Updated to use the latest and greatest.

git-svn-id: http://svn.automattic.com/wordpress/trunk@1180 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
saxmatt 2004-04-26 02:54:06 +00:00
parent ef13af90b8
commit 0864fdf0f2
1 changed files with 79 additions and 144 deletions

View File

@ -1,34 +1,30 @@
<?php
// ==================================================================
// Author: Justin Vincent (justin@visunet.ie)
// Web: http://php.justinvincent.com
// Name: ezSQL
// Desc: Class to make it very easy to deal with mySQL database connections.
// WordPress is using this class to make the code cleaner and faster.
// We highly recommend it.
// We have modified the HTML it returns slightly.
// WordPress DB Class
define('EZSQL_VERSION', '1.21');
// ORIGINAL CODE FROM:
// Justin Vincent (justin@visunet.ie)
// http://php.justinvincent.com
define('EZSQL_VERSION', 'WP1.25');
define('OBJECT', 'OBJECT', true);
define('ARRAY_A', 'ARRAY_A', true);
define('ARRAY_N', 'ARRAY_N', true);
define('SAVEQUERIES', true);
// The Main Class, renamed to avoid conflicts.
define('ARRAY_A', 'ARRAY_A', false);
define('ARRAY_N', 'ARRAY_N', false);
if (!defined('SAVEQUERIES'))
define('SAVEQUERIES', false);
class wpdb {
var $debug_called;
var $vardump_called;
var $show_errors = true;
var $querycount;
var $num_queries = 0;
var $last_query;
var $col_info;
// ==================================================================
// DB Constructor - connects to the server and selects a database
function wpdb($dbuser, $dbpassword, $dbname, $dbhost) {
$this->dbh = @mysql_connect($dbhost,$dbuser,$dbpassword);
if ( ! $this->dbh ) {
if (!$this->dbh) {
die("<div>
<p><strong>Error establishing a database connection!</strong> This probably means that the connection information in your <code>wp-config.php</code> file is incorrect. Double check it and try again.</p>
<ul>
@ -41,14 +37,13 @@ class wpdb {
}
$this->select($dbname);
$this->querycount = 0;
}
// ==================================================================
// Select a DB (if another one needs to be selected)
function select($db) {
if ( !@mysql_select_db($db,$this->dbh)) {
if (!@mysql_select_db($db,$this->dbh)) {
die("
<p>We're having a little trouble selecting the proper database for WordPress.</p>
<ul>
@ -71,31 +66,21 @@ class wpdb {
// Print SQL/DB error.
function print_error($str = '') {
// All errors go to the global error array $EZSQL_ERROR..
global $EZSQL_ERROR;
// If no special error string then use mysql default..
if ( !$str ) $str = mysql_error();
// Log this error to the global array..
$EZSQL_ERROR[] = array
(
'query' => $this->last_query,
'error_str' => $str
);
if (!$str) $str = mysql_error();
$EZSQL_ERROR[] =
array ('query' => $this->last_query, 'error_str' => $str);
// Is error output turned on or not..
if ( $this->show_errors ) {
// If there is an error then take note of it
print "<div id='error'>
<p><strong>SQL/DB Error:</strong><br />
[<span style='color: #007;'>$str</span>]<br />
<p><strong>Database error:</strong> [$str]<br />
<code>$this->last_query</code></p>
</div>";
} else {
return false;
}
}
// ==================================================================
@ -113,19 +98,17 @@ class wpdb {
// Kill cached query results
function flush() {
// Get rid of these
$this->last_result = null;
$this->col_info = null;
$this->last_query = null;
}
// ==================================================================
// Basic Query - see docs for more detail
function query($query) {
// Flush cached values..
// initialise return
$return_val = 0;
$this->flush();
// Log how the function was called
@ -135,84 +118,60 @@ class wpdb {
$this->last_query = $query;
// Perform the query via std mysql_query function..
$this->result = mysql_query($query, $this->dbh);
++$this->querycount;
$this->result = @mysql_query($query,$this->dbh);
++$this->num_queries;
if (SAVEQUERIES) {
$this->savedqueries[] = $query;
}
// If there was an insert, delete or update see how many rows were affected
// (Also, If there there was an insert take note of the insert_id
$query_type = array('insert','delete','update','replace');
// loop through the above array
foreach ( $query_type as $word ) {
// This is true if the query starts with insert, delete or update
if ( preg_match("/^\\s*$word /i",$query) ) {
$this->rows_affected = mysql_affected_rows();
// This gets the insert ID
if ( $word == 'insert' || $word == 'replace' ) {
$this->insert_id = mysql_insert_id($this->dbh);
}
$this->result = false;
}
}
if ( mysql_error() ) { // If there is an error then take note of it..
// If there is an error then take note of it..
if ( mysql_error() ) {
$this->print_error();
} else {
// In other words if this was a select statement..
if ( $this->result ) {
// =======================================================
// Take note of column info
$i=0;
while ($i < @mysql_num_fields($this->result)) {
$this->col_info[$i] = @mysql_fetch_field($this->result);
$i++;
}
// =======================================================
// Store Query Results
$i=0;
while ( $row = @mysql_fetch_object($this->result) ) {
// Store relults as an objects within main array
$this->last_result[$i] = $row;
$i++;
}
// Log number of rows the query returned
$this->num_rows = $i;
@mysql_free_result($this->result);
// If there were results then return true for $db->query
if ( $i ) {
return true;
} else {
return false;
}
} else { // Update insert etc. was good..
return true;
}
return false;
}
if ( preg_match("/^\\s*(insert|delete|update|replace) /i",$query) ) {
$this->rows_affected = mysql_affected_rows();
// Take note of the insert_id
if ( preg_match("/^\\s*(insert|replace) /i",$query) ) {
$this->insert_id = mysql_insert_id($this->dbh);
}
// Return number of rows affected
$return_val = $this->rows_affected;
} else {
$i = 0;
while ($i < @mysql_num_fields($this->result)) {
$this->col_info[$i] = @mysql_fetch_field($this->result);
$i++;
}
$num_rows = 0;
while ( $row = @mysql_fetch_object($this->result) ) {
$this->last_result[$num_rows] = $row;
$num_rows++;
}
@mysql_free_result($this->result);
// Log number of rows the query returned
$this->num_rows = $num_rows;
// Return number of rows selected
$return_val = $this->num_rows;
}
// If debug ALL queries
$this->trace || $this->debug_all ? $this->debug() : null ;
return $return_val;
}
// ==================================================================
// Get one variable from the DB - see docs for more detail
function get_var($query=null, $x=0, $y=0) {
// Log how the function was called
function get_var($query=null, $x = 0, $y = 0) {
$this->func_call = "\$db->get_var(\"$query\",$x,$y)";
// If there is a query then perform it if not then use cached results..
if ( $query ) {
if ( $query )
$this->query($query);
}
// Extract var out of cached results based x,y vals
if ( $this->last_result[$y] ) {
@ -226,47 +185,33 @@ class wpdb {
// ==================================================================
// Get one row from the DB - see docs for more detail
function get_row($query=null, $output=OBJECT, $y=0) {
// Log how the function was called
function get_row($query = null, $output = OBJECT, $y = 0) {
$this->func_call = "\$db->get_row(\"$query\",$output,$y)";
// If there is a query then perform it if not then use cached results..
if ( $query ) {
if ( $query )
$this->query($query);
}
// If the output is an object then return object using the row offset..
if ( $output == OBJECT ) {
return $this->last_result[$y]?$this->last_result[$y]:null;
}
// If the output is an associative array then return row as such..
elseif ( $output == ARRAY_A ) {
return $this->last_result[$y]?get_object_vars($this->last_result[$y]):null;
}
// If the output is an numerical array then return row as such..
elseif ( $output == ARRAY_N ) {
return $this->last_result[$y]?array_values(get_object_vars($this->last_result[$y])):null;
}
// If invalid output type was specified..
else {
return $this->last_result[$y] ? $this->last_result[$y] : null;
} elseif ( $output == ARRAY_A ) {
return $this->last_result[$y] ? get_object_vars($this->last_result[$y]) : null;
} elseif ( $output == ARRAY_N ) {
return $this->last_result[$y] ? array_values(get_object_vars($this->last_result[$y])) : null;
} else {
$this->print_error(" \$db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N");
}
}
// ==================================================================
// Function to get 1 column from the cached result set based in X index
// se docs for usage and info
function get_col($query=null,$x=0) {
// If there is a query then perform it if not then use cached results..
if ( $query ) {
function get_col($query = null , $x = 0) {
if ( $query )
$this->query($query);
}
// Extract the column values
for ( $i=0; $i < count($this->last_result); $i++ ) {
$new_array[$i] = $this->get_var(null,$x,$i);
$new_array[$i] = $this->get_var(null, $x, $i);
}
return $new_array;
}
@ -274,31 +219,25 @@ class wpdb {
// ==================================================================
// Return the the query as a result set - see docs for more details
function get_results($query=null, $output = OBJECT){
// Log how the function was called
function get_results($query = null, $output = OBJECT) {
$this->func_call = "\$db->get_results(\"$query\", $output)";
// If there is a query then perform it if not then use cached results..
if ( $query ) {
if ( $query )
$this->query($query);
}
// Send back array of objects. Each row is an object
if ( $output == OBJECT ) {
return $this->last_result;
} elseif ( $output == ARRAY_A || $output == ARRAY_N ) {
if ( $this->last_result ) {
$i=0;
$i = 0;
foreach( $this->last_result as $row ) {
$new_array[$i] = (array) $row;
if ( $output == ARRAY_N ) {
$new_array[$i] = array_values($new_array[$i]);
}
$i++;
}
return $new_array;
} else {
return null;
@ -311,11 +250,10 @@ class wpdb {
// Function to get column meta data info pertaining to the last query
// see docs for more info and usage
function get_col_info($info_type='name', $col_offset=-1) {
function get_col_info($info_type = 'name', $col_offset = -1) {
if ( $this->col_info ) {
if ( $col_offset == -1 ) {
$i=0;
$i = 0;
foreach($this->col_info as $col ) {
$new_array[$i] = $col->{$info_type};
$i++;
@ -324,11 +262,8 @@ class wpdb {
} else {
return $this->col_info[$col_offset]->{$info_type};
}
}
}
}
$wpdb = new wpdb(DB_USER, DB_PASSWORD, DB_NAME, DB_HOST);