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<?php /** * @package Joomla.Platform * @subpackage Database * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE */ defined('JPATH_PLATFORM') or die; /** * PostgreSQL export driver. * * @since 3.0.0 * @deprecated 4.0 Use PDO PostgreSQL instead * * @property-read JDatabaseDriverPostgresql $db The database connector to use for exporting structure and/or data. */ class JDatabaseExporterPostgresql extends JDatabaseExporter { /** * Builds the XML data for the tables to export. * * @return string An XML string * * @since 3.0.0 * @throws Exception if an error occurs. */ protected function buildXml() { $buffer = array(); $buffer[] = '<?xml version="1.0"?>'; $buffer[] = '<postgresqldump xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">'; $buffer[] = ' <database name="">'; $buffer = array_merge($buffer, $this->buildXmlStructure()); $buffer[] = ' </database>'; $buffer[] = '</postgresqldump>'; return implode("\n", $buffer); } /** * Builds the XML structure to export. * * @return array An array of XML lines (strings). * * @since 3.0.0 * @throws Exception if an error occurs. */ protected function buildXmlStructure() { $buffer = array(); foreach ($this->from as $table) { // Replace the magic prefix if found. $table = $this->getGenericTableName($table); // Get the details columns information. $fields = $this->db->getTableColumns($table, false); $keys = $this->db->getTableKeys($table); $sequences = $this->db->getTableSequences($table); $buffer[] = ' <table_structure name="' . $table . '">'; foreach ($sequences as $sequence) { if (version_compare($this->db->getVersion(), '9.1.0') < 0) { $sequence->start_value = null; } $buffer[] = ' <sequence Name="' . $sequence->sequence . '"' . ' Schema="' . $sequence->schema . '"' . ' Table="' . $sequence->table . '"' . ' Column="' . $sequence->column . '"' . ' Type="' . $sequence->data_type . '"' . ' Start_Value="' . $sequence->start_value . '"' . ' Min_Value="' . $sequence->minimum_value . '"' . ' Max_Value="' . $sequence->maximum_value . '"' . ' Increment="' . $sequence->increment . '"' . ' Cycle_option="' . $sequence->cycle_option . '"' . ' />'; } foreach ($fields as $field) { $buffer[] = ' <field Field="' . $field->column_name . '"' . ' Type="' . $field->type . '"' . ' Null="' . $field->null . '"' . (isset($field->default) ? ' Default="' . $field->default . '"' : '') . ' Comments="' . $field->comments . '"' . ' />'; } foreach ($keys as $key) { $buffer[] = ' <key Index="' . $key->idxName . '"' . ' is_primary="' . $key->isPrimary . '"' . ' is_unique="' . $key->isUnique . '"' . ' Query="' . $key->Query . '" />'; } $buffer[] = ' </table_structure>'; } return $buffer; } /** * Checks if all data and options are in order prior to exporting. * * @return JDatabaseExporterPostgresql Method supports chaining. * * @since 3.0.0 * @throws Exception if an error is encountered. */ public function check() { // Check if the db connector has been set. if (!($this->db instanceof JDatabaseDriverPostgresql)) { throw new Exception('JPLATFORM_ERROR_DATABASE_CONNECTOR_WRONG_TYPE'); } // Check if the tables have been specified. if (empty($this->from)) { throw new Exception('JPLATFORM_ERROR_NO_TABLES_SPECIFIED'); } return $this; } }
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