(PECL maxdb >= 1.0)
Performs a query on the database
mixed maxdb_query ( resource $link, string $query [, int $resultmode ] )
Procedural style
Object oriented style
mixed maxdb::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.
Returns:
Returns TRUE
on success or FALSE
on failure. For SELECT, SHOW, DESCRIBE or EXPLAIN maxdb_query() will return a result resource.
Examples:
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(); ?>
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); ?>
See also:
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