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mirror of synced 2024-12-14 07:06:04 +03:00
This commit is contained in:
zYne 2007-08-01 22:53:33 +00:00
parent c643385fce
commit ebfc0971c6

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@ -44,6 +44,8 @@ class Doctrine_Search_Query
protected $_table = array();
protected $_sql = '';
protected $_condition;
/**
* @param octrine_Table $_table the index table
*/
@ -56,6 +58,9 @@ class Doctrine_Search_Query
$this->_table = $table;
$this->_query = new Doctrine_Query();
$foreignId = current(array_diff($this->_table->getColumnNames(), array('keyword', 'field', 'position')));
$this->_condition = $foreignId . ' IN (SELECT ' . $foreignId . ' FROM ' . $this->_table->getTableName() . ' WHERE ';
}
/**
* getQuery
@ -71,7 +76,7 @@ class Doctrine_Search_Query
{
$text = strtolower(trim($text));
$foreignId = current(array_diff($this->_table->getColumnNames(), array('keyword', 'field', 'position')));
$weighted = false;
if (strpos($text, '^') === false) {
@ -93,93 +98,91 @@ class Doctrine_Search_Query
$this->_sql = $select . ' ' . $from . ' ' . $where . ' ' . $groupby . ' ' . $orderby;
}
public function tokenizeClause($clause)
public function parseClause($originalClause, $addCondition = false)
{
$clause = strtolower(trim($clause));
$clause = Doctrine_Tokenizer::bracketTrim($clause);
$clause = Doctrine_Tokenizer::bracketTrim($originalClause);
$brackets = false;
$terms = Doctrine_Tokenizer::sqlExplode($clause, ' ', '(', ')');
$operator = self::OPERATOR_AND;
$ret = array();
$pending = false;
$i = 0;
$prev = false;
foreach ($terms as $k => $term) {
$term = trim($term);
if ($term === 'and') {
$operator = self::OPERATOR_AND;
} elseif ($term === 'or') {
$operator = self::OPERATOR_OR;
} else {
if ($operator === self::OPERATOR_OR) {
$ret[$i] = $term;
$i++;
} else {
if ($k === 0) {
$ret[$i] = $term;
$i++;
} else {
if ( ! is_array($ret[($i - 1)])) {
$ret[($i - 1)] = array_merge(array($ret[($i - 1)]), array($term));
} else {
$ret[($i - 1)][] = $term;
}
}
}
$operator = self::OPERATOR_AND;
}
if ($clause !== $originalClause) {
$brackets = true;
}
return $ret;
}
public function parseClause($clause)
{
$clause = Doctrine_Tokenizer::bracketTrim($clause);
$foreignId = current(array_diff($this->_table->getColumnNames(), array('keyword', 'field', 'position')));
$terms = $this->tokenizeClause($clause);
$terms = Doctrine_Tokenizer::sqlExplode($clause, ' OR ', '(', ')');
$ret = array();
if (count($terms) > 1) {
$ret = array();
foreach ($terms as $term) {
if (is_array($term)) {
$parsed = $this->parseTerms($term);
$leavesOnly = true;
foreach ($terms as $k => $term) {
if ($this->isExpression($term)) {
$ret[$k] = $this->parseClause($term);
$leavesOnly = false;
} else {
if (strpos($term, '(') === false) {
if (substr($term, 0, 1) === '-') {
$operator = 'NOT IN';
$term = substr($term, 1);
} else {
$operator = 'IN';
}
$parsed = $foreignId . ' ' . $operator . ' (SELECT ' . $foreignId . ' FROM ' . $this->_table->getTableName() . ' WHERE ' . $this->parseClause($term) . ')';
} else {
$parsed = $this->parseClause($term);
}
}
if (strlen($parsed) > 20) {
$ret[] = '(' . $parsed . ')';
} else {
$ret[] = $parsed;
$ret[$k] = $this->parseTerm($term);
}
}
$r = implode(' AND ', $ret);
} else {
$terms = (is_array($terms[0])) ? $terms[0] : array($terms[0]);
$return = implode(' OR ', $ret);
return $this->parseTerms($terms);
if ($leavesOnly) {
$return = $this->_condition . $return;
}
$brackets = false;
} else {
$terms = Doctrine_Tokenizer::sqlExplode($clause, ' ', '(', ')');
foreach ($terms as $k => $term) {
$term = trim($term);
if ($term === 'AND') {
continue;
}
if ($this->isExpression($term)) {
$ret[$k] = $this->parseClause($term, true);
} else {
$ret[$k] = $this->_condition . $this->parseTerm($term);
}
$ret[$k] .= ')';
}
$return = implode(' AND ', $ret);
}
if ($brackets) {
return '(' . $return . ')';
} else {
return $return;
}
/**
if (strpos($term, '(') === false) {
if (substr($term, 0, 1) === '-') {
$operator = 'NOT IN';
$term = substr($term, 1);
} else {
$operator = 'IN';
}
$parsed = $foreignId . ' ' . $operator . ' (SELECT ' . $foreignId . ' FROM ' . $this->_table->getTableName() . ' WHERE ' . $this->parseClause($term) . ')';
} else {
$parsed = $this->parseClause($term);
}
*/
}
public function isExpression($term)
{
if (strpos($term, '(') !== false) {
return true;
} else {
$terms = Doctrine_Tokenizer::quoteExplode($term);
return (count($terms) > 1);
}
return $r;
}
public function parseTerms(array $terms)
{
@ -188,13 +191,13 @@ class Doctrine_Search_Query
if (count($terms) > 1) {
$ret = array();
foreach ($terms as $term) {
$ret[] = $this->parseClause($term);
}
$parsed = implode(' OR ', $ret);
if (strpos($term, '(') === false) {
$term = $this->parseClause($term);
if (strpos($parsed, '(') === false) {
$parsed = $foreignId . ' IN (SELECT ' . $foreignId . ' FROM ' . $this->_table->getTableName() . ' WHERE ' . $parsed . ')';
$ret[] = $foreignId . ' IN (SELECT ' . $foreignId . ' FROM ' . $this->_table->getTableName() . ' WHERE ' . $term . ')';
}
}
$parsed = implode(' AND ', $ret);
return $parsed;
} else {
@ -202,13 +205,16 @@ class Doctrine_Search_Query
return $ret[0];
}
}
public function parseExpression($expr)
{
$expr = Doctrine_Tokenizer::bracketTrim($expr);
}
public function parseTerm($term)
{
$negation = false;
if (strpos($term, "'") === false) {
$where = 'keyword = ?';
$params = array($term);
@ -225,7 +231,7 @@ class Doctrine_Search_Query
$where .= ' AND (position + ' . $k . ') = (SELECT position FROM ' . $this->_table->getTableName() . ' WHERE keyword = ?)';
}
}
return array($where, $params);
return $where;
}
public function getSql()