1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
<?php
/* $Id: sql.php 9110 2006-06-13 15:10:08Z lem9 $ */
// vim: expandtab sw=4 ts=4 sts=4:
/* SQL import plugin for phpMyAdmin */
if (isset($plugin_list)) {
$plugin_list['sql'] = array(
'text' => 'strSQL',
'extension' => 'sql',
'options_text' => 'strSQLImportOptions',
);
$compats = PMA_DBI_getCompatibilities();
if (count($compats) > 0) {
$values = array();
foreach($compats as $val) {
$values[$val] = $val;
}
$plugin_list['sql']['options'] = array(
array('type' => 'select', 'name' => 'compatibility', 'text' => 'strSQLCompatibility', 'values' => $values, 'doc' => array('manual_MySQL_Database_Administration', 'Server_SQL_mode'))
);
}
} else {
/* We do not define function when plugin is just queried for information above */
$buffer = '';
// Defaults for parser
$sql = '';
$start_pos = 0;
$i = 0;
if (isset($_POST['sql_delimiter'])) {
$sql_delimiter = $_POST['sql_delimiter'];
} else {
$sql_delimiter = ';';
}
// Handle compatibility option
if (isset($_REQUEST['sql_compatibility'])) {
PMA_DBI_try_query('SET SQL_MODE="' . $_REQUEST['sql_compatibility'] . '"');
}
while (!($finished && $i >= $len) && !$error && !$timeout_passed) {
$data = PMA_importGetNextChunk();
if ($data === FALSE) {
// subtract data we didn't handle yet and stop processing
$offset -= strlen($buffer);
break;
} elseif ($data === TRUE) {
// Handle rest of buffer
} else {
// Append new data to buffer
$buffer .= $data;
// Do not parse string when we're not at the end and don't have ; inside
if ((strpos($buffer, $sql_delimiter) === FALSE) && !$finished) {
continue;
}
}
// Current length of our buffer
$len = strlen($buffer);
// Grab some SQL queries out of it
while ($i < $len) {
$found_delimiter = false;
// Find first interesting character, several strpos seem to be faster than simple loop in php:
//while (($i < $len) && (strpos('\'";#-/', $buffer[$i]) === FALSE)) $i++;
//if ($i == $len) break;
$oi = $i;
$p1 = strpos($buffer, '\'', $i);
if ($p1 === FALSE) {
$p1 = 2147483647;
}
$p2 = strpos($buffer, '"', $i);
if ($p2 === FALSE) {
$p2 = 2147483647;
}
$p3 = strpos($buffer, $sql_delimiter, $i);
if ($p3 === FALSE) {
$p3 = 2147483647;
} else {
$found_delimiter = true;
}
$p4 = strpos($buffer, '#', $i);
if ($p4 === FALSE) {
$p4 = 2147483647;
}
$p5 = strpos($buffer, '--', $i);
if ($p5 === FALSE || $p5 >= ($len - 2) || $buffer[$p5 + 2] > ' ') {
$p5 = 2147483647;
}
$p6 = strpos($buffer, '/*', $i);
if ($p6 === FALSE) {
$p6 = 2147483647;
}
$p7 = strpos($buffer, '`', $i);
if ($p7 === FALSE) {
$p7 = 2147483647;
}
$i = min ($p1, $p2, $p3, $p4, $p5, $p6, $p7);
unset($p1, $p2, $p3, $p4, $p5, $p6, $p7);
if ($i == 2147483647) {
$i = $oi;
if (!$finished) {
break;
}
// at the end there might be some whitespace...
if (trim($buffer) == '') {
$buffer = '';
$len = 0;
break;
}
// We hit end of query, go there!
$i = strlen($buffer) - 1;
}
// Grab current character
$ch = $buffer[$i];
// Quotes
if (!(strpos('\'"`', $ch) === FALSE)) {
$quote = $ch;
$endq = FALSE;
while (!$endq) {
// Find next quote
$pos = strpos($buffer, $quote, $i + 1);
// No quote? Too short string
if ($pos === FALSE) {
// We hit end of string => unclosed quote, but we handle it as end of query
if ($finished) {
$endq = TRUE;
$i = $len - 1;
}
break;
}
// Was not the quote escaped?
$j = $pos - 1;
while ($buffer[$j] == '\\') $j--;
// Even count means it was not escaped
$endq = (((($pos - 1) - $j) % 2) == 0);
// Skip the string
$i = $pos;
}
if (!$endq) {
break;
}
$i++;
// Aren't we at the end?
if ($finished && $i == $len) {
$i--;
} else {
continue;
}
}
// Not enough data to decide
if ((($i == ($len - 1) && ($ch == '-' || $ch == '/'))
|| ($i == ($len - 2) && (($ch == '-' && $buffer[$i + 1] == '-') || ($ch == '/' && $buffer[$i + 1] == '*')))
) && !$finished) {
break;
}
// Comments
if ($ch == '#'
|| ($i < ($len - 1) && $ch == '-' && $buffer[$i + 1] == '-' && (($i < ($len - 2) && $buffer[$i + 2] <= ' ') || ($i == ($len - 1) && $finished)))
|| ($i < ($len - 1) && $ch == '/' && $buffer[$i + 1] == '*')
) {
// Copy current string to SQL
if ($start_pos != $i) {
$sql .= substr($buffer, $start_pos, $i - $start_pos);
}
// Skip the rest
$j = $i;
$i = strpos($buffer, $ch == '/' ? '*/' : "\n", $i);
// didn't we hit end of string?
if ($i === FALSE) {
if ($finished) {
$i = $len - 1;
} else {
break;
}
}
// Skip *
if ($ch == '/') {
// Check for MySQL conditional comments and include them as-is
if ($buffer[$j + 2] == '!') {
$comment = substr($buffer, $j + 3, $i - $j - 3);
if (preg_match('/^[0-9]{5}/', $comment, $version)) {
if ($version[0] <= PMA_MYSQL_INT_VERSION) {
$sql .= substr($comment, 5);
}
} else {
$sql .= $comment;
}
}
$i++;
}
// Skip last char
$i++;
// Next query part will start here
$start_pos = $i;
// Aren't we at the end?
if ($i == $len) {
$i--;
} else {
continue;
}
}
// End of SQL
if ($found_delimiter || ($finished && ($i == $len - 1))) {
$tmp_sql = $sql;
if ($start_pos < $len) {
$length_to_grab = $i - $start_pos;
if (!$found_delimiter) {
$length_to_grab++;
}
$tmp_sql .= substr($buffer, $start_pos, $length_to_grab);
unset($length_to_grab);
}
// Do not try to execute empty SQL
if (!preg_match('/^([\s]*;)*$/', trim($tmp_sql))) {
$sql = $tmp_sql;
PMA_importRunQuery($sql, substr($buffer, 0, $i + strlen($sql_delimiter)));
$buffer = substr($buffer, $i + strlen($sql_delimiter));
// Reset parser:
$len = strlen($buffer);
$sql = '';
$i = 0;
$start_pos = 0;
// Any chance we will get a complete query?
//if ((strpos($buffer, ';') === FALSE) && !$finished) {
if ((strpos($buffer, $sql_delimiter) === FALSE) && !$finished) {
break;
}
} else {
$i++;
$start_pos = $i;
}
}
} // End of parser loop
} // End of import loop
// Commit any possible data in buffers
PMA_importRunQuery('', substr($buffer, 0, $len));
PMA_importRunQuery();
}
?>
|
