| 36 |
kaklik |
1 |
<?php
|
|
|
2 |
|
|
|
3 |
/**
|
|
|
4 |
V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). All rights reserved.
|
|
|
5 |
Released under both BSD license and Lesser GPL library license.
|
|
|
6 |
Whenever there is any discrepancy between the two licenses,
|
|
|
7 |
the BSD license will take precedence.
|
|
|
8 |
|
|
|
9 |
Set tabs to 4 for best viewing.
|
|
|
10 |
|
|
|
11 |
*/
|
|
|
12 |
|
|
|
13 |
class ADODB2_firebird extends ADODB_DataDict {
|
|
|
14 |
|
|
|
15 |
var $databaseType = 'firebird';
|
|
|
16 |
var $seqField = false;
|
|
|
17 |
var $seqPrefix = 'gen_';
|
|
|
18 |
var $blobSize = 40000;
|
|
|
19 |
|
|
|
20 |
function ActualType($meta)
|
|
|
21 |
{
|
|
|
22 |
switch($meta) {
|
|
|
23 |
case 'C': return 'VARCHAR';
|
|
|
24 |
case 'XL': return 'VARCHAR(32000)';
|
|
|
25 |
case 'X': return 'VARCHAR(4000)';
|
|
|
26 |
|
|
|
27 |
case 'C2': return 'VARCHAR'; // up to 32K
|
|
|
28 |
case 'X2': return 'VARCHAR(4000)';
|
|
|
29 |
|
|
|
30 |
case 'B': return 'BLOB';
|
|
|
31 |
|
|
|
32 |
case 'D': return 'DATE';
|
|
|
33 |
case 'T': return 'TIMESTAMP';
|
|
|
34 |
|
|
|
35 |
case 'L': return 'SMALLINT';
|
|
|
36 |
case 'I': return 'INTEGER';
|
|
|
37 |
case 'I1': return 'SMALLINT';
|
|
|
38 |
case 'I2': return 'SMALLINT';
|
|
|
39 |
case 'I4': return 'INTEGER';
|
|
|
40 |
case 'I8': return 'INTEGER';
|
|
|
41 |
|
|
|
42 |
case 'F': return 'DOUBLE PRECISION';
|
|
|
43 |
case 'N': return 'DECIMAL';
|
|
|
44 |
default:
|
|
|
45 |
return $meta;
|
|
|
46 |
}
|
|
|
47 |
}
|
|
|
48 |
|
|
|
49 |
function NameQuote($name = NULL)
|
|
|
50 |
{
|
|
|
51 |
if (!is_string($name)) {
|
|
|
52 |
return FALSE;
|
|
|
53 |
}
|
|
|
54 |
|
|
|
55 |
$name = trim($name);
|
|
|
56 |
|
|
|
57 |
if ( !is_object($this->connection) ) {
|
|
|
58 |
return $name;
|
|
|
59 |
}
|
|
|
60 |
|
|
|
61 |
$quote = $this->connection->nameQuote;
|
|
|
62 |
|
|
|
63 |
// if name is of the form `name`, quote it
|
|
|
64 |
if ( preg_match('/^`(.+)`$/', $name, $matches) ) {
|
|
|
65 |
return $quote . $matches[1] . $quote;
|
|
|
66 |
}
|
|
|
67 |
|
|
|
68 |
// if name contains special characters, quote it
|
|
|
69 |
if ( !preg_match('/^[' . $this->nameRegex . ']+$/', $name) ) {
|
|
|
70 |
return $quote . $name . $quote;
|
|
|
71 |
}
|
|
|
72 |
|
|
|
73 |
return $quote . $name . $quote;
|
|
|
74 |
}
|
|
|
75 |
|
|
|
76 |
function CreateDatabase($dbname, $options=false)
|
|
|
77 |
{
|
|
|
78 |
$options = $this->_Options($options);
|
|
|
79 |
$sql = array();
|
|
|
80 |
|
|
|
81 |
$sql[] = "DECLARE EXTERNAL FUNCTION LOWER CSTRING(80) RETURNS CSTRING(80) FREE_IT ENTRY_POINT 'IB_UDF_lower' MODULE_NAME 'ib_udf'";
|
|
|
82 |
|
|
|
83 |
return $sql;
|
|
|
84 |
}
|
|
|
85 |
|
|
|
86 |
function _DropAutoIncrement($t)
|
|
|
87 |
{
|
|
|
88 |
if (strpos($t,'.') !== false) {
|
|
|
89 |
$tarr = explode('.',$t);
|
|
|
90 |
return 'DROP GENERATOR '.$tarr[0].'."gen_'.$tarr[1].'"';
|
|
|
91 |
}
|
|
|
92 |
return 'DROP GENERATOR "GEN_'.$t;
|
|
|
93 |
}
|
|
|
94 |
|
|
|
95 |
|
|
|
96 |
function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
|
|
|
97 |
{
|
|
|
98 |
$suffix = '';
|
|
|
99 |
|
|
|
100 |
if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
|
|
|
101 |
if ($fnotnull) $suffix .= ' NOT NULL';
|
|
|
102 |
if ($fautoinc) $this->seqField = $fname;
|
|
|
103 |
if ($fconstraint) $suffix .= ' '.$fconstraint;
|
|
|
104 |
|
|
|
105 |
return $suffix;
|
|
|
106 |
}
|
|
|
107 |
|
|
|
108 |
/*
|
|
|
109 |
CREATE or replace TRIGGER jaddress_insert
|
|
|
110 |
before insert on jaddress
|
|
|
111 |
for each row
|
|
|
112 |
begin
|
|
|
113 |
IF ( NEW."seqField" IS NULL OR NEW."seqField" = 0 ) THEN
|
|
|
114 |
NEW."seqField" = GEN_ID("GEN_tabname", 1);
|
|
|
115 |
end;
|
|
|
116 |
*/
|
|
|
117 |
function _Triggers($tabname,$tableoptions)
|
|
|
118 |
{
|
|
|
119 |
if (!$this->seqField) return array();
|
|
|
120 |
|
|
|
121 |
$tab1 = preg_replace( '/"/', '', $tabname );
|
|
|
122 |
if ($this->schema) {
|
|
|
123 |
$t = strpos($tab1,'.');
|
|
|
124 |
if ($t !== false) $tab = substr($tab1,$t+1);
|
|
|
125 |
else $tab = $tab1;
|
|
|
126 |
$seqField = $this->seqField;
|
|
|
127 |
$seqname = $this->schema.'.'.$this->seqPrefix.$tab;
|
|
|
128 |
$trigname = $this->schema.'.trig_'.$this->seqPrefix.$tab;
|
|
|
129 |
} else {
|
|
|
130 |
$seqField = $this->seqField;
|
|
|
131 |
$seqname = $this->seqPrefix.$tab1;
|
|
|
132 |
$trigname = 'trig_'.$seqname;
|
|
|
133 |
}
|
|
|
134 |
if (isset($tableoptions['REPLACE']))
|
|
|
135 |
{ $sql[] = "DROP GENERATOR \"$seqname\"";
|
|
|
136 |
$sql[] = "CREATE GENERATOR \"$seqname\"";
|
|
|
137 |
$sql[] = "ALTER TRIGGER \"$trigname\" BEFORE INSERT OR UPDATE AS BEGIN IF ( NEW.$seqField IS NULL OR NEW.$seqField = 0 ) THEN NEW.$seqField = GEN_ID(\"$seqname\", 1); END";
|
|
|
138 |
}
|
|
|
139 |
else
|
|
|
140 |
{ $sql[] = "CREATE GENERATOR \"$seqname\"";
|
|
|
141 |
$sql[] = "CREATE TRIGGER \"$trigname\" FOR $tabname BEFORE INSERT OR UPDATE AS BEGIN IF ( NEW.$seqField IS NULL OR NEW.$seqField = 0 ) THEN NEW.$seqField = GEN_ID(\"$seqname\", 1); END";
|
|
|
142 |
}
|
|
|
143 |
|
|
|
144 |
$this->seqField = false;
|
|
|
145 |
return $sql;
|
|
|
146 |
}
|
|
|
147 |
|
|
|
148 |
}
|
|
|
149 |
|
|
|
150 |
|
|
|
151 |
?>
|