--- /dev/null
+<?php
+
+namespace Drush\Sql;
+
+define('PSQL_SHOW_TABLES', "SELECT tablename FROM pg_tables WHERE schemaname='public';");
+
+class SqlPgsql extends SqlBase
+{
+
+ public $queryExtra = "--no-align --field-separator=\"\t\" --pset tuples_only=on";
+
+ public $queryFile = "--file";
+
+ private $password_file = null;
+
+ private function createPasswordFile()
+ {
+ $dbSpec = $this->getDbSpec();
+ if (null == ($this->getPasswordFile()) && isset($dbSpec['password'])) {
+ $pgpass_parts = [
+ empty($dbSpec['host']) ? 'localhost' : $dbSpec['host'],
+ empty($dbSpec['port']) ? '5432' : $dbSpec['port'],
+ // Database
+ '*',
+ $dbSpec['username'],
+ $dbSpec['password']
+ ];
+ // Escape colon and backslash characters in entries.
+ // @see http://www.postgresql.org/docs/9.1/static/libpq-pgpass.html
+ array_walk($pgpass_parts, function (&$part) {
+ // The order of the replacements is important so that backslashes are
+ // not replaced twice.
+ $part = str_replace(['\\', ':'], ['\\\\', '\:'], $part);
+ });
+ $pgpass_contents = implode(':', $pgpass_parts);
+ $this->password_file = drush_save_data_to_temp_file($pgpass_contents);
+ chmod($this->password_file, 0600);
+ }
+ return $this->password_file;
+ }
+
+ public function command()
+ {
+ $environment = "";
+ $pw_file = $this->createPasswordFile();
+ if (isset($pw_file)) {
+ $environment = "PGPASSFILE={$pw_file} ";
+ }
+ return "{$environment}psql -q";
+ }
+
+ /*
+ * @param $hide_password
+ * Not used in postgres. Use .pgpass file instead. See http://drupal.org/node/438828.
+ */
+ public function creds($hide_password = true)
+ {
+ $dbSpec = $this->getDbSpec();
+ // Some drush commands (e.g. site-install) want to connect to the
+ // server, but not the database. Connect to the built-in database.
+ $parameters['dbname'] = empty($dbSpec['database']) ? 'template1' : $dbSpec['database'];
+
+ // Host and port are optional but have defaults.
+ $parameters['host'] = empty($dbSpec['host']) ? 'localhost' : $dbSpec['host'];
+ $parameters['port'] = empty($dbSpec['port']) ? '5432' : $dbSpec['port'];
+
+ // Username is required.
+ $parameters['username'] = $dbSpec['username'];
+
+ // Don't set the password.
+ // @see http://drupal.org/node/438828
+
+ return $this->paramsToOptions($parameters);
+ }
+
+ public function createdbSql($dbname, $quoted = false)
+ {
+ if ($quoted) {
+ $dbname = '"' . $dbname . '"';
+ }
+ $sql[] = sprintf('drop database if exists %s;', $dbname);
+ $sql[] = sprintf("create database %s ENCODING 'UTF8';", $dbname);
+ return implode(' ', $sql);
+ }
+
+ public function dbExists()
+ {
+ $dbSpec = $this->getDbSpec();
+ $database = $dbSpec['database'];
+ // Get a new class instance that has no 'database'.
+ $db_spec_no_db = $dbSpec;
+ unset($db_spec_no_db['database']);
+ $sql_no_db = new SqlPgsql($db_spec_no_db, $this->getOptions());
+ $query = "SELECT 1 AS result FROM pg_database WHERE datname='$database'";
+ drush_always_exec($sql_no_db->connect() . ' -t -c %s', $query);
+ $output = drush_shell_exec_output();
+ return (bool)$output[0];
+ }
+
+ public function queryFormat($query)
+ {
+ if (strtolower($query) == 'show tables;') {
+ return PSQL_SHOW_TABLES;
+ }
+ return $query;
+ }
+
+ public function listTables()
+ {
+ $return = $this->alwaysQuery(PSQL_SHOW_TABLES);
+ $tables = drush_shell_exec_output();
+ if (!empty($tables)) {
+ return $tables;
+ }
+ return [];
+ }
+
+ public function dumpCmd($table_selection)
+ {
+ $parens = false;
+ $skip_tables = $table_selection['skip'];
+ $structure_tables = $table_selection['structure'];
+ $tables = $table_selection['tables'];
+
+ $ignores = [];
+ $skip_tables = array_merge($structure_tables, $skip_tables);
+ $data_only = $this->getOption('data-only');
+
+ $create_db = $this->getOption('create-db');
+
+ $environment = "";
+ $pw_file = $this->createPasswordFile();
+ if (isset($pw_file)) {
+ $environment = "PGPASSFILE={$pw_file} ";
+ }
+ $exec = "{$environment}pg_dump ";
+ // Unlike psql, pg_dump does not take a '--dbname=' before the database name.
+ $extra = str_replace('--dbname=', ' ', $this->creds());
+ if (isset($data_only)) {
+ $extra .= ' --data-only';
+ }
+ if ($option = $this->getOption('extra-dump', $this->queryExtra)) {
+ $extra .= " $option";
+ }
+ $exec .= $extra;
+ $exec .= (!isset($create_db) && !isset($data_only) ? ' --clean' : '');
+
+ if (!empty($tables)) {
+ foreach ($tables as $table) {
+ $exec .= " --table=$table";
+ }
+ } else {
+ foreach ($skip_tables as $table) {
+ $ignores[] = "--exclude-table=$table";
+ }
+ $exec .= ' '. implode(' ', $ignores);
+ // Run pg_dump again and append output if we need some structure only tables.
+ if (!empty($structure_tables)) {
+ $parens = true;
+ $schemaonlies = [];
+ foreach ($structure_tables as $table) {
+ $schemaonlies[] = "--table=$table";
+ }
+ $exec .= " && pg_dump --schema-only " . implode(' ', $schemaonlies) . $extra;
+ $exec .= (!isset($create_db) && !isset($data_only) ? ' --clean' : '');
+ }
+ }
+ return $parens ? "($exec)" : $exec;
+ }
+
+ /**
+ * @return string|null
+ */
+ public function getPasswordFile()
+ {
+ return $this->password_file;
+ }
+}