86 行
1.7 KiB
PHP
86 行
1.7 KiB
PHP
<?php
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class Db_Pgsql implements IDb {
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private $link;
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function connect($host, $user, $pass, $db, $port) {
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$string = "dbname=$db user=$user";
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if ($pass) {
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$string .= " password=$pass";
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}
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if ($host) {
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$string .= " host=$host";
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}
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if (is_numeric($port) && $port > 0) {
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$string = "$string port=" . $port;
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}
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$this->link = pg_connect($string);
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if (!$this->link) {
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die("Unable to connect to database (as $user to $host, database $db):" . pg_last_error());
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}
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$this->init();
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return $this->link;
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}
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function escape_string($s, $strip_tags = true) {
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if ($strip_tags) $s = strip_tags($s);
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return pg_escape_string($s);
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}
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function query($query, $die_on_error = true) {
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$result = @pg_query($this->link, $query);
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if (!$result) {
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$error = @pg_last_error($this->link);
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@pg_query($this->link, "ROLLBACK");
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$query = htmlspecialchars($query); // just in case
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user_error("Query $query failed: " . ($this->link ? $error : "No connection"),
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$die_on_error ? E_USER_ERROR : E_USER_WARNING);
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}
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return $result;
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}
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function fetch_assoc($result) {
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return pg_fetch_assoc($result);
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}
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function num_rows($result) {
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return pg_num_rows($result);
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}
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function fetch_result($result, $row, $param) {
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return pg_fetch_result($result, $row, $param);
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}
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function close() {
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return pg_close($this->link);
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}
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function affected_rows($result) {
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return pg_affected_rows($result);
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}
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function last_error() {
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return pg_last_error($this->link);
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}
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function init() {
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$this->query("set client_encoding = 'UTF-8'");
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pg_set_client_encoding("UNICODE");
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$this->query("set datestyle = 'ISO, european'");
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$this->query("set TIME ZONE 0");
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$this->query("set cpu_tuple_cost = 0.5");
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return true;
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}
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}
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?>
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