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|
<?php
/**
*
* @package phpBB3
* @copyright (c) 2006 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
* This file creates new schema files for every database.
* The filenames will be prefixed with an underscore to not overwrite the current schema files.
*
* If you overwrite the original schema files please make sure you save the file with UNIX linefeeds.
*/
$schema_path = dirname(__FILE__) . '/../install/schemas/';
if (!is_writable($schema_path))
{
die('Schema path not writable');
}
define('IN_PHPBB', true);
require(dirname(__FILE__) . '/../includes/db/schema_data.php');
require(dirname(__FILE__) . '/../phpbb/db/tools.php');
$dbms_type_map = phpbb\db\tools::get_dbms_type_map();
// A list of types being unsigned for better reference in some db's
$unsigned_types = array('UINT', 'UINT:', 'USINT', 'BOOL', 'TIMESTAMP');
$supported_dbms = array('firebird', 'mssql', 'mysql_40', 'mysql_41', 'oracle', 'postgres', 'sqlite');
foreach ($supported_dbms as $dbms)
{
$fp = fopen($schema_path . $dbms . '_schema.sql', 'wb');
$line = '';
// Write Header
switch ($dbms)
{
case 'mysql_40':
case 'mysql_41':
case 'firebird':
case 'sqlite':
fwrite($fp, "# DO NOT EDIT THIS FILE, IT IS GENERATED\n");
fwrite($fp, "#\n");
fwrite($fp, "# To change the contents of this file, edit\n");
fwrite($fp, "# phpBB/develop/create_schema_files.php and\n");
fwrite($fp, "# run it.\n");
break;
case 'mssql':
case 'oracle':
case 'postgres':
fwrite($fp, "/*\n");
fwrite($fp, " * DO NOT EDIT THIS FILE, IT IS GENERATED\n");
fwrite($fp, " *\n");
fwrite($fp, " * To change the contents of this file, edit\n");
fwrite($fp, " * phpBB/develop/create_schema_files.php and\n");
fwrite($fp, " * run it.\n");
fwrite($fp, " */\n\n");
break;
}
switch ($dbms)
{
case 'firebird':
$line .= custom_data('firebird') . "\n";
break;
case 'sqlite':
$line .= "BEGIN TRANSACTION;\n\n";
break;
case 'oracle':
$line .= custom_data('oracle') . "\n";
break;
case 'postgres':
$line .= "BEGIN;\n\n";
$line .= custom_data('postgres') . "\n";
break;
}
fwrite($fp, $line);
foreach ($schema_data as $table_name => $table_data)
{
// Write comment about table
switch ($dbms)
{
case 'mysql_40':
case 'mysql_41':
case 'firebird':
case 'sqlite':
fwrite($fp, "# Table: '{$table_name}'\n");
break;
case 'mssql':
case 'oracle':
case 'postgres':
fwrite($fp, "/*\n\tTable: '{$table_name}'\n*/\n");
break;
}
// Create Table statement
$generator = $textimage = false;
$line = '';
switch ($dbms)
{
case 'mysql_40':
case 'mysql_41':
case 'firebird':
case 'oracle':
case 'sqlite':
case 'postgres':
$line = "CREATE TABLE {$table_name} (\n";
break;
case 'mssql':
$line = "CREATE TABLE [{$table_name}] (\n";
break;
}
// Table specific so we don't get overlap
$modded_array = array();
// Write columns one by one...
foreach ($table_data['COLUMNS'] as $column_name => $column_data)
{
if (strlen($column_name) > 30)
{
trigger_error("Column name '$column_name' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR);
}
if (isset($column_data[2]) && $column_data[2] == 'auto_increment' && strlen($column_name) > 26) // "${column_name}_gen"
{
trigger_error("Index name '${column_name}_gen' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR);
}
// Get type
if (strpos($column_data[0], ':') !== false)
{
list($orig_column_type, $column_length) = explode(':', $column_data[0]);
if (!is_array($dbms_type_map[$dbms][$orig_column_type . ':']))
{
$column_type = sprintf($dbms_type_map[$dbms][$orig_column_type . ':'], $column_length);
}
else
{
if (isset($dbms_type_map[$dbms][$orig_column_type . ':']['rule']))
{
switch ($dbms_type_map[$dbms][$orig_column_type . ':']['rule'][0])
{
case 'div':
$column_length /= $dbms_type_map[$dbms][$orig_column_type . ':']['rule'][1];
$column_length = ceil($column_length);
$column_type = sprintf($dbms_type_map[$dbms][$orig_column_type . ':'][0], $column_length);
break;
}
}
if (isset($dbms_type_map[$dbms][$orig_column_type . ':']['limit']))
{
switch ($dbms_type_map[$dbms][$orig_column_type . ':']['limit'][0])
{
case 'mult':
$column_length *= $dbms_type_map[$dbms][$orig_column_type . ':']['limit'][1];
if ($column_length > $dbms_type_map[$dbms][$orig_column_type . ':']['limit'][2])
{
$column_type = $dbms_type_map[$dbms][$orig_column_type . ':']['limit'][3];
$modded_array[$column_name] = $column_type;
}
else
{
$column_type = sprintf($dbms_type_map[$dbms][$orig_column_type . ':'][0], $column_length);
}
break;
}
}
}
$orig_column_type .= ':';
}
else
{
$orig_column_type = $column_data[0];
$column_type = $dbms_type_map[$dbms][$column_data[0]];
if ($column_type == 'text' || $column_type == 'blob')
{
$modded_array[$column_name] = $column_type;
}
}
// Adjust default value if db-dependent specified
if (is_array($column_data[1]))
{
$column_data[1] = (isset($column_data[1][$dbms])) ? $column_data[1][$dbms] : $column_data[1]['default'];
}
switch ($dbms)
{
case 'mysql_40':
case 'mysql_41':
$line .= "\t{$column_name} {$column_type} ";
// For hexadecimal values do not use single quotes
if (!is_null($column_data[1]) && substr($column_type, -4) !== 'text' && substr($column_type, -4) !== 'blob')
{
$line .= (strpos($column_data[1], '0x') === 0) ? "DEFAULT {$column_data[1]} " : "DEFAULT '{$column_data[1]}' ";
}
$line .= 'NOT NULL';
if (isset($column_data[2]))
{
if ($column_data[2] == 'auto_increment')
{
$line .= ' auto_increment';
}
else if ($dbms === 'mysql_41' && $column_data[2] == 'true_sort')
{
$line .= ' COLLATE utf8_unicode_ci';
}
}
$line .= ",\n";
break;
case 'sqlite':
if (isset($column_data[2]) && $column_data[2] == 'auto_increment')
{
$line .= "\t{$column_name} INTEGER PRIMARY KEY ";
$generator = $column_name;
}
else
{
$line .= "\t{$column_name} {$column_type} ";
}
$line .= 'NOT NULL ';
$line .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}'" : '';
$line .= ",\n";
break;
case 'firebird':
$line .= "\t{$column_name} {$column_type} ";
if (!is_null($column_data[1]))
{
$line .= 'DEFAULT ' . ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ' ';
}
$line .= 'NOT NULL';
// This is a UNICODE column and thus should be given it's fair share
if (preg_match('/^X?STEXT_UNI|VCHAR_(CI|UNI:?)/', $column_data[0]))
{
$line .= ' COLLATE UNICODE';
}
$line .= ",\n";
if (isset($column_data[2]) && $column_data[2] == 'auto_increment')
{
$generator = $column_name;
}
break;
case 'mssql':
if ($column_type == '[text]')
{
$textimage = true;
}
$line .= "\t[{$column_name}] {$column_type} ";
if (!is_null($column_data[1]))
{
// For hexadecimal values do not use single quotes
if (strpos($column_data[1], '0x') === 0)
{
$line .= 'DEFAULT (' . $column_data[1] . ') ';
}
else
{
$line .= 'DEFAULT (' . ((is_numeric($column_data[1])) ? $column_data[1] : "'{$column_data[1]}'") . ') ';
}
}
if (isset($column_data[2]) && $column_data[2] == 'auto_increment')
{
$line .= 'IDENTITY (1, 1) ';
}
$line .= 'NOT NULL';
$line .= " ,\n";
break;
case 'oracle':
$line .= "\t{$column_name} {$column_type} ";
$line .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}' " : '';
// In Oracle empty strings ('') are treated as NULL.
// Therefore in oracle we allow NULL's for all DEFAULT '' entries
$line .= ($column_data[1] === '') ? ",\n" : "NOT NULL,\n";
if (isset($column_data[2]) && $column_data[2] == 'auto_increment')
{
$generator = $column_name;
}
break;
case 'postgres':
$line .= "\t{$column_name} {$column_type} ";
if (isset($column_data[2]) && $column_data[2] == 'auto_increment')
{
$line .= "DEFAULT nextval('{$table_name}_seq'),\n";
// Make sure the sequence will be created before creating the table
$line = "CREATE SEQUENCE {$table_name}_seq;\n\n" . $line;
}
else
{
$line .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}' " : '';
$line .= "NOT NULL";
// Unsigned? Then add a CHECK contraint
if (in_array($orig_column_type, $unsigned_types))
{
$line .= " CHECK ({$column_name} >= 0)";
}
$line .= ",\n";
}
break;
}
}
switch ($dbms)
{
case 'firebird':
// Remove last line delimiter...
$line = substr($line, 0, -2);
$line .= "\n);;\n\n";
break;
case 'mssql':
$line = substr($line, 0, -2);
$line .= "\n) ON [PRIMARY]" . (($textimage) ? ' TEXTIMAGE_ON [PRIMARY]' : '') . "\n";
$line .= "GO\n\n";
break;
}
// Write primary key
if (isset($table_data['PRIMARY_KEY']))
{
if (!is_array($table_data['PRIMARY_KEY']))
{
$table_data['PRIMARY_KEY'] = array($table_data['PRIMARY_KEY']);
}
switch ($dbms)
{
case 'mysql_40':
case 'mysql_41':
case 'postgres':
$line .= "\tPRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . "),\n";
break;
case 'firebird':
$line .= "ALTER TABLE {$table_name} ADD PRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . ");;\n\n";
break;
case 'sqlite':
if ($generator === false || !in_array($generator, $table_data['PRIMARY_KEY']))
{
$line .= "\tPRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . "),\n";
}
break;
case 'mssql':
$line .= "ALTER TABLE [{$table_name}] WITH NOCHECK ADD \n";
$line .= "\tCONSTRAINT [PK_{$table_name}] PRIMARY KEY CLUSTERED \n";
$line .= "\t(\n";
$line .= "\t\t[" . implode("],\n\t\t[", $table_data['PRIMARY_KEY']) . "]\n";
$line .= "\t) ON [PRIMARY] \n";
$line .= "GO\n\n";
break;
case 'oracle':
$line .= "\tCONSTRAINT pk_{$table_name} PRIMARY KEY (" . implode(', ', $table_data['PRIMARY_KEY']) . "),\n";
break;
}
}
switch ($dbms)
{
case 'oracle':
// UNIQUE contrains to be added?
if (isset($table_data['KEYS']))
{
foreach ($table_data['KEYS'] as $key_name => $key_data)
{
if (!is_array($key_data[1]))
{
$key_data[1] = array($key_data[1]);
}
if ($key_data[0] == 'UNIQUE')
{
$line .= "\tCONSTRAINT u_phpbb_{$key_name} UNIQUE (" . implode(', ', $key_data[1]) . "),\n";
}
}
}
// Remove last line delimiter...
$line = substr($line, 0, -2);
$line .= "\n)\n/\n\n";
break;
case 'postgres':
// Remove last line delimiter...
$line = substr($line, 0, -2);
$line .= "\n);\n\n";
break;
case 'sqlite':
// Remove last line delimiter...
$line = substr($line, 0, -2);
$line .= "\n);\n\n";
break;
}
// Write Keys
if (isset($table_data['KEYS']))
{
foreach ($table_data['KEYS'] as $key_name => $key_data)
{
if (!is_array($key_data[1]))
{
$key_data[1] = array($key_data[1]);
}
if (strlen($table_name . $key_name) > 30)
{
trigger_error("Index name '${table_name}_$key_name' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR);
}
switch ($dbms)
{
case 'mysql_40':
case 'mysql_41':
$line .= ($key_data[0] == 'INDEX') ? "\tKEY" : '';
$line .= ($key_data[0] == 'UNIQUE') ? "\tUNIQUE" : '';
foreach ($key_data[1] as $key => $col_name)
{
if (isset($modded_array[$col_name]))
{
switch ($modded_array[$col_name])
{
case 'text':
case 'blob':
$key_data[1][$key] = $col_name . '(255)';
break;
}
}
}
$line .= ' ' . $key_name . ' (' . implode(', ', $key_data[1]) . "),\n";
break;
case 'firebird':
$line .= ($key_data[0] == 'INDEX') ? 'CREATE INDEX' : '';
$line .= ($key_data[0] == 'UNIQUE') ? 'CREATE UNIQUE INDEX' : '';
$line .= ' ' . $table_name . '_' . $key_name . ' ON ' . $table_name . '(' . implode(', ', $key_data[1]) . ");;\n";
break;
case 'mssql':
$line .= ($key_data[0] == 'INDEX') ? 'CREATE INDEX' : '';
$line .= ($key_data[0] == 'UNIQUE') ? 'CREATE UNIQUE INDEX' : '';
$line .= " [{$key_name}] ON [{$table_name}]([" . implode('], [', $key_data[1]) . "]) ON [PRIMARY]\n";
$line .= "GO\n\n";
break;
case 'oracle':
if ($key_data[0] == 'UNIQUE')
{
continue;
}
$line .= ($key_data[0] == 'INDEX') ? 'CREATE INDEX' : '';
$line .= " {$table_name}_{$key_name} ON {$table_name} (" . implode(', ', $key_data[1]) . ")\n";
$line .= "/\n";
break;
case 'sqlite':
$line .= ($key_data[0] == 'INDEX') ? 'CREATE INDEX' : '';
$line .= ($key_data[0] == 'UNIQUE') ? 'CREATE UNIQUE INDEX' : '';
$line .= " {$table_name}_{$key_name} ON {$table_name} (" . implode(', ', $key_data[1]) . ");\n";
break;
case 'postgres':
$line .= ($key_data[0] == 'INDEX') ? 'CREATE INDEX' : '';
$line .= ($key_data[0] == 'UNIQUE') ? 'CREATE UNIQUE INDEX' : '';
$line .= " {$table_name}_{$key_name} ON {$table_name} (" . implode(', ', $key_data[1]) . ");\n";
break;
}
}
}
switch ($dbms)
{
case 'mysql_40':
// Remove last line delimiter...
$line = substr($line, 0, -2);
$line .= "\n);\n\n";
break;
case 'mysql_41':
// Remove last line delimiter...
$line = substr($line, 0, -2);
$line .= "\n) CHARACTER SET `utf8` COLLATE `utf8_bin`;\n\n";
break;
// Create Generator
case 'firebird':
if ($generator !== false)
{
$line .= "\nCREATE GENERATOR {$table_name}_gen;;\n";
$line .= 'SET GENERATOR ' . $table_name . "_gen TO 0;;\n\n";
$line .= 'CREATE TRIGGER t_' . $table_name . ' FOR ' . $table_name . "\n";
$line .= "BEFORE INSERT\nAS\nBEGIN\n";
$line .= "\tNEW.{$generator} = GEN_ID({$table_name}_gen, 1);\nEND;;\n\n";
}
break;
case 'oracle':
if ($generator !== false)
{
$line .= "\nCREATE SEQUENCE {$table_name}_seq\n/\n\n";
$line .= "CREATE OR REPLACE TRIGGER t_{$table_name}\n";
$line .= "BEFORE INSERT ON {$table_name}\n";
$line .= "FOR EACH ROW WHEN (\n";
$line .= "\tnew.{$generator} IS NULL OR new.{$generator} = 0\n";
$line .= ")\nBEGIN\n";
$line .= "\tSELECT {$table_name}_seq.nextval\n";
$line .= "\tINTO :new.{$generator}\n";
$line .= "\tFROM dual;\nEND;\n/\n\n";
}
break;
}
fwrite($fp, $line . "\n");
}
$line = '';
// Write custom function at the end for some db's
switch ($dbms)
{
case 'mssql':
// No need to do this, no transaction support for schema changes
//$line = "\nCOMMIT\nGO\n\n";
break;
case 'sqlite':
$line = "\nCOMMIT;";
break;
case 'postgres':
$line = "\nCOMMIT;";
break;
}
fwrite($fp, $line);
fclose($fp);
}
/**
* Data put into the header for various dbms
*/
function custom_data($dbms)
{
switch ($dbms)
{
case 'oracle':
return <<<EOF
/*
This first section is optional, however its probably the best method
of running phpBB on Oracle. If you already have a tablespace and user created
for phpBB you can leave this section commented out!
The first set of statements create a phpBB tablespace and a phpBB user,
make sure you change the password of the phpBB user before you run this script!!
*/
/*
CREATE TABLESPACE "PHPBB"
LOGGING
DATAFILE 'E:\ORACLE\ORADATA\LOCAL\PHPBB.ora'
SIZE 10M
AUTOEXTEND ON NEXT 10M
MAXSIZE 100M;
CREATE USER "PHPBB"
PROFILE "DEFAULT"
IDENTIFIED BY "phpbb_password"
DEFAULT TABLESPACE "PHPBB"
QUOTA UNLIMITED ON "PHPBB"
ACCOUNT UNLOCK;
GRANT ANALYZE ANY TO "PHPBB";
GRANT CREATE SEQUENCE TO "PHPBB";
GRANT CREATE SESSION TO "PHPBB";
GRANT CREATE TABLE TO "PHPBB";
GRANT CREATE TRIGGER TO "PHPBB";
GRANT CREATE VIEW TO "PHPBB";
GRANT "CONNECT" TO "PHPBB";
COMMIT;
DISCONNECT;
CONNECT phpbb/phpbb_password;
*/
EOF;
break;
case 'postgres':
return <<<EOF
/*
Domain definition
*/
CREATE DOMAIN varchar_ci AS varchar(255) NOT NULL DEFAULT ''::character varying;
/*
Operation Functions
*/
CREATE FUNCTION _varchar_ci_equal(varchar_ci, varchar_ci) RETURNS boolean AS 'SELECT LOWER($1) = LOWER($2)' LANGUAGE SQL STRICT;
CREATE FUNCTION _varchar_ci_not_equal(varchar_ci, varchar_ci) RETURNS boolean AS 'SELECT LOWER($1) != LOWER($2)' LANGUAGE SQL STRICT;
CREATE FUNCTION _varchar_ci_less_than(varchar_ci, varchar_ci) RETURNS boolean AS 'SELECT LOWER($1) < LOWER($2)' LANGUAGE SQL STRICT;
CREATE FUNCTION _varchar_ci_less_equal(varchar_ci, varchar_ci) RETURNS boolean AS 'SELECT LOWER($1) <= LOWER($2)' LANGUAGE SQL STRICT;
CREATE FUNCTION _varchar_ci_greater_than(varchar_ci, varchar_ci) RETURNS boolean AS 'SELECT LOWER($1) > LOWER($2)' LANGUAGE SQL STRICT;
CREATE FUNCTION _varchar_ci_greater_equals(varchar_ci, varchar_ci) RETURNS boolean AS 'SELECT LOWER($1) >= LOWER($2)' LANGUAGE SQL STRICT;
/*
Operators
*/
CREATE OPERATOR <(
PROCEDURE = _varchar_ci_less_than,
LEFTARG = varchar_ci,
RIGHTARG = varchar_ci,
COMMUTATOR = >,
NEGATOR = >=,
RESTRICT = scalarltsel,
JOIN = scalarltjoinsel);
CREATE OPERATOR <=(
PROCEDURE = _varchar_ci_less_equal,
LEFTARG = varchar_ci,
RIGHTARG = varchar_ci,
COMMUTATOR = >=,
NEGATOR = >,
RESTRICT = scalarltsel,
JOIN = scalarltjoinsel);
CREATE OPERATOR >(
PROCEDURE = _varchar_ci_greater_than,
LEFTARG = varchar_ci,
RIGHTARG = varchar_ci,
COMMUTATOR = <,
NEGATOR = <=,
RESTRICT = scalargtsel,
JOIN = scalargtjoinsel);
CREATE OPERATOR >=(
PROCEDURE = _varchar_ci_greater_equals,
LEFTARG = varchar_ci,
RIGHTARG = varchar_ci,
COMMUTATOR = <=,
NEGATOR = <,
RESTRICT = scalargtsel,
JOIN = scalargtjoinsel);
CREATE OPERATOR <>(
PROCEDURE = _varchar_ci_not_equal,
LEFTARG = varchar_ci,
RIGHTARG = varchar_ci,
COMMUTATOR = <>,
NEGATOR = =,
RESTRICT = neqsel,
JOIN = neqjoinsel);
CREATE OPERATOR =(
PROCEDURE = _varchar_ci_equal,
LEFTARG = varchar_ci,
RIGHTARG = varchar_ci,
COMMUTATOR = =,
NEGATOR = <>,
RESTRICT = eqsel,
JOIN = eqjoinsel,
HASHES,
MERGES,
SORT1= <);
EOF;
break;
}
return '';
}
echo 'done';
|
