public function visitApply(Operations\Apply $operation)
{
$function = $operation->getMutatorFunction();
$parameters = $function->getParameters();
// Ensure that calls to apply take the row array by reference
// because the function will not actually modify the original
// array if running in PHP.
if (!$parameters->hasValue() || !$parameters->getValue()->isPassedByReference()) {
throw new PinqDemoSqlException('Call to ->apply(function): must take the first parameter by reference.');
}
$setters = [];
foreach ($function->getBodyExpressionsUntilReturn() as $expression) {
// Ensure matches: $row['column'] = ...
if (!$expression instanceof O\AssignmentExpression || !$expression->getAssignTo() instanceof O\IndexExpression || !$expression->getAssignTo()->getIndex() instanceof O\ValueExpression || !$expression->getAssignTo()->getValue()->equals($parameters->getValue()->asVariable())) {
throw new PinqDemoSqlException("Call to ->apply(...) must only contain statements in the form \$row['column'] = value, invalid statement found: {$expression->compileDebug()}");
}
// Convert any compound assignment operators into expanded form:
// x += y becomes x = x + y
$expression = $expression->toBinaryOperationEquivalent();
$column = $expression->getAssignTo()->getIndex()->getValue();
$setterSql = $this->compilation->expressionCompiler->compile($expression->getAssignmentValue(), $function);
$setters[$column] = $setterSql;
}
$this->compileUpdate($setters);
}
public function visitApply(Operations\Apply $operation)
{
$this->collection->apply($this->parameters[$operation->getMutatorFunction()->getCallableId()]);
}
public function visitApply(Operations\Apply $operation)
{
$this->compilation->append('Update the values according to the function: ');
$this->compilation->appendFunction($operation->getMutatorFunction());
}
public function visitApply(Operations\Apply $operation)
{
return parent::visitApply($operation->update($this->expressionProcessor->processFunction($operation->getMutatorFunction())));
}