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phorge/src/applications/search/execute/mysql/PhabricatorSearchMySQLExecutor.php
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PhabricatorSearchMySQLExecutor.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class PhabricatorSearchMySQLExecutor extends PhabricatorSearchExecutor {
/**
* Rebuild the PhabricatorSearchAbstractDocument that was used to index
* an object out of the index itself. This is primarily useful for debugging,
* as it allows you to inspect the search index representation of a
* document.
*
* @param phid PHID of a document which exists in the search index.
* @return null|PhabricatorSearchAbstractDocument Abstract document object
* which corresponds to the original abstract document used to
* build the document index.
*/
public function reconstructDocument($phid) {
$dao_doc = new PhabricatorSearchDocument();
$dao_field = new PhabricatorSearchDocumentField();
$dao_relationship = new PhabricatorSearchDocumentRelationship();
$t_doc = $dao_doc->getTableName();
$t_field = $dao_field->getTableName();
$t_relationship = $dao_relationship->getTableName();
$doc = queryfx_one(
$dao_doc->establishConnection('r'),
'SELECT * FROM %T WHERE phid = %s',
$t_doc,
$phid);
if (!$doc) {
return null;
}
$fields = queryfx_all(
$dao_field->establishConnection('r'),
'SELECT * FROM %T WHERE phid = %s',
$t_field,
$phid);
$relationships = queryfx_all(
$dao_relationship->establishConnection('r'),
'SELECT * FROM %T WHERE phid = %s',
$t_relationship,
$phid);
$adoc = id(new PhabricatorSearchAbstractDocument())
->setPHID($phid)
->setDocumentType($doc['documentType'])
->setDocumentTitle($doc['documentTitle'])
->setDocumentCreated($doc['documentCreated'])
->setDocumentModified($doc['documentModified']);
foreach ($fields as $field) {
$adoc->addField(
$field['field'],
$field['corpus'],
$field['auxPHID']);
}
foreach ($relationships as $relationship) {
$adoc->addRelationship(
$relationship['relation'],
$relationship['relatedPHID'],
$relationship['relatedType'],
$relationship['relatedTime']);
}
return $adoc;
}
public function executeSearch(PhabricatorSearchQuery $query) {
$where = array();
$join = array();
$order = 'ORDER BY documentCreated DESC';
$dao_doc = new PhabricatorSearchDocument();
$dao_field = new PhabricatorSearchDocumentField();
$t_doc = $dao_doc->getTableName();
$t_field = $dao_field->getTableName();
$conn_r = $dao_doc->establishConnection('r');
$q = $query->getQuery();
if (strlen($q)) {
$join[] = qsprintf(
$conn_r,
"{$t_field} field ON field.phid = document.phid");
$where[] = qsprintf(
$conn_r,
'MATCH(corpus) AGAINST (%s)',
$q);
// if ($query->getParameter('order') == AdjutantQuery::ORDER_RELEVANCE) {
$order = qsprintf(
$conn_r,
'ORDER BY MAX(MATCH(corpus) AGAINST (%s)) DESC',
$q);
// }
$field = $query->getParameter('field');
if ($field/* && $field != AdjutantQuery::FIELD_ALL*/) {
$where[] = qsprintf(
$conn_r,
'field.field = %s',
$field);
}
}
if ($query->getParameter('type')) {
if (strlen($q)) {
// TODO: verify that this column actually does something useful in query
// plans once we have nontrivial amounts of data.
$where[] = qsprintf(
$conn_r,
'field.phidType = %s',
$query->getParameter('type'));
}
$where[] = qsprintf(
$conn_r,
'document.documentType = %s',
$query->getParameter('type'));
}
$join[] = $this->joinRelationship(
$conn_r,
$query,
'author',
PhabricatorSearchRelationship::RELATIONSHIP_AUTHOR);
$join[] = $this->joinRelationship(
$conn_r,
$query,
'open',
PhabricatorSearchRelationship::RELATIONSHIP_OPEN);
$join[] = $this->joinRelationship(
$conn_r,
$query,
'owner',
PhabricatorSearchRelationship::RELATIONSHIP_OWNER);
$join[] = $this->joinRelationship(
$conn_r,
$query,
'project',
PhabricatorSearchRelationship::RELATIONSHIP_PROJECT);
/*
$join[] = $this->joinRelationship(
$conn_r,
$query,
'reviewer',
AdjutantRelationship::RELATIONSHIP_REVIEWER);
$join[] = $this->joinRelationship(
$conn_r,
$query,
'subscriber',
AdjutantRelationship::RELATIONSHIP_SUBSCRIBER);
$join[] = $this->joinRelationship(
$conn_r,
$query,
'repository',
AdjutantRelationship::RELATIONSHIP_REPOSITORY);
*/
$join = array_filter($join);
foreach ($join as $key => $clause) {
$join[$key] = ' JOIN '.$clause;
}
$join = implode(' ', $join);
if ($where) {
$where = 'WHERE '.implode(' AND ', $where);
} else {
$where = '';
}
$hits = queryfx_all(
$conn_r,
'SELECT
document.phid,
document.documentType,
document.documentTitle,
document.documentCreated
FROM %T document
%Q
%Q
GROUP BY document.phid
%Q
LIMIT 50',
$t_doc,
$join,
$where,
$order);
return $hits;
}
protected function joinRelationship($conn, $query, $field, $type) {
$phids = $query->getParameter($field, array());
if (!$phids) {
return null;
}
$is_existence = false;
switch ($type) {
case PhabricatorSearchRelationship::RELATIONSHIP_OPEN:
$is_existence = true;
break;
}
$sql = qsprintf(
$conn,
'%T AS %C ON %C.phid = document.phid AND %C.relation = %s',
id(new PhabricatorSearchDocumentRelationship())->getTableName(),
$field,
$field,
$field,
$type);
if (!$is_existence) {
$sql .= qsprintf(
$conn,
' AND %C.relatedPHID in (%Ls)',
$field,
$phids);
}
return $sql;
}
}

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