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Fixed issue with SimpleSelectExpression containing Literals. This issue is related to a previously fixed ticket DDC-1079.

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This commit is contained in:
Guilherme Blanco 2011-10-28 12:56:14 -02:00
parent 7841ccb7c0
commit 1f06e9fca5
2 changed files with 88 additions and 74 deletions
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105
lib/Doctrine/ORM/Query/SqlWalker.php
View File

@ -1292,83 +1292,80 @@ class SqlWalker implements TreeWalker
*/
public function walkSimpleSelectExpression($simpleSelectExpression)
{
$sql = '';
$expr = $simpleSelectExpression->expression;
$sql = ' ';
if ($expr instanceof AST\PathExpression) {
switch (true) {
case ($expr instanceof AST\PathExpression):
$sql .= $this->walkPathExpression($expr);
} else if ($expr instanceof AST\AggregateExpression) {
if ( ! $simpleSelectExpression->fieldIdentificationVariable) {
$alias = $this->_scalarResultCounter++;
} else {
$alias = $simpleSelectExpression->fieldIdentificationVariable;
}
break;
case ($expr instanceof AST\AggregateExpression):
$alias = $simpleSelectExpression->fieldIdentificationVariable ?: $this->_scalarResultCounter++;
$sql .= $this->walkAggregateExpression($expr) . ' AS dctrn__' . $alias;
} else if ($expr instanceof AST\Subselect) {
if ( ! $simpleSelectExpression->fieldIdentificationVariable) {
$alias = $this->_scalarResultCounter++;
} else {
$alias = $simpleSelectExpression->fieldIdentificationVariable;
}
break;
case ($expr instanceof AST\Subselect):
$alias = $simpleSelectExpression->fieldIdentificationVariable ?: $this->_scalarResultCounter++;
$columnAlias = 'sclr' . $this->_aliasCounter++;
$this->_scalarResultAliasMap[$alias] = $columnAlias;
$sql .= '(' . $this->walkSubselect($expr) . ') AS ' . $columnAlias;
$this->_scalarResultAliasMap[$alias] = $columnAlias;
} else if ($expr instanceof AST\Functions\FunctionNode) {
if ( ! $simpleSelectExpression->fieldIdentificationVariable) {
$alias = $this->_scalarResultCounter++;
} else {
$alias = $simpleSelectExpression->fieldIdentificationVariable;
}
break;
case ($expr instanceof AST\Functions\FunctionNode):
$alias = $simpleSelectExpression->fieldIdentificationVariable ?: $this->_scalarResultCounter++;
$columnAlias = 'sclr' . $this->_aliasCounter++;
$this->_scalarResultAliasMap[$alias] = $columnAlias;
$sql .= $this->walkFunction($expr) . ' AS ' . $columnAlias;
$this->_scalarResultAliasMap[$alias] = $columnAlias;
} else if (
$expr instanceof AST\SimpleArithmeticExpression ||
$expr instanceof AST\ArithmeticTerm ||
$expr instanceof AST\ArithmeticFactor ||
$expr instanceof AST\ArithmeticPrimary
) {
if ( ! $simpleSelectExpression->fieldIdentificationVariable) {
$alias = $this->_scalarResultCounter++;
} else {
$alias = $simpleSelectExpression->fieldIdentificationVariable;
}
break;
case ($expr instanceof AST\Literal):
$sql .= $this->walkLiteral($expr);
break;
case ($expr instanceof AST\SimpleArithmeticExpression):
case ($expr instanceof AST\ArithmeticTerm):
case ($expr instanceof AST\ArithmeticFactor):
case ($expr instanceof AST\ArithmeticPrimary):
$alias = $simpleSelectExpression->fieldIdentificationVariable ?: $this->_scalarResultCounter++;
$columnAlias = 'sclr' . $this->_aliasCounter++;
$this->_scalarResultAliasMap[$alias] = $columnAlias;
$sql .= $this->walkSimpleArithmeticExpression($expr) . ' AS ' . $columnAlias;
$this->_scalarResultAliasMap[$alias] = $columnAlias;
} else if (
$expr instanceof AST\NullIfExpression ||
$expr instanceof AST\CoalesceExpression ||
$expr instanceof AST\GeneralCaseExpression ||
$expr instanceof AST\SimpleCaseExpression
) {
if ( ! $simpleSelectExpression->fieldIdentificationVariable) {
$alias = $this->_scalarResultCounter++;
} else {
$alias = $simpleSelectExpression->fieldIdentificationVariable;
}
break;
case ($expr instanceof AST\NullIfExpression):
case ($expr instanceof AST\CoalesceExpression):
case ($expr instanceof AST\GeneralCaseExpression):
case ($expr instanceof AST\SimpleCaseExpression):
$alias = $simpleSelectExpression->fieldIdentificationVariable ?: $this->_scalarResultCounter++;
$columnAlias = 'sclr' . $this->_aliasCounter++;
$sql .= $this->walkCaseExpression($expr) . ' AS ' . $columnAlias;
$this->_scalarResultAliasMap[$alias] = $columnAlias;
} else {
// IdentificationVariable
$sql .= $this->walkCaseExpression($expr) . ' AS ' . $columnAlias;
break;
default: // IdentificationVariable
$class = $this->_queryComponents[$expr]['metadata'];
$tableAlias = $this->getSQLTableAlias($class->getTableName(), $expr);
$first = true;
$sqlParts = array();
foreach ($class->identifier as $identifier) {
if ($first) $first = false; else $sql .= ', ';
$sql .= $tableAlias . '.' . $class->getQuotedColumnName($identifier, $this->_platform);
}
$sqlParts[] = $tableAlias . '.' . $class->getQuotedColumnName($identifier, $this->_platform);
}
return ' ' . $sql;
$sql .= implode(', ', $sqlParts);
break;
}
return $sql;
}
/**

17
tests/Doctrine/Tests/ORM/Query/SelectSqlGenerationTest.php
View File

@ -604,7 +604,24 @@ class SelectSqlGenerationTest extends \Doctrine\Tests\OrmTestCase
. ' WHERE EXISTS ('
. 'SELECT c1_.id FROM cms_employees c1_ WHERE c1_.id = c0_.spouse_id'
. ')'
);
}
public function testExistsExpressionWithSimpleSelectReturningScalar()
{
$this->assertSqlGeneration(
// DQL
// The result of this query consists of all employees whose spouses are also employees.
'SELECT DISTINCT emp FROM Doctrine\Tests\Models\CMS\CmsEmployee emp
WHERE EXISTS (
SELECT 1
FROM Doctrine\Tests\Models\CMS\CmsEmployee spouseEmp
WHERE spouseEmp = emp.spouse)',
// SQL
'SELECT DISTINCT c0_.id AS id0, c0_.name AS name1 FROM cms_employees c0_'
. ' WHERE EXISTS ('
. 'SELECT 1 FROM cms_employees c1_ WHERE c1_.id = c0_.spouse_id'
. ')'
);
}