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Merge pull request #5530 from dhensby/pulls/empty-from-clause

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FIX Empty from clause when joining to same base table
This commit is contained in:
Loz Calver 2016-05-12 15:56:57 +01:00
commit be496c4e54
10 changed files with 160 additions and 52 deletions
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4
model/DataQuery.php
View File

@ -657,9 +657,11 @@ class DataQuery {
$componentBaseClass = ClassInfo::baseDataClass($componentClass);
$this->query->addInnerJoin($relationTable,
"\"$relationTable\".\"$parentField\" = \"$parentBaseClass\".\"ID\"");
if (!$this->query->isJoinedTo($componentBaseClass)) {
$this->query->addLeftJoin($componentBaseClass,
"\"$relationTable\".\"$componentField\" = \"$componentBaseClass\".\"ID\"");
if(ClassInfo::hasTable($componentClass)) {
}
if(ClassInfo::hasTable($componentClass) && !$this->query->isJoinedTo($componentClass)) {
$this->query->addLeftJoin($componentClass,
"\"$relationTable\".\"$componentField\" = \"$componentClass\".\"ID\"");
}

2
tests/model/DataListTest.php
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@ -20,6 +20,8 @@ class DataListTest extends SapphireTest {
'DataObjectTest_Player',
'DataObjectTest_TeamComment',
'DataObjectTest\NamespacedClass',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
);
public function testFilterDataObjectByCreatedDate() {

4
tests/model/DataObjectLazyLoadingTest.php
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@ -23,7 +23,9 @@ class DataObjectLazyLoadingTest extends SapphireTest {
'DataObjectTest_Player',
'DataObjectTest_TeamComment',
'VersionedTest_DataObject',
'VersionedTest_Subclass'
'VersionedTest_Subclass',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
);
public function testQueriedColumnsID() {

4
tests/model/DataObjectTest.php
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@ -17,7 +17,9 @@ class DataObjectTest extends SapphireTest {
'DataObjectTest_ValidatedObject',
'DataObjectTest_Player',
'DataObjectTest_TeamComment',
'DataObjectTest_ExtendedTeamComment'
'DataObjectTest_ExtendedTeamComment',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
);
public function testDb() {

10
tests/model/DataObjectTest.yml
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@ -45,3 +45,13 @@ DataObjectTest_TeamComment:
Name: Phil
Comment: Phil is a unique guy, and comments on team2
Team: =>DataObjectTest_Team.team2
ManyManyListTest_Product:
producta:
Title: 'Product A'
productb:
Title: 'Product B'
RelatedProducts: =>ManyManyListTest_Product.producta
ManyManyListTest_Category:
categorya:
Title: 'Category A'
Products: =>ManyManyListTest_Product.producta,=>ManyManyListTest_Product.productb

41
tests/model/DataQueryTest.php
View File

@ -11,6 +11,7 @@ class DataQueryTest extends SapphireTest {
'DataQueryTest_D',
'DataQueryTest_E',
'DataQueryTest_F',
'DataQueryTest_G',
);
@ -63,11 +64,39 @@ class DataQueryTest extends SapphireTest {
}
public function testApplyReplationDeepInheretence() {
//test has_one relation
$newDQ = new DataQuery('DataQueryTest_E');
//apply a relation to a relation from an ancestor class
$newDQ->applyRelation('TestA');
$this->assertTrue($newDQ->query()->isJoinedTo('DataQueryTest_C'));
$this->assertContains('"DataQueryTest_A"."ID" = "DataQueryTest_C"."TestAID"', $newDQ->sql());
//test many_many relation
//test many_many with separate inheritance
$newDQ = new DataQuery('DataQueryTest_C');
$baseDBTable = ClassInfo::baseDataClass('DataQueryTest_C');
$newDQ->applyRelation('ManyTestAs');
//check we are "joined" to the DataObject's table (there is no distinction between FROM or JOIN clauses)
$this->assertTrue($newDQ->query()->isJoinedTo($baseDBTable));
//check we are explicitly selecting "FROM" the DO's table
$this->assertContains("FROM \"$baseDBTable\"", $newDQ->sql());
//test many_many with shared inheritance
$newDQ = new DataQuery('DataQueryTest_E');
$baseDBTable = ClassInfo::baseDataClass('DataQueryTest_E');
//check we are "joined" to the DataObject's table (there is no distinction between FROM or JOIN clauses)
$this->assertTrue($newDQ->query()->isJoinedTo($baseDBTable));
//check we are explicitly selecting "FROM" the DO's table
$this->assertContains("FROM \"$baseDBTable\"", $newDQ->sql(), 'The FROM clause is missing from the query');
$newDQ->applyRelation('ManyTestGs');
//confirm we are still joined to the base table
$this->assertTrue($newDQ->query()->isJoinedTo($baseDBTable));
//double check it is the "FROM" clause
$this->assertContains("FROM \"$baseDBTable\"", $newDQ->sql(), 'The FROM clause has been removed from the query');
//another (potentially less crude check) for checking "FROM" clause
$fromTables = $newDQ->query()->getFrom();
$this->assertEquals('"' . $baseDBTable . '"', $fromTables[$baseDBTable]);
}
public function testRelationReturn() {
@ -306,6 +335,10 @@ class DataQueryTest_E extends DataQueryTest_C implements TestOnly {
'SortOrder' => 'Int'
);
private static $many_many = array(
'ManyTestGs' => 'DataQueryTest_G',
);
private static $default_sort = '"DataQueryTest_E"."SortOrder" ASC';
}
@ -317,3 +350,11 @@ class DataQueryTest_F extends DataObject implements TestOnly {
'MyString' => 'Text'
);
}
class DataQueryTest_G extends DataQueryTest_C implements TestOnly {
private static $belongs_many_many = array(
'ManyTestEs' => 'DataQueryTest_E',
);
}

2
tests/model/HasManyListTest.php
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@ -9,6 +9,8 @@ class HasManyListTest extends SapphireTest {
'DataObjectTest_Team',
'DataObjectTest_SubTeam',
'DataObjectTest_Player',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
);
public function testRelationshipEmptyOnNewRecords() {

43
tests/model/ManyManyListTest.php
View File

@ -15,6 +15,8 @@ class ManyManyListTest extends SapphireTest {
'DataObjectTest_Company',
'DataObjectTest_TeamComment',
'ManyManyListTest_ExtraFields',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
);
@ -267,6 +269,17 @@ class ManyManyListTest extends SapphireTest {
$this->assertEquals($expected, $list->sql());
}
public function testFilteringOnPreviouslyJoinedTable() {
/** @var ManyManyListTest_Category $category */
$category = $this->objFromFixture('ManyManyListTest_Category', 'categorya');
/** @var ManyManyList $productsRelatedToProductB */
$productsRelatedToProductB = $category->Products()->filter('RelatedProducts.Title', 'Product B');
$this->assertEquals(1, $productsRelatedToProductB->count());
}
}
@ -291,3 +304,33 @@ class ManyManyListTest_ExtraFields extends DataObject implements TestOnly {
)
);
}
class ManyManyListTest_Product extends DataObject implements TestOnly {
private static $db = array(
'Title' => 'Varchar'
);
private static $many_many = array(
'RelatedProducts' => 'ManyManyListTest_Product'
);
private static $belongs_many_many = array(
'RelatedTo' => 'ManyManyListTest_Product',
'Categories' => 'ManyManyListTest_Category'
);
}
class ManyManyListTest_Category extends DataObject implements TestOnly {
private static $db = array(
'Title' => 'Varchar'
);
private static $many_many = array(
'Products' => 'ManyManyListTest_Product'
);
}

4
tests/model/MapTest.php
View File

@ -18,7 +18,9 @@ class SS_MapTest extends SapphireTest {
'DataObjectTest_FieldlessSubTable',
'DataObjectTest_ValidatedObject',
'DataObjectTest_Player',
'DataObjectTest_TeamComment'
'DataObjectTest_TeamComment',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
);

4
tests/model/PaginatedListTest.php
View File

@ -12,7 +12,9 @@ class PaginatedListTest extends SapphireTest {
protected $extraDataObjects = array(
'DataObjectTest_Team',
'DataObjectTest_SubTeam',
'DataObjectTest_Player'
'DataObjectTest_Player',
'ManyManyListTest_Product',
'ManyManyListTest_Category',
);
public function testPageStart() {