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Ugly patch to maintain old DB handle code working quietly

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We have to replace this database engine with a modern one
This commit is contained in:
Diogo Cordeiro
2019-04-27 18:21:14 +01:00
parent d75b5d2f4a
commit daa5f87fd4
21 changed files with 7017 additions and 7099 deletions
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321
extlib/DB/mysql.php
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@@ -27,7 +27,8 @@
/**
* Obtain the DB_common class so it can be extended from
*/
require_once 'DB/common.php';
//require_once 'DB/common.php';
require_once 'common.php';
/**
* The methods PEAR DB uses to interact with PHP's mysql extension
@@ -74,13 +75,13 @@ class DB_mysql extends DB_common
* @var array
*/
public $features = array(
'limit' => 'alter',
'new_link' => '4.2.0',
'numrows' => true,
'pconnect' => true,
'prepare' => false,
'ssl' => false,
'transactions' => true,
'limit' => 'alter',
'new_link' => '4.2.0',
'numrows' => true,
'pconnect' => true,
'prepare' => false,
'ssl' => false,
'transactions' => true,
);
/**
@@ -188,10 +189,10 @@ class DB_mysql extends DB_common
* Only used if PHP is at version 4.3.0 or greater.
* Available since PEAR DB 1.7.0.
*
* @param array $dsn the data source name
* @param bool $persistent should the connection be persistent?
* @param array $dsn the data source name
* @param bool $persistent should the connection be persistent?
*
* @return int DB_OK on success. A DB_Error object on failure.
* @return int|object
*/
public function connect($dsn, $persistent = false)
{
@@ -209,7 +210,7 @@ class DB_mysql extends DB_common
$params[0] = ':' . $dsn['socket'];
} else {
$params[0] = $dsn['hostspec'] ? $dsn['hostspec']
: 'localhost';
: 'localhost';
if ($dsn['port']) {
$params[0] .= ':' . $dsn['port'];
}
@@ -227,7 +228,7 @@ class DB_mysql extends DB_common
}
if (version_compare(phpversion(), '4.3.0', '>=')) {
$params[] = isset($dsn['client_flags'])
? $dsn['client_flags'] : null;
? $dsn['client_flags'] : null;
}
$connect_function = $persistent ? 'mysql_pconnect' : 'mysql_connect';
@@ -281,6 +282,46 @@ class DB_mysql extends DB_common
// }}}
// {{{ disconnect()
/**
* Produces a DB_Error object regarding the current problem
*
* @param int $errno if the error is being manually raised pass a
* DB_ERROR* constant here. If this isn't passed
* the error information gathered from the DBMS.
*
* @return object the DB_Error object
*
* @see DB_common::raiseError(),
* DB_mysql::errorNative(), DB_common::errorCode()
*/
public function mysqlRaiseError($errno = null)
{
if ($errno === null) {
if ($this->options['portability'] & DB_PORTABILITY_ERRORS) {
$this->errorcode_map[1022] = DB_ERROR_CONSTRAINT;
$this->errorcode_map[1048] = DB_ERROR_CONSTRAINT_NOT_NULL;
$this->errorcode_map[1062] = DB_ERROR_CONSTRAINT;
} else {
// Doing this in case mode changes during runtime.
$this->errorcode_map[1022] = DB_ERROR_ALREADY_EXISTS;
$this->errorcode_map[1048] = DB_ERROR_CONSTRAINT;
$this->errorcode_map[1062] = DB_ERROR_ALREADY_EXISTS;
}
$errno = $this->errorCode(mysql_errno($this->connection));
}
return $this->raiseError(
$errno,
null,
null,
null,
@mysql_errno($this->connection) . ' ** ' .
@mysql_error($this->connection)
);
}
// }}}
// {{{ simpleQuery()
/**
* Disconnects from the database server
*
@@ -294,7 +335,7 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ simpleQuery()
// {{{ nextResult()
/**
* Sends a query to the database server
@@ -344,7 +385,40 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ nextResult()
// {{{ fetchInto()
/**
* Changes a query string for various DBMS specific reasons
*
* This little hack lets you know how many rows were deleted
* when running a "DELETE FROM table" query. Only implemented
* if the DB_PORTABILITY_DELETE_COUNT portability option is on.
*
* @param string $query the query string to modify
*
* @return string the modified query string
*
* @access protected
* @see DB_common::setOption()
*/
public function modifyQuery($query)
{
if ($this->options['portability'] & DB_PORTABILITY_DELETE_COUNT) {
// "DELETE FROM table" gives 0 affected rows in MySQL.
// This little hack lets you know how many rows were deleted.
if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {
$query = preg_replace(
'/^\s*DELETE\s+FROM\s+(\S+)\s*$/',
'DELETE FROM \1 WHERE 1=1',
$query
);
}
}
return $query;
}
// }}}
// {{{ freeResult()
/**
* Move the internal mysql result pointer to the next available result
@@ -361,7 +435,7 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ fetchInto()
// {{{ numCols()
/**
* Places a row from the result set into the given array
@@ -373,10 +447,10 @@ class DB_mysql extends DB_common
* DB_result::fetchInto() instead. It can't be declared "protected"
* because DB_result is a separate object.
*
* @param resource $result the query result resource
* @param array $arr the referenced array to put the data in
* @param int $fetchmode how the resulting array should be indexed
* @param int $rownum the row number to fetch (0 = first row)
* @param resource $result the query result resource
* @param array $arr the referenced array to put the data in
* @param int $fetchmode how the resulting array should be indexed
* @param int $rownum the row number to fetch (0 = first row)
*
* @return mixed DB_OK on success, NULL when the end of a result set is
* reached or on failure
@@ -416,7 +490,7 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ freeResult()
// {{{ numRows()
/**
* Deletes the result set and frees the memory occupied by the result set
@@ -425,7 +499,7 @@ class DB_mysql extends DB_common
* DB_result::free() instead. It can't be declared "protected"
* because DB_result is a separate object.
*
* @param resource $result PHP's query result resource
* @param resource $result PHP's query result resource
*
* @return bool TRUE on success, FALSE if $result is invalid
*
@@ -437,7 +511,7 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ numCols()
// {{{ autoCommit()
/**
* Gets the number of columns in a result set
@@ -446,9 +520,9 @@ class DB_mysql extends DB_common
* DB_result::numCols() instead. It can't be declared "protected"
* because DB_result is a separate object.
*
* @param resource $result PHP's query result resource
* @param resource $result PHP's query result resource
*
* @return int the number of columns. A DB_Error object on failure.
* @return int|object
*
* @see DB_result::numCols()
*/
@@ -462,7 +536,7 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ numRows()
// {{{ commit()
/**
* Gets the number of rows in a result set
@@ -471,9 +545,9 @@ class DB_mysql extends DB_common
* DB_result::numRows() instead. It can't be declared "protected"
* because DB_result is a separate object.
*
* @param resource $result PHP's query result resource
* @param resource $result PHP's query result resource
*
* @return int the number of rows. A DB_Error object on failure.
* @return int|object
*
* @see DB_result::numRows()
*/
@@ -487,12 +561,12 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ autoCommit()
// {{{ rollback()
/**
* Enables or disables automatic commits
*
* @param bool $onoff true turns it on, false turns it off
* @param bool $onoff true turns it on, false turns it off
*
* @return int DB_OK on success. A DB_Error object if the driver
* doesn't support auto-committing transactions.
@@ -506,12 +580,12 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ commit()
// {{{ affectedRows()
/**
* Commits the current transaction
*
* @return int DB_OK on success. A DB_Error object on failure.
* @return int|object
*/
public function commit()
{
@@ -532,12 +606,12 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ rollback()
// {{{ nextId()
/**
* Reverts the current transaction
*
* @return int DB_OK on success. A DB_Error object on failure.
* @return int|object
*/
public function rollback()
{
@@ -558,7 +632,7 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ affectedRows()
// {{{ createSequence()
/**
* Determines the number of rows affected by a data maniuplation query
@@ -577,16 +651,16 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ nextId()
// {{{ dropSequence()
/**
* Returns the next free id in a sequence
*
* @param string $seq_name name of the sequence
* @param boolean $ondemand when true, the seqence is automatically
* @param string $seq_name name of the sequence
* @param boolean $ondemand when true, the seqence is automatically
* created if it does not exist
*
* @return int the next id number in the sequence.
* @return int|object
* A DB_Error object on failure.
*
* @see DB_common::nextID(), DB_common::getSequenceName(),
@@ -598,8 +672,8 @@ class DB_mysql extends DB_common
do {
$repeat = 0;
$this->pushErrorHandling(PEAR_ERROR_RETURN);
$result = $this->query("UPDATE ${seqname} ".
'SET id=LAST_INSERT_ID(id+1)');
$result = $this->query("UPDATE ${seqname} " .
'SET id=LAST_INSERT_ID(id+1)');
$this->popErrorHandling();
if ($result === DB_OK) {
// COMMON CASE
@@ -627,7 +701,7 @@ class DB_mysql extends DB_common
// Release the lock
$result = $this->getOne('SELECT RELEASE_LOCK('
. "'${seqname}_lock')");
. "'${seqname}_lock')");
if (DB::isError($result)) {
return $this->raiseError($result);
}
@@ -643,7 +717,7 @@ class DB_mysql extends DB_common
$repeat = 1;
}
} elseif (DB::isError($result) &&
$result->getCode() == DB_ERROR_ALREADY_EXISTS) {
$result->getCode() == DB_ERROR_ALREADY_EXISTS) {
// BACKWARDS COMPAT
// see _BCsequence() comment
$result = $this->_BCsequence($seqname);
@@ -658,12 +732,12 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ createSequence()
// {{{ _BCsequence()
/**
* Creates a new sequence
*
* @param string $seq_name name of the new sequence
* @param string $seq_name name of the new sequence
*
* @return int DB_OK on success. A DB_Error object on failure.
*
@@ -674,8 +748,8 @@ class DB_mysql extends DB_common
{
$seqname = $this->getSequenceName($seq_name);
$res = $this->query('CREATE TABLE ' . $seqname
. ' (id INTEGER UNSIGNED AUTO_INCREMENT NOT NULL,'
. ' PRIMARY KEY(id))');
. ' (id INTEGER UNSIGNED AUTO_INCREMENT NOT NULL,'
. ' PRIMARY KEY(id))');
if (DB::isError($res)) {
return $res;
}
@@ -689,33 +763,15 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ dropSequence()
/**
* Deletes a sequence
*
* @param string $seq_name name of the sequence to be deleted
*
* @return int DB_OK on success. A DB_Error object on failure.
*
* @see DB_common::dropSequence(), DB_common::getSequenceName(),
* DB_mysql::nextID(), DB_mysql::createSequence()
*/
public function dropSequence($seq_name)
{
return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name));
}
// }}}
// {{{ _BCsequence()
// {{{ quoteIdentifier()
/**
* Backwards compatibility with old sequence emulation implementation
* (clean up the dupes)
*
* @param string $seqname the sequence name to clean up
* @param string $seqname the sequence name to clean up
*
* @return bool true on success. A DB_Error object on failure.
* @return bool|object
*
* @access private
*/
@@ -742,7 +798,7 @@ class DB_mysql extends DB_common
// We should probably do something if $highest_id isn't
// numeric, but I'm at a loss as how to handle that...
$result = $this->query('DELETE FROM ' . $seqname
. " WHERE id <> $highest_id");
. " WHERE id <> $highest_id");
if (DB::isError($result)) {
return $result;
}
@@ -758,7 +814,25 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ quoteIdentifier()
// {{{ escapeSimple()
/**
* Deletes a sequence
*
* @param string $seq_name name of the sequence to be deleted
*
* @return int DB_OK on success. A DB_Error object on failure.
*
* @see DB_common::dropSequence(), DB_common::getSequenceName(),
* DB_mysql::nextID(), DB_mysql::createSequence()
*/
public function dropSequence($seq_name)
{
return $this->query('DROP TABLE ' . $this->getSequenceName($seq_name));
}
// }}}
// {{{ modifyQuery()
/**
* Quotes a string so it can be safely used as a table or column name
@@ -767,7 +841,7 @@ class DB_mysql extends DB_common
* WARNING: Older versions of MySQL can't handle the backtick
* character (<kbd>`</kbd>) in table or column names.
*
* @param string $str identifier name to be quoted
* @param string $str identifier name to be quoted
*
* @return string quoted identifier string
*
@@ -780,12 +854,12 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ escapeSimple()
// {{{ modifyLimitQuery()
/**
* Escapes a string according to the current DBMS's standards
*
* @param string $str the string to be escaped
* @param string $str the string to be escaped
*
* @return string the escaped string
*
@@ -802,48 +876,15 @@ class DB_mysql extends DB_common
}
// }}}
// {{{ modifyQuery()
/**
* Changes a query string for various DBMS specific reasons
*
* This little hack lets you know how many rows were deleted
* when running a "DELETE FROM table" query. Only implemented
* if the DB_PORTABILITY_DELETE_COUNT portability option is on.
*
* @param string $query the query string to modify
*
* @return string the modified query string
*
* @access protected
* @see DB_common::setOption()
*/
public function modifyQuery($query)
{
if ($this->options['portability'] & DB_PORTABILITY_DELETE_COUNT) {
// "DELETE FROM table" gives 0 affected rows in MySQL.
// This little hack lets you know how many rows were deleted.
if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {
$query = preg_replace(
'/^\s*DELETE\s+FROM\s+(\S+)\s*$/',
'DELETE FROM \1 WHERE 1=1',
$query
);
}
}
return $query;
}
// }}}
// {{{ modifyLimitQuery()
// {{{ mysqlRaiseError()
/**
* Adds LIMIT clauses to a query string according to current DBMS standards
*
* @param string $query the query to modify
* @param int $from the row to start to fetching (0 = the first row)
* @param int $count the numbers of rows to fetch
* @param mixed $params array, string or numeric data to be used in
* @param string $query the query to modify
* @param int $from the row to start to fetching (0 = the first row)
* @param int $count the numbers of rows to fetch
* @param mixed $params array, string or numeric data to be used in
* execution of the statement. Quantity of items
* passed must match quantity of placeholders in
* query: meaning 1 placeholder for non-array
@@ -862,46 +903,6 @@ class DB_mysql extends DB_common
}
}
// }}}
// {{{ mysqlRaiseError()
/**
* Produces a DB_Error object regarding the current problem
*
* @param int $errno if the error is being manually raised pass a
* DB_ERROR* constant here. If this isn't passed
* the error information gathered from the DBMS.
*
* @return object the DB_Error object
*
* @see DB_common::raiseError(),
* DB_mysql::errorNative(), DB_common::errorCode()
*/
public function mysqlRaiseError($errno = null)
{
if ($errno === null) {
if ($this->options['portability'] & DB_PORTABILITY_ERRORS) {
$this->errorcode_map[1022] = DB_ERROR_CONSTRAINT;
$this->errorcode_map[1048] = DB_ERROR_CONSTRAINT_NOT_NULL;
$this->errorcode_map[1062] = DB_ERROR_CONSTRAINT;
} else {
// Doing this in case mode changes during runtime.
$this->errorcode_map[1022] = DB_ERROR_ALREADY_EXISTS;
$this->errorcode_map[1048] = DB_ERROR_CONSTRAINT;
$this->errorcode_map[1062] = DB_ERROR_ALREADY_EXISTS;
}
$errno = $this->errorCode(mysql_errno($this->connection));
}
return $this->raiseError(
$errno,
null,
null,
null,
@mysql_errno($this->connection) . ' ** ' .
@mysql_error($this->connection)
);
}
// }}}
// {{{ errorNative()
@@ -921,14 +922,14 @@ class DB_mysql extends DB_common
/**
* Returns information about a table or a result set
*
* @param object|string $result DB_result object from a query or a
* @param object|string $result DB_result object from a query or a
* string containing the name of a table.
* While this also accepts a query result
* resource identifier, this behavior is
* deprecated.
* @param int $mode a valid tableInfo mode
* @param int $mode a valid tableInfo mode
*
* @return array an associative array with the information requested.
* @return array|object
* A DB_Error object on failure.
*
* @see DB_common::tableInfo()
@@ -942,7 +943,7 @@ class DB_mysql extends DB_common
return $this->mysqlRaiseError(DB_ERROR_NODBSELECTED);
}
}
/*
* Probably received a table name.
* Create a result resource identifier.
@@ -980,7 +981,7 @@ class DB_mysql extends DB_common
}
$count = @mysql_num_fields($id);
$res = array();
$res = array();
if ($mode) {
$res['num_fields'] = $count;
@@ -989,9 +990,9 @@ class DB_mysql extends DB_common
for ($i = 0; $i < $count; $i++) {
$res[$i] = array(
'table' => $case_func(@mysql_field_table($id, $i)),
'name' => $case_func(@mysql_field_name($id, $i)),
'type' => @mysql_field_type($id, $i),
'len' => @mysql_field_len($id, $i),
'name' => $case_func(@mysql_field_name($id, $i)),
'type' => @mysql_field_type($id, $i),
'len' => @mysql_field_len($id, $i),
'flags' => @mysql_field_flags($id, $i),
);
if ($mode & DB_TABLEINFO_ORDER) {
@@ -1015,7 +1016,7 @@ class DB_mysql extends DB_common
/**
* Obtains the query string needed for listing a given type of objects
*
* @param string $type the kind of objects you want to retrieve
* @param string $type the kind of objects you want to retrieve
*
* @return string the SQL query string or null if the driver doesn't
* support the object type requested