/**
* @see getTables()
*
* @param MingoTable $table
* @return array
*/
protected function _getTables(MingoTable $table = null)
{
$query = '';
$val_list = array();
if (empty($table)) {
$query = 'SELECT tablename FROM pg_tables';
} else {
$query = 'SELECT tablename FROM pg_tables WHERE tablename = ?';
$val_list = array($table->getName());
}
//if/else
$ret_list = $this->_getQuery($query, $val_list);
return $ret_list;
}
/**
* get the actual lucene instance for the $table
*
* @param string $table
* @return Zend_Search_Lucene_Proxy
*/
protected function getLucene(MingoTable $table)
{
$table_name = $table->getName();
// canary...
if (isset($this->con_db[$table_name])) {
return $this->con_db[$table_name];
}
//if
$ret_instance = null;
$path = array();
$path[] = $this->getField('path');
$path[] = $table_name;
$index_path = join(DIRECTORY_SEPARATOR, $path);
try {
// install the index if it doesn't already exist...
if (is_dir($index_path)) {
$ret_instance = Zend_Search_Lucene::open($index_path);
} else {
$ret_instance = Zend_Search_Lucene::create($index_path);
}
//if/else
} catch (Zend_Search_Lucene_Exception $e) {
clearstatcache();
usleep(10);
$ret_instance = Zend_Search_Lucene::create($index_path);
}
//try/catch
if ($ret_instance !== null) {
// set some values...
/*
Matlin on #phpc turned me onto MaxMergeDocs, MergeFactor, MaxBufferedDocs as probably
the cause for the weird http 500 timeout issues I have when adding to the index
*/
$ret_instance->setMaxMergeDocs((int) $this->max_merged_docs);
$ret_instance->setMaxBufferedDocs((int) $this->max_buffered_docs);
$ret_instance->setMergeFactor((int) $this->merge_factor);
// treat numbers like words, don't worry about case
// see: http://framework.zend.com/manual/en/zend.search.lucene.charset.html 38.6.2....
Zend_Search_Lucene_Analysis_Analyzer::setDefault(new Zend_Search_Lucene_Analysis_Analyzer_Common_Utf8Num_CaseInsensitive());
// default to and, instead of or, when there is no operator...
// http://framework.zend.com/manual/en/zend.search.lucene.query-language.html#zend.search.lucene.query-language.boolean.no-operator
Zend_Search_Lucene_Search_QueryParser::setDefaultOperator(Zend_Search_Lucene_Search_QueryParser::B_AND);
} else {
throw new UnexpectedValueException('could not create Lucene connection');
}
//if/else
$this->con_db[$table_name] = $ret_instance;
return $ret_instance;
}
/**
* get the index table name
*
* @param \MingoTable $table
* @param \MingoIndex $index
* @return string the index table name
*/
protected function getIndexTableName(MingoTable $table, MingoIndex $index)
{
$table_name = sprintf('%s_%s', $table->getName(), $index->getName());
return $table_name;
}
