|
1
|
|
|
<?php /** MysqlDriverMicro */ |
|
2
|
|
|
|
|
3
|
|
|
namespace Micro\Db\Drivers; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* MySQL Driver class file. |
|
7
|
|
|
* |
|
8
|
|
|
* @author Oleg Lunegov <[email protected]> |
|
9
|
|
|
* @link https://github.com/linpax/microphp-framework |
|
10
|
|
|
* @copyright Copyright (c) 2013 Oleg Lunegov |
|
11
|
|
|
* @license https://github.com/linpax/microphp-framework/blob/master/LICENSE |
|
12
|
|
|
* @package Micro |
|
13
|
|
|
* @subpackage Db\Drivers |
|
14
|
|
|
* @version 1.0 |
|
15
|
|
|
* @since 1.0 |
|
16
|
|
|
*/ |
|
17
|
|
|
class MysqlDriver extends Driver |
|
18
|
|
|
{ |
|
19
|
|
|
/** |
|
20
|
|
|
* Set current database |
|
21
|
|
|
* |
|
22
|
|
|
* @access public |
|
23
|
|
|
* |
|
24
|
|
|
* @param string $dbName Database name |
|
25
|
|
|
* |
|
26
|
|
|
* @return boolean |
|
27
|
|
|
*/ |
|
28
|
|
|
public function switchDatabase($dbName) |
|
29
|
|
|
{ |
|
30
|
|
|
return $this->conn->exec("USE {$dbName};") !== false; |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* Info of database |
|
35
|
|
|
* |
|
36
|
|
|
* @access public |
|
37
|
|
|
* @param string $dbName Database name |
|
38
|
|
|
* @return array |
|
39
|
|
|
*/ |
|
40
|
|
|
public function infoDatabase($dbName) |
|
41
|
|
|
{ |
|
42
|
|
|
$sth = $this->conn->query("SHOW TABLE STATUS FROM {$dbName};"); |
|
43
|
|
|
|
|
44
|
|
|
$result = []; |
|
45
|
|
|
foreach ($sth->fetchAll() AS $row) { |
|
46
|
|
|
$result[] = [ |
|
47
|
|
|
'name' => $row['Name'], |
|
48
|
|
|
'engine' => $row['Engine'], |
|
49
|
|
|
'rows' => $row['Rows'], |
|
50
|
|
|
'length' => $row['Avg_row_length'], |
|
51
|
|
|
'increment' => $row['Auto_increment'], |
|
52
|
|
|
'collation' => $row['Collation'] |
|
53
|
|
|
]; |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
return $result; |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* List database names on this connection |
|
61
|
|
|
* |
|
62
|
|
|
* @access public |
|
63
|
|
|
* @return array |
|
64
|
|
|
*/ |
|
65
|
|
|
public function listDatabases() |
|
66
|
|
|
{ |
|
67
|
|
|
$sql = 'SHOW DATABASES;'; |
|
68
|
|
|
|
|
69
|
|
|
if ($this->getDriverType() === 'pgsql') { |
|
70
|
|
|
$sql = 'SELECT datname FROM pg_database;'; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
$sth = $this->conn->query($sql); |
|
74
|
|
|
$result = []; |
|
75
|
|
|
|
|
76
|
|
|
foreach ($sth->fetchAll() AS $row) { |
|
77
|
|
|
$result[] = $row[0]; |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
return $result; |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
/** |
|
84
|
|
|
* List tables in db |
|
85
|
|
|
* |
|
86
|
|
|
* @access public |
|
87
|
|
|
* @return array |
|
88
|
|
|
*/ |
|
89
|
|
|
public function listTables() |
|
90
|
|
|
{ |
|
91
|
|
|
return $this->conn->query('SHOW TABLES;')->fetchAll(\PDO::FETCH_COLUMN, 0); |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
/** |
|
95
|
|
|
* Create a new table |
|
96
|
|
|
* |
|
97
|
|
|
* @param string $name Table name |
|
98
|
|
|
* @param array $elements Table elements |
|
99
|
|
|
* @param string $params Table params |
|
100
|
|
|
* |
|
101
|
|
|
* @return int |
|
102
|
|
|
*/ |
|
103
|
|
|
public function createTable($name, array $elements = [], $params = '') |
|
104
|
|
|
{ |
|
105
|
|
|
return $this->conn->exec( |
|
106
|
|
|
sprintf('SELECT TABLE IF NOT EXISTS `%s` (%s) %s;', $name, implode(', ', $elements), $params) |
|
107
|
|
|
); |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
|
|
/** |
|
111
|
|
|
* Get array fields into table |
|
112
|
|
|
* |
|
113
|
|
|
* @access public |
|
114
|
|
|
* |
|
115
|
|
|
* @param string $table Table name |
|
116
|
|
|
* |
|
117
|
|
|
* @return array |
|
118
|
|
|
*/ |
|
119
|
|
|
public function listFields($table) |
|
120
|
|
|
{ |
|
121
|
|
|
$sth = $this->conn->query("SHOW COLUMNS FROM {$table};"); |
|
122
|
|
|
|
|
123
|
|
|
$result = []; |
|
124
|
|
|
foreach ($sth->fetchAll(\PDO::FETCH_ASSOC) as $row) { |
|
125
|
|
|
$result[] = [ |
|
126
|
|
|
'field' => $row['Field'], |
|
127
|
|
|
'type' => $row['Type'], |
|
128
|
|
|
'null' => $row['Null'], |
|
129
|
|
|
'key' => $row['Key'], |
|
130
|
|
|
'default' => $row['Default'], |
|
131
|
|
|
'extra' => $row['Extra'] |
|
132
|
|
|
]; |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
|
|
return $result; |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
|
|
/** |
|
139
|
|
|
* Insert row into table |
|
140
|
|
|
* |
|
141
|
|
|
* @access public |
|
142
|
|
|
* |
|
143
|
|
|
* @param string $table Table name |
|
144
|
|
|
* @param array $line Line or lines to added |
|
145
|
|
|
* @param bool $multi Is multi rows |
|
146
|
|
|
* |
|
147
|
|
|
* @return bool |
|
148
|
|
|
*/ |
|
149
|
|
|
public function insert($table, array $line = [], $multi = false) |
|
150
|
|
|
{ |
|
151
|
|
|
$fields = '`' . implode('`, `', array_keys($multi ? $line[0] : $line)) . '`'; |
|
152
|
|
|
|
|
153
|
|
|
$values = ':'.implode(', :', array_keys($multi ? $line[0] : $line)); |
|
154
|
|
|
$rows = $multi ? $line : [$line]; |
|
155
|
|
|
$id = null; |
|
156
|
|
|
|
|
157
|
|
|
if ($rows) { |
|
|
|
|
|
|
158
|
|
|
$this->conn->beginTransaction(); |
|
159
|
|
|
|
|
160
|
|
|
$dbh = null; |
|
161
|
|
|
foreach ($rows AS $row) { |
|
162
|
|
|
$dbh = $this->conn->prepare("INSERT INTO {$table} ({$fields}) VALUES ({$values});")->execute($row); |
|
163
|
|
|
} |
|
164
|
|
|
|
|
165
|
|
|
$id = $dbh ? $this->conn->lastInsertId() : false; |
|
166
|
|
|
$this->conn->commit(); |
|
167
|
|
|
} |
|
168
|
|
|
|
|
169
|
|
|
return $id ?: false; |
|
170
|
|
|
} |
|
171
|
|
|
|
|
172
|
|
|
/** |
|
173
|
|
|
* Update row in table |
|
174
|
|
|
* |
|
175
|
|
|
* @access public |
|
176
|
|
|
* |
|
177
|
|
|
* @param string $table Table name |
|
178
|
|
|
* @param array $elements Elements to update |
|
179
|
|
|
* @param string $conditions Conditions for search |
|
180
|
|
|
* |
|
181
|
|
|
* @return bool |
|
182
|
|
|
*/ |
|
183
|
|
View Code Duplication |
public function update($table, array $elements = [], $conditions = '') |
|
|
|
|
|
|
184
|
|
|
{ |
|
185
|
|
|
$keys = array_keys($elements); |
|
186
|
|
|
|
|
187
|
|
|
if (0 === count($keys)) { |
|
188
|
|
|
return false; |
|
189
|
|
|
} |
|
190
|
|
|
|
|
191
|
|
|
$valStr = []; |
|
192
|
|
|
|
|
193
|
|
|
foreach ($keys as $key) { |
|
194
|
|
|
$valStr[] = '`'.$key.'` = :'.$key; |
|
195
|
|
|
} |
|
196
|
|
|
|
|
197
|
|
|
$valStr = implode(',', $valStr); |
|
198
|
|
|
|
|
199
|
|
|
if ($conditions) { |
|
200
|
|
|
$conditions = 'WHERE '.$conditions; |
|
201
|
|
|
} |
|
202
|
|
|
|
|
203
|
|
|
return $this->conn->prepare("UPDATE {$table} SET {$valStr} {$conditions};")->execute($elements); |
|
204
|
|
|
} |
|
205
|
|
|
|
|
206
|
|
|
/** |
|
207
|
|
|
* Exists element in the table by params |
|
208
|
|
|
* |
|
209
|
|
|
* @access public |
|
210
|
|
|
* |
|
211
|
|
|
* @param string $table Table name |
|
212
|
|
|
* @param array $params Params array |
|
213
|
|
|
* |
|
214
|
|
|
* @return bool |
|
215
|
|
|
*/ |
|
216
|
|
View Code Duplication |
public function exists($table, array $params = []) |
|
|
|
|
|
|
217
|
|
|
{ |
|
218
|
|
|
$keys = []; |
|
219
|
|
|
|
|
220
|
|
|
foreach ($params AS $key => $val) { |
|
221
|
|
|
$keys[] = '`' . $key . '`="' . $val . '""'; |
|
222
|
|
|
} |
|
223
|
|
|
|
|
224
|
|
|
$sth = $this->conn->prepare('SELECT * FROM ' . $table . ' WHERE ' . implode(' AND ', $keys) . ' LIMIT 1;'); |
|
225
|
|
|
/** @noinspection PdoApiUsageInspection */ |
|
226
|
|
|
$sth->execute(); |
|
227
|
|
|
|
|
228
|
|
|
return (bool)$sth->rowCount(); |
|
229
|
|
|
} |
|
230
|
|
|
} |
|
231
|
|
|
|
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.