Zeile 30 | Zeile 30 |
---|
* @var string */ public $type;
|
* @var string */ public $type;
|
| /** * PDOStatement objects of performed queries. * * @var array */ public $query_objects = array();
|
/** * A count of the number of queries.
| /** * A count of the number of queries.
|
Zeile 51 | Zeile 58 |
---|
* @var boolean */ public $error_reporting = 1;
|
* @var boolean */ public $error_reporting = 1;
|
|
|
/** * The database connection resource. *
| /** * The database connection resource. *
|
Zeile 89 | Zeile 96 |
---|
/** * The extension used to run the SQL database
|
/** * The extension used to run the SQL database
|
* * @var string */
| * * @var string */
|
public $engine = "pdo";
|
public $engine = "pdo";
|
/**
| /**
|
* Weather or not this engine can use the search functionality
|
* Weather or not this engine can use the search functionality
|
*
| *
|
* @var boolean */ public $can_search = true;
|
* @var boolean */ public $can_search = true;
|
/**
| /**
|
* The database encoding currently in use (if supported) * * @var string
| * The database encoding currently in use (if supported) * * @var string
|
Zeile 110 | Zeile 117 |
---|
/** * The time spent performing queries
|
/** * The time spent performing queries
|
*
| *
|
* @var float */ public $query_time = 0;
|
* @var float */ public $query_time = 0;
|
| /** * Our pdo implementation * * @var dbpdoEngine */ var $db;
|
/** * Connect to the database server. *
|
/** * Connect to the database server. *
|
* @param array Array of DBMS connection details. * @return resource The DB connection resource. Returns false on failure.
| * @param array $config Array of DBMS connection details. * @return bool Returns false on failure, otherwise true
|
*/ function connect($config) {
| */ function connect($config) {
|
Zeile 132 | Zeile 146 |
---|
$query_time = get_execution_time();
$this->query_time += $query_time;
|
$query_time = get_execution_time();
$this->query_time += $query_time;
|
|
|
$this->connections[] = "[WRITE] {$config['database']} (Connected in ".format_time_duration($query_time).")";
if($this->db)
| $this->connections[] = "[WRITE] {$config['database']} (Connected in ".format_time_duration($query_time).")";
if($this->db)
|
Zeile 149 | Zeile 163 |
---|
/** * Query the database. *
|
/** * Query the database. *
|
* @param string The query SQL. * @param boolean 1 if hide errors, 0 if not. * @return resource The query data.
| * @param string $string The query SQL. * @param boolean|int $hide_errors 1 if hide errors, 0 if not. * @param integer $write_query 1 if executes on master database, 0 if not. * @return PDOStatement The query data.
|
*/ function query($string, $hide_errors=0, $write_query=0) {
|
*/ function query($string, $hide_errors=0, $write_query=0) {
|
global $pagestarttime, $db, $mybb;
| global $mybb;
|
get_execution_time();
if(strtolower(substr(ltrim($string), 0, 5)) == 'alter')
| get_execution_time();
if(strtolower(substr(ltrim($string), 0, 5)) == 'alter')
|
Zeile 195 | Zeile 210 |
---|
$error = array( "message" => $exception->getMessage(), "code" => $exception->getCode()
|
$error = array( "message" => $exception->getMessage(), "code" => $exception->getCode()
|
);
| );
|
$this->error($error['message'], $error['code']); }
|
$this->error($error['message'], $error['code']); }
|
}
| }
$this->query_objects[] = $query;
|
if($this->error_number($query) > 0 && !$hide_errors) { $this->error($string, $query);
| if($this->error_number($query) > 0 && !$hide_errors) { $this->error($string, $query);
|
Zeile 214 | Zeile 231 |
---|
if($mybb->debug_mode) { $this->explain_query($string, $query_time);
|
if($mybb->debug_mode) { $this->explain_query($string, $query_time);
|
}
| }
|
if(strtolower(substr(ltrim($string), 0, 6)) == "create") { $query->closeCursor();
|
if(strtolower(substr(ltrim($string), 0, 6)) == "create") { $query->closeCursor();
|
return;
| return null;
|
}
return $query;
| }
return $query;
|
Zeile 228 | Zeile 245 |
---|
/** * Explain a query on the database. *
|
/** * 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, $qtime) {
| */ function explain_query($string, $qtime) {
|
Zeile 271 | Zeile 288 |
---|
/** * Execute a write query on the database *
|
/** * Execute a write query on the database *
|
* @param string The query SQL. * @param boolean 1 if hide errors, 0 if not. * @return resource The query data.
| * @param string $query The query SQL. * @param boolean|int $hide_errors 1 if hide errors, 0 if not. * @return PDOStatement The query data.
|
*/ function write_query($query, $hide_errors=0) { return $this->query($query, $hide_errors);
|
*/ function write_query($query, $hide_errors=0) { return $this->query($query, $hide_errors);
|
}
| }
|
/** * Return a result array for a query. *
|
/** * Return a result array for a query. *
|
* @param resource The result data. * @param constant The type of array to return.
| * @param PDOStatement $query The result data. * @param int $resulttype One of PDO's constants: FETCH_ASSOC, FETCH_BOUND, FETCH_CLASS, FETCH_INTO, FETCH_LAZY, FETCH_NAMED, FETCH_NUM, FETCH_OBJ or FETCH_BOTH
|
* @return array The array of results. */ function fetch_array($query, $resulttype=PDO::FETCH_BOTH)
| * @return array The array of results. */ function fetch_array($query, $resulttype=PDO::FETCH_BOTH)
|
Zeile 296 | Zeile 313 |
---|
/** * 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 PDOStatement $query The query ID. * @param string $field The name of the field to return. * @param int|bool $row The number of the row to fetch it from. * @return mixed
|
*/ function fetch_field($query, $field, $row=false) {
| */ function fetch_field($query, $field, $row=false) {
|
Zeile 313 | Zeile 331 |
---|
/** * 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 PDOStatement $query The query ID. * @param int $row The pointer to move the row to.
|
*/ function data_seek($query, $row) {
|
*/ function data_seek($query, $row) {
|
return $this->db->seek($query, $row);
| $this->db->seek($query, $row); }
/** * Closes cursors of registered queries. * */ function close_cursors() { $result = true;
foreach($this->query_objects as $query) { if(!$query->closeCursor()) { $result = false; } }
return $result;
|
}
/** * Return the number of rows resulting from a query. *
|
}
/** * Return the number of rows resulting from a query. *
|
* @param resource The query data.
| * @param PDOStatement $query The query data.
|
* @return int The number of rows in the result. */ function num_rows($query)
|
* @return int The number of rows in the result. */ function num_rows($query)
|
{
| {
|
return $this->db->num_rows($query); }
/** * Return the last id number of inserted data. *
|
return $this->db->num_rows($query); }
/** * Return the last id number of inserted data. *
|
| * @param string $name
|
* @return int The id number. */ function insert_id($name="")
| * @return int The id number. */ function insert_id($name="")
|
Zeile 354 | Zeile 392 |
---|
/** * Return an error number. *
|
/** * Return an error number. *
|
| * @param PDOStatement $query
|
* @return int The error number of the current error. */
|
* @return int The error number of the current error. */
|
function error_number($query="")
| function error_number($query=null)
|
{
|
{
|
if(!$query)
| if($query == null)
|
{ $query = $this->db->last_query; }
|
{ $query = $this->db->last_query; }
|
|
|
$this->error_number = $this->db->error_number($query);
|
$this->error_number = $this->db->error_number($query);
|
|
|
return $this->error_number;
|
return $this->error_number;
|
}
/**
| }
/**
|
* Return an error string. *
|
* Return an error string. *
|
| * @param PDOStatement $query
|
* @return string The explanation for the current error. */
|
* @return string The explanation for the current error. */
|
function error_string($query="")
| function error_string($query=null)
|
{ if($this->error_number != "") {
|
{ if($this->error_number != "") {
|
if(!$query)
| if($query == null)
|
{ $query = $this->db->last_query; }
$error_string = $this->db->error_string($query); $this->error_number = "";
|
{ $query = $this->db->last_query; }
$error_string = $this->db->error_string($query); $this->error_number = "";
|
|
|
return $error_string;
|
return $error_string;
|
}
| }
return '';
|
}
/** * 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 PDOStatement $query * @param string $error * @param int $error_no
|
*/
|
*/
|
function error($string="", $query="", $error="", $error_no="")
| function error($string="", $query=null, $error="", $error_no=0)
|
{
|
{
|
$this->db->roll_back();
| |
if($this->error_reporting) {
|
if($this->error_reporting) {
|
if(!$query) {
| if($query == null) {
|
$query = $this->db->last_query;
|
$query = $this->db->last_query;
|
}
if($error_no == "") { $error_no = $this->error_number($query); }
if($error == "") {
| }
if($error_no == 0) { $error_no = $this->error_number($query); }
if($error == "") {
|
$error = $this->error_string($query); }
| $error = $this->error_string($query); }
|
Zeile 442 | Zeile 485 |
---|
/** * Returns the number of affected rows in a query. *
|
/** * Returns the number of affected rows in a query. *
|
| * @param PDOStatement $query
|
* @return int The number of affected rows. */
|
* @return int The number of affected rows. */
|
function affected_rows($query="")
| function affected_rows($query=null)
|
{
|
{
|
if(!$query)
| if($query == null)
|
{ $query = $this->db->last_query; }
return $this->db->affected_rows($query);
|
{ $query = $this->db->last_query; }
return $this->db->affected_rows($query);
|
}
| }
|
/** * Return the number of fields. *
|
/** * Return the number of fields. *
|
* @param resource The query data.
| * @param PDOStatement $query The query data.
|
* @return int The number of fields. */ function num_fields($query)
| * @return int The number of fields. */ function num_fields($query)
|
Zeile 473 | Zeile 517 |
---|
/** * 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 500 | Zeile 544 |
---|
/** * 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 522 | Zeile 566 |
---|
/** * 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 $table The table name.
|
* @return boolean True when exists, false if not. */ function field_exists($field, $table)
| * @return boolean True when exists, false if not. */ function field_exists($field, $table)
|
Zeile 537 | Zeile 581 |
---|
if($row['name'] == $field) { ++$exists;
|
if($row['name'] == $field) { ++$exists;
|
} }
$query->closeCursor();
| } }
$query->closeCursor();
|
if($exists > 0) {
| if($exists > 0) {
|
Zeile 555 | Zeile 599 |
---|
/** * Add a shutdown query. *
|
/** * Add a shutdown query. *
|
* @param resource The query data. * @param string An optional name for the query.
| * @param PDOStatement $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 574 | Zeile 618 |
---|
/** * 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. * @return resource The query data.
| * @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 $options List of options: group by, order by, order direction, limit, limit start. * @return PDOStatement The query data.
|
*/ function simple_select($table, $fields="*", $conditions="", $options=array()) {
| */ function simple_select($table, $fields="*", $conditions="", $options=array()) {
|
Zeile 587 | Zeile 631 |
---|
if($conditions != "") { $query .= " WHERE ".$conditions;
|
if($conditions != "") { $query .= " WHERE ".$conditions;
|
}
| }
|
if(isset($options['group_by'])) { $query .= " GROUP BY ".$options['group_by'];
| if(isset($options['group_by'])) { $query .= " GROUP BY ".$options['group_by'];
|
Zeile 619 | Zeile 663 |
---|
/** * 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. * @return int The insert ID if available
| * @param string $table The table name to perform the query on. * @param array $array An array of fields and their values. * @return int|bool The insert ID if available or false if an error is found
|
*/ function insert_query($table, $array) {
| */ function insert_query($table, $array) {
|
Zeile 630 | Zeile 674 |
---|
if(!is_array($array)) { return false;
|
if(!is_array($array)) { return false;
|
}
| }
|
foreach($array as $field => $value) {
| foreach($array as $field => $value) {
|
Zeile 663 | Zeile 707 |
---|
/** * 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) { global $mybb;
if(!is_array($array))
|
*/ function insert_query_multiple($table, $array) { global $mybb;
if(!is_array($array))
|
{ return false;
| { return;
|
} // Field names $fields = array_keys($array[0]);
| } // Field names $fields = array_keys($array[0]);
|
Zeile 712 | Zeile 756 |
---|
/** * 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. * @return resource The query data.
| * * @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 $no_quote An option to quote incoming values of the array. * @return PDOStatement The query data.
|
*/ function update_query($table, $array, $where="", $limit="", $no_quote=false) {
| */ function update_query($table, $array, $where="", $limit="", $no_quote=false) {
|
Zeile 756 | Zeile 800 |
---|
$query .= $comma.$field."={$quoted_value}"; } $comma = ', ';
|
$query .= $comma.$field."={$quoted_value}"; } $comma = ', ';
|
}
if(!empty($where))
| }
if(!empty($where))
|
{ $query .= " WHERE $where";
|
{ $query .= " WHERE $where";
|
}
| }
|
$query = $this->query("UPDATE {$this->table_prefix}$table SET $query"); $query->closeCursor(); return $query; }
|
$query = $this->query("UPDATE {$this->table_prefix}$table SET $query"); $query->closeCursor(); return $query; }
|
| /** * @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))
|
{
| {
|
$quoted = $value; } else { $quoted = $quote . $value . $quote;
|
$quoted = $value; } else { $quoted = $quote . $value . $quote;
|
}
| }
|
return $quoted; }
|
return $quoted; }
|
|
|
/** * 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. * @return resource The query data.
| * @param string $table The table name to perform the query on. * @param string $where An optional where clause for the query. * @param string $limit An optional limit clause for the query. * @return PDOStatement The query data.
|
*/ function delete_query($table, $where="", $limit="") {
| */ function delete_query($table, $where="", $limit="") {
|
Zeile 801 | Zeile 851 |
---|
$query = $this->query("DELETE FROM {$this->table_prefix}$table $query"); $query->closeCursor(); return $query;
|
$query = $this->query("DELETE FROM {$this->table_prefix}$table $query"); $query->closeCursor(); return $query;
|
}
/**
| }
/**
|
* Escape a string
|
* Escape a string
|
* * @param string The string to be escaped.
| * * @param string $string The string to be escaped.
|
* @return string The escaped string.
|
* @return string The escaped string.
|
*/
| */
|
function escape_string($string)
|
function escape_string($string)
|
{
| {
|
$string = $this->db->escape_string($string); return $string;
|
$string = $this->db->escape_string($string); return $string;
|
}
| }
|
/** * Serves no purposes except compatibility *
|
/** * Serves no purposes except compatibility *
|
| * @param PDOStatement $query * @return boolean Returns true on success, false on failure
|
*/ function free_result($query)
|
*/ function free_result($query)
|
{ return; }
| { return true; }
|
/** * 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)
|
Zeile 854 | Zeile 906 |
---|
/** * 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 864 | Zeile 916 |
---|
/** * 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 876 | Zeile 928 |
---|
/** * 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. * @return string The MySQL command to create the specified table.
| * @param string $table The name of the table. * @return string The SQLite command to create the specified table.
|
*/ function show_create_table($table) { $old_tbl_prefix = $this->table_prefix; $this->set_table_prefix(""); $query = $this->simple_select("sqlite_master", "sql", "type = 'table' AND name = '{$old_tbl_prefix}{$table}' ORDER BY type DESC, name");
|
*/ function show_create_table($table) { $old_tbl_prefix = $this->table_prefix; $this->set_table_prefix(""); $query = $this->simple_select("sqlite_master", "sql", "type = 'table' AND name = '{$old_tbl_prefix}{$table}' ORDER BY type DESC, name");
|
$this->set_table_prefix($old_tbl_prefix);
$result = $this->fetch_field($query, 'sql');
| $this->set_table_prefix($old_tbl_prefix);
$result = $this->fetch_field($query, 'sql');
|
$query->closeCursor();
| $query->closeCursor();
|
Zeile 896 | Zeile 948 |
---|
/** * 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 926 | Zeile 978 |
---|
/** * 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 938 | Zeile 990 |
---|
/** * 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. */
| * @return boolean True or false if supported or not. */
|
Zeile 950 | Zeile 1002 |
---|
/** * 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 961 | Zeile 1013 |
---|
/** * 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="") {
|
Zeile 973 | Zeile 1026 |
---|
/** * Drop an index with the specified name from the specified table *
|
/** * 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 985 | Zeile 1038 |
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/** * 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 996 | Zeile 1050 |
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/** * 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 1032 | Zeile 1086 |
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/** * 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 $table_prefix use table prefix * @return PDOStatement
|
*/ function rename_table($old_table, $new_table, $table_prefix=true) {
| */ function rename_table($old_table, $new_table, $table_prefix=true) {
|
Zeile 1055 | Zeile 1110 |
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/** * 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 $insert_id Whether or not to return an insert id. True by default * @return int|PDOStatement|bool Returns either the insert id (if a new row is inserted), the query resource (if a row is updated) or false on failure
|
*/ function replace_query($table, $replacements=array(), $default_field="", $insert_id=true) {
| */ function replace_query($table, $replacements=array(), $default_field="", $insert_id=true) {
|
Zeile 1137 | Zeile 1193 |
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} else {
|
} else {
|
return $this->insert_query($table, $replacements, $insert_id);
| return $this->insert_query($table, $replacements);
|
} } }
| } } }
|
Zeile 1145 | Zeile 1201 |
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/** * 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 1155 | Zeile 1211 |
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/** * 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) (ignored)
| * @param string $table The table (optional) (ignored)
|
* @return integer the total size of all mysql tables or a specific table */ function fetch_size($table='')
| * @return integer the total size of all mysql tables or a specific table */ function fetch_size($table='')
|
Zeile 1173 | Zeile 1229 |
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/** * Perform an "Alter Table" query in SQLite < 3.2.0 - Code taken from http://code.jenseng.com/db/ *
|
/** * Perform an "Alter Table" query in SQLite < 3.2.0 - Code taken from http://code.jenseng.com/db/ *
|
* @param string The table (optional) * @return integer the total size of all mysql tables or a specific table
| * @param string $table The table (optional) * @param string $alterdefs * @param string $fullquery * @return bool True on success, false on failure
|
*/ function alter_table_parse($table, $alterdefs, $fullquery="") {
| */ function alter_table_parse($table, $alterdefs, $fullquery="") {
|
Zeile 1198 | Zeile 1256 |
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$tmpname = 't'.TIME_NOW; $origsql = trim(preg_replace("/[\s]+/", " ", str_replace(",", ", ", preg_replace("/[\(]/","( ", $row['sql'], 1)))); $createtemptableSQL = 'CREATE TEMPORARY '.substr(trim(preg_replace("'".$table."'", $tmpname, $origsql, 1)), 6);
|
$tmpname = 't'.TIME_NOW; $origsql = trim(preg_replace("/[\s]+/", " ", str_replace(",", ", ", preg_replace("/[\(]/","( ", $row['sql'], 1)))); $createtemptableSQL = 'CREATE TEMPORARY '.substr(trim(preg_replace("'".$table."'", $tmpname, $origsql, 1)), 6);
|
$createindexsql = array(); $i = 0;
| |
$defs = preg_split("/[,]+/", $alterdefs, -1, PREG_SPLIT_NO_EMPTY); $prevword = $table; $oldcols = preg_split("/[,]+/", substr(trim($createtemptableSQL), strpos(trim($createtemptableSQL), '(')+1), -1, PREG_SPLIT_NO_EMPTY);
| $defs = preg_split("/[,]+/", $alterdefs, -1, PREG_SPLIT_NO_EMPTY); $prevword = $table; $oldcols = preg_split("/[,]+/", substr(trim($createtemptableSQL), strpos(trim($createtemptableSQL), '(')+1), -1, PREG_SPLIT_NO_EMPTY);
|
Zeile 1353 | Zeile 1409 |
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$this->error($fullquery, 'no such table: '.$table); return false; }
|
$this->error($fullquery, 'no such table: '.$table); return false; }
|
return true; } }
/**
| } return true; }
/**
|
* Drops a column *
|
* Drops a column *
|
* @param string The table * @param string The column name
| * @param string $table The table * @param string $column The column name * @return PDOStatement
|
*/ function drop_column($table, $column)
|
*/ function drop_column($table, $column)
|
{
| {
|
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} DROP {$column}");
|
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} DROP {$column}");
|
}
/**
| }
/**
|
* 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 $definition the new column definition * @return PDOStatement
|
*/ function add_column($table, $column, $definition)
|
*/ function add_column($table, $column, $definition)
|
{
| {
|
$query = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ADD {$column} {$definition}"); $query->closeCursor(); return $query;
|
$query = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ADD {$column} {$definition}"); $query->closeCursor(); return $query;
|
}
| }
|
/** * Modifies a column
|
/** * Modifies a column
|
* * @param string The table * @param string The column name * @param string the new column definition */ function modify_column($table, $column, $new_definition)
| * * @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)
|
{ // We use a rename query as both need to duplicate the table etc...
|
{ // We use a rename query as both need to duplicate the table etc...
|
$this->rename_column($table, $column, $column, $new_definition);
| return $this->rename_column($table, $column, $column, $new_definition, $new_not_null, $new_default_value);
|
}
/** * 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 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, $new_definition)
| function rename_column($table, $old_column, $new_column, $new_definition, $new_not_null=false, $new_default_value=false)
|
{
|
{
|
| if($new_not_null !== false) { if(strtolower($new_not_null) == "set") { $not_null = "NOT NULL"; } else { $not_null = "NULL"; } } else { $not_null = ''; }
if($new_default_value !== false) { $default = "DEFAULT ".$new_default_value; } else { $default = ''; }
|
// This will trigger the "alter_table_parse" function which will copy the table and rename the column
|
// This will trigger the "alter_table_parse" function which will copy the table and rename the column
|
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} CHANGE {$old_column} {$new_column} {$new_definition}");
| return (bool) $this->write_query("ALTER TABLE {$this->table_prefix}{$table} CHANGE {$old_column} {$new_column} {$new_definition} {$not_null} {$default}");
|
}
/** * 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 1422 | Zeile 1511 |
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/** * 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 1453 | Zeile 1542 |
---|
/** * 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 1464 | Zeile 1553 |
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/** * 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)
|