Zeile 153 | Zeile 153 |
---|
/** * Connect to the database server. *
|
/** * Connect to the database server. *
|
* @param array Array of DBMS connection details.
| * @param array $config Array of DBMS connection details.
|
* @return resource The DB connection resource. Returns false on failure */ function connect($config)
| * @return resource The DB connection resource. Returns false on failure */ function connect($config)
|
Zeile 181 | Zeile 181 |
---|
} }
|
} }
|
$this->db_encoding = $config['encoding'];
| if(isset($config['encoding'])) { $this->db_encoding = $config['encoding']; }
|
// Actually connect to the specified servers foreach(array('read', 'write') as $type)
| // Actually connect to the specified servers foreach(array('read', 'write') as $type)
|
Zeile 189 | Zeile 192 |
---|
if(!isset($connections[$type]) || !is_array($connections[$type])) { break;
|
if(!isset($connections[$type]) || !is_array($connections[$type])) { break;
|
}
| }
|
if(array_key_exists('hostname', $connections[$type])) { $details = $connections[$type];
|
if(array_key_exists('hostname', $connections[$type])) { $details = $connections[$type];
|
unset($connections);
| unset($connections[$type]);
|
$connections[$type][] = $details; }
// Shuffle the connections shuffle($connections[$type]);
|
$connections[$type][] = $details; }
// Shuffle the connections shuffle($connections[$type]);
|
|
|
// Loop-de-loop foreach($connections[$type] as $single_connection) {
| // Loop-de-loop foreach($connections[$type] as $single_connection) {
|
Zeile 219 | Zeile 222 |
---|
if(strpos($single_connection['hostname'], ':') !== false) { list($single_connection['hostname'], $single_connection['port']) = explode(':', $single_connection['hostname']);
|
if(strpos($single_connection['hostname'], ':') !== false) { list($single_connection['hostname'], $single_connection['port']) = explode(':', $single_connection['hostname']);
|
| } else { $single_connection['port'] = null;
|
}
if($single_connection['port'])
| }
if($single_connection['port'])
|
Zeile 270 | Zeile 277 |
---|
{ $this->error("[WRITE] Unable to connect to PgSQL server"); return false;
|
{ $this->error("[WRITE] Unable to connect to PgSQL server"); return false;
|
}
| }
|
$this->current_link = &$this->read_link; return $this->read_link; }
| $this->current_link = &$this->read_link; return $this->read_link; }
|
Zeile 279 | Zeile 286 |
---|
/** * Query the database. *
|
/** * Query the database. *
|
* @param string The query SQL. * @param boolean 1 if hide errors, 0 if not. * @param integer 1 if executes on slave database, 0 if not.
| * @param string $string The query SQL. * @param boolean|int $hide_errors 1 if hide errors, 0 if not. * @param integer $write_query 1 if executes on slave database, 0 if not.
|
* @return resource The query data. */ function query($string, $hide_errors=0, $write_query=0) {
|
* @return resource The query data. */ function query($string, $hide_errors=0, $write_query=0) {
|
global $pagestarttime, $db, $mybb;
| global $mybb;
|
|
|
$string = preg_replace("#LIMIT (\s*)([0-9]+),(\s*)([0-9]+)$#im", "LIMIT $4 OFFSET $2", trim($string));
| $string = preg_replace("#LIMIT (\s*)([0-9]+),(\s*)([0-9]+);?$#im", "LIMIT $4 OFFSET $2", trim($string));
|
$this->last_query = $string;
get_execution_time();
|
$this->last_query = $string;
get_execution_time();
|
|
|
if(strtolower(substr(ltrim($string), 0, 5)) == 'alter') { $string = preg_replace("#\sAFTER\s([a-z_]+?)(;*?)$#i", "", $string);
| if(strtolower(substr(ltrim($string), 0, 5)) == 'alter') { $string = preg_replace("#\sAFTER\s([a-z_]+?)(;*?)$#i", "", $string);
|
Zeile 311 | Zeile 318 |
---|
$query = pg_get_result($this->current_link); } else
|
$query = pg_get_result($this->current_link); } else
|
{
| {
|
while(pg_connection_busy($this->read_link)); $this->current_link = &$this->read_link; pg_send_query($this->current_link, $string); $query = pg_get_result($this->current_link);
|
while(pg_connection_busy($this->read_link)); $this->current_link = &$this->read_link; pg_send_query($this->current_link, $string); $query = pg_get_result($this->current_link);
|
}
| }
|
if((pg_result_error($query) && !$hide_errors)) {
| if((pg_result_error($query) && !$hide_errors)) {
|
Zeile 328 | Zeile 335 |
---|
$this->query_time += $query_time; $this->query_count++; $this->last_result = $query;
|
$this->query_time += $query_time; $this->query_count++; $this->last_result = $query;
|
|
|
if($mybb->debug_mode) { $this->explain_query($string, $query_time);
| if($mybb->debug_mode) { $this->explain_query($string, $query_time);
|
Zeile 339 | Zeile 346 |
---|
/** * Execute a write query on the slave database *
|
/** * Execute a write query on the slave database *
|
* @param string The query SQL. * @param boolean 1 if hide errors, 0 if not.
| * @param string $query The query SQL. * @param boolean|int $hide_errors 1 if hide errors, 0 if not.
|
* @return resource The query data. */ function write_query($query, $hide_errors=0)
|
* @return resource The query data. */ function write_query($query, $hide_errors=0)
|
{
| {
|
return $this->query($query, $hide_errors, 1); }
/** * Explain a query on the database. *
|
return $this->query($query, $hide_errors, 1); }
/** * Explain a query on the database. *
|
* @param string The query SQL. * @param string The time it took to perform the query.
| * @param string $string The query SQL. * @param string $qtime The time it took to perform the query.
|
*/ function explain_query($string, $qtime) { if(preg_match("#^\s*select#i", $string)) { $query = pg_query($this->current_link, "EXPLAIN $string");
|
*/ function explain_query($string, $qtime) { if(preg_match("#^\s*select#i", $string)) { $query = pg_query($this->current_link, "EXPLAIN $string");
|
$this->explain .= "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n".
| $this->explain .= "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n".
|
"<tr>\n". "<td colspan=\"8\" style=\"background-color: #ccc;\"><strong>#".$this->query_count." - Select Query</strong></td>\n". "</tr>\n".
| "<tr>\n". "<td colspan=\"8\" style=\"background-color: #ccc;\"><strong>#".$this->query_count." - Select Query</strong></td>\n". "</tr>\n".
|
Zeile 385 | Zeile 392 |
---|
"<br />\n"; } else
|
"<br />\n"; } else
|
{
| {
|
$this->explain .= "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n".
|
$this->explain .= "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n".
|
"<tr>\n".
| "<tr>\n".
|
"<td style=\"background-color: #ccc;\"><strong>#".$this->query_count." - Write Query</strong></td>\n".
|
"<td style=\"background-color: #ccc;\"><strong>#".$this->query_count." - Write Query</strong></td>\n".
|
"</tr>\n".
| "</tr>\n".
|
"<tr style=\"background-color: #fefefe;\">\n". "<td><span style=\"font-family: Courier; font-size: 14px;\">".htmlspecialchars_uni($string)."</span></td>\n".
|
"<tr style=\"background-color: #fefefe;\">\n". "<td><span style=\"font-family: Courier; font-size: 14px;\">".htmlspecialchars_uni($string)."</span></td>\n".
|
"</tr>\n".
| "</tr>\n".
|
"<tr>\n". "<td bgcolor=\"#ffffff\">Query Time: ".format_time_duration($qtime)."</td>\n". "</tr>\n". "</table>\n". "<br />\n";
|
"<tr>\n". "<td bgcolor=\"#ffffff\">Query Time: ".format_time_duration($qtime)."</td>\n". "</tr>\n". "</table>\n". "<br />\n";
|
}
| }
|
$this->querylist[$this->query_count]['query'] = $string; $this->querylist[$this->query_count]['time'] = $qtime;
| $this->querylist[$this->query_count]['query'] = $string; $this->querylist[$this->query_count]['time'] = $qtime;
|
Zeile 407 | Zeile 414 |
---|
/** * Return a result array for a query. *
|
/** * Return a result array for a query. *
|
* @param resource The query ID. * @param constant The type of array to return. * @return array The array of results.
| * @param resource $query The query ID. * @param int $resulttype The type of array to return. Either PGSQL_NUM, PGSQL_BOTH or PGSQL_ASSOC * @return array The array of results. Note that all fields are returned as string: http://php.net/manual/en/function.pg-fetch-array.php
|
*/ function fetch_array($query, $resulttype=PGSQL_ASSOC) { switch($resulttype)
|
*/ function fetch_array($query, $resulttype=PGSQL_ASSOC) { switch($resulttype)
|
{
| {
|
case PGSQL_NUM: case PGSQL_BOTH: break;
| case PGSQL_NUM: case PGSQL_BOTH: break;
|
Zeile 427 | Zeile 434 |
---|
return $array; }
|
return $array; }
|
|
|
/** * Return a specific field from a query. *
|
/** * Return a specific field from a query. *
|
* @param resource The query ID. * @param string The name of the field to return. * @param int The number of the row to fetch it from.
| * @param resource $query The query ID. * @param string $field The name of the field to return. * @param int|bool The number of the row to fetch it from. * @return string|bool|null As per http://php.net/manual/en/function.pg-fetch-result.php
|
*/ function fetch_field($query, $field, $row=false) { if($row === false) { $array = $this->fetch_array($query);
|
*/ function fetch_field($query, $field, $row=false) { if($row === false) { $array = $this->fetch_array($query);
|
return $array[$field]; } else { return pg_fetch_result($query, $row, $field);
| if($array !== null && $array !== false) { return $array[$field]; } return null;
|
}
|
}
|
| return pg_fetch_result($query, $row, $field);
|
}
/** * Moves internal row pointer to the next row *
|
}
/** * Moves internal row pointer to the next row *
|
* @param resource The query ID. * @param int The pointer to move the row to.
| * @param resource $query The query ID. * @param int $row The pointer to move the row to. * @return bool
|
*/ function data_seek($query, $row) {
| */ function data_seek($query, $row) {
|
Zeile 462 | Zeile 473 |
---|
/** * Return the number of rows resulting from a query. *
|
/** * Return the number of rows resulting from a query. *
|
* @param resource The query ID.
| * @param resource $query The query ID.
|
* @return int The number of rows in the result. */ function num_rows($query)
| * @return int The number of rows in the result. */ function num_rows($query)
|
Zeile 477 | Zeile 488 |
---|
*/ function insert_id() {
|
*/ function insert_id() {
|
$this->last_query = str_replace(array("\r", "\t"), '', $this->last_query); $this->last_query = str_replace("\n", ' ', $this->last_query); preg_match('#INSERT INTO ([a-zA-Z0-9_\-]+)#i', $this->last_query, $matches);
| preg_match('#INSERT\s+INTO\s+([a-zA-Z0-9_\-]+)#i', $this->last_query, $matches);
|
$table = $matches[1];
| $table = $matches[1];
|
Zeile 489 | Zeile 498 |
---|
// Do we not have a primary field? if(!$field) {
|
// Do we not have a primary field? if(!$field) {
|
return; }
| return 0; }
|
$id = $this->write_query("SELECT currval(pg_get_serial_sequence('{$table}', '{$field}')) AS last_value"); return $this->fetch_field($id, 'last_value'); }
| $id = $this->write_query("SELECT currval(pg_get_serial_sequence('{$table}', '{$field}')) AS last_value"); return $this->fetch_field($id, 'last_value'); }
|
Zeile 506 | Zeile 515 |
---|
if($this->write_link) { @pg_close($this->write_link);
|
if($this->write_link) { @pg_close($this->write_link);
|
}
| }
|
}
/** * Return an error number. *
|
}
/** * Return an error number. *
|
| * @param resource $query
|
* @return int The error number of the current error. */
|
* @return int The error number of the current error. */
|
function error_number($query="")
| function error_number($query=null)
|
{
|
{
|
if(!$query || !function_exists("pg_result_error_field"))
| if($query != null || !function_exists("pg_result_error_field"))
|
{ return 0; }
| { return 0; }
|
Zeile 527 | Zeile 537 |
---|
/** * Return an error string. *
|
/** * Return an error string. *
|
| * @param resource $query
|
* @return string The explanation for the current error. */
|
* @return string The explanation for the current error. */
|
function error_string($query="")
| function error_string($query=null)
|
{
|
{
|
if($query)
| if($query != null)
|
{ return pg_result_error($query); }
| { return pg_result_error($query); }
|
Zeile 543 | Zeile 554 |
---|
else { return pg_last_error();
|
else { return pg_last_error();
|
} }
| } }
|
/** * Output a database error. *
|
/** * Output a database error. *
|
* @param string The string to present as an error.
| * @param string $string The string to present as an error. * @param resource $query
|
*/
|
*/
|
function error($string="", $query="")
| function error($string="", $query=null)
|
{ if($this->error_reporting) {
| { if($this->error_reporting) {
|
Zeile 581 | Zeile 593 |
---|
/** * Returns the number of affected rows in a query.
|
/** * Returns the number of affected rows in a query.
|
*
| *
|
* @return int The number of affected rows. */ function affected_rows() { return pg_affected_rows($this->last_result);
|
* @return int The number of affected rows. */ function affected_rows() { return pg_affected_rows($this->last_result);
|
}
| }
|
/** * Return the number of fields. *
|
/** * Return the number of fields. *
|
* @param resource The query ID.
| * @param resource $query The query ID.
|
* @return int The number of fields. */ function num_fields($query) { return pg_num_fields($query);
|
* @return int The number of fields. */ function num_fields($query) { return pg_num_fields($query);
|
}
| }
|
/** * Lists all tables in the database. *
|
/** * Lists all tables in the database. *
|
* @param string The database name. * @param string Prefix of the table (optional)
| * @param string $database The database name. * @param string $prefix Prefix of the table (optional)
|
* @return array The table list. */ function list_tables($database, $prefix='')
| * @return array The table list. */ function list_tables($database, $prefix='')
|
Zeile 630 | Zeile 642 |
---|
/** * Check if a table exists in a database. *
|
/** * Check if a table exists in a database. *
|
* @param string The table name.
| * @param string $table The table name.
|
* @return boolean True when exists, false if not. */ function table_exists($table)
| * @return boolean True when exists, false if not. */ function table_exists($table)
|
Zeile 638 | Zeile 650 |
---|
// Execute on master server to ensure if we've just created a table that we get the correct result $query = $this->write_query("SELECT COUNT(table_name) as table_names FROM information_schema.tables WHERE table_schema = 'public' AND table_name='{$this->table_prefix}{$table}'");
|
// Execute on master server to ensure if we've just created a table that we get the correct result $query = $this->write_query("SELECT COUNT(table_name) as table_names FROM information_schema.tables WHERE table_schema = 'public' AND table_name='{$this->table_prefix}{$table}'");
|
$exists = $this->fetch_field($query, 'table_names');
| $exists = $this->fetch_field($query, 'table_names');
|
if($exists > 0)
|
if($exists > 0)
|
{
| {
|
return true;
|
return true;
|
}
| }
|
else { return false;
| else { return false;
|
Zeile 653 | Zeile 665 |
---|
/** * Check if a field exists in a database. *
|
/** * Check if a field exists in a database. *
|
* @param string The field name. * @param string The table name.
| * @param string $field The field name. * @param string $table The table name.
|
* @return boolean True when exists, false if not.
|
* @return boolean True when exists, false if not.
|
*/
| */
|
function field_exists($field, $table) { $query = $this->write_query("SELECT COUNT(column_name) as column_names FROM information_schema.columns WHERE table_name='{$this->table_prefix}{$table}' AND column_name='{$field}'");
|
function field_exists($field, $table) { $query = $this->write_query("SELECT COUNT(column_name) as column_names FROM information_schema.columns WHERE table_name='{$this->table_prefix}{$table}' AND column_name='{$field}'");
|
|
|
$exists = $this->fetch_field($query, "column_names");
|
$exists = $this->fetch_field($query, "column_names");
|
|
|
if($exists > 0)
|
if($exists > 0)
|
{ return true; } else { return false; } }
/**
| { return true; } else { return false; } }
/**
|
* Add a shutdown query. *
|
* Add a shutdown query. *
|
* @param resource The query data. * @param string An optional name for the query.
| * @param resource $query The query data. * @param string $name An optional name for the query.
|
*/
|
*/
|
function shutdown_query($query, $name=0)
| function shutdown_query($query, $name="")
|
{ global $shutdown_queries; if($name)
| { global $shutdown_queries; if($name)
|
Zeile 695 | Zeile 707 |
---|
/** * Performs a simple select query. *
|
/** * Performs a simple select query. *
|
* @param string The table name to be queried. * @param string Comma delimetered list of fields to be selected. * @param string SQL formatted list of conditions to be matched. * @param array List of options: group by, order by, order direction, limit, limit start.
| * @param string $table The table name to be queried. * @param string $fields Comma delimetered list of fields to be selected. * @param string $conditions SQL formatted list of conditions to be matched. * @param array $options List of options: group by, order by, order direction, limit, limit start.
|
* @return resource The query data. */ function simple_select($table, $fields="*", $conditions="", $options=array())
| * @return resource The query data. */ function simple_select($table, $fields="*", $conditions="", $options=array())
|
Zeile 730 | Zeile 742 |
---|
else if(isset($options['limit'])) { $query .= " LIMIT ".$options['limit'];
|
else if(isset($options['limit'])) { $query .= " LIMIT ".$options['limit'];
|
}
| }
|
return $this->query($query); }
|
return $this->query($query); }
|
|
|
/** * Build an insert query from an array. *
|
/** * Build an insert query from an array. *
|
* @param string The table name to perform the query on. * @param array An array of fields and their values. * @param boolean Whether or not to return an insert id. True by default * @return int The insert ID if available
| * @param string $table The table name to perform the query on. * @param array $array An array of fields and their values. * @param boolean $insert_id Whether or not to return an insert id. True by default * @return int|bool The insert ID if available. False on failure and true if $insert_id is false
|
*/ function insert_query($table, $array, $insert_id=true)
|
*/ function insert_query($table, $array, $insert_id=true)
|
{ global $mybb;
if(!is_array($array)) { return false; }
foreach($array as $field => $value)
| { global $mybb;
if(!is_array($array)) { return false; }
foreach($array as $field => $value)
|
{ if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field]) {
| { if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field]) {
|
Zeile 785 | Zeile 797 |
---|
/** * Build one query for multiple inserts from a multidimensional array. *
|
/** * Build one query for multiple inserts from a multidimensional array. *
|
* @param string The table name to perform the query on. * @param array An array of inserts. * @return int The insert ID if available
| * @param string $table The table name to perform the query on. * @param array $array An array of inserts. * @return void
|
*/ function insert_query_multiple($table, $array)
|
*/ function insert_query_multiple($table, $array)
|
{ global $mybb;
if(!is_array($array)) { return false;
| { global $mybb;
if(!is_array($array)) { return;
|
} // Field names $fields = array_keys($array[0]);
| } // Field names $fields = array_keys($array[0]);
|
Zeile 805 | Zeile 817 |
---|
foreach($array as $values) { foreach($values as $field => $value)
|
foreach($array as $values) { foreach($values as $field => $value)
|
{
| {
|
if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field]) { $values[$field] = $value;
| if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field]) { $values[$field] = $value;
|
Zeile 823 | Zeile 835 |
---|
INSERT INTO {$this->table_prefix}{$table} ({$fields}) VALUES {$insert_rows}
|
INSERT INTO {$this->table_prefix}{$table} ({$fields}) VALUES {$insert_rows}
|
"); }
| "); }
|
/** * Build an update query from an array. *
|
/** * Build an update query from an array. *
|
* @param string The table name to perform the query on. * @param array An array of fields and their values. * @param string An optional where clause for the query. * @param string An optional limit clause for the query. * @param boolean An option to quote incoming values of the array.
| * @param string $table The table name to perform the query on. * @param array $array An array of fields and their values. * @param string $where An optional where clause for the query. * @param string $limit An optional limit clause for the query. * @param boolean $no_quote An option to quote incoming values of the array.
|
* @return resource The query data. */ function update_query($table, $array, $where="", $limit="", $no_quote=false) { global $mybb;
|
* @return resource The query data. */ function update_query($table, $array, $where="", $limit="", $no_quote=false) { global $mybb;
|
|
|
if(!is_array($array)) { return false;
| if(!is_array($array)) { return false;
|
Zeile 878 | Zeile 890 |
---|
"); }
|
"); }
|
| /** * @param int|string $value * @param string $quote * * @return int|string */
|
private function quote_val($value, $quote="'") { if(is_int($value))
| private function quote_val($value, $quote="'") { if(is_int($value))
|
Zeile 895 | Zeile 913 |
---|
/** * Build a delete query. *
|
/** * Build a delete query. *
|
* @param string The table name to perform the query on. * @param string An optional where clause for the query. * @param string An optional limit clause for the query.
| * @param string $table The table name to perform the query on. * @param string $where An optional where clause for the query. * @param string $limit An optional limit clause for the query.
|
* @return resource The query data. */ function delete_query($table, $where="", $limit="")
| * @return resource The query data. */ function delete_query($table, $where="", $limit="")
|
Zeile 918 | Zeile 936 |
---|
/** * Escape a string according to the pg escape format. *
|
/** * Escape a string according to the pg escape format. *
|
* @param string The string to be escaped.
| * @param string $string The string to be escaped.
|
* @return string The escaped string. */ function escape_string($string)
| * @return string The escaped string. */ function escape_string($string)
|
Zeile 935 | Zeile 953 |
---|
}
/**
|
}
/**
|
* Frees the resources of a MySQLi query.
| * Frees the resources of a PgSQL query.
|
*
|
*
|
* @param object The query to destroy. * @return boolean Returns true on success, false on faliure
| * @param resource $query The query to destroy. * @return boolean Returns true on success, false on failure
|
*/ function free_result($query) {
| */ function free_result($query) {
|
Zeile 948 | Zeile 966 |
---|
/** * Escape a string used within a like command. *
|
/** * Escape a string used within a like command. *
|
* @param string The string to be escaped.
| * @param string $string The string to be escaped.
|
* @return string The escaped string. */ function escape_string_like($string) {
|
* @return string The escaped string. */ function escape_string_like($string) {
|
return $this->escape_string(str_replace(array('%', '_') , array('\\%' , '\\_') , $string));
| return $this->escape_string(str_replace(array('\\', '%', '_') , array('\\\\', '\\%' , '\\_') , $string));
|
}
/**
| }
/**
|
Zeile 978 | Zeile 996 |
---|
/** * Optimizes a specific table. *
|
/** * Optimizes a specific table. *
|
* @param string The name of the table to be optimized.
| * @param string $table The name of the table to be optimized.
|
*/ function optimize_table($table) {
| */ function optimize_table($table) {
|
Zeile 988 | Zeile 1006 |
---|
/** * Analyzes a specific table. *
|
/** * Analyzes a specific table. *
|
* @param string The name of the table to be analyzed.
| * @param string $table The name of the table to be analyzed.
|
*/ function analyze_table($table) {
| */ function analyze_table($table) {
|
Zeile 998 | Zeile 1016 |
---|
/** * Show the "create table" command for a specific table. *
|
/** * Show the "create table" command for a specific table. *
|
* @param string The name of the table.
| * @param string $table The name of the table.
|
* @return string The pg command to create the specified table. */ function show_create_table($table)
| * @return string The pg command to create the specified table. */ function show_create_table($table)
|
Zeile 1081 | Zeile 1099 |
---|
");
$primary_key = array();
|
");
$primary_key = array();
|
| $primary_key_name = '';
$unique_keys = array();
|
// We do this in two steps. It makes placing the comma easier while($row = $this->fetch_array($query)) { if($row['primary_key'] == 't')
|
// We do this in two steps. It makes placing the comma easier while($row = $this->fetch_array($query)) { if($row['primary_key'] == 't')
|
{
| {
|
$primary_key[] = $row['column_name']; $primary_key_name = $row['index_name'];
|
$primary_key[] = $row['column_name']; $primary_key_name = $row['index_name'];
|
| }
if($row['unique_key'] == 't') { $unique_keys[$row['index_name']][] = $row['column_name'];
|
} }
if(!empty($primary_key)) { $lines[] = " CONSTRAINT $primary_key_name PRIMARY KEY (".implode(', ', $primary_key).")";
|
} }
if(!empty($primary_key)) { $lines[] = " CONSTRAINT $primary_key_name PRIMARY KEY (".implode(', ', $primary_key).")";
|
| }
foreach($unique_keys as $key_name => $key_columns) { $lines[] = " CONSTRAINT $key_name UNIQUE (".implode(', ', $key_columns).")";
|
}
$table_lines .= implode(", \n", $lines);
| }
$table_lines .= implode(", \n", $lines);
|
Zeile 1106 | Zeile 1137 |
---|
/** * Show the "show fields from" command for a specific table. *
|
/** * Show the "show fields from" command for a specific table. *
|
* @param string The name of the table. * @return string Field info for that table
| * @param string $table The name of the table. * @return array Field info for that table
|
*/ function show_fields_from($table) {
| */ function show_fields_from($table) {
|
Zeile 1119 | Zeile 1150 |
---|
FROM information_schema.columns WHERE table_name = '{$this->table_prefix}{$table}' ");
|
FROM information_schema.columns WHERE table_name = '{$this->table_prefix}{$table}' ");
|
| $field_info = array();
|
while($field = $this->fetch_array($query)) { if($field['field'] == $primary_key)
| while($field = $this->fetch_array($query)) { if($field['field'] == $primary_key)
|
Zeile 1135 | Zeile 1167 |
---|
/** * Returns whether or not the table contains a fulltext index. *
|
/** * Returns whether or not the table contains a fulltext index. *
|
* @param string The name of the table. * @param string Optionally specify the name of the index.
| * @param string $table The name of the table. * @param string $index Optionally specify the name of the index.
|
* @return boolean True or false if the table has a fulltext index or not. */ function is_fulltext($table, $index="")
| * @return boolean True or false if the table has a fulltext index or not. */ function is_fulltext($table, $index="")
|
Zeile 1147 | Zeile 1179 |
---|
/** * Returns whether or not this database engine supports fulltext indexing. *
|
/** * Returns whether or not this database engine supports fulltext indexing. *
|
* @param string The table to be checked.
| * @param string $table The table to be checked.
|
* @return boolean True or false if supported or not. */
function supports_fulltext($table)
|
* @return boolean True or false if supported or not. */
function supports_fulltext($table)
|
{ return false; }
| { return false; }
|
/** * Returns whether or not this database engine supports boolean fulltext matching. *
|
/** * Returns whether or not this database engine supports boolean fulltext matching. *
|
* @param string The table to be checked.
| * @param string $table The table to be checked.
|
* @return boolean True or false if supported or not. */ function supports_fulltext_boolean($table)
| * @return boolean True or false if supported or not. */ function supports_fulltext_boolean($table)
|
Zeile 1170 | Zeile 1202 |
---|
/** * Creates a fulltext index on the specified column in the specified table with optional index name. *
|
/** * Creates a fulltext index on the specified column in the specified table with optional index name. *
|
* @param string The name of the table. * @param string Name of the column to be indexed. * @param string The index name, optional.
| * @param string $table The name of the table. * @param string $column Name of the column to be indexed. * @param string $name The index name, optional. * @return bool
|
*/ function create_fulltext_index($table, $column, $name="")
|
*/ function create_fulltext_index($table, $column, $name="")
|
{
| {
|
return false; }
/** * Drop an index with the specified name from the specified table *
|
return false; }
/** * Drop an index with the specified name from the specified table *
|
* @param string The name of the table. * @param string The name of the index.
| * @param string $table The name of the table. * @param string $name The name of the index.
|
*/ function drop_index($table, $name) {
| */ function drop_index($table, $name) {
|
Zeile 1196 | Zeile 1229 |
---|
/** * Checks to see if an index exists on a specified table *
|
/** * Checks to see if an index exists on a specified table *
|
* @param string The name of the table. * @param string The name of the index.
| * @param string $table The name of the table. * @param string $index The name of the index. * @return bool Returns whether index exists
|
*/ function index_exists($table, $index) {
| */ function index_exists($table, $index) {
|
Zeile 1212 | Zeile 1246 |
---|
if($exists) { return true;
|
if($exists) { return true;
|
} else {
| } else {
|
return false; } }
| return false; } }
|
Zeile 1222 | Zeile 1256 |
---|
/** * Drop an table with the specified table *
|
/** * Drop an table with the specified table *
|
* @param string The name of the table. * @param boolean hard drop - no checking * @param boolean use table prefix
| * @param string $table The name of the table. * @param boolean $hard hard drop - no checking * @param boolean $table_prefix use table prefix
|
*/ function drop_table($table, $hard=false, $table_prefix=true) {
| */ function drop_table($table, $hard=false, $table_prefix=true) {
|
Zeile 1251 | Zeile 1285 |
---|
$query = $this->query("SELECT column_name FROM information_schema.constraint_column_usage WHERE table_name = '{$table}' and constraint_name = '{$table}_pkey' LIMIT 1"); $field = $this->fetch_field($query, 'column_name');
|
$query = $this->query("SELECT column_name FROM information_schema.constraint_column_usage WHERE table_name = '{$table}' and constraint_name = '{$table}_pkey' LIMIT 1"); $field = $this->fetch_field($query, 'column_name');
|
|
|
// Do we not have a primary field? if($field) {
| // Do we not have a primary field? if($field) {
|
Zeile 1262 | Zeile 1296 |
---|
/** * Renames a table *
|
/** * Renames a table *
|
* @param string The old table name * @param string the new table name * @param boolean use table prefix
| * @param string $old_table The old table name * @param string $new_table the new table name * @param boolean $table_prefix use table prefix * @return resource
|
*/ function rename_table($old_table, $new_table, $table_prefix=true) {
| */ function rename_table($old_table, $new_table, $table_prefix=true) {
|
Zeile 1283 | Zeile 1318 |
---|
/** * Replace contents of table with values *
|
/** * Replace contents of table with values *
|
* @param string The table * @param array The replacements * @param mixed The default field(s) * @param boolean Whether or not to return an insert id. True by default
| * @param string $table The table * @param array $replacements The replacements * @param string|array $default_field The default field(s) * @param boolean $insert_id Whether or not to return an insert id. True by default * @return int|resource|bool Returns either the insert id (if a new row is inserted and $insert_id is true), a boolean (if $insert_id is wrong) or the query resource (if a row is updated)
|
*/ function replace_query($table, $replacements=array(), $default_field="", $insert_id=true) { global $mybb;
|
*/ function replace_query($table, $replacements=array(), $default_field="", $insert_id=true) { global $mybb;
|
|
|
if($default_field == "")
|
if($default_field == "")
|
{
| {
|
$query = $this->write_query("SELECT column_name FROM information_schema.constraint_column_usage WHERE table_name = '{$this->table_prefix}{$table}' and constraint_name = '{$this->table_prefix}{$table}_pkey' LIMIT 1"); $main_field = $this->fetch_field($query, 'column_name');
|
$query = $this->write_query("SELECT column_name FROM information_schema.constraint_column_usage WHERE table_name = '{$this->table_prefix}{$table}' and constraint_name = '{$this->table_prefix}{$table}_pkey' LIMIT 1"); $main_field = $this->fetch_field($query, 'column_name');
|
}
| }
|
else
|
else
|
{
| {
|
$main_field = $default_field; }
|
$main_field = $default_field; }
|
$update = false; if(is_array($main_field) && !empty($main_field)) { $search_bit = array(); $string = ''; foreach($main_field as $field) { if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field]) { $search_bit[] = "{$field} = ".$replacements[$field]; } else { $search_bit[] = "{$field} = ".$this->quote_val($replacements[$field]); } }
$search_bit = implode(" AND ", $search_bit); $query = $this->write_query("SELECT COUNT(".$main_field[0].") as count FROM {$this->table_prefix}{$table} WHERE {$search_bit} LIMIT 1"); if($this->fetch_field($query, "count") == 1) { $update = true;
| $update = false; $search_bit = array();
if(!is_array($main_field)) { $main_field = array($main_field); }
foreach($main_field as $field) { if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field]) { $search_bit[] = "{$field} = ".$replacements[$field]; } else { $search_bit[] = "{$field} = ".$this->quote_val($replacements[$field]);
|
}
|
}
|
| } $search_bit = implode(" AND ", $search_bit); $query = $this->write_query("SELECT COUNT(".$main_field[0].") as count FROM {$this->table_prefix}{$table} WHERE {$search_bit} LIMIT 1"); if($this->fetch_field($query, "count") == 1) { $update = true; }
if($update === true) { return $this->update_query($table, $replacements, $search_bit);
|
} else {
|
} else {
|
$query = $this->write_query("SELECT {$main_field} FROM {$this->table_prefix}{$table}");
while($column = $this->fetch_array($query)) { if($column[$main_field] == $replacements[$main_field]) { $update = true; break; } } }
if($update === true) { if(is_array($main_field)) { return $this->update_query($table, $replacements, $search_bit); } else { return $this->update_query($table, $replacements, "{$main_field}=".$this->quote_val($replacements[$main_field])); } } else { return $this->insert_query($table, $replacements, $insert_id);
| return $this->insert_query($table, $replacements, $insert_id);
|
} }
|
} }
|
| /** * @param string $table * @param string $append * * @return string */
|
function build_fields_string($table, $append="") { $fields = $this->show_fields_from($table);
|
function build_fields_string($table, $append="") { $fields = $this->show_fields_from($table);
|
$comma = '';
| $comma = $fieldstring = '';
|
foreach($fields as $key => $field) { $fieldstring .= $comma.$append.$field['Field'];
| foreach($fields as $key => $field) { $fieldstring .= $comma.$append.$field['Field'];
|
Zeile 1369 | Zeile 1392 |
---|
}
return $fieldstring;
|
}
return $fieldstring;
|
}
| }
|
/** * Drops a column *
|
/** * Drops a column *
|
* @param string The table * @param string The column name
| * @param string $table The table * @param string $column The column name * @return resource
|
*/ function drop_column($table, $column) {
| */ function drop_column($table, $column) {
|
Zeile 1385 | Zeile 1409 |
---|
/** * Adds a column *
|
/** * Adds a column *
|
* @param string The table * @param string The column name * @param string the new column definition
| * @param string $table The table * @param string $column The column name * @param string $definition the new column definition * @return resource
|
*/ function add_column($table, $column, $definition) {
| */ function add_column($table, $column, $definition) {
|
Zeile 1397 | Zeile 1422 |
---|
/** * Modifies a column *
|
/** * Modifies a column *
|
* @param string The table * @param string The column name * @param string the new column definition * @param boolean Whether to drop or set a column * @param boolean The new default value (if one is to be set)
| * @param string $table The table * @param string $column The column name * @param string $new_definition the new column definition * @param boolean|string $new_not_null Whether to "drop" or "set" the NOT NULL attribute (no change if false) * @param boolean|string $new_default_value The new default value, or false to drop the attribute * @return bool Returns true if all queries are executed successfully or false if one of them failed
|
*/ function modify_column($table, $column, $new_definition, $new_not_null=false, $new_default_value=false) {
| */ function modify_column($table, $column, $new_definition, $new_not_null=false, $new_default_value=false) {
|
Zeile 1413 | Zeile 1439 |
---|
}
if($new_not_null !== false)
|
}
if($new_not_null !== false)
|
{
| {
|
$set_drop = "DROP";
if(strtolower($new_not_null) == "set") { $set_drop = "SET";
|
$set_drop = "DROP";
if(strtolower($new_not_null) == "set") { $set_drop = "SET";
|
}
| }
|
$result2 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} {$set_drop} NOT NULL"); }
|
$result2 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} {$set_drop} NOT NULL"); }
|
if($new_default_value !== false)
| if($new_default_value !== null)
|
{
|
{
|
$result3 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} SET DEFAULT {$new_default_value}"); } else { $result3 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} DROP DEFAULT");
| if($new_default_value !== false) { $result3 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} SET DEFAULT {$new_default_value}"); } else { $result3 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} DROP DEFAULT"); }
|
}
return $result1 && $result2 && $result3;
| }
return $result1 && $result2 && $result3;
|
Zeile 1439 | Zeile 1468 |
---|
/** * Renames a column *
|
/** * Renames a column *
|
* @param string The table * @param string The old column name * @param string the new column name * @param string the new column definition * @param boolean Whether to drop or set a column * @param boolean The new default value (if one is to be set)
| * @param string $table The table * @param string $old_column The old column name * @param string $new_column the new column name * @param string $new_definition the new column definition * @param boolean|string $new_not_null Whether to "drop" or "set" the NOT NULL attribute (no change if false) * @param boolean|string $new_default_value The new default value, or false to drop the attribute * @return bool Returns true if all queries are executed successfully
|
*/ function rename_column($table, $old_column, $new_column, $new_definition, $new_not_null=false, $new_default_value=false) {
| */ function rename_column($table, $old_column, $new_column, $new_definition, $new_not_null=false, $new_default_value=false) {
|
Zeile 1456 | Zeile 1486 |
---|
/** * Sets the table prefix used by the simple select, insert, update and delete functions *
|
/** * Sets the table prefix used by the simple select, insert, update and delete functions *
|
* @param string The new table prefix
| * @param string $prefix The new table prefix
|
*/ function set_table_prefix($prefix) {
| */ function set_table_prefix($prefix) {
|
Zeile 1466 | Zeile 1496 |
---|
/** * Fetched the total size of all mysql tables or a specific table *
|
/** * Fetched the total size of all mysql tables or a specific table *
|
* @param string The table (optional)
| * @param string $table The table (optional)
|
* @return integer the total size of all mysql tables or a specific table */ function fetch_size($table='')
| * @return integer the total size of all mysql tables or a specific table */ function fetch_size($table='')
|
Zeile 1490 | Zeile 1520 |
---|
/** * Fetch a list of database character sets this DBMS supports *
|
/** * Fetch a list of database character sets this DBMS supports *
|
* @return array Array of supported character sets with array key being the name, array value being display name. False if unsupported
| * @return array|bool Array of supported character sets with array key being the name, array value being display name. False if unsupported
|
*/ function fetch_db_charsets() {
| */ function fetch_db_charsets() {
|
Zeile 1500 | Zeile 1530 |
---|
/** * Fetch a database collation for a particular database character set *
|
/** * Fetch a database collation for a particular database character set *
|
* @param string The database character set * @return string The matching database collation, false if unsupported
| * @param string $charset The database character set * @return string|bool The matching database collation, false if unsupported
|
*/ function fetch_charset_collation($charset) {
| */ function fetch_charset_collation($charset) {
|
Zeile 1531 | Zeile 1561 |
---|
/** * Binary database fields require special attention. *
|
/** * Binary database fields require special attention. *
|
* @param string Binary value
| * @param string $string Binary value
|
* @return string Encoded binary value */ function escape_binary($string)
| * @return string Encoded binary value */ function escape_binary($string)
|
Zeile 1542 | Zeile 1572 |
---|
/** * Unescape binary data. *
|
/** * Unescape binary data. *
|
* @param string Binary value
| * @param string $string Binary value
|
* @return string Encoded binary value */ function unescape_binary($string)
| * @return string Encoded binary value */ function unescape_binary($string)
|