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95947917 AD |
1 | <?php |
2 | class Db_Pgsql implements IDb { | |
3 | private $link; | |
977cea14 | 4 | private $last_error; |
95947917 AD |
5 | |
6 | function connect($host, $user, $pass, $db, $port) { | |
7 | $string = "dbname=$db user=$user"; | |
8 | ||
9 | if ($pass) { | |
10 | $string .= " password=$pass"; | |
11 | } | |
12 | ||
13 | if ($host) { | |
14 | $string .= " host=$host"; | |
15 | } | |
16 | ||
17 | if (is_numeric($port) && $port > 0) { | |
18 | $string = "$string port=" . $port; | |
19 | } | |
20 | ||
21 | $this->link = pg_connect($string); | |
22 | ||
23 | if (!$this->link) { | |
24 | die("Unable to connect to database (as $user to $host, database $db):" . pg_last_error()); | |
25 | } | |
26 | ||
404e2e36 AD |
27 | $this->init(); |
28 | ||
95947917 AD |
29 | return $this->link; |
30 | } | |
31 | ||
32 | function escape_string($s, $strip_tags = true) { | |
33 | if ($strip_tags) $s = strip_tags($s); | |
34 | ||
a42c55f0 | 35 | return pg_escape_string($s); |
95947917 AD |
36 | } |
37 | ||
38 | function query($query, $die_on_error = true) { | |
38f43970 | 39 | $result = @pg_query($this->link, $query); |
95947917 AD |
40 | |
41 | if (!$result) { | |
977cea14 | 42 | $this->last_error = @pg_last_error($this->link); |
38f43970 AD |
43 | |
44 | @pg_query($this->link, "ROLLBACK"); | |
95947917 | 45 | $query = htmlspecialchars($query); // just in case |
977cea14 | 46 | user_error("Query $query failed: " . ($this->link ? $this->last_error : "No connection"), |
aca75cb5 | 47 | $die_on_error ? E_USER_ERROR : E_USER_WARNING); |
95947917 AD |
48 | } |
49 | return $result; | |
50 | } | |
51 | ||
52 | function fetch_assoc($result) { | |
53 | return pg_fetch_assoc($result); | |
54 | } | |
55 | ||
56 | ||
57 | function num_rows($result) { | |
58 | return pg_num_rows($result); | |
59 | } | |
60 | ||
61 | function fetch_result($result, $row, $param) { | |
62 | return pg_fetch_result($result, $row, $param); | |
63 | } | |
64 | ||
65 | function close() { | |
66 | return pg_close($this->link); | |
67 | } | |
68 | ||
69 | function affected_rows($result) { | |
70 | return pg_affected_rows($result); | |
71 | } | |
72 | ||
73 | function last_error() { | |
74 | return pg_last_error($this->link); | |
75 | } | |
76 | ||
977cea14 AD |
77 | function last_query_error() { |
78 | return $this->last_error; | |
79 | } | |
80 | ||
ba68b681 AD |
81 | function init() { |
82 | $this->query("set client_encoding = 'UTF-8'"); | |
83 | pg_set_client_encoding("UNICODE"); | |
84 | $this->query("set datestyle = 'ISO, european'"); | |
85 | $this->query("set TIME ZONE 0"); | |
ad9928a5 | 86 | $this->query("set cpu_tuple_cost = 0.5"); |
ba68b681 AD |
87 | |
88 | return true; | |
89 | } | |
95947917 AD |
90 | } |
91 | ?> |