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CHANGELOG.md

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CHANGELOG.md

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3.2.3 (8/7/15)

  • Loosen accessibility of Collection::updateElements from private to protected.

3.2.2 (21/6/15)

  • Optimize standard and generator iterators to only use array compatible iterator (replaces non scalar keys) where necessary

3.2.1 (20/6/15)

  • Update join generator classes such that they dont perform unnecessary inner loop computations for every iteration.
  • Optimize aggregate functions in Traversable

3.2.0 (20/6/15)

  • Fix return by reference issue in generator scheme for PHP versions >=5.6.8
  • Refactor Analysis\PhpTypeSystem::getTypeFromValue method logic into new static method Analysis\TypeId::fromValue
  • Fix bug when attempting to parse function with a magic scope parameter type hint (eg function (self $param) { ... }.
  • Implement Analysis\TolerantExpressionAnalyser which will convert analysis exceptions into the mixed type.
  • Add Providers\DSL\Compilation\Parameters\ParameterCollection::contains to check whether the collection contains a parameter.
  • Add Providers\DSL\Compilation\Parameters\ParameterCollection::remove to remove a previously added parameter.
  • Introduce Analysis\INativeType::TYPE_NUMERIC acting as a union type for Analysis\INativeType::TYPE_INT and Analysis\INativeType::TYPE_DOUBLE
  • Fix bug when joining to the same ITraversable instance with an ->indexBy(...) only returning the first element.

3.1.0 (29/3/15)

  • Upgraded to nikic/php-parser V1.2.0
  • Added Expressions\AssignmentExpression::toBinaryOperationEquivalent, reducing compound assignment operators to the expanded equivalent
  • Restructured the DSL query provider (providers Providers\DSL namespace)
    • Query processor classes under Compilation\Processors\Visitors will now process query subscopes.
    • Extract fields for the query scope from Compilation\Processors\Expression\IExpressionProcessor and use the scope processor instead.
    • Compilation\Processors\Expression\ExpressionProcessor now extends from Expressions\ExpressionWalker
    • Added dedicated compiler classes under Compilation\Compilers
    • Added Compilation\IRequestCompilation/Compilation\IOperationCompilation interfaces and base implementations to be used as the state holders by the compiler classes.

3.0.0 (22/9/14)

  • Query functions are passed each value with their associated key as the second parameter while maintaining support for single parameter internal functions.

  • Proper support for non scalar keys:

    • Non scalar keys will be automatically converted to integers when foreach'd or converted to an array.
    • Added ITraversable::iterate to iterate all unaltered values and keys
    • Added ITraversable::keys select the keys and ITraversable::reindex to reindex the values by their 0-based position
    • Added ITraversable::getTrueIterator to get the iterator for all values and unaltered keys.

  • Refactored iterator structure:

    • Abstracted iterator implementations under Iterators\IIteratorScheme.
    • Now supports generators for performance improvement and reduced memory usage for >= PHP 5.5.0
    • Will fall back to iterators for <= PHP 5.5.0
      • Native iterators have also been improved with regards to performance.

  • Implemented new ITraversable source semantics:

    • A source ITraversable is the instance containing the original underlying elements.

    • Added ITraversable::isSource, returns whether the instance is the source ITraversable.

      $elements = Traversable::from(range(1, 100));
$elements->isSource(); //true
$someElements = $elements->where(function ($i) { return $i > 50; });
$someElements->isSource(); //false

    • Added ITraversable::getSource, returns the source ITraversable or itself if it is the source.

    • Removed unnecessary caching in Traversable queries.

      • Traversable can be used with nondeterministic/mutable sources and query parameters.
      • Traversable classes can longer be serialized when queried with closures.
      • Because of this combined with covariant return types, ICollection has new and improved mutable query API:
      $collection = Collection::from(range(1, 10));
$collection
        ->where(function ($i) { return $i >= 5; })
        ->apply(function (&$i) { $i *= 10; });

$collection->asArray();//[1, 2, 3, 4, 50, 60, 70, 80, 90, 100]

$collection
        /* ... */
        ->clear();
//Is equivalent to:
$collection
        ->removeRange(/* ... */);

  • Removed ITraversable::asQueryable, ITraversable::asRepository, updated interfaces annotations with covariant return types. ITraversable, ICollection, IQueryable, IRepository should all return their respective types for each query method.

  • Moved/Implemented Necessary interfaces (IOrdered*, IJoiningOn*, IJoiningTo*) with covariant return types under Interfaces namespace.

  • Removed IGroupedTraversable, use ITraversable::groupBy returning an array instead.

  • ITraversable::groupBy implicitly indexes each group by the group key.

  • Changed ITraversable::exists in favour of ITraversable::isEmpty.

  • Traversable/Collection are now extendable.

  • IJoiningOnTraversable::onEquality will not match nulls as equal as in C#.

  • Implemented optional default value for ITraversable::join/ITraversable::groupJoin:

    • The following join query:
    Traversable::from(range(1, 6))
    ->join(range(1, 20))
    ->on(function ($outer, $inner) { return $outer % 2 === 0 && $outer * 2 === $inner; })
    ->withDefault('<Odd>')
    ->to(function ($outer, $inner) { 
        return $outer . ':' . $inner;
    });

    Will produce: ['1:<Odd>', '2:4', '3:<Odd>', '4:8', '5:<Odd>', '6:12']

  • Added join(...)->apply(...) operation for ICollection/IRepository

  • Added ICollection::remove to remove all occurrences of the supplied value from the collection.

  • Made order by Direction constants interchangeable with native SORT_ASC/SORT_DESC.

  • Shorten expression getter names by removing redundant ...Expression.

  • Restructured and improved function parsing

    • New function reflection API
    • Correctly handle resolving magic constants (__DIR__...) and scopes (self::...).
    • Largely improved signature matching using all reflection data to resolve to the correct function. Functions now have to be defined on the same line with identical signatures to cause an ambiguity.
    • Fixed fully qualified namespace detection in AST parsing.
    • Upgraded to nikic/php-parser V1.0.0 with compatibility for 5.6 syntax features.
    • Updated namespace: Parsing\PHPParser to Parsing\PhpParser.

  • Improved query representations (Queries namespace)

    • New builder API (under Builders) to build query objects from expression trees. Queryable/Repository now only construct the query expression tree. These classes parse the expression tree into the equivalent query structure.
    • Query parameters are now externalized from the query object. Under a IParameterRegistry instance.
    • New common ISource interface for a another sequence inside a query: ->intersect(...)
    • Removed FunctionExpressionTree in favour of dedicated function types (under Queries\Functions namespace) for all types of functions in a query:
      • ElementProjection: ->select(function ($value, $key) { return ... })
      • ElementMutator: ->apply(function (&$value, $key) { ... })
      • ConnectorProjection: ->join(...)->to(function ($outerValue, $innerValue, $outerKey, $innerKey) { return ... })
      • ConnectorMutator: ->join(...)->apply(function (&$outerValue, $innerValue, $outerKey, $innerKey) { ... })
      • Aggregator: ->aggregate(function ($aggregate, $value) { return ... })
    • New ISourceInfo to store source information of a IQueryable.
    • Refactored Segments\OrderBy query segment by representing each function and direction as an Queries\Segments\OrderFunction class.
    • Renamed Segments\Operation::getTraversable to getValues
    • Refactored Join query segments / operations.
      • Refactored inheritance to composition, extracted join filtering to interface Queries\Common\Join\IFilter.
      • Created class containing common join options: Queries\Common\Join\Options.
    • Extracted interfaces from Request/Operation/Segment visitor classes.

  • Removed obsolete query providers (Loadable, Caching) in favour of a new integrated helper Providers\Utilities\IQueryResultCollection

  • Implemented new DSL query provider under Providers\DSL.

  • Implemented new static analysis tools and infrastructure for expression trees under the Analysis namespace.

  • New structure of query providers

    • RepositoryProvider decorates the QueryProvider
    • New configuration classes (under Providers\Configuration namespace)
    • Integrated with Caching\IQueryCache and Queries\Builders\*.

  • New expression classes: UnsetExpression, StaticFieldExpression, ConstantExpression, ClassConstantExpression

  • Refactored ArrayExpression by creating ArrayItemExpression representing each element.

  • Refactored ClosureExpression by creating ClosureUsedVariableExpression representing each used variable and supports references.

  • Updated expression simplification to use compilation + eval with an IEvaluationContext, integrated into reflection and query API.

  • Ensure PSR-2 code guidelines adherence.

  • Fixed binary operation instanceof compilation bug with literal class names.

  • Refactored caching implementation:

    • Caching\Provider renamed to Caching\CacheProvider
    • Caching\IQueryCache now acts as a wrapper to Caching\ICacheAdapter.
    • Any type of value can be cached and retrieved through the cache adapter.
    • Implemented cache namespacing API.

  • Fixed issue with ITraversable::union not reindexing keys.

  • Fixed issue with Iterators\Common\Set not detecting null values.

2.1.1 (22/5/14)

  • Fix join iterator not rewinding outer value iterator on rewind

2.1.0 (7/5/14)

  • Added Providers\Loadable\Provider. Performs queries in memory if the appropriate data has already been loaded
  • Fix orderBy[Ascending|Descending] on Queryable not converting function to an expression tree
  • Fix for internal variadic function parsing
  • Various docblock and formatting updates

2.0.0 (24/4/14)

  • Migrated function / variable and constant names to PSR-2 standard.