case 'sqlite':
$line = "#\n# \$I" . "d: \$\n#\n\n";
$line .= "BEGIN TRANSACTION;\n\n";
break;
case 'mssql':
$line = "/*\n\n \$I" . "d: \$\n\n*/\n\n";
$line .= "BEGIN TRANSACTION\nGO\n\n";
break;
case 'oracle':
$line = "/*\n\n \$I" . "d: \$\n\n*/\n\n";
$line .= custom_data('oracle') . "\n";
break;
case 'postgres':
$line = "/*\n\n \$I" . "d: \$\n\n*/\n\n";
$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':
function generate_sql(&$lineg, $dbms)
{
global $phpbb_root_path, $phpEx;
$dbms_type_map = array('mysql_41' => array('INT:' => 'int(%d)', 'BINT' => 'bigint(20)', 'UINT' => 'mediumint(8) UNSIGNED', 'UINT:' => 'int(%d) UNSIGNED', 'TINT:' => 'tinyint(%d)', 'USINT' => 'smallint(4) UNSIGNED', 'BOOL' => 'tinyint(1) UNSIGNED', 'VCHAR' => 'varchar(255)', 'VCHAR:' => 'varchar(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'text', 'XSTEXT_UNI' => 'varchar(100)', 'STEXT' => 'text', 'STEXT_UNI' => 'varchar(255)', 'TEXT' => 'text', 'TEXT_UNI' => 'text', 'MTEXT' => 'mediumtext', 'MTEXT_UNI' => 'mediumtext', 'TIMESTAMP' => 'int(11) UNSIGNED', 'DECIMAL' => 'decimal(5,2)', 'DECIMAL:' => 'decimal(%d,2)', 'PDECIMAL' => 'decimal(6,3)', 'PDECIMAL:' => 'decimal(%d,3)', 'VCHAR_UNI' => 'varchar(255)', 'VCHAR_UNI:' => 'varchar(%d)', 'VCHAR_CI' => 'varchar(255)', 'VARBINARY' => 'varbinary(255)'), 'mysql_40' => array('INT:' => 'int(%d)', 'BINT' => 'bigint(20)', 'UINT' => 'mediumint(8) UNSIGNED', 'UINT:' => 'int(%d) UNSIGNED', 'TINT:' => 'tinyint(%d)', 'USINT' => 'smallint(4) UNSIGNED', 'BOOL' => 'tinyint(1) UNSIGNED', 'VCHAR' => 'varbinary(255)', 'VCHAR:' => 'varbinary(%d)', 'CHAR:' => 'binary(%d)', 'XSTEXT' => 'blob', 'XSTEXT_UNI' => 'blob', 'STEXT' => 'blob', 'STEXT_UNI' => 'blob', 'TEXT' => 'blob', 'TEXT_UNI' => 'blob', 'MTEXT' => 'mediumblob', 'MTEXT_UNI' => 'mediumblob', 'TIMESTAMP' => 'int(11) UNSIGNED', 'DECIMAL' => 'decimal(5,2)', 'DECIMAL:' => 'decimal(%d,2)', 'PDECIMAL' => 'decimal(6,3)', 'PDECIMAL:' => 'decimal(%d,3)', 'VCHAR_UNI' => 'blob', 'VCHAR_UNI:' => array('varbinary(%d)', 'limit' => array('mult', 3, 255, 'blob')), 'VCHAR_CI' => 'blob', 'VARBINARY' => 'varbinary(255)'), 'firebird' => array('INT:' => 'INTEGER', 'BINT' => 'DOUBLE PRECISION', 'UINT' => 'INTEGER', 'UINT:' => 'INTEGER', 'TINT:' => 'INTEGER', 'USINT' => 'INTEGER', 'BOOL' => 'INTEGER', 'VCHAR' => 'VARCHAR(255) CHARACTER SET NONE', 'VCHAR:' => 'VARCHAR(%d) CHARACTER SET NONE', 'CHAR:' => 'CHAR(%d) CHARACTER SET NONE', 'XSTEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE', 'STEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE', 'TEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE', 'MTEXT' => 'BLOB SUB_TYPE TEXT CHARACTER SET NONE', 'XSTEXT_UNI' => 'VARCHAR(100) CHARACTER SET UTF8', 'STEXT_UNI' => 'VARCHAR(255) CHARACTER SET UTF8', 'TEXT_UNI' => 'BLOB SUB_TYPE TEXT CHARACTER SET UTF8', 'MTEXT_UNI' => 'BLOB SUB_TYPE TEXT CHARACTER SET UTF8', 'TIMESTAMP' => 'INTEGER', 'DECIMAL' => 'DOUBLE PRECISION', 'DECIMAL:' => 'DOUBLE PRECISION', 'PDECIMAL' => 'DOUBLE PRECISION', 'PDECIMAL:' => 'DOUBLE PRECISION', 'VCHAR_UNI' => 'VARCHAR(255) CHARACTER SET UTF8', 'VCHAR_UNI:' => 'VARCHAR(%d) CHARACTER SET UTF8', 'VCHAR_CI' => 'VARCHAR(255) CHARACTER SET UTF8', 'VARBINARY' => 'CHAR(255) CHARACTER SET NONE'), 'mssql' => array('INT:' => '[int]', 'BINT' => '[float]', 'UINT' => '[int]', 'UINT:' => '[int]', 'TINT:' => '[int]', 'USINT' => '[int]', 'BOOL' => '[int]', 'VCHAR' => '[varchar] (255)', 'VCHAR:' => '[varchar] (%d)', 'CHAR:' => '[char] (%d)', 'XSTEXT' => '[varchar] (1000)', 'STEXT' => '[varchar] (3000)', 'TEXT' => '[varchar] (8000)', 'MTEXT' => '[text]', 'XSTEXT_UNI' => '[varchar] (100)', 'STEXT_UNI' => '[varchar] (255)', 'TEXT_UNI' => '[varchar] (4000)', 'MTEXT_UNI' => '[text]', 'TIMESTAMP' => '[int]', 'DECIMAL' => '[float]', 'DECIMAL:' => '[float]', 'PDECIMAL' => '[float]', 'PDECIMAL:' => '[float]', 'VCHAR_UNI' => '[varchar] (255)', 'VCHAR_UNI:' => '[varchar] (%d)', 'VCHAR_CI' => '[varchar] (255)', 'VARBINARY' => '[varchar] (255)'), 'oracle' => array('INT:' => 'number(%d)', 'BINT' => 'number(20)', 'UINT' => 'number(8)', 'UINT:' => 'number(%d)', 'TINT:' => 'number(%d)', 'USINT' => 'number(4)', 'BOOL' => 'number(1)', 'VCHAR' => 'varchar2(255)', 'VCHAR:' => 'varchar2(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'varchar2(1000)', 'STEXT' => 'varchar2(3000)', 'TEXT' => 'clob', 'MTEXT' => 'clob', 'XSTEXT_UNI' => 'varchar2(300)', 'STEXT_UNI' => 'varchar2(765)', 'TEXT_UNI' => 'clob', 'MTEXT_UNI' => 'clob', 'TIMESTAMP' => 'number(11)', 'DECIMAL' => 'number(5, 2)', 'DECIMAL:' => 'number(%d, 2)', 'PDECIMAL' => 'number(6, 3)', 'PDECIMAL:' => 'number(%d, 3)', 'VCHAR_UNI' => 'varchar2(765)', 'VCHAR_UNI:' => array('varchar2(%d)', 'limit' => array('mult', 3, 765, 'clob')), 'VCHAR_CI' => 'varchar2(255)', 'VARBINARY' => 'raw(255)'), 'sqlite' => array('INT:' => 'int(%d)', 'BINT' => 'bigint(20)', 'UINT' => 'INTEGER UNSIGNED', 'UINT:' => 'INTEGER UNSIGNED', 'TINT:' => 'tinyint(%d)', 'USINT' => 'INTEGER UNSIGNED', 'BOOL' => 'INTEGER UNSIGNED', 'VCHAR' => 'varchar(255)', 'VCHAR:' => 'varchar(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'text(65535)', 'STEXT' => 'text(65535)', 'TEXT' => 'text(65535)', 'MTEXT' => 'mediumtext(16777215)', 'XSTEXT_UNI' => 'text(65535)', 'STEXT_UNI' => 'text(65535)', 'TEXT_UNI' => 'text(65535)', 'MTEXT_UNI' => 'mediumtext(16777215)', 'TIMESTAMP' => 'INTEGER UNSIGNED', 'DECIMAL' => 'decimal(5,2)', 'DECIMAL:' => 'decimal(%d,2)', 'PDECIMAL' => 'decimal(6,3)', 'PDECIMAL:' => 'decimal(%d,3)', 'VCHAR_UNI' => 'varchar(255)', 'VCHAR_UNI:' => 'varchar(%d)', 'VCHAR_CI' => 'varchar(255)', 'VARBINARY' => 'blob'), 'postgres' => array('INT:' => 'INT4', 'BINT' => 'INT8', 'UINT' => 'INT4', 'UINT:' => 'INT4', 'USINT' => 'INT2', 'BOOL' => 'INT2', 'TINT:' => 'INT2', 'VCHAR' => 'varchar(255)', 'VCHAR:' => 'varchar(%d)', 'CHAR:' => 'char(%d)', 'XSTEXT' => 'varchar(1000)', 'STEXT' => 'varchar(3000)', 'TEXT' => 'varchar(8000)', 'MTEXT' => 'TEXT', 'XSTEXT_UNI' => 'varchar(100)', 'STEXT_UNI' => 'varchar(255)', 'TEXT_UNI' => 'varchar(4000)', 'MTEXT_UNI' => 'TEXT', 'TIMESTAMP' => 'INT4', 'DECIMAL' => 'decimal(5,2)', 'DECIMAL:' => 'decimal(%d,2)', 'PDECIMAL' => 'decimal(6,3)', 'PDECIMAL:' => 'decimal(%d,3)', 'VCHAR_UNI' => 'varchar(255)', 'VCHAR_UNI:' => 'varchar(%d)', 'VCHAR_CI' => 'varchar_ci', 'VARBINARY' => 'bytea'));
// 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');
$schema_data = get_schema();
if ($dbms == 'mysqli' || $dbms == 'mysql4') {
$dbms = 'mysql_41';
} else {
if ($dbms == 'mysql') {
$dbms = 'mysql_40';
}
}
if (in_array($dbms, $supported_dbms)) {
$lineg = $line = '';
// Write Header
switch ($dbms) {
case 'mysql_40':
case 'mysql_41':
$line = "#\n# \$I" . "d: \$\n#\n\n";
break;
case 'firebird':
$line = "#\n# \$I" . "d: \$\n#\n\n";
$line .= custom_data('firebird') . "\n";
break;
case 'sqlite':
$line = "#\n# \$I" . "d: \$\n#\n\n";
$line .= "BEGIN TRANSACTION;\n\n";
break;
case 'mssql':
$line = "/*\n\n \$I" . "d: \$\n\n*/\n\n";
$line .= "BEGIN TRANSACTION\nGO\n\n";
break;
case 'oracle':
$line = "/*\n\n \$I" . "d: \$\n\n*/\n\n";
$line .= custom_data('oracle') . "\n";
break;
case 'postgres':
$line = "/*\n\n \$I" . "d: \$\n\n*/\n\n";
$line .= "BEGIN;\n\n";
$line .= custom_data('postgres') . "\n";
break;
}
$lineg .= $line;
foreach ($schema_data as $table_name => $table_data) {
// Write comment about table
switch ($dbms) {
case 'mysql_40':
case 'mysql_41':
case 'firebird':
case 'sqlite':
$lineg .= "# Table: '{$table_name}'\n";
break;
case 'mssql':
case 'oracle':
case 'postgres':
$lineg .= "/*\n\tTable: '{$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 => $column_data) {
// Get type
if (strpos($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] = $column_type;
}
}
// Adjust default value if db-dependant specified
if (is_array($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]);
}
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);
$line .= "\n) CHARACTER SET utf8 COLLATE utf8_bin;\n\n";
break;
// Create Generator
// Create Generator
case 'firebird':
if ($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;
}
$lineg .= $line . "\n";
}
$line = '';
// Write custom function at the end for some db's
switch ($dbms) {
case 'mssql':
$line = "\nCOMMIT\nGO\n\n";
break;
case 'sqlite':
$line = "\nCOMMIT;";
break;
case 'postgres':
$line = "\nCOMMIT;";
break;
}
$lineg .= $line;
return;
} else {
trigger_error('This error should also never happen');
}
}