/**
* Internally called method to assist with calling Qcubed Query for this class
* on load methods.
* @param QQueryBuilder &$objQueryBuilder the QueryBuilder object that will be created
* @param QQCondition $objConditions any conditions on the query, itself
* @param QQClause[] $objOptionalClausees additional optional QQClause object or array of QQClause objects for this query
* @param mixed[] $mixParameterArray a array of name-value pairs to perform PrepareStatement with (sending in null will skip the PrepareStatement step)
* @param boolean $blnCountOnly only select a rowcount
* @return string the query statement
*/
protected static function BuildQueryStatement(&$objQueryBuilder, QQCondition $objConditions, $objOptionalClauses, $mixParameterArray, $blnCountOnly)
{
// Get the Database Object for this Class
$objDatabase = NarroContextInfo::GetDatabase();
// Create/Build out the QueryBuilder object with NarroContextInfo-specific SELET and FROM fields
$objQueryBuilder = new QQueryBuilder($objDatabase, 'narro_context_info');
$blnAddAllFieldsToSelect = true;
if ($objDatabase->OnlyFullGroupBy) {
// see if we have any group by or aggregation clauses, if yes, don't add the fields to select clause
if ($objOptionalClauses instanceof QQClause) {
if ($objOptionalClauses instanceof QQAggregationClause || $objOptionalClauses instanceof QQGroupBy) {
$blnAddAllFieldsToSelect = false;
}
} else {
if (is_array($objOptionalClauses)) {
foreach ($objOptionalClauses as $objClause) {
if ($objClause instanceof QQAggregationClause || $objClause instanceof QQGroupBy) {
$blnAddAllFieldsToSelect = false;
break;
}
}
}
}
}
if ($blnAddAllFieldsToSelect) {
NarroContextInfo::GetSelectFields($objQueryBuilder, null, QQuery::extractSelectClause($objOptionalClauses));
}
$objQueryBuilder->AddFromItem('narro_context_info');
// Set "CountOnly" option (if applicable)
if ($blnCountOnly) {
$objQueryBuilder->SetCountOnlyFlag();
}
// Apply Any Conditions
if ($objConditions) {
try {
$objConditions->UpdateQueryBuilder($objQueryBuilder);
} catch (QCallerException $objExc) {
$objExc->IncrementOffset();
throw $objExc;
}
}
// Iterate through all the Optional Clauses (if any) and perform accordingly
if ($objOptionalClauses) {
if ($objOptionalClauses instanceof QQClause) {
$objOptionalClauses->UpdateQueryBuilder($objQueryBuilder);
} else {
if (is_array($objOptionalClauses)) {
foreach ($objOptionalClauses as $objClause) {
$objClause->UpdateQueryBuilder($objQueryBuilder);
}
} else {
throw new QCallerException('Optional Clauses must be a QQClause object or an array of QQClause objects');
}
}
}
// Get the SQL Statement
$strQuery = $objQueryBuilder->GetStatement();
// Prepare the Statement with the Query Parameters (if applicable)
if ($mixParameterArray) {
if (is_array($mixParameterArray)) {
if (count($mixParameterArray)) {
$strQuery = $objDatabase->PrepareStatement($strQuery, $mixParameterArray);
}
// Ensure that there are no other Unresolved Named Parameters
if (strpos($strQuery, chr(QQNamedValue::DelimiterCode) . '{') !== false) {
throw new QCallerException('Unresolved named parameters in the query');
}
} else {
throw new QCallerException('Parameter Array must be an array of name-value parameter pairs');
}
}
// Return the Objects
return $strQuery;
}