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maxdb_query
(no version information, might be only in CVS) maxdb_query (no version information, might be only in CVS) maxdb->query -- Performs a query on the database DescriptionProcedural style: mixed maxdb_query ( resource link, string query [, int resultmode] ) Object oriented style (method): class maxdb { mixed query ( string query ) }
The maxdb_query() function is used to simplify the
act of performing a query against the database represented by the
link parameter.
Return values
Returns TRUE on success or FALSE on failure. For SELECT, SHOW, DESCRIBE or
EXPLAIN maxdb_query() will return
a result resource.
ExampleExample 1. Object oriented style
<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
/* Create table doesn't return a resultset */
if ($maxdb->query("CREATE TABLE temp.mycity LIKE hotel.city") === TRUE) {
printf("Table mycity successfully created.\n");
}
/* Select queries return a resultset */
if ($result = $maxdb->query("SELECT name FROM hotel.city")) {
printf("Select returned %d rows.\n", $result->num_rows);
/* free result set */
$result->close();
}
/* If we have to retrieve large amount of data we use MAXDB_USE_RESULT */
if ($result = $maxdb->query("SELECT * FROM hotel.city", MAXDB_USE_RESULT)) {
$result->close();
}
$maxdb->close();
?>
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Example 2. Procedural style
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
/* Create table doesn't return a resultset */
if (maxdb_query($link, "CREATE TABLE temp.mycity LIKE hotel.city") === TRUE) {
printf("Table mycity successfully created.\n");
}
/* Select queries return a resultset */
if ($result = maxdb_query($link, "SELECT name FROM hotel.city")) {
printf("Select returned %d rows.\n", maxdb_num_rows($result));
/* free result set */
maxdb_free_result($result);
}
/* If we have to retrieve large amount of data we use MAXDB_USE_RESULT */
if ($result = maxdb_query($link, "SELECT * FROM hotel.city", MAXDB_USE_RESULT)) {
maxdb_free_result($result);
}
maxdb_close($link);
?>
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The above examples would produce the following output:
Table mycity successfully created.
Select returned 25 rows. |
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