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Add "title:..." support to the Ferret engine

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Summary:
Ref T12819. Adds (hacky, hard-coded) field support (for now, only for "title").

I've written this so `title:quick ferret` is the same as `title:quick title:ferret`. I think this is what users probably mean.

You can do the other thing as `ferret title:quick`, or `title:quick all:ferret`.

Test Plan: Searched for `title:x`, `title:"x"`, `title:~"x"`, etc. Searched for "garbage:y", got an exception since that's not a recognized function. Searched for `title:x y`, saw both do title search.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T12819

Differential Revision: https://secure.phabricator.com/D18503
This commit is contained in:
epriestley 2017-08-30 10:09:20 -07:00
parent 048aa36c23
commit 3b43a70773
1 changed files with 73 additions and 10 deletions
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83
src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php
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@ -29,6 +29,7 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
private $ngrams = array();
private $ferretEngine;
private $ferretTokens;
private $ferretTables;
protected function getPageCursors(array $page) {
return array(
@ -1401,6 +1402,43 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
$this->ferretEngine = $engine;
$this->ferretTokens = $fulltext_tokens;
$function_map = array(
'all' => PhabricatorSearchDocumentFieldType::FIELD_ALL,
'title' => PhabricatorSearchDocumentFieldType::FIELD_TITLE,
);
$current_function = 'all';
$table_map = array();
$idx = 1;
foreach ($this->ferretTokens as $fulltext_token) {
$raw_token = $fulltext_token->getToken();
$function = $raw_token->getFunction();
if ($function === null) {
$function = $current_function;
}
if (!isset($function_map[$function])) {
throw new PhutilSearchQueryCompilerSyntaxException(
pht(
'Unknown search function "%s".',
$function));
}
if (!isset($table_map[$function])) {
$alias = 'ftfield'.$idx++;
$table_map[$function] = array(
'alias' => $alias,
'key' => $function_map[$function],
);
}
$current_function = $function;
}
$this->ferretTables = $table_map;
return $this;
}
@ -1525,10 +1563,19 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
$ngram);
}
$joins[] = qsprintf(
$conn,
'JOIN %T ftfield ON ftdoc.id = ftfield.documentID',
$field_table->getTableName());
foreach ($this->ferretTables as $table) {
$alias = $table['alias'];
$joins[] = qsprintf(
$conn,
'JOIN %T %T ON ftdoc.id = %T.documentID
AND %T.fieldKey = %s',
$field_table->getTableName(),
$alias,
$alias,
$alias,
$table['key']);
}
return $joins;
}
@ -1540,15 +1587,25 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
$ngram_engine = new PhabricatorNgramEngine();
$stemmer = new PhutilSearchStemmer();
$table_map = $this->ferretTables;
$op_sub = PhutilSearchQueryCompiler::OPERATOR_SUBSTRING;
$op_not = PhutilSearchQueryCompiler::OPERATOR_NOT;
$where = array();
$current_function = 'all';
foreach ($this->ferretTokens as $fulltext_token) {
$raw_token = $fulltext_token->getToken();
$value = $raw_token->getValue();
$function = $raw_token->getFunction();
if ($function === null) {
$function = $current_function;
}
$current_function = $function;
$table_alias = $table_map[$function]['alias'];
$is_not = ($raw_token->getOperator() == $op_not);
if ($raw_token->getOperator() == $op_sub) {
@ -1563,12 +1620,14 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
if ($is_not) {
$where[] = qsprintf(
$conn,
'(ftfield.rawCorpus NOT LIKE %~)',
'(%T.rawCorpus NOT LIKE %~)',
$table_alias,
$value);
} else {
$where[] = qsprintf(
$conn,
'(ftfield.rawCorpus LIKE %~)',
'(%T.rawCorpus LIKE %~)',
$table_alias,
$value);
}
continue;
@ -1596,12 +1655,14 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
if ($is_not) {
$term_constraints[] = qsprintf(
$conn,
'(ftfield.termCorpus NOT LIKE %~)',
'(%T.termCorpus NOT LIKE %~)',
$table_alias,
$term_value);
} else {
$term_constraints[] = qsprintf(
$conn,
'(ftfield.termCorpus LIKE %~)',
'(%T.termCorpus LIKE %~)',
$table_alias,
$term_value);
}
@ -1612,7 +1673,8 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
$term_constraints[] = qsprintf(
$conn,
'(ftfield.normalCorpus LIKE %~)',
'(%T.normalCorpus LIKE %~)',
$table_alias,
$stem_value);
}
@ -1624,7 +1686,8 @@ abstract class PhabricatorCursorPagedPolicyAwareQuery
} else if ($is_quoted) {
$where[] = qsprintf(
$conn,
'(ftfield.rawCorpus LIKE %~ AND (%Q))',
'(%T.rawCorpus LIKE %~ AND (%Q))',
$table_alias,
$value,
implode(' OR ', $term_constraints));
} else {