73 lines
1.7 KiB
PHP
Executable File
73 lines
1.7 KiB
PHP
Executable File
<?php
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/**
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* Sqlite 预定义了类 SQLiteDatabase 本实现没有使用。
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* 这里使用的全部是过程函数。
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* 无论是函数还是类，本实现只支持sqlite的2.x系列版本。
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* php5.3新增扩展sqlite3用来支持3.x版本。
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* PDO则同时支持2.x和3.x版本。
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*/
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class LtDbConnectionAdapterSqlite implements LtDbConnectionAdapter
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{
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public function connect($connConf)
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{
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if (isset($connConf['pconnect']) && true == $connConf['pconnect'])
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{
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$func = 'sqlite_popen';
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}
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else
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{
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$func = 'sqlite_open';
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}
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$connConf["host"] = rtrim($connConf["host"], '\\/') . DIRECTORY_SEPARATOR;
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if(!is_dir($connConf["host"]))
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{
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if(!@mkdir($connConf["host"], 0777, true))
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{
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trigger_error("Can not create {$connConf['host']}");
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}
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}
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$error = '';
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$connResource = $func($connConf["host"] . $connConf["dbname"], 0666, $error);
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if (!$connResource)
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{
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trigger_error($error, E_USER_ERROR);
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}
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else
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{
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return $connResource;
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}
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}
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public function exec($sql, $connResource)
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{
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if(empty($sql))
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{
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return 0;
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}
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sqlite_exec($connResource, $sql);
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// echo '<pre>';
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// print_r(debug_backtrace());
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// debug_print_backtrace();
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// echo '</pre>';
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// delete from table 结果为0，原因未知。
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// 使用 delete from table where 1 能返回正确结果
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return sqlite_changes($connResource);
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}
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public function query($sql, $connResource)
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{
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$result = sqlite_query($connResource, $sql, SQLITE_ASSOC);
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return sqlite_fetch_all($result, SQLITE_ASSOC);
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}
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public function lastInsertId($connResource)
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{
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return sqlite_last_insert_rowid($connResource);
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}
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public function escape($sql, $connResource)
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{
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return sqlite_escape_string($sql);
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}
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}
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