<?php
+/**
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This file is part of Nominatim. (https://nominatim.org)
+ *
+ * Copyright (C) 2022 by the Nominatim developer community.
+ * For a full list of authors see the git log.
+ */
namespace Nominatim;
$conn->exec("SET DateStyle TO 'sql,european'");
$conn->exec("SET client_encoding TO 'utf-8'");
+ // Disable JIT and parallel workers. They interfere badly with search SQL.
+ $conn->exec("UPDATE pg_settings SET setting = -1 WHERE name = 'jit_above_cost'");
+ $conn->exec("UPDATE pg_settings SET setting = 0 WHERE name = 'max_parallel_workers_per_gather'");
$iMaxExecution = ini_get('max_execution_time');
- if ($iMaxExecution > 0) $conn->setAttribute(\PDO::ATTR_TIMEOUT, $iMaxExecution); // seconds
+ if ($iMaxExecution > 0) {
+ $conn->setAttribute(\PDO::ATTR_TIMEOUT, $iMaxExecution); // seconds
+ }
$this->connection = $conn;
return true;
try {
$stmt = $this->getQueryStatement($sSQL, $aInputVars, $sErrMessage);
$row = $stmt->fetch(\PDO::FETCH_NUM);
- if ($row === false) return false;
+ if ($row === false) {
+ return false;
+ }
} catch (\PDOException $e) {
throw new \Nominatim\DatabaseError($sErrMessage, 500, null, $e, $sSQL);
}
return ($this->getOne($sSQL, array(':tablename' => $sTableName)) == 1);
}
- /**
- * Returns a list of table names in the database
- *
- * @return array[]
- */
- public function getListOfTables()
- {
- return $this->getCol("SELECT tablename FROM pg_tables WHERE schemaname='public'");
- }
-
/**
* Deletes a table. Returns true if deleted or didn't exist.
*
return $this->exec('DROP TABLE IF EXISTS '.$sTableName.' CASCADE') == 0;
}
- /**
- * Check if an index exists in the database. Optional filtered by tablename
- *
- * @param string $sTableName
- *
- * @return boolean
- */
- public function indexExists($sIndexName, $sTableName = null)
- {
- return in_array($sIndexName, $this->getListOfIndices($sTableName));
- }
-
- /**
- * Returns a list of index names in the database, optional filtered by tablename
- *
- * @param string $sTableName
- *
- * @return array
- */
- public function getListOfIndices($sTableName = null)
- {
- // table_name | index_name | column_name
- // -----------------------+---------------------------------+--------------
- // country_name | idx_country_name_country_code | country_code
- // country_osm_grid | idx_country_osm_grid_geometry | geometry
- // import_polygon_delete | idx_import_polygon_delete_osmid | osm_id
- // import_polygon_delete | idx_import_polygon_delete_osmid | osm_type
- // import_polygon_error | idx_import_polygon_error_osmid | osm_id
- // import_polygon_error | idx_import_polygon_error_osmid | osm_type
- $sSql = <<< END
-SELECT
- t.relname as table_name,
- i.relname as index_name,
- a.attname as column_name
-FROM
- pg_class t,
- pg_class i,
- pg_index ix,
- pg_attribute a
-WHERE
- t.oid = ix.indrelid
- and i.oid = ix.indexrelid
- and a.attrelid = t.oid
- and a.attnum = ANY(ix.indkey)
- and t.relkind = 'r'
- and i.relname NOT LIKE 'pg_%'
- FILTERS
- ORDER BY
- t.relname,
- i.relname,
- a.attname
-END;
-
- $aRows = null;
- if ($sTableName) {
- $sSql = str_replace('FILTERS', 'and t.relname = :tablename', $sSql);
- $aRows = $this->getAll($sSql, array(':tablename' => $sTableName));
- } else {
- $sSql = str_replace('FILTERS', '', $sSql);
- $aRows = $this->getAll($sSql);
- }
-
- $aIndexNames = array_unique(array_map(function ($aRow) {
- return $aRow['index_name'];
- }, $aRows));
- sort($aIndexNames);
-
- return $aIndexNames;
- }
-
/**
* Tries to connect to the database but on failure doesn't throw an exception.
*
if (preg_match('/^pgsql:(.+)$/', $sDSN, $aMatches)) {
foreach (explode(';', $aMatches[1]) as $sKeyVal) {
list($sKey, $sVal) = explode('=', $sKeyVal, 2);
- if ($sKey == 'host') $sKey = 'hostspec';
- if ($sKey == 'dbname') $sKey = 'database';
- if ($sKey == 'user') $sKey = 'username';
+ if ($sKey == 'host') {
+ $sKey = 'hostspec';
+ } elseif ($sKey == 'dbname') {
+ $sKey = 'database';
+ } elseif ($sKey == 'user') {
+ $sKey = 'username';
+ }
$aInfo[$sKey] = $sVal;
}
}