs/history.md | 161 +++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 160 insertions(+), 1 deletion(-)
diff --git a/site/_docs/history.md b/site/_docs/history.md
index 616d881..cf57c31 100644
--- a/site/_docs/history.md
+++ b/site/_docs/history.md
@@ -34,11 +34,12 @@ Downloads are available on the
Compatibility: This release is tested
on Linux, macOS, Microsoft Windows;
-using Oracle JDK 8, 9, 10, 11, 12 and OpenJDK 8, 9, 10, 11, 12;
+using Oracle JDK 8, 9, 10, 11, 12, 13 and OpenJDK 8, 9, 10, 11, 12, 13;
Guava versions 19.0 to 27.1-jre;
Apache Druid version 0.14.0-incubating;
other software versions as specified in `pom.xml`.
+
#### Breaking Changes
* Make `EnumerableMergeJoin` extend `Join` instead of `EquiJoin`
@@ -50,6 +51,164 @@ other software versions as specified in `pom.xml`.
* Rules: `SemiJoinFilterTransposeRule`, `SemiJoinJoinTransposeRule`, `SemiJoinProjectTransposeRule`
and `SemiJoinRemoveRule` match `LogicalJoin` with join type `SEMI` instead of `SemiJoin`.
+#### New features
+
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2822'>CALCITE-2822</a>] Allow `MultiJoin` rules with any project/filter
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2968'>CALCITE-2968</a>] New `AntiJoin` relational expression
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2721'>CALCITE-2721</a>] Support parsing record-type [DOT] member-functions
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3005'>CALCITE-3005</a>] Implement string functions: `LEFT`, `RIGHT`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2812'>CALCITE-2812</a>] Add algebraic operators to allow expressing recursive queries
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2913'>CALCITE-2913</a>] Adapter for Apache Kafka
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3084'>CALCITE-3084</a>] Implement JDBC string functions: `ASCII`, `REPEAT`, `SPACE`, `SOUNDEX`, `DIFFERENC`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2985'>CALCITE-2985</a>] Implement `JSON_STORAGE_SIZE` function
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2601'>CALCITE-2601</a>] Add `REVERSE` function
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2712'>CALCITE-2712</a>] Add rule to remove null-generating side of a Join
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2965'>CALCITE-2965</a>] Implement string functions: `REPEAT`, `SPACE`, `SOUNDEX`, `DIFFERENCE`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2975'>CALCITE-2975</a>] Implement `JSON_REMOVE` function
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2933'>CALCITE-2933</a>] Add timestamp extract for casts from timestamp type to other types
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3011'>CALCITE-3011</a>] Support left and right outer joins with `AggregateJoinTransposeRule`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2427'>CALCITE-2427</a>] Allow sub-queries in DML statements
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2914'>CALCITE-2914</a>] Add a new statistic provider, to improve how `LatticeSuggester` deduces foreign keys
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2754'>CALCITE-2754</a>] Implement `LISTAGG` function
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-1172'>CALCITE-1172</a>] Add rule to flatten two Aggregate operators into one
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2892'>CALCITE-2892</a>] Add the `JSON_KEYS` function
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-883'>CALCITE-883</a>] Support `RESPECT NULLS`, `IGNORE NULLS` option for `LEAD`, `LAG`, `FIRST_VALUE`, `LAST_VALUE`, `NTH_VALUE` functions
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2920'>CALCITE-2920</a>] In `RelBuilder`, add `antiJoin` method
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-1515'>CALCITE-1515</a>] In `RelBuilder`, add `functionScan` method to create `TableFunctionScan`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2658'>CALCITE-2658</a>] Add `ExchangeRemoveConstantKeysRule` that removes constant keys from `Exchange` or `SortExchange`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2729'>CALCITE-2729</a>] Introducing `WindowReduceExpressionsRule`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2808'>CALCITE-2808</a>] Add the `JSON_LENGTH` function
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-589'>CALCITE-589</a>] Extend `unifyAggregates` method to work with Grouping Sets
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2908'>CALCITE-2908</a>] Implement SQL `LAST_DAY` function
+
+#### Bug-fixes, API changes and minor enhancements
+
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3119'>CALCITE-3119</a>] Deprecate Linq4j `CorrelateJoinType` (in favor of `JoinType`)
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3087'>CALCITE-3087</a>] `AggregateOnProjectToAggregateUnifyRule` ignores Project incorrectly when its Mapping breaks ordering
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2744'>CALCITE-2744</a>] Remove usage of deprecated API in `MockSqlOperatorTable`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3123'>CALCITE-3123</a>] In `RelBuilder`, eliminate duplicate aggregate calls
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3116'>CALCITE-3116</a>] Upgrade to Avatica 1.15
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2744'>CALCITE-2744</a>] `RelDecorrelator` use wrong output map for `LogicalAggregate` decorrelate
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2804'>CALCITE-2804</a>] Fix casting to timestamps in Druid
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3107'>CALCITE-3107</a>] Upgrade commons-dbcp2 from 2.5.0 to 2.6.0
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3106'>CALCITE-3106</a>] Upgrade commons-pool2 from 2.6.0 to 2.6.2
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2944'>CALCITE-2944</a>] Deprecate Aggregate indicator and remove fields where possible
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3098'>CALCITE-3098</a>] Upgrade SQLLine to 1.8.0
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2742'>CALCITE-2742</a>] Read values of `USER` and `SYSTEM_USER` variables from `DataContext`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3082'>CALCITE-3082</a>] Fix NPE in `SqlUtil#getSelectListItem`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3093'>CALCITE-3093</a>] Remove JDBC connection calls from `PlannerImpl`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3095'>CALCITE-3095</a>] Add several system properties to control enabling/disabling of rules and traits
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2696'>CALCITE-2696</a>] Improve design of join-like relational expressions
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3097'>CALCITE-3097</a>] GROUPING SETS breaks on sets of size > 1 due to precedence issues (Steven Talbot)
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3022'>CALCITE-3022</a>] Babel: Various SQL parsing issues
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3047'>CALCITE-3047</a>] In JDBC adapter, expose multiple schemas of the back-end database
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3048'>CALCITE-3048</a>] Improve how JDBC adapter deduces current schema on Redshift
+* Javadoc typos (Wenhui Tang, Muhammad Gelbana)
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3096'>CALCITE-3096</a>] In `RelBuilder`, make alias method idempotent
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3055'>CALCITE-3055</a>] Use pair of `relNode`'s `rowType` and digest as unique key for cache in `RelOptPlanner`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3021'>CALCITE-3021</a>] Equality of nested `ROW`s returns false for identical values
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3077'>CALCITE-3077</a>] Rewrite `CUBE`&`ROLLUP` queries in `SparkSqlDialect`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3090'>CALCITE-3090</a>] Remove Central configuration
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2807'>CALCITE-2807</a>] Fix `IS NOT DISTINCT FROM` expression identification in `RelOptUtil#pushDownJoinConditions`()
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3050'>CALCITE-3050</a>] Integrate `SqlDialect` and `SqlParser.Config`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3023'>CALCITE-3023</a>] Upgrade elastic search to 7.x
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3067'>CALCITE-3067</a>] Splunk adapter cannot parse right session keys from Splunk 7.2
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3076'>CALCITE-3076</a>] `AggregateJoinTransposeRule` throws error for unique under aggregate keys when generating merged calls
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3068'>CALCITE-3068</a>] `testSubprogram()` does not test whether subprogram gets re-executed
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3072'>CALCITE-3072</a>] Generate right SQL for `FLOOR&SUBSTRING` functions in `SparkSqlDialect`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3074'>CALCITE-3074</a>] Move MySQL's JSON operators to `SqlLibraryOperators`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3062'>CALCITE-3062</a>] Do not populate `provenanceMap` if not debug
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2282'>CALCITE-2282</a>] Remove sql operator table from parser
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3052'>CALCITE-3052</a>] Error while applying rule `MaterializedViewAggregateRule`(Project-Aggregate): `ArrayIndexOutOfBoundsException`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3066'>CALCITE-3066</a>] `RelToSqlConverter` may incorrectly throw an `AssertionError` for some decimal literals
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3028'>CALCITE-3028</a>] Support FULL OUTER JOIN with `AggregateJoinTransposeRule`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3017'>CALCITE-3017</a>] Improve null handling of `JsonValueExpressionOperator`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2936'>CALCITE-2936</a>] Simplify EXISTS or NOT EXISTS sub-query that has "GROUP BY ()"
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2803'>CALCITE-2803</a>] `ProjectTransposeJoinRule` messes INDF expressions
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3061'>CALCITE-3061</a>] Query with WITH clause fails when alias is the same as the table with rolled up column
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3017'>CALCITE-3017</a>] Re-organize how we represent built-in operators that are not in the standard operator table
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3056'>CALCITE-3056</a>] Elasticsearch adapter. Invalid result with cast function on raw queries
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3046'>CALCITE-3046</a>] `CompileException` when inserting casted value of composited user defined type into table
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3054'>CALCITE-3054</a>] Elasticsearch adapter. Avoid scripting for simple projections
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3039'>CALCITE-3039</a>] In Interpreter, min() incorrectly returns maximum double value
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3049'>CALCITE-3049</a>] When simplifying "IS NULL" and "IS NOT NULL", simplify the operand first
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3003'>CALCITE-3003</a>] `AssertionError` when GROUP BY nested field
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3012'>CALCITE-3012</a>] Column uniqueness metadata provider may return wrong result for FULL OUTER JOIN operator
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3045'>CALCITE-3045</a>] `NullPointerException` when casting null literal to composite user defined type
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3030'>CALCITE-3030</a>] `SqlParseException` when using component identifier for setting in merge statements (Danny Chan)
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3029'>CALCITE-3029</a>] Java-oriented field type is wrongly forced to be NOT NULL after being converted to SQL-oriented
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2292'>CALCITE-2292</a>] Query result is wrong when table is implemented with `FilterableTable` and the sql has multiple where conditions
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2998'>CALCITE-2998</a>] `RexCopier` should support all rex types
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2982'>CALCITE-2982</a>] `SqlItemOperator` should throw understandable exception message for incorrect operand type
+* Revert "[<a href='https://issues.apache.org/jira/browse/CALCITE-3021'>CALCITE-3021</a>] `ArrayEqualityComparer` should use `Arrays#deepEquals`/`deepHashCode` instead of `Arrays#equals`/`hashCode`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3021'>CALCITE-3021</a>] `ArrayEqualityComparer` should use `Arrays#deepEquals`/`deepHashCode` instead of `Arrays#equals`/`hashCode`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2453'>CALCITE-2453</a>] Parse list of SQL statements separated with a semicolon
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3004'>CALCITE-3004</a>] `RexOver` is incorrectly pushed down in `ProjectSetOpTransposeRule` and `ProjectCorrelateTransposeRule`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3001'>CALCITE-3001</a>] Upgrade to Apache Druid 0.14.0-incubating
+* Following [<a href='https://issues.apache.org/jira/browse/CALCITE-3010'>CALCITE-3010</a>], remove redundant non-reserved keyword definitions
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2993'>CALCITE-2993</a>] `ParseException` may be thrown for legal SQL queries due to incorrect "LOOKAHEAD(1)" hints
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3010'>CALCITE-3010</a>] In SQL parser, move `JsonValueExpression` into Expression
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3009'>CALCITE-3009</a>] `DiffRepository` should ensure that XML resource file does not contain duplicate test names
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2986'>CALCITE-2986</a>] Wrong results with =ANY subquery
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2962'>CALCITE-2962</a>] `RelStructuredTypeFlattener` generates wrong types for nested column when `flattenProjection`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3007'>CALCITE-3007</a>] Type mismatch for ANY subquery in project
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2865'>CALCITE-2865</a>] `FilterProjectTransposeRule` generates wrong `traitSet` when `copyFilter`/`Project` is true
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2343'>CALCITE-2343</a>] `PushProjector` with OVER expression causes infinite loop
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2994'>CALCITE-2994</a>] Least restrictive type among structs does not consider nullability
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2991'>CALCITE-2991</a>] `getMaxRowCount` should return 1 for an Aggregate with constant keys
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-1338'>CALCITE-1338</a>] `JoinProjectTransposeRule` should not pull a literal up through the null-generating side of a join
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2977'>CALCITE-2977</a>] Exception is not thrown when there are ambiguous field in select list
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2739'>CALCITE-2739</a>] NPE is thrown if the DEFINE statement contains IN in `MATCH_RECOGNIZE`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-896'>CALCITE-896</a>] Remove Aggregate if grouping columns are unique and all functions are splittable
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2456'>CALCITE-2456</a>] `VolcanoRuleCall` doesn't match unordered child operand when the operand is not the first operand. `PruneEmptyRules` `UNION` and `MINUS` with empty inputs cause infinite cycle.
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2847'>CALCITE-2847</a>] Optimize global LOOKAHEAD for SQL parsers
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2976'>CALCITE-2976</a>] Improve materialized view rewriting coverage with disjunctive predicates
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2954'>CALCITE-2954</a>] `SubQueryJoinRemoveRule` and `SubQueryProjectRemoveRule` passing on empty set instead of set of correlation id
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2930'>CALCITE-2930</a>] `IllegalStateException` when `FilterCorrelateRule` matches a SEMI or ANTI Correlate
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2004'>CALCITE-2004</a>] Push join predicate down into inner relation for lateral join
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2820'>CALCITE-2820</a>] Avoid reducing certain aggregate functions when it is not necessary
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2928'>CALCITE-2928</a>] When resolving user-defined functions (UDFs), use the case-sensitivity of the current connection
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2900'>CALCITE-2900</a>] `RelStructuredTypeFlattener` generates wrong types on nested columns
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2941'>CALCITE-2941</a>] `EnumerableLimitRule` on Sort with no collation creates `EnumerableLimit` with wrong `traitSet` and `cluster`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2909'>CALCITE-2909</a>] Optimize Enumerable `SemiJoin` with lazy computation of `innerLookup`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2903'>CALCITE-2903</a>] Exception thrown when decorrelating query with `TEMPORAL TABLE`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2958'>CALCITE-2958</a>] Upgrade SQLLine to 1.7.0
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2796'>CALCITE-2796</a>] JDBC adapter fix for `ROLLUP` on MySQL 5
+* In `RelFieldCollation`, add a `withX` copy method
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2953'>CALCITE-2953</a>] `LatticeTest.testTileAlgorithm2` and `LatticeTest.testTileAlgorithm3` fail intermittently
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-574'>CALCITE-574</a>] Remove `org.apache.calcite.util.Bug.CALCITE_461_FIXED`
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2951'>CALCITE-2951</a>] Support decorrelate subquery that has aggregate with grouping sets
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2946'>CALCITE-2946</a>] `RelBuilder` wrongly skips creation of Aggregate that prunes columns if input produces one row at most
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2942'>CALCITE-2943</a>] Materialized view rewriting logic calls `getApplicableMaterializations` each time the rule is triggered
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2942'>CALCITE-2942</a>] Materialized view rewriting logic instantiates `RelMetadataQuery` each time the rule is triggered
+
+#### Build and test suite
+
+* Fix test exception caused by slightly different error message from regex in JDK 13
+* Following [<a href='https://issues.apache.org/jira/browse/CALCITE-2812'>CALCITE-2812</a>] Disable parallel execution of parameterized test to avoid hanging
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-35'>CALCITE-35</a>] More test cases to guard against providing a broken fix for parenthesized join
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3034'>CALCITE-3034</a>] CSV test case description does not match it's code logic
+* Mongo adapter. Mongo checker validates only first line of the Bson query in tests
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3053'>CALCITE-3053</a>] Add a test to ensure that all functions are documented in the SQL reference
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2961'>CALCITE-2961</a>] Enable Travis to test against JDK 13
+
+#### Web site and documentation
+
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2952'>CALCITE-2952</a>] Document JDK 12 support
+* Site: Add Danny Chan as committer
+* Site: Improve contribution guidelines for JIRA
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2846'>CALCITE-2846</a>] Document Oracle-specific functions, such as `NVL` and `LTRIM`, in the SQL reference
+* Site: Add new committers and PMC (Chunwei Lei, Ruben Quesada Lopez, Zhiwei Peng and Stamatis Zampetakis)
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-3006'>CALCITE-3006</a>] Example code on site cannot compile
+* Site: Add guidelines for JIRA's fix version field
+* Site: Update content of "Not implemented" since JSON_LENGH has already been added
+* Site: Improve documentation for MySQL-specific JSON operators
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2927'>CALCITE-2927</a>] The Javadoc and implement of `RuleQueue.computeImportance()` is inconsistent
+* Update instructions for publishing site; we previously used subversion, now we use git
+* Site: Add Alibaba MaxCompute to powered-by page
+* Site: Add new committers (Haisheng Yuan, Hongze Zhang and Stamatis Zampetakis)
+* [<a href='https://issues.apache.org/jira/browse/CALCITE-2952'>CALCITE-2952</a>] Add JDK 12 as tested to 1.19.0 history
+
## <a href="https://github.com/apache/calcite/releases/tag/calcite-1.19.0">1.19.0</a> / 2019-03-25
{: #v1-19-0}