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<?php
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/**
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* PostgreSQL 8.0 support
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*
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* $Id: Postgres80.php,v 1.28 2007/12/12 04:11:10 xzilla Exp $
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*/
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include_once('./classes/database/Postgres81.php');
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class Postgres80 extends Postgres81 {
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var $major_version = 8.0;
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// Map of database encoding names to HTTP encoding names. If a
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// database encoding does not appear in this list, then its HTTP
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// encoding name is the same as its database encoding name.
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var $codemap = array(
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'ALT' => 'CP866',
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'EUC_CN' => 'GB2312',
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'EUC_JP' => 'EUC-JP',
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'EUC_KR' => 'EUC-KR',
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'EUC_TW' => 'EUC-TW',
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'ISO_8859_5' => 'ISO-8859-5',
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'ISO_8859_6' => 'ISO-8859-6',
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'ISO_8859_7' => 'ISO-8859-7',
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'ISO_8859_8' => 'ISO-8859-8',
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'JOHAB' => 'CP1361',
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'KOI8' => 'KOI8-R',
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'LATIN1' => 'ISO-8859-1',
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'LATIN2' => 'ISO-8859-2',
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'LATIN3' => 'ISO-8859-3',
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'LATIN4' => 'ISO-8859-4',
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// The following encoding map is a known error in PostgreSQL < 7.2
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// See the constructor for Postgres72.
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'LATIN5' => 'ISO-8859-5',
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'LATIN6' => 'ISO-8859-10',
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'LATIN7' => 'ISO-8859-13',
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'LATIN8' => 'ISO-8859-14',
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'LATIN9' => 'ISO-8859-15',
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'LATIN10' => 'ISO-8859-16',
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'SQL_ASCII' => 'US-ASCII',
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'TCVN' => 'CP1258',
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'UNICODE' => 'UTF-8',
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'WIN' => 'CP1251',
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'WIN874' => 'CP874',
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'WIN1256' => 'CP1256'
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);
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/**
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* Constructor
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* @param $conn The database connection
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*/
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function Postgres80($conn) {
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$this->Postgres81($conn);
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}
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// Help functions
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function getHelpPages() {
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include_once('./help/PostgresDoc80.php');
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return $this->help_page;
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}
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// Database functions
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/**
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* Return all database available on the server
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* @return A list of databases, sorted alphabetically
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*/
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function getDatabases($currentdatabase = NULL) {
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global $conf, $misc;
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$server_info = $misc->getServerInfo();
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if (isset($conf['owned_only']) && $conf['owned_only'] && !$this->isSuperUser($server_info['username'])) {
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$username = $server_info['username'];
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$this->clean($username);
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$clause = " AND pu.usename='{$username}'";
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}
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else $clause = '';
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if ($currentdatabase != NULL) {
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$this->clean($currentdatabase);
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$orderby = "ORDER BY pdb.datname = '{$currentdatabase}' DESC, pdb.datname";
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}
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else
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$orderby = "ORDER BY pdb.datname";
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if (!$conf['show_system'])
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$where = ' AND NOT pdb.datistemplate';
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else
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$where = ' AND pdb.datallowconn';
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$sql = "SELECT pdb.datname AS datname, pu.usename AS datowner, pg_encoding_to_char(encoding) AS datencoding,
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(SELECT description FROM pg_description pd WHERE pdb.oid=pd.objoid) AS datcomment,
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(SELECT spcname FROM pg_catalog.pg_tablespace pt WHERE pt.oid=pdb.dattablespace) AS tablespace
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FROM pg_database pdb, pg_user pu
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WHERE pdb.datdba = pu.usesysid
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{$where}
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{$clause}
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{$orderby}";
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return $this->selectSet($sql);
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}
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// Schema functions
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/**
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* Return all schemas in the current database.
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* @return All schemas, sorted alphabetically
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*/
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function getSchemas() {
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global $conf, $slony;
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if (!$conf['show_system']) {
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$where = "WHERE nspname NOT LIKE 'pg@_%' ESCAPE '@' AND nspname != 'information_schema'";
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if (isset($slony) && $slony->isEnabled()) {
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$temp = $slony->slony_schema;
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$this->clean($temp);
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$where .= " AND nspname != '{$temp}'";
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}
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}
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else $where = "WHERE nspname !~ '^pg_t(emp_[0-9]+|oast)$'";
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$sql = "
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SELECT pn.nspname, pu.usename AS nspowner,
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pg_catalog.obj_description(pn.oid, 'pg_namespace') AS nspcomment
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FROM pg_catalog.pg_namespace pn
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LEFT JOIN pg_catalog.pg_user pu ON (pn.nspowner = pu.usesysid)
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{$where}
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ORDER BY nspname";
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return $this->selectSet($sql);
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}
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/**
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* Return all information relating to a schema
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* @param $schema The name of the schema
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* @return Schema information
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*/
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function getSchemaByName($schema) {
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$this->clean($schema);
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$sql = "
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SELECT nspname, nspowner, u.usename AS ownername, nspacl,
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pg_catalog.obj_description(pn.oid, 'pg_namespace') as nspcomment
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FROM pg_catalog.pg_namespace pn
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LEFT JOIN pg_shadow as u ON pn.nspowner = u.usesysid
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WHERE nspname='{$schema}'";
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return $this->selectSet($sql);
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}
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// Table functions
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/**
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* Protected method which alter a table
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* SHOULDN'T BE CALLED OUTSIDE OF A TRANSACTION
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* @param $tblrs The table recordSet returned by getTable()
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* @param $name The new name for the table
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* @param $owner The new owner for the table
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* @param $schema The new schema for the table
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* @param $comment The comment on the table
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* @param $tablespace The new tablespace for the table ('' means leave as is)
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* @return 0 success
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* @return -3 rename error
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* @return -4 comment error
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* @return -5 owner error
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* @return -6 tablespace error
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*/
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protected
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function _alterTable($tblrs, $name, $owner, $schema, $comment, $tablespace) {
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/* $schema not supported in pg80- */
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// Comment
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$status = $this->setComment('TABLE', '', $tblrs->fields['relname'], $comment);
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if ($status != 0) return -4;
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// Owner
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$this->fieldClean($owner);
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$status = $this->alterTableOwner($tblrs, $owner);
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if ($status != 0) return -5;
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// Tablespace
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$this->fieldClean($tablespace);
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$status = $this->alterTableTablespace($tblrs, $tablespace);
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if ($status != 0) return -6;
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// Rename
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$this->fieldClean($name);
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$status = $this->alterTableName($tblrs, $name);
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if ($status != 0) return -3;
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return 0;
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}
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// View functions
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/**
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* Protected method which alter a view
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* SHOULDN'T BE CALLED OUTSIDE OF A TRANSACTION
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* @param $vwrs The view recordSet returned by getView()
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* @param $name The new name for the view
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* @param $owner The new owner for the view
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* @param $comment The comment on the view
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* @return 0 success
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* @return -3 rename error
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* @return -4 comment error
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* @return -5 owner error
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*/
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protected
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function _alterView($vwrs, $name, $owner, $schema, $comment) {
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/* $schema not supported in pg80- */
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$this->fieldArrayClean($vwrs->fields);
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// Comment
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if ($this->setComment('VIEW', $vwrs->fields['relname'], '', $comment) != 0)
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return -4;
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// Owner
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$this->fieldClean($owner);
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$status = $this->alterViewOwner($vwrs, $owner);
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if ($status != 0) return -5;
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// Rename
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$this->fieldClean($name);
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$status = $this->alterViewName($vwrs, $name);
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if ($status != 0) return -3;
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return 0;
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}
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// Sequence functions
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/**
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* Protected method which alter a sequence
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* SHOULDN'T BE CALLED OUTSIDE OF A TRANSACTION
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* @param $seqrs The sequence recordSet returned by getSequence()
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* @param $name The new name for the sequence
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* @param $comment The comment on the sequence
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* @param $owner The new owner for the sequence
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* @param $schema The new schema for the sequence
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* @param $increment The increment
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* @param $minvalue The min value
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* @param $maxvalue The max value
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* @param $restartvalue The starting value
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* @param $cachevalue The cache value
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* @param $cycledvalue True if cycled, false otherwise
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* @param $startvalue The sequence start value when issueing a restart
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* @return 0 success
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* @return -3 rename error
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* @return -4 comment error
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* @return -5 owner error
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* @return -6 get sequence props error
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* @return -7 schema error
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*/
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protected
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function _alterSequence($seqrs, $name, $comment, $owner, $schema, $increment,
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$minvalue, $maxvalue, $restartvalue, $cachevalue, $cycledvalue, $startvalue) {
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/* $schema not supported in pg80- */
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$this->fieldArrayClean($seqrs->fields);
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// Comment
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$status = $this->setComment('SEQUENCE', $seqrs->fields['seqname'], '', $comment);
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if ($status != 0)
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return -4;
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// Owner
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$this->fieldClean($owner);
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$status = $this->alterSequenceOwner($seqrs, $owner);
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if ($status != 0)
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return -5;
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// Props
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$this->clean($increment);
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$this->clean($minvalue);
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$this->clean($maxvalue);
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$this->clean($restartvalue);
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$this->clean($cachevalue);
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$this->clean($cycledvalue);
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$this->clean($startvalue);
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$status = $this->alterSequenceProps($seqrs, $increment, $minvalue,
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$maxvalue, $restartvalue, $cachevalue, $cycledvalue, null);
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if ($status != 0)
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return -6;
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// Rename
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$this->fieldClean($name);
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$status = $this->alterSequenceName($seqrs, $name);
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if ($status != 0)
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return -3;
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return 0;
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}
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// Role, User/group functions
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/**
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* Changes a user's password
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* @param $username The username
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* @param $password The new password
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* @return 0 success
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*/
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function changePassword($username, $password) {
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$enc = $this->_encryptPassword($username, $password);
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$this->fieldClean($username);
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$this->clean($enc);
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$sql = "ALTER USER \"{$username}\" WITH ENCRYPTED PASSWORD '{$enc}'";
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return $this->execute($sql);
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}
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// Aggregate functions
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/**
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* Gets all information for an aggregate
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* @param $name The name of the aggregate
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* @param $basetype The input data type of the aggregate
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* @return A recordset
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*/
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function getAggregate($name, $basetype) {
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$c_schema = $this->_schema;
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$this->clean($c_schema);
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$this->clean($name);
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$this->clean($basetype);
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$sql = "
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SELECT p.proname,
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CASE p.proargtypes[0]
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WHEN 'pg_catalog.\"any\"'::pg_catalog.regtype THEN NULL
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ELSE pg_catalog.format_type(p.proargtypes[0], NULL)
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END AS proargtypes, a.aggtransfn, format_type(a.aggtranstype, NULL) AS aggstype,
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a.aggfinalfn, a.agginitval, u.usename, pg_catalog.obj_description(p.oid, 'pg_proc') AS aggrcomment
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FROM pg_catalog.pg_proc p, pg_catalog.pg_namespace n, pg_catalog.pg_user u, pg_catalog.pg_aggregate a
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WHERE n.oid = p.pronamespace AND p.proowner=u.usesysid AND p.oid=a.aggfnoid
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AND p.proisagg AND n.nspname='{$c_schema}'
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AND p.proname='{$name}'
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AND CASE p.proargtypes[0]
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WHEN 'pg_catalog.\"any\"'::pg_catalog.regtype THEN ''
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ELSE pg_catalog.format_type(p.proargtypes[0], NULL)
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END ='{$basetype}'";
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return $this->selectSet($sql);
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}
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// Capabilities
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function hasAggregateSortOp() { return false; }
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function hasAlterTableSchema() { return false; }
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function hasAutovacuum() { return false; }
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function hasDisableTriggers() { return false; }
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function hasFunctionAlterSchema() { return false; }
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function hasPreparedXacts() { return false; }
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function hasRoles() { return false; }
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function hasAlterSequenceSchema() { return false; }
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function hasServerAdminFuncs() { return false; }
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}
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?>
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