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<?php |
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/** |
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* PHPPgAdmin 6.0.0 |
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*/ |
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namespace PHPPgAdmin\Database; |
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/** |
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* A Class that implements the DB Interface for Postgres |
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* Note: This Class uses ADODB and returns RecordSets. |
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* |
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* Id: Postgres.php,v 1.320 2008/02/20 20:43:09 ioguix Exp $ |
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*/ |
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class Postgres extends ADOdbBase |
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{ |
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use \PHPPgAdmin\Traits\HelperTrait; |
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use \PHPPgAdmin\Database\Traits\AggregateTrait; |
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use \PHPPgAdmin\Database\Traits\DatabaseTrait; |
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use \PHPPgAdmin\Database\Traits\DomainTrait; |
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use \PHPPgAdmin\Database\Traits\FtsTrait; |
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use \PHPPgAdmin\Database\Traits\FunctionTrait; |
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use \PHPPgAdmin\Database\Traits\IndexTrait; |
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use \PHPPgAdmin\Database\Traits\OperatorTrait; |
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use \PHPPgAdmin\Database\Traits\RoleTrait; |
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use \PHPPgAdmin\Database\Traits\SchemaTrait; |
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use \PHPPgAdmin\Database\Traits\SequenceTrait; |
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use \PHPPgAdmin\Database\Traits\TablespaceTrait; |
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use \PHPPgAdmin\Database\Traits\TableTrait; |
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use \PHPPgAdmin\Database\Traits\TypeTrait; |
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use \PHPPgAdmin\Database\Traits\ViewTrait; |
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use \PHPPgAdmin\Database\Traits\StatsTrait; |
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use \PHPPgAdmin\Database\Traits\PrivilegesTrait; |
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public $lang; |
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public $conf; |
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/** |
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* @var float |
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*/ |
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public $major_version = 9.6; |
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/** |
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* @var class-string |
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*/ |
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public $help_classname = \PHPPgAdmin\Help\PostgresDoc::class; |
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/** |
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* @var \PHPPgAdmin\Help\PostgresDoc |
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*/ |
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public $help_class; |
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protected $container; |
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protected $server_info; |
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public function __construct(&$conn, $container, $server_info) |
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{ |
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//$this->prtrace('major_version :' . $this->major_version); |
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$this->conn = $conn; |
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$this->container = $container; |
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$this->lang = $container->get('lang'); |
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$this->conf = $container->get('conf'); |
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$this->server_info = $server_info; |
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$this->help_class = new $this->help_classname($this->conf, $this->major_version); |
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$this->lastExecutedSql = ''; |
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} |
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/** |
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* Fetch a URL (or array of URLs) for a given help page. |
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* |
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* @param string $help |
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* |
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* @return null|array|string the help page or pages related to the $help topic, or null if none exists |
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*/ |
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public function getHelp($help) |
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{ |
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$this->help_page = $this->help_class->getHelpTopics(); |
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$this->help_base = $this->help_class->getHelpBase(); |
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if (!$topicResult = $this->help_class->getHelpTopic($help)) { |
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return null; |
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} |
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if (\is_array($topicResult)) { |
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$urls = []; |
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foreach ($topicResult as $link) { |
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$urls[] = $this->help_base . $link; |
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} |
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return $urls; |
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} |
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return $this->help_base . $topicResult; |
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} |
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/** |
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* Gets the help pages. |
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* get help page by instancing the corresponding help class |
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* if $this->help_page and $this->help_base are set, this function is a noop. |
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* |
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* @return array<array-key, string>|null|string |
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*/ |
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public function getHelpPages() |
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{ |
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return $this->help_class->getHelpTopics(); |
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} |
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// Formatting functions |
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/** |
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* Outputs the HTML code for a particular field. |
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* |
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* @param string $name The name to give the field |
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* @param mixed $value The value of the field. Note this could be 'numeric(7,2)' sort of thing... |
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* @param string $type The database type of the field |
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* @param array $extras An array of attributes name as key and attributes' values as value |
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*/ |
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public function printField($name, $value, $type, $extras = []): void |
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{ |
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$lang = $this->lang; |
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// Determine actions string |
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$extra_str = ''; |
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foreach ($extras as $k => $v) { |
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$extra_str .= " {$k}=\"" . \htmlspecialchars($v) . '"'; |
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} |
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switch (\mb_substr($type, 0, 9)) { |
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case 'bool': |
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case 'boolean': |
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if (null !== $value && '' === $value) { |
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$value = null; |
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} elseif ('true' === $value) { |
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$value = 't'; |
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} elseif ('false' === $value) { |
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$value = 'f'; |
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} |
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// If value is null, 't' or 'f'... |
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if (null === $value || 't' === $value || 'f' === $value) { |
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echo '<select name="', \htmlspecialchars($name), "\"{$extra_str}>\n"; |
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echo '<option value=""', (null === $value) ? ' selected="selected"' : '', "></option>\n"; |
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echo '<option value="t"', ('t' === $value) ? ' selected="selected"' : '', ">{$lang['strtrue']}</option>\n"; |
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echo '<option value="f"', ('f' === $value) ? ' selected="selected"' : '', ">{$lang['strfalse']}</option>\n"; |
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echo "</select>\n"; |
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} else { |
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echo '<input name="', \htmlspecialchars($name), '" value="', \htmlspecialchars($value), "\" size=\"35\"{$extra_str} />\n"; |
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} |
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break; |
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case 'bytea': |
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case 'bytea[]': |
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if (null !== $value) { |
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$value = $this->escapeBytea($value); |
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} |
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// no break |
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case 'text': |
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case 'text[]': |
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case 'json': |
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case 'jsonb': |
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case 'xml': |
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case 'xml[]': |
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$n = \mb_substr_count($value, "\n"); |
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$n = 5 > $n ? \max(2, $n) : $n; |
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$n = 20 < $n ? 20 : $n; |
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echo '<textarea name="', \htmlspecialchars($name), "\" rows=\"{$n}\" cols=\"85\"{$extra_str}>\n"; |
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echo \htmlspecialchars($value); |
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echo "</textarea>\n"; |
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break; |
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case 'character': |
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case 'character[]': |
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$n = \mb_substr_count($value, "\n"); |
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$n = 5 > $n ? 5 : $n; |
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$n = 20 < $n ? 20 : $n; |
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echo '<textarea name="', \htmlspecialchars($name), "\" rows=\"{$n}\" cols=\"35\"{$extra_str}>\n"; |
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echo \htmlspecialchars($value); |
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echo "</textarea>\n"; |
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break; |
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default: |
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echo '<input name="', \htmlspecialchars($name), '" value="', \htmlspecialchars($value), "\" size=\"35\"{$extra_str} />\n"; |
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break; |
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} |
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} |
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/** |
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* Searches all system catalogs to find objects that match a certain name. |
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* |
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* @param string $term The search term |
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* @param string $filter The object type to restrict to ('' means no restriction) |
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* |
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* @return int|\PHPPgAdmin\ADORecordSet A recordset |
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*/ |
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public function findObject($term, $filter) |
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{ |
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$conf = $this->conf; |
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/*about escaping: |
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* SET standard_conforming_string is not available before 8.2 |
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* So we must use PostgreSQL specific notation :/ |
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* E'' notation is not available before 8.1 |
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* $$ is available since 8.0 |
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* Nothing specific from 7.4 |
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*/ |
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// Escape search term for ILIKE match |
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$this->clean($term); |
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$this->clean($filter); |
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$term = \str_replace('_', '\_', $term); |
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$term = \str_replace('%', '\%', $term); |
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// Exclude system relations if necessary |
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if (!$conf['show_system']) { |
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// XXX: The mention of information_schema here is in the wrong place, but |
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// it's the quickest fix to exclude the info schema from 7.4 |
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$where = " AND pn.nspname NOT LIKE \$_PATERN_\$pg\\_%\$_PATERN_\$ AND pn.nspname != 'information_schema'"; |
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$lan_where = 'AND pl.lanispl'; |
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} else { |
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$where = ''; |
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$lan_where = ''; |
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} |
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// Apply outer filter |
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$sql = ''; |
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if ('' !== $filter) { |
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$sql = 'SELECT * FROM ('; |
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} |
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$term = "\$_PATERN_\$%{$term}%\$_PATERN_\$"; |
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$sql .= " |
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SELECT 'SCHEMA' AS type, oid, NULL AS schemaname, NULL AS relname, nspname AS name |
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FROM pg_catalog.pg_namespace pn WHERE nspname ILIKE {$term} {$where} |
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UNION ALL |
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SELECT CASE WHEN relkind='r' THEN 'TABLE' WHEN relkind='v' THEN 'VIEW' WHEN relkind='S' THEN 'SEQUENCE' END, pc.oid, |
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pn.nspname, NULL, pc.relname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn |
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WHERE pc.relnamespace=pn.oid AND relkind IN ('r', 'v', 'S') AND relname ILIKE {$term} {$where} |
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UNION ALL |
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SELECT CASE WHEN pc.relkind='r' THEN 'COLUMNTABLE' ELSE 'COLUMNVIEW' END, NULL, pn.nspname, pc.relname, pa.attname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn, |
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pg_catalog.pg_attribute pa WHERE pc.relnamespace=pn.oid AND pc.oid=pa.attrelid |
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AND pa.attname ILIKE {$term} AND pa.attnum > 0 AND NOT pa.attisdropped AND pc.relkind IN ('r', 'v') {$where} |
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UNION ALL |
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SELECT 'FUNCTION', pp.oid, pn.nspname, NULL, pp.proname || '(' || pg_catalog.oidvectortypes(pp.proargtypes) || ')' FROM pg_catalog.pg_proc pp, pg_catalog.pg_namespace pn |
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WHERE pp.pronamespace=pn.oid AND NOT pp.proisagg AND pp.proname ILIKE {$term} {$where} |
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UNION ALL |
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SELECT 'INDEX', NULL, pn.nspname, pc.relname, pc2.relname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn, |
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pg_catalog.pg_index pi, pg_catalog.pg_class pc2 WHERE pc.relnamespace=pn.oid AND pc.oid=pi.indrelid |
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AND pi.indexrelid=pc2.oid |
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AND NOT EXISTS ( |
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SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c |
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ON (d.refclassid = c.tableoid AND d.refobjid = c.oid) |
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WHERE d.classid = pc2.tableoid AND d.objid = pc2.oid AND d.deptype = 'i' AND c.contype IN ('u', 'p') |
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) |
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AND pc2.relname ILIKE {$term} {$where} |
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UNION ALL |
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SELECT 'CONSTRAINTTABLE', NULL, pn.nspname, pc.relname, pc2.conname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn, |
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pg_catalog.pg_constraint pc2 WHERE pc.relnamespace=pn.oid AND pc.oid=pc2.conrelid AND pc2.conrelid != 0 |
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AND CASE WHEN pc2.contype IN ('f', 'c') THEN TRUE ELSE NOT EXISTS ( |
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SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c |
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ON (d.refclassid = c.tableoid AND d.refobjid = c.oid) |
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WHERE d.classid = pc2.tableoid AND d.objid = pc2.oid AND d.deptype = 'i' AND c.contype IN ('u', 'p') |
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) END |
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AND pc2.conname ILIKE {$term} {$where} |
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UNION ALL |
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SELECT 'CONSTRAINTDOMAIN', pt.oid, pn.nspname, pt.typname, pc.conname FROM pg_catalog.pg_type pt, pg_catalog.pg_namespace pn, |
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pg_catalog.pg_constraint pc WHERE pt.typnamespace=pn.oid AND pt.oid=pc.contypid AND pc.contypid != 0 |
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AND pc.conname ILIKE {$term} {$where} |
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UNION ALL |
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SELECT 'TRIGGER', NULL, pn.nspname, pc.relname, pt.tgname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn, |
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pg_catalog.pg_trigger pt WHERE pc.relnamespace=pn.oid AND pc.oid=pt.tgrelid |
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AND ( pt.tgconstraint = 0 OR NOT EXISTS |
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(SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c |
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ON (d.refclassid = c.tableoid AND d.refobjid = c.oid) |
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WHERE d.classid = pt.tableoid AND d.objid = pt.oid AND d.deptype = 'i' AND c.contype = 'f')) |
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AND pt.tgname ILIKE {$term} {$where} |
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285
|
|
|
UNION ALL |
|
286
|
|
|
SELECT 'RULETABLE', NULL, pn.nspname AS schemaname, c.relname AS tablename, r.rulename FROM pg_catalog.pg_rewrite r |
|
287
|
|
|
JOIN pg_catalog.pg_class c ON c.oid = r.ev_class |
|
288
|
|
|
LEFT JOIN pg_catalog.pg_namespace pn ON pn.oid = c.relnamespace |
|
289
|
|
|
WHERE c.relkind='r' AND r.rulename != '_RETURN' AND r.rulename ILIKE {$term} {$where} |
|
290
|
|
|
UNION ALL |
|
291
|
|
|
SELECT 'RULEVIEW', NULL, pn.nspname AS schemaname, c.relname AS tablename, r.rulename FROM pg_catalog.pg_rewrite r |
|
292
|
|
|
JOIN pg_catalog.pg_class c ON c.oid = r.ev_class |
|
293
|
|
|
LEFT JOIN pg_catalog.pg_namespace pn ON pn.oid = c.relnamespace |
|
294
|
|
|
WHERE c.relkind='v' AND r.rulename != '_RETURN' AND r.rulename ILIKE {$term} {$where} |
|
295
|
|
|
"; |
|
296
|
|
|
|
|
297
|
|
|
|
|
298
|
|
|
// Add advanced objects if show_advanced is set |
|
299
|
|
|
if ($conf['show_advanced']) { |
|
300
|
|
|
$sql .= " |
|
301
|
|
|
UNION ALL |
|
302
|
|
|
SELECT CASE WHEN pt.typtype='d' THEN 'DOMAIN' ELSE 'TYPE' END, pt.oid, pn.nspname, NULL, |
|
303
|
|
|
pt.typname FROM pg_catalog.pg_type pt, pg_catalog.pg_namespace pn |
|
304
|
|
|
WHERE pt.typnamespace=pn.oid AND typname ILIKE {$term} |
|
305
|
|
|
AND (pt.typrelid = 0 OR (SELECT c.relkind = 'c' FROM pg_catalog.pg_class c WHERE c.oid = pt.typrelid)) |
|
306
|
|
|
{$where} |
|
307
|
|
|
UNION ALL |
|
308
|
|
|
SELECT 'OPERATOR', po.oid, pn.nspname, NULL, po.oprname FROM pg_catalog.pg_operator po, pg_catalog.pg_namespace pn |
|
309
|
|
|
WHERE po.oprnamespace=pn.oid AND oprname ILIKE {$term} {$where} |
|
310
|
|
|
UNION ALL |
|
311
|
|
|
SELECT 'CONVERSION', pc.oid, pn.nspname, NULL, pc.conname FROM pg_catalog.pg_conversion pc, |
|
312
|
|
|
pg_catalog.pg_namespace pn WHERE pc.connamespace=pn.oid AND conname ILIKE {$term} {$where} |
|
313
|
|
|
UNION ALL |
|
314
|
|
|
SELECT 'LANGUAGE', pl.oid, NULL, NULL, pl.lanname FROM pg_catalog.pg_language pl |
|
315
|
|
|
WHERE lanname ILIKE {$term} {$lan_where} |
|
316
|
|
|
UNION ALL |
|
317
|
|
|
SELECT DISTINCT ON (p.proname) 'AGGREGATE', p.oid, pn.nspname, NULL, p.proname FROM pg_catalog.pg_proc p |
|
318
|
|
|
LEFT JOIN pg_catalog.pg_namespace pn ON p.pronamespace=pn.oid |
|
319
|
|
|
WHERE p.proisagg AND p.proname ILIKE {$term} {$where} |
|
320
|
|
|
UNION ALL |
|
321
|
|
|
SELECT DISTINCT ON (po.opcname) 'OPCLASS', po.oid, pn.nspname, NULL, po.opcname FROM pg_catalog.pg_opclass po, |
|
322
|
|
|
pg_catalog.pg_namespace pn WHERE po.opcnamespace=pn.oid |
|
323
|
|
|
AND po.opcname ILIKE {$term} {$where} |
|
324
|
|
|
"; |
|
325
|
|
|
} else { |
|
326
|
|
|
// Otherwise just add domains |
|
327
|
|
|
$sql .= " |
|
328
|
|
|
UNION ALL |
|
329
|
|
|
SELECT 'DOMAIN', pt.oid, pn.nspname, NULL, |
|
330
|
|
|
pt.typname FROM pg_catalog.pg_type pt, pg_catalog.pg_namespace pn |
|
331
|
|
|
WHERE pt.typnamespace=pn.oid AND pt.typtype='d' AND typname ILIKE {$term} |
|
332
|
|
|
AND (pt.typrelid = 0 OR (SELECT c.relkind = 'c' FROM pg_catalog.pg_class c WHERE c.oid = pt.typrelid)) |
|
333
|
|
|
{$where} |
|
334
|
|
|
"; |
|
335
|
|
|
} |
|
336
|
|
|
|
|
337
|
|
|
if ('' !== $filter) { |
|
338
|
|
|
// We use like to make RULE, CONSTRAINT and COLUMN searches work |
|
339
|
|
|
$sql .= ") AS sub WHERE type LIKE '{$filter}%' "; |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
$sql .= 'ORDER BY type, schemaname, relname, name'; |
|
343
|
|
|
|
|
344
|
|
|
return $this->selectSet($sql); |
|
345
|
|
|
} |
|
346
|
|
|
|
|
347
|
|
|
/** |
|
348
|
|
|
* Gets all languages. |
|
349
|
|
|
* |
|
350
|
|
|
* @param bool $all True to get all languages, regardless of show_system |
|
351
|
|
|
* |
|
352
|
|
|
* @return int|\PHPPgAdmin\ADORecordSet A recordset |
|
353
|
|
|
*/ |
|
354
|
|
|
public function getLanguages($all = false) |
|
355
|
|
|
{ |
|
356
|
|
|
$conf = $this->conf; |
|
357
|
|
|
|
|
358
|
|
|
if ($conf['show_system'] || $all) { |
|
359
|
|
|
$where = ''; |
|
360
|
|
|
} else { |
|
361
|
|
|
$where = 'WHERE lanispl'; |
|
362
|
|
|
} |
|
363
|
|
|
|
|
364
|
|
|
$sql = " |
|
365
|
|
|
SELECT |
|
366
|
|
|
lanname, lanpltrusted, |
|
367
|
|
|
lanplcallfoid::pg_catalog.regproc AS lanplcallf |
|
368
|
|
|
FROM |
|
369
|
|
|
pg_catalog.pg_language |
|
370
|
|
|
{$where} |
|
371
|
|
|
ORDER BY lanname |
|
372
|
|
|
"; |
|
373
|
|
|
|
|
374
|
|
|
return $this->selectSet($sql); |
|
375
|
|
|
} |
|
376
|
|
|
|
|
377
|
|
|
/** |
|
378
|
|
|
* Executes an SQL script as a series of SQL statements. Returns |
|
379
|
|
|
* the result of the final step. This is a very complicated lexer |
|
380
|
|
|
* based on the REL7_4_STABLE src/bin/psql/mainloop.c lexer in |
|
381
|
|
|
* the PostgreSQL source code. |
|
382
|
|
|
* XXX: It does not handle multibyte languages properly. |
|
383
|
|
|
* |
|
384
|
|
|
* @param string $name Entry in $_FILES to use |
|
385
|
|
|
* @param null|callable $callback (optional) Callback function to call with each query, its result and line number |
|
386
|
|
|
* |
|
387
|
|
|
* @return bool|mixed true for general success, false on any failure, or resultset |
|
388
|
|
|
*/ |
|
389
|
|
|
public function executeScript($name, $callback = null) |
|
390
|
|
|
{ |
|
391
|
|
|
// This whole function isn't very encapsulated, but hey... |
|
392
|
|
|
$conn = $this->conn->_connectionID; |
|
393
|
|
|
|
|
394
|
|
|
if (!\is_uploaded_file($_FILES[$name]['tmp_name'])) { |
|
395
|
|
|
return false; |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
$fd = \fopen($_FILES[$name]['tmp_name'], 'rb'); |
|
399
|
|
|
|
|
400
|
|
|
if (false === $fd) { |
|
401
|
|
|
return false; |
|
402
|
|
|
} |
|
403
|
|
|
|
|
404
|
|
|
// Build up each SQL statement, they can be multiline |
|
405
|
|
|
$query_buf = null; |
|
406
|
|
|
$query_start = 0; |
|
407
|
|
|
$in_quote = 0; |
|
408
|
|
|
$in_xcomment = 0; |
|
409
|
|
|
$bslash_count = 0; |
|
410
|
|
|
$dol_quote = ''; |
|
411
|
|
|
$paren_level = 0; |
|
412
|
|
|
$len = 0; |
|
413
|
|
|
$i = 0; |
|
414
|
|
|
$prevlen = 0; |
|
415
|
|
|
$thislen = 0; |
|
416
|
|
|
$lineno = 0; |
|
417
|
|
|
|
|
418
|
|
|
// Loop over each line in the file |
|
419
|
|
|
while (!\feof($fd)) { |
|
420
|
|
|
$line = \fgets($fd); |
|
421
|
|
|
++$lineno; |
|
422
|
|
|
|
|
423
|
|
|
// Nothing left on line? Then ignore... |
|
424
|
|
|
if ('' === \trim($line)) { |
|
425
|
|
|
continue; |
|
426
|
|
|
} |
|
427
|
|
|
|
|
428
|
|
|
$len = \mb_strlen($line); |
|
429
|
|
|
$query_start = 0; |
|
430
|
|
|
|
|
431
|
|
|
/** |
|
432
|
|
|
* Parse line, looking for command separators. |
|
433
|
|
|
* |
|
434
|
|
|
* The current character is at line[i], the prior character at line[i |
|
435
|
|
|
* - prevlen], the next character at line[i + thislen]. |
|
436
|
|
|
*/ |
|
437
|
|
|
$prevlen = 0; |
|
438
|
|
|
$thislen = (0 < $len) ? 1 : 0; |
|
439
|
|
|
|
|
440
|
|
|
for ($i = 0; $i < $len; $this->advance_1($i, $prevlen, $thislen)) { |
|
441
|
|
|
/* was the previous character a backslash? */ |
|
442
|
|
|
if (0 < $i && '\\' === \mb_substr($line, $i - $prevlen, 1)) { |
|
443
|
|
|
$this->prtrace('bslash_count', $bslash_count, $line); |
|
444
|
|
|
++$bslash_count; |
|
445
|
|
|
} else { |
|
446
|
|
|
$bslash_count = 0; |
|
447
|
|
|
} |
|
448
|
|
|
|
|
449
|
|
|
/* |
|
450
|
|
|
* It is important to place the in_* test routines before the |
|
451
|
|
|
* in_* detection routines. i.e. we have to test if we are in |
|
452
|
|
|
* a quote before testing for comments. |
|
453
|
|
|
*/ |
|
454
|
|
|
|
|
455
|
|
|
/* in quote? */ |
|
456
|
|
|
if (0 !== $in_quote) { |
|
457
|
|
|
//$this->prtrace('in_quote', $in_quote, $line); |
|
458
|
|
|
/* |
|
459
|
|
|
* end of quote if matching non-backslashed character. |
|
460
|
|
|
* backslashes don't count for double quotes, though. |
|
461
|
|
|
*/ |
|
462
|
|
|
if (\mb_substr($line, $i, 1) === $in_quote && |
|
463
|
|
|
(0 === $bslash_count % 2 || '"' === $in_quote) |
|
464
|
|
|
) { |
|
465
|
|
|
$in_quote = 0; |
|
466
|
|
|
} |
|
467
|
|
|
} elseif ($dol_quote) { |
|
468
|
|
|
$this->prtrace('dol_quote', $dol_quote, $line); |
|
469
|
|
|
|
|
470
|
|
|
if (0 === \strncmp(\mb_substr($line, $i), $dol_quote, \mb_strlen($dol_quote))) { |
|
471
|
|
|
$this->advance_1($i, $prevlen, $thislen); |
|
472
|
|
|
|
|
473
|
|
|
while ('$' !== \mb_substr($line, $i, 1)) { |
|
474
|
|
|
$this->advance_1($i, $prevlen, $thislen); |
|
475
|
|
|
} |
|
476
|
|
|
|
|
477
|
|
|
$dol_quote = ''; |
|
478
|
|
|
} |
|
479
|
|
|
} elseif ('/*' === \mb_substr($line, $i, 2)) { |
|
480
|
|
|
$this->prtrace('open_xcomment', $in_xcomment, $line, $i, $prevlen, $thislen); |
|
481
|
|
|
|
|
482
|
|
|
if (0 === $in_xcomment) { |
|
483
|
|
|
++$in_xcomment; |
|
484
|
|
|
$finishpos = \mb_strpos(\mb_substr($line, $i, $len), '*/'); |
|
485
|
|
|
|
|
486
|
|
|
if (false === $finishpos) { |
|
487
|
|
|
$line = \mb_substr($line, 0, $i); /* remove comment */ |
|
488
|
|
|
|
|
489
|
|
|
break; |
|
490
|
|
|
} |
|
491
|
|
|
$pre = \mb_substr($line, 0, $i); |
|
492
|
|
|
$post = \mb_substr($line, $i + 2 + $finishpos, $len); |
|
493
|
|
|
$line = $pre . ' ' . $post; |
|
494
|
|
|
$in_xcomment = 0; |
|
495
|
|
|
$i = 0; |
|
496
|
|
|
} |
|
497
|
|
|
} elseif ($in_xcomment) { |
|
498
|
|
|
$position = \mb_strpos(\mb_substr($line, $i, $len), '*/'); |
|
499
|
|
|
|
|
500
|
|
|
if (false === $position) { |
|
501
|
|
|
$line = ''; |
|
502
|
|
|
|
|
503
|
|
|
break; |
|
504
|
|
|
} |
|
505
|
|
|
|
|
506
|
|
|
$substr = \mb_substr($line, $i, 2); |
|
507
|
|
|
|
|
508
|
|
|
if ('*/' === $substr && !--$in_xcomment) { |
|
509
|
|
|
$line = \mb_substr($line, $i + 2, $len); |
|
510
|
|
|
$i += 2; |
|
511
|
|
|
$this->advance_1($i, $prevlen, $thislen); |
|
512
|
|
|
} |
|
513
|
|
|
// old logic |
|
514
|
|
|
// } else if (substr($line, $i, 2) == '/*') { |
|
515
|
|
|
// if ($in_xcomment == 0) { |
|
516
|
|
|
// ++$in_xcomment; |
|
517
|
|
|
// $this->advance_1($i, $prevlen, $thislen); |
|
518
|
|
|
// } |
|
519
|
|
|
// } else if ($in_xcomment) { |
|
520
|
|
|
// $substr = substr($line, $i, 2); |
|
521
|
|
|
// if ($substr == '*/' && !--$in_xcomment) { |
|
522
|
|
|
// $this->advance_1($i, $prevlen, $thislen); |
|
523
|
|
|
// } |
|
524
|
|
|
} elseif ('\'' === \mb_substr($line, $i, 1) || '"' === \mb_substr($line, $i, 1)) { |
|
525
|
|
|
$in_quote = \mb_substr($line, $i, 1); |
|
526
|
|
|
} elseif (!$dol_quote && $this->valid_dolquote(\mb_substr($line, $i))) { |
|
527
|
|
|
$dol_end = \mb_strpos(\mb_substr($line, $i + 1), '$'); |
|
528
|
|
|
$dol_quote = \mb_substr($line, $i, $dol_end + 1); |
|
529
|
|
|
$this->advance_1($i, $prevlen, $thislen); |
|
530
|
|
|
|
|
531
|
|
|
while ('$' !== \mb_substr($line, $i, 1)) { |
|
532
|
|
|
$this->advance_1($i, $prevlen, $thislen); |
|
533
|
|
|
} |
|
534
|
|
|
} else { |
|
535
|
|
|
if ('--' === \mb_substr($line, $i, 2)) { |
|
536
|
|
|
$line = \mb_substr($line, 0, $i); /* remove comment */ |
|
537
|
|
|
|
|
538
|
|
|
break; |
|
539
|
|
|
} /* count nested parentheses */ |
|
540
|
|
|
|
|
541
|
|
|
if ('(' === \mb_substr($line, $i, 1)) { |
|
542
|
|
|
++$paren_level; |
|
543
|
|
|
} elseif (')' === \mb_substr($line, $i, 1) && 0 < $paren_level) { |
|
544
|
|
|
--$paren_level; |
|
545
|
|
|
} elseif (';' === \mb_substr($line, $i, 1) && !$bslash_count && !$paren_level) { |
|
546
|
|
|
$subline = \mb_substr(\mb_substr($line, 0, $i), $query_start); |
|
547
|
|
|
/* |
|
548
|
|
|
* insert a cosmetic newline, if this is not the first |
|
549
|
|
|
* line in the buffer |
|
550
|
|
|
*/ |
|
551
|
|
|
if (0 < \mb_strlen($query_buf)) { |
|
552
|
|
|
$query_buf .= "\n"; |
|
553
|
|
|
} |
|
554
|
|
|
|
|
555
|
|
|
/* append the line to the query buffer */ |
|
556
|
|
|
$query_buf .= $subline; |
|
557
|
|
|
/* is there anything in the query_buf? */ |
|
558
|
|
|
if (\trim($query_buf)) { |
|
559
|
|
|
$query_buf .= ';'; |
|
560
|
|
|
|
|
561
|
|
|
// Execute the query. PHP cannot execute |
|
562
|
|
|
// empty queries, unlike libpq |
|
563
|
|
|
$res = \pg_query($conn, $query_buf); |
|
|
|
|
|
|
564
|
|
|
|
|
565
|
|
|
// Call the callback function for display |
|
566
|
|
|
if (null !== $callback) { |
|
567
|
|
|
$callback($query_buf, $res, $lineno); |
|
568
|
|
|
} |
|
569
|
|
|
|
|
570
|
|
|
// Check for COPY request |
|
571
|
|
|
if (4 === \pg_result_status($res)) { |
|
572
|
|
|
// 4 == PGSQL_COPY_FROM |
|
573
|
|
|
while (!\feof($fd)) { |
|
574
|
|
|
$copy = \fgets($fd, 32768); |
|
575
|
|
|
++$lineno; |
|
576
|
|
|
\pg_put_line($conn, $copy); |
|
|
|
|
|
|
577
|
|
|
|
|
578
|
|
|
if ("\\.\n" === $copy || "\\.\r\n" === $copy) { |
|
579
|
|
|
\pg_end_copy($conn); |
|
|
|
|
|
|
580
|
|
|
|
|
581
|
|
|
break; |
|
582
|
|
|
} |
|
583
|
|
|
} |
|
584
|
|
|
} |
|
585
|
|
|
} |
|
586
|
|
|
$query_buf = null; |
|
587
|
|
|
$query_start = $i + $thislen; |
|
588
|
|
|
} elseif (\preg_match('/^[_[:alpha:]]$/', \mb_substr($line, $i, 1))) { |
|
589
|
|
|
$sub = \mb_substr($line, $i, $thislen); |
|
590
|
|
|
|
|
591
|
|
|
while (\preg_match('/^[\$_A-Za-z0-9]$/', $sub)) { |
|
592
|
|
|
/* keep going while we still have identifier chars */ |
|
593
|
|
|
$this->advance_1($i, $prevlen, $thislen); |
|
594
|
|
|
$sub = \mb_substr($line, $i, $thislen); |
|
595
|
|
|
} |
|
596
|
|
|
// Since we're now over the next character to be examined, it is necessary |
|
597
|
|
|
// to move back one space. |
|
598
|
|
|
$i -= $prevlen; |
|
599
|
|
|
} |
|
600
|
|
|
} |
|
601
|
|
|
} // end for |
|
602
|
|
|
|
|
603
|
|
|
/* Put the rest of the line in the query buffer. */ |
|
604
|
|
|
$subline = \mb_substr($line, $query_start); |
|
605
|
|
|
|
|
606
|
|
|
if ($in_quote || $dol_quote || \strspn($subline, " \t\n\r") !== \mb_strlen($subline)) { |
|
607
|
|
|
if (0 < \mb_strlen($query_buf)) { |
|
608
|
|
|
$query_buf .= "\n"; |
|
609
|
|
|
} |
|
610
|
|
|
|
|
611
|
|
|
$query_buf .= $subline; |
|
612
|
|
|
} |
|
613
|
|
|
|
|
614
|
|
|
$line = null; |
|
615
|
|
|
} // end while |
|
616
|
|
|
|
|
617
|
|
|
$res = true; |
|
618
|
|
|
/* |
|
619
|
|
|
* Process query at the end of file without a semicolon, so long as |
|
620
|
|
|
* it's non-empty. |
|
621
|
|
|
*/ |
|
622
|
|
|
if (0 < \mb_strlen($query_buf) && \strspn($query_buf, " \t\n\r") !== \mb_strlen($query_buf)) { |
|
623
|
|
|
// Execute the query |
|
624
|
|
|
$res = \pg_query($conn, $query_buf); |
|
625
|
|
|
|
|
626
|
|
|
// Call the callback function for display |
|
627
|
|
|
if (null !== $callback) { |
|
628
|
|
|
$callback($query_buf, $res, $lineno); |
|
629
|
|
|
} |
|
630
|
|
|
|
|
631
|
|
|
// Check for COPY request |
|
632
|
|
|
if (4 === \pg_result_status($res)) { |
|
633
|
|
|
// 4 == PGSQL_COPY_FROM |
|
634
|
|
|
while (!\feof($fd)) { |
|
635
|
|
|
$copy = \fgets($fd, 32768); |
|
636
|
|
|
++$lineno; |
|
637
|
|
|
\pg_put_line($conn, $copy); |
|
638
|
|
|
|
|
639
|
|
|
if ("\\.\n" === $copy || "\\.\r\n" === $copy) { |
|
640
|
|
|
\pg_end_copy($conn); |
|
641
|
|
|
|
|
642
|
|
|
break; |
|
643
|
|
|
} |
|
644
|
|
|
} |
|
645
|
|
|
} |
|
646
|
|
|
} |
|
647
|
|
|
|
|
648
|
|
|
\fclose($fd); |
|
649
|
|
|
|
|
650
|
|
|
return $res; |
|
651
|
|
|
} |
|
652
|
|
|
|
|
653
|
|
|
// Capabilities |
|
654
|
|
|
|
|
655
|
|
|
/** |
|
656
|
|
|
* Returns a recordset of all columns in a query. Supports paging. |
|
657
|
|
|
* |
|
658
|
|
|
* @param string $type Either 'QUERY' if it is an SQL query, or 'TABLE' if it is a table identifier, |
|
659
|
|
|
* or 'SELECT" if it's a select query |
|
660
|
|
|
* @param string $table The base table of the query. NULL for no table. |
|
661
|
|
|
* @param string $query The query that is being executed. NULL for no query. |
|
662
|
|
|
* @param string $sortkey The column number to sort by, or '' or null for no sorting |
|
663
|
|
|
* @param string $sortdir The direction in which to sort the specified column ('asc' or 'desc') |
|
664
|
|
|
* @param null|int $page The page of the relation to retrieve |
|
665
|
|
|
* @param null|int $page_size The number of rows per page |
|
666
|
|
|
* @param int $max_pages (return-by-ref) The max number of pages in the relation |
|
667
|
|
|
* |
|
668
|
|
|
* @return int|\PHPPgAdmin\ADORecordSet A recordset on success or an int with error code |
|
669
|
|
|
* - -1 transaction error |
|
670
|
|
|
* - -2 counting error |
|
671
|
|
|
* - -3 page or page_size invalid |
|
672
|
|
|
* - -4 unknown type |
|
673
|
|
|
* - -5 failed setting transaction read only |
|
674
|
|
|
*/ |
|
675
|
|
|
public function browseQuery($type, $table, $query, $sortkey, $sortdir, $page, $page_size, &$max_pages) |
|
676
|
|
|
{ |
|
677
|
|
|
// Check that we're not going to divide by zero |
|
678
|
|
|
if (!\is_numeric($page_size) || (int) $page_size !== $page_size || 0 >= $page_size) { |
|
679
|
|
|
return -3; |
|
680
|
|
|
} |
|
681
|
|
|
|
|
682
|
|
|
// If $type is TABLE, then generate the query |
|
683
|
|
|
switch ($type) { |
|
684
|
|
|
case 'TABLE': |
|
685
|
|
|
if (\preg_match('/^[0-9]+$/', $sortkey) && 0 < $sortkey) { |
|
686
|
|
|
$orderby = [$sortkey => $sortdir]; |
|
687
|
|
|
} else { |
|
688
|
|
|
$orderby = []; |
|
689
|
|
|
} |
|
690
|
|
|
|
|
691
|
|
|
$query = $this->getSelectSQL($table, [], [], [], $orderby); |
|
692
|
|
|
|
|
693
|
|
|
break; |
|
694
|
|
|
case 'QUERY': |
|
695
|
|
|
case 'SELECT': |
|
696
|
|
|
// Trim query |
|
697
|
|
|
$query = \trim($query); |
|
698
|
|
|
// Trim off trailing semi-colon if there is one |
|
699
|
|
|
if (';' === \mb_substr($query, \mb_strlen($query) - 1, 1)) { |
|
700
|
|
|
$query = \mb_substr($query, 0, \mb_strlen($query) - 1); |
|
701
|
|
|
} |
|
702
|
|
|
|
|
703
|
|
|
break; |
|
704
|
|
|
|
|
705
|
|
|
default: |
|
706
|
|
|
return -4; |
|
707
|
|
|
} |
|
708
|
|
|
|
|
709
|
|
|
// Generate count query |
|
710
|
|
|
$count = "SELECT COUNT(*) AS total FROM ({$query}) AS sub"; |
|
711
|
|
|
|
|
712
|
|
|
// Open a transaction |
|
713
|
|
|
$status = $this->beginTransaction(); |
|
714
|
|
|
|
|
715
|
|
|
if (0 !== $status) { |
|
716
|
|
|
return -1; |
|
717
|
|
|
} |
|
718
|
|
|
|
|
719
|
|
|
// If backend supports read only queries, then specify read only mode |
|
720
|
|
|
// to avoid side effects from repeating queries that do writes. |
|
721
|
|
|
if ($this->hasReadOnlyQueries()) { |
|
722
|
|
|
$status = $this->execute('SET TRANSACTION READ ONLY'); |
|
723
|
|
|
|
|
724
|
|
|
if (0 !== $status) { |
|
725
|
|
|
$this->rollbackTransaction(); |
|
726
|
|
|
|
|
727
|
|
|
return -5; |
|
728
|
|
|
} |
|
729
|
|
|
} |
|
730
|
|
|
|
|
731
|
|
|
// Count the number of rows |
|
732
|
|
|
$total = $this->browseQueryCount($count); |
|
733
|
|
|
|
|
734
|
|
|
if (0 > $total) { |
|
735
|
|
|
$this->rollbackTransaction(); |
|
736
|
|
|
|
|
737
|
|
|
return -2; |
|
738
|
|
|
} |
|
739
|
|
|
|
|
740
|
|
|
// Calculate max pages |
|
741
|
|
|
$max_pages = \ceil($total / $page_size); |
|
742
|
|
|
|
|
743
|
|
|
// Check that page is less than or equal to max pages |
|
744
|
|
|
if (!\is_numeric($page) || (int) $page !== $page || $page > $max_pages || 1 > $page) { |
|
745
|
|
|
$this->rollbackTransaction(); |
|
746
|
|
|
|
|
747
|
|
|
return -3; |
|
748
|
|
|
} |
|
749
|
|
|
|
|
750
|
|
|
// Set fetch mode to NUM so that duplicate field names are properly returned |
|
751
|
|
|
// for non-table queries. Since the SELECT feature only allows selecting one |
|
752
|
|
|
// table, duplicate fields shouldn't appear. |
|
753
|
|
|
if ('QUERY' === $type) { |
|
754
|
|
|
$this->conn->setFetchMode(ADODB_FETCH_NUM); |
|
|
|
|
|
|
755
|
|
|
} |
|
756
|
|
|
|
|
757
|
|
|
// Figure out ORDER BY. Sort key is always the column number (based from one) |
|
758
|
|
|
// of the column to order by. Only need to do this for non-TABLE queries |
|
759
|
|
|
if ('TABLE' !== $type && \preg_match('/^[0-9]+$/', $sortkey) && 0 < $sortkey) { |
|
760
|
|
|
$orderby = " ORDER BY {$sortkey}"; |
|
761
|
|
|
// Add sort order |
|
762
|
|
|
if ('desc' === $sortdir) { |
|
763
|
|
|
$orderby .= ' DESC'; |
|
764
|
|
|
} else { |
|
765
|
|
|
$orderby .= ' ASC'; |
|
766
|
|
|
} |
|
767
|
|
|
} else { |
|
768
|
|
|
$orderby = ''; |
|
769
|
|
|
} |
|
770
|
|
|
|
|
771
|
|
|
// Actually retrieve the rows, with offset and limit |
|
772
|
|
|
$rs = $this->selectSet("SELECT * FROM ({$query}) AS sub {$orderby} LIMIT {$page_size} OFFSET " . ($page - 1) * $page_size); |
|
773
|
|
|
$status = $this->endTransaction(); |
|
774
|
|
|
|
|
775
|
|
|
if (0 !== $status) { |
|
776
|
|
|
$this->rollbackTransaction(); |
|
777
|
|
|
|
|
778
|
|
|
return -1; |
|
779
|
|
|
} |
|
780
|
|
|
|
|
781
|
|
|
return $rs; |
|
782
|
|
|
} |
|
783
|
|
|
|
|
784
|
|
|
/** |
|
785
|
|
|
* Generates the SQL for the 'select' function. |
|
786
|
|
|
* |
|
787
|
|
|
* @param string $table The table from which to select |
|
788
|
|
|
* @param array $show An array of columns to show. Empty array means all columns. |
|
789
|
|
|
* @param array $values An array mapping columns to values |
|
790
|
|
|
* @param array $ops An array of the operators to use |
|
791
|
|
|
* @param array $orderby (optional) An array of column numbers or names (one based) |
|
792
|
|
|
* mapped to sort direction (asc or desc or '' or null) to order by |
|
793
|
|
|
* |
|
794
|
|
|
* @return string The SQL query |
|
795
|
|
|
*/ |
|
796
|
|
|
public function getSelectSQL($table, $show, $values = [], $ops = [], $orderby = []) |
|
797
|
|
|
{ |
|
798
|
|
|
$this->fieldArrayClean($show); |
|
799
|
|
|
|
|
800
|
|
|
// If an empty array is passed in, then show all columns |
|
801
|
|
|
if (0 === \count($show)) { |
|
802
|
|
|
if ($this->hasObjectID($table)) { |
|
803
|
|
|
$sql = "SELECT \"{$this->id}\", * FROM "; |
|
804
|
|
|
} else { |
|
805
|
|
|
$sql = 'SELECT * FROM '; |
|
806
|
|
|
} |
|
807
|
|
|
} else { |
|
808
|
|
|
// Add oid column automatically to results for editing purposes |
|
809
|
|
|
if (!\in_array($this->id, $show, true) && $this->hasObjectID($table)) { |
|
810
|
|
|
$sql = "SELECT \"{$this->id}\", \""; |
|
811
|
|
|
} else { |
|
812
|
|
|
$sql = 'SELECT "'; |
|
813
|
|
|
} |
|
814
|
|
|
|
|
815
|
|
|
$sql .= \implode('","', $show) . '" FROM '; |
|
816
|
|
|
} |
|
817
|
|
|
$this->prtrace(['id' => $this->id]); |
|
818
|
|
|
$this->fieldClean($table); |
|
819
|
|
|
|
|
820
|
|
|
if (isset($_REQUEST['schema'])) { |
|
821
|
|
|
$f_schema = $_REQUEST['schema']; |
|
822
|
|
|
$this->fieldClean($f_schema); |
|
823
|
|
|
$sql .= "\"{$f_schema}\"."; |
|
824
|
|
|
} |
|
825
|
|
|
$sql .= "\"{$table}\""; |
|
826
|
|
|
|
|
827
|
|
|
// If we have values specified, add them to the WHERE clause |
|
828
|
|
|
$first = true; |
|
829
|
|
|
|
|
830
|
|
|
if (\is_array($values) && 0 < \count($values)) { |
|
831
|
|
|
foreach ($values as $k => $v) { |
|
832
|
|
|
if ('' !== $v || 'p' === $this->selectOps[$ops[$k]]) { |
|
833
|
|
|
$this->fieldClean($k); |
|
834
|
|
|
|
|
835
|
|
|
if ($first) { |
|
836
|
|
|
$sql .= ' WHERE '; |
|
837
|
|
|
$first = false; |
|
838
|
|
|
} else { |
|
839
|
|
|
$sql .= ' AND '; |
|
840
|
|
|
} |
|
841
|
|
|
// Different query format depending on operator type |
|
842
|
|
|
switch ($this->selectOps[$ops[$k]]) { |
|
843
|
|
|
case 'i': |
|
844
|
|
|
// Only clean the field for the inline case |
|
845
|
|
|
// this is because (x), subqueries need to |
|
846
|
|
|
// to allow 'a','b' as input. |
|
847
|
|
|
$this->clean($v); |
|
848
|
|
|
$sql .= "\"{$k}\" {$ops[$k]} '{$v}'"; |
|
849
|
|
|
|
|
850
|
|
|
break; |
|
851
|
|
|
case 'p': |
|
852
|
|
|
$sql .= "\"{$k}\" {$ops[$k]}"; |
|
853
|
|
|
|
|
854
|
|
|
break; |
|
855
|
|
|
case 'x': |
|
856
|
|
|
$sql .= "\"{$k}\" {$ops[$k]} ({$v})"; |
|
857
|
|
|
|
|
858
|
|
|
break; |
|
859
|
|
|
case 't': |
|
860
|
|
|
$sql .= "\"{$k}\" {$ops[$k]}('{$v}')"; |
|
861
|
|
|
|
|
862
|
|
|
break; |
|
863
|
|
|
|
|
864
|
|
|
default: |
|
865
|
|
|
// Shouldn't happen |
|
866
|
|
|
} |
|
867
|
|
|
} |
|
868
|
|
|
} |
|
869
|
|
|
} |
|
870
|
|
|
|
|
871
|
|
|
// ORDER BY |
|
872
|
|
|
if (\is_array($orderby) && 0 < \count($orderby)) { |
|
873
|
|
|
$sql .= ' ORDER BY '; |
|
874
|
|
|
$first = true; |
|
875
|
|
|
|
|
876
|
|
|
foreach ($orderby as $k => $v) { |
|
877
|
|
|
if ($first) { |
|
878
|
|
|
$first = false; |
|
879
|
|
|
} else { |
|
880
|
|
|
$sql .= ', '; |
|
881
|
|
|
} |
|
882
|
|
|
|
|
883
|
|
|
if (\preg_match('/^[0-9]+$/', $k)) { |
|
884
|
|
|
$sql .= $k; |
|
885
|
|
|
} else { |
|
886
|
|
|
$this->fieldClean($k); |
|
887
|
|
|
$sql .= '"' . $k . '"'; |
|
888
|
|
|
} |
|
889
|
|
|
|
|
890
|
|
|
if ('DESC' === \mb_strtoupper($v)) { |
|
891
|
|
|
$sql .= ' DESC'; |
|
892
|
|
|
} |
|
893
|
|
|
} |
|
894
|
|
|
} |
|
895
|
|
|
|
|
896
|
|
|
return $sql; |
|
897
|
|
|
} |
|
898
|
|
|
|
|
899
|
|
|
/** |
|
900
|
|
|
* Finds the number of rows that would be returned by a |
|
901
|
|
|
* query. |
|
902
|
|
|
* |
|
903
|
|
|
* @param string $count The count query |
|
904
|
|
|
* |
|
905
|
|
|
* @return int|string The count of rows or -1 of no rows are found |
|
906
|
|
|
*/ |
|
907
|
|
|
public function browseQueryCount($count) |
|
908
|
|
|
{ |
|
909
|
|
|
return $this->selectField($count, 'total'); |
|
910
|
|
|
} |
|
911
|
|
|
|
|
912
|
|
|
/** |
|
913
|
|
|
* A private helper method for executeScript that advances the |
|
914
|
|
|
* character by 1. In psql this is careful to take into account |
|
915
|
|
|
* multibyte languages, but we don't at the moment, so this function |
|
916
|
|
|
* is someone redundant, since it will always advance by 1. |
|
917
|
|
|
* |
|
918
|
|
|
* @param int $i The current character position in the line |
|
919
|
|
|
* @param int $prevlen Length of previous character (ie. 1) |
|
920
|
|
|
* @param int $thislen Length of current character (ie. 1) |
|
921
|
|
|
*/ |
|
922
|
|
|
protected function advance_1(&$i, &$prevlen, &$thislen): void |
|
|
|
|
|
|
923
|
|
|
{ |
|
924
|
|
|
$prevlen = $thislen; |
|
925
|
|
|
$i += $thislen; |
|
926
|
|
|
$thislen = 1; |
|
927
|
|
|
} |
|
928
|
|
|
|
|
929
|
|
|
/** |
|
930
|
|
|
* Private helper method to detect a valid $foo$ quote delimiter at |
|
931
|
|
|
* the start of the parameter dquote. |
|
932
|
|
|
* |
|
933
|
|
|
* @param string $dquote |
|
934
|
|
|
* |
|
935
|
|
|
* @return bool true if valid, false otherwise |
|
936
|
|
|
*/ |
|
937
|
|
|
protected function valid_dolquote($dquote) |
|
|
|
|
|
|
938
|
|
|
{ |
|
939
|
|
|
// XXX: support multibyte |
|
940
|
|
|
return \preg_match('/^[$][$]/', $dquote) || \preg_match('/^[$][_[:alpha:]][_[:alnum:]]*[$]/', $dquote); |
|
941
|
|
|
} |
|
942
|
|
|
} |
|
943
|
|
|
|
HuasoFoundries /
phpPgAdmin6
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