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<?php
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/*
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* $Id: Sqlite.php 7644 2010-06-08 15:12:02Z jwage $
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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/**
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* @package Doctrine
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* @subpackage Import
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @version $Revision: 7644 $
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* @link www.doctrine-project.org
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* @since 1.0
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*/
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class Doctrine_Import_Sqlite extends Doctrine_Import
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{
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/**
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* lists all databases
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*
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* @return array
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*/
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public function listDatabases()
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{
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}
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/**
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* lists all availible database functions
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*
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* @return array
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*/
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public function listFunctions()
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{
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}
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/**
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* lists all database triggers
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*
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* @param string|null $database
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* @return array
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*/
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public function listTriggers($database = null)
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{
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}
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/**
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* lists all database sequences
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*
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* @param string|null $database
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* @return array
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*/
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public function listSequences($database = null)
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{
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$query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
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$tableNames = $this->conn->fetchColumn($query);
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$result = array();
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foreach ($tableNames as $tableName) {
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if ($sqn = $this->conn->fixSequenceName($tableName, true)) {
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$result[] = $sqn;
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}
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}
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if ($this->conn->getAttribute(Doctrine_Core::ATTR_FIELD_CASE) && ($this->conn->getAttribute(Doctrine_Core::ATTR_PORTABILITY) & Doctrine_Core::PORTABILITY_FIX_CASE)) {
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$result = array_map(($this->conn->getAttribute(Doctrine_Core::ATTR_FIELD_CASE) == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
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}
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return $result;
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableConstraints($table)
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{
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$table = $this->conn->quote($table, 'text');
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$query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
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if ($this->conn->getAttribute(Doctrine_Core::ATTR_FIELD_CASE) && ($this->conn->getAttribute(Doctrine_Core::ATTR_PORTABILITY) & Doctrine_Core::PORTABILITY_FIX_CASE)) {
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$query .= 'LOWER(tbl_name) = ' . strtolower($table);
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} else {
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$query .= 'tbl_name = ' . $table;
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}
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$query .= ' AND sql NOT NULL ORDER BY name';
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$indexes = $this->conn->fetchColumn($query);
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$result = array();
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foreach ($indexes as $sql) {
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if (preg_match("/^create unique index ([^ ]+) on /i", $sql, $tmp)) {
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$index = $this->conn->formatter->fixIndexName($tmp[1]);
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if ( ! empty($index)) {
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$result[$index] = true;
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}
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}
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}
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if ($this->conn->getAttribute(Doctrine_Core::ATTR_FIELD_CASE) && ($this->conn->getAttribute(Doctrine_Core::ATTR_PORTABILITY) & Doctrine_Core::PORTABILITY_FIX_CASE)) {
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$result = array_change_key_case($result, $this->conn->getAttribute(Doctrine_Core::ATTR_FIELD_CASE));
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}
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return array_keys($result);
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableColumns($table)
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{
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$sql = 'PRAGMA table_info(' . $table . ')';
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$result = $this->conn->fetchAll($sql);
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$description = array();
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$columns = array();
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foreach ($result as $key => $val) {
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$val = array_change_key_case($val, CASE_LOWER);
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$decl = $this->conn->dataDict->getPortableDeclaration($val);
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$description = array(
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'name' => $val['name'],
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'ntype' => $val['type'],
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'type' => $decl['type'][0],
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'alltypes' => $decl['type'],
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'notnull' => (bool) $val['notnull'],
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'default' => $val['dflt_value'],
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'primary' => (bool) $val['pk'],
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'length' => null,
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'scale' => null,
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'precision' => null,
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'unsigned' => null,
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'autoincrement' => (bool) ($val['pk'] == 1 && $decl['type'][0] == 'integer'),
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);
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$columns[$val['name']] = $description;
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}
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return $columns;
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}
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/**
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* lists table constraints
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableIndexes($table)
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{
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$sql = 'PRAGMA index_list(' . $table . ')';
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return $this->conn->fetchColumn($sql);
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}
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/**
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* lists tables
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*
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* @param string|null $database
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* @return array
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*/
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public function listTables($database = null)
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{
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$sql = "SELECT name FROM sqlite_master WHERE type = 'table' AND name != 'sqlite_sequence' "
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. "UNION ALL SELECT name FROM sqlite_temp_master "
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. "WHERE type = 'table' ORDER BY name";
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return $this->conn->fetchColumn($sql);
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}
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/**
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* lists table triggers
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableTriggers($table)
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{
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}
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/**
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* lists table views
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*
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* @param string $table database table name
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* @return array
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*/
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public function listTableViews($table)
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{
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$query = "SELECT name, sql FROM sqlite_master WHERE type='view' AND sql NOT NULL";
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$views = $db->fetchAll($query);
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$result = array();
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foreach ($views as $row) {
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if (preg_match("/^create view .* \bfrom\b\s+\b{$table}\b /i", $row['sql'])) {
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if ( ! empty($row['name'])) {
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$result[$row['name']] = true;
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}
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}
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}
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return $result;
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}
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/**
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* lists database users
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*
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* @return array
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*/
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public function listUsers()
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{
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}
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/**
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* lists database views
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*
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* @param string|null $database
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* @return array
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*/
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public function listViews($database = null)
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{
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$query = "SELECT name FROM sqlite_master WHERE type='view' AND sql NOT NULL";
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return $this->conn->fetchColumn($query);
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}
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}
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