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sqlite_array_query

SQLiteDatabase->arrayQuery

(No version information available, might be only in CVS)

SQLiteDatabase->arrayQuery — Execute a query against a given database and returns an array

说明

array sqlite_array_query ( resource $dbhandle , string $query [, int $result_type [, bool $decode_binary ]] )
array sqlite_array_query ( string $query , resource $dbhandle [, int $result_type [, bool $decode_binary ]] )

Object oriented style (method):

SQLiteDatabase
array arrayQuery ( string $query [, int $result_type [, bool $decode_binary ]] )

sqlite_array_query() executes the given query and returns an array of the entire result set. It is similar to calling sqlite_query() and then sqlite_fetch_array() for each row in the result set. sqlite_array_query() is significantly faster than the aforementioned.

Tip

sqlite_array_query() is best suited to queries returning 45 rows or less. If you have more data than that, it is recommended that you write your scripts to use sqlite_unbuffered_query() instead for more optimal performance.

参数

query

The query to be executed.

dbhandle

The SQLite Database resource; returned from sqlite_open() when used procedurally. This parameter is not required when using the object-oriented method.

result_type

可选的 result_type 参数接受一个常量并决定返回的数组如何索引。用 SQLITE_ASSOC 只会返回关联索引(有名称字段)而 SQLITE_NUM 只会返回数字索引(有序字段数)。SQLITE_BOTH 会同时返回关联和数字索引。 SQLITE_BOTH 是本函数的默认值。

decode_binary

decode_binary 参数设为 TRUE(默认值)时,PHP 将解码那些由 sqlite_escape_string() 编码的数据。通常应保留此值为其默认值,除非在操作其它支持 sqlite 程序建立的数据库时。

Note: 为兼容其它数据库(例如 MySQL),支持另两种替代的语法。推荐用第一种,dbhandle 参数作为函数的第一个参数。

返回值

Returns an array of the entire result set; FALSE otherwise.

SQLITE_ASSOCSQLITE_BOTH 返回的列名会根据 sqlite.assoc_case 配置选项的值来决定大小写。

范例

Example#1 Procedural style

<?php
$dbhandle 
sqlite_open('sqlitedb');
$result sqlite_array_query($dbhandle'SELECT name, email FROM users LIMIT 25'SQLITE_ASSOC);
foreach (
$result as $entry) {
    echo 
'Name: ' $entry['name'] . '  E-mail: ' $entry['email'];
}
?>

Example#2 Object-oriented style

<?php
$dbhandle 
= new SQLiteDatabase('sqlitedb');
$result $dbhandle->arrayQuery('SELECT name, email FROM users LIMIT 25'SQLITE_ASSOC);
foreach (
$result as $entry) {
    echo 
'Name: ' $entry['name'] . '  E-mail: ' $entry['email'];
}
?>


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