| 1: | <?php
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| 2: | namespace Opencart\System\Library\DB;
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| 3: | |
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| 8: | class PgSQL {
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| 9: | |
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| 11: |
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| 12: | private $connection;
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| 23: | public function __construct(string $hostname, string $username, string $password, string $database, string $port = '') {
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| 24: | if (!$port) {
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| 25: | $port = '5432';
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| 26: | }
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| 27: |
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| 28: | try {
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| 29: | $pg = @pg_connect('host=' . $hostname . ' port=' . $port . ' user=' . $username . ' password=' . $password . ' dbname=' . $database . ' options=\'--client_encoding=UTF8\' ');
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| 30: | } catch (\Exception $e) {
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| 31: | throw new \Exception('Error: Could not make a database link using ' . $username . '@' . $hostname);
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| 32: | }
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| 33: |
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| 34: | if ($pg) {
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| 35: | $this->connection = $pg;
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| 36: | pg_query($this->connection, "SET CLIENT_ENCODING TO 'UTF8'");
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| 37: |
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| 38: |
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| 39: | pg_query($this->connection, "SET TIMEZONE = '" . $this->escape(date('P')) . "'");
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| 40: | }
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| 41: | }
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| 50: | public function query(string $sql): \stdClass {
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| 51: | $resource = pg_query($this->connection, $sql);
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| 52: |
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| 53: | if ($resource === false) {
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| 54: | throw new \Exception('Error: ' . pg_last_error($this->connection) . '<br/>' . $sql);
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| 55: | }
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| 56: |
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| 57: | $data = [];
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| 58: |
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| 59: | while ($result = pg_fetch_assoc($resource)) {
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| 60: | $data[] = $result;
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| 61: | }
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| 62: |
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| 63: | pg_free_result($resource);
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| 64: |
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| 65: | $query = new \stdClass();
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| 66: | $query->row = $data[0] ?? [];
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| 67: | $query->rows = $data;
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| 68: | $query->num_rows = count($data);
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| 69: |
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| 70: | return $query;
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| 71: | }
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| 80: | public function escape(string $value): string {
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| 81: | return pg_escape_string($this->connection, $value);
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| 82: | }
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| 89: | public function countAffected(): int {
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| 90: | return pg_affected_rows($this->connection);
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| 91: | }
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| 98: | public function getLastId(): int {
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| 99: | $query = $this->query("SELECT LASTVAL() AS `id`");
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| 100: |
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| 101: | return $query->row['id'];
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| 102: | }
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| 103: |
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| 109: | public function isConnected(): bool {
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| 110: | return pg_connection_status($this->connection) == PGSQL_CONNECTION_OK;
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| 111: | }
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| 118: | public function __destruct() {
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| 119: | if ($this->connection) {
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| 120: | pg_close($this->connection);
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| 121: |
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| 122: | $this->connection = null;
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| 123: | }
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| 124: | }
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| 125: | }
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| 126: | |