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diff --git a/src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php b/src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php
--- a/src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php
+++ b/src/infrastructure/query/policy/PhabricatorCursorPagedPolicyAwareQuery.php
@@ -1801,24 +1801,35 @@
$this->ferretEngine = $engine;
$this->ferretTokens = $fulltext_tokens;
+ $op_absent = PhutilSearchQueryCompiler::OPERATOR_ABSENT;
+
$default_function = $engine->getDefaultFunctionKey();
$table_map = array();
$idx = 1;
foreach ($this->ferretTokens as $fulltext_token) {
$raw_token = $fulltext_token->getToken();
- $function = $raw_token->getFunction();
+ $function = $raw_token->getFunction();
if ($function === null) {
$function = $default_function;
}
$raw_field = $engine->getFieldForFunction($function);
+ // NOTE: The query compiler guarantees that a query can not make a
+ // field both "present" and "absent", so it's safe to just use the
+ // first operator we encounter to determine whether the table is
+ // optional or not.
+
+ $operator = $raw_token->getOperator();
+ $is_optional = ($operator === $op_absent);
+
if (!isset($table_map[$function])) {
$alias = 'ftfield_'.$idx++;
$table_map[$function] = array(
'alias' => $alias,
'key' => $raw_field,
+ 'optional' => $is_optional,
);
}
}
@@ -1966,6 +1977,8 @@
$op_sub = PhutilSearchQueryCompiler::OPERATOR_SUBSTRING;
$op_not = PhutilSearchQueryCompiler::OPERATOR_NOT;
+ $op_absent = PhutilSearchQueryCompiler::OPERATOR_ABSENT;
+ $op_present = PhutilSearchQueryCompiler::OPERATOR_PRESENT;
$engine = $this->ferretEngine;
$stemmer = $engine->newStemmer();
@@ -1976,11 +1989,19 @@
foreach ($this->ferretTokens as $fulltext_token) {
$raw_token = $fulltext_token->getToken();
+ $operator = $raw_token->getOperator();
+
// If this is a negated term like "-pomegranate", don't join the ngram
// table since we aren't looking for documents with this term. (We could
// LEFT JOIN the table and require a NULL row, but this is probably more
// trouble than it's worth.)
- if ($raw_token->getOperator() == $op_not) {
+ if ($operator === $op_not) {
+ continue;
+ }
+
+ // Neither the "present" or "absent" operators benefit from joining
+ // the ngram table.
+ if ($operator === $op_absent || $operator === $op_present) {
continue;
}
@@ -2143,31 +2164,54 @@
$op_sub = PhutilSearchQueryCompiler::OPERATOR_SUBSTRING;
$op_not = PhutilSearchQueryCompiler::OPERATOR_NOT;
$op_exact = PhutilSearchQueryCompiler::OPERATOR_EXACT;
+ $op_absent = PhutilSearchQueryCompiler::OPERATOR_ABSENT;
+ $op_present = PhutilSearchQueryCompiler::OPERATOR_PRESENT;
$where = array();
- $current_function = 'all';
+ $default_function = $engine->getDefaultFunctionKey();
foreach ($this->ferretTokens as $fulltext_token) {
$raw_token = $fulltext_token->getToken();
$value = $raw_token->getValue();
$function = $raw_token->getFunction();
if ($function === null) {
- $function = $current_function;
+ $function = $default_function;
}
- $current_function = $function;
+
+ $operator = $raw_token->getOperator();
$table_alias = $table_map[$function]['alias'];
- $is_not = ($raw_token->getOperator() == $op_not);
+ // If this is a "field is present" operator, we've already implicitly
+ // guaranteed this by JOINing the table. We don't need to do any
+ // more work.
+ $is_present = ($operator === $op_present);
+ if ($is_present) {
+ continue;
+ }
- if ($raw_token->getOperator() == $op_sub) {
+ // If this is a "field is absent" operator, we just want documents
+ // which failed to match to a row when we LEFT JOINed the table. This
+ // means there's no index for the field.
+ $is_absent = ($operator === $op_absent);
+ if ($is_absent) {
+ $where[] = qsprintf(
+ $conn,
+ '(%T.rawCorpus IS NULL)',
+ $table_alias);
+ continue;
+ }
+
+ $is_not = ($operator === $op_not);
+
+ if ($operator == $op_sub) {
$is_substring = true;
} else {
$is_substring = false;
}
// If we're doing exact search, just test the raw corpus.
- $is_exact = ($raw_token->getOperator() == $op_exact);
+ $is_exact = ($operator === $op_exact);
if ($is_exact) {
if ($is_not) {
$where[] = qsprintf(

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