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import v1.1.0_beta1 | 2009-08-21

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6543
2019-07-17 22:16:19 +02:00
parent 2c1152f0d3
commit 8dee6b1a10
2306 changed files with 251360 additions and 23428 deletions
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294
libs/Zend/Db/Adapter/Db2.php
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@ -29,11 +29,6 @@ require_once 'Zend/Db.php';
*/
require_once 'Zend/Db/Adapter/Abstract.php';
/**
* @see Zend_Loader
*/
require_once 'Zend/Loader.php';
/**
* @see Zend_Db_Statement_Db2
*/
@ -60,6 +55,8 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
* protocol => (string) Protocol to use, defaults to "TCPIP"
* port => (integer) Port number to use for TCP/IP if protocol is "TCPIP"
* persistent => (boolean) Set TRUE to use a persistent connection (db2_pconnect)
* os => (string) This should be set to 'i5' if the db is on an os400/i5
* schema => (string) The default schema the connection should use
*
* @var array
*/
@ -70,7 +67,9 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
'host' => 'localhost',
'port' => '50000',
'protocol' => 'TCPIP',
'persistent' => false
'persistent' => false,
'os' => null,
'schema' => null
);
/**
@ -86,6 +85,7 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
* @var string
*/
protected $_defaultStmtClass = 'Zend_Db_Statement_Db2';
protected $_isI5 = false;
/**
* Keys are UPPERCASE SQL datatypes or the constants
@ -129,6 +129,7 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
throw new Zend_Db_Adapter_Db2_Exception('The IBM DB2 extension is required for this adapter but the extension is not loaded');
}
$this->_determineI5();
if ($this->_config['persistent']) {
// use persistent connection
$conn_func_name = 'db2_pconnect';
@ -151,7 +152,7 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
$this->_config['driver_options']['DB2_ATTR_CASE'] = $caseAttrMap[$this->_config['options'][Zend_Db::CASE_FOLDING]];
}
if ($this->_config['host'] !== 'localhost') {
if ($this->_config['host'] !== 'localhost' && !$this->_isI5) {
// if the host isn't localhost, use extended connection params
$dbname = 'DRIVER={IBM DB2 ODBC DRIVER}' .
';DATABASE=' . $this->_config['dbname'] .
@ -186,6 +187,17 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
}
}
/**
* Test if a connection is active
*
* @return boolean
*/
public function isConnected()
{
return ((bool) (is_resource($this->_connection)
&& get_resource_type($this->_connection) == 'DB2 Connection'));
}
/**
* Force the connection to close.
*
@ -193,7 +205,9 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
*/
public function closeConnection()
{
db2_close($this->_connection);
if ($this->isConnected()) {
db2_close($this->_connection);
}
$this->_connection = null;
}
@ -207,7 +221,10 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
{
$this->_connect();
$stmtClass = $this->_defaultStmtClass;
Zend_Loader::loadClass($stmtClass);
if (!class_exists($stmtClass)) {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($stmtClass);
}
$stmt = new $stmtClass($this, $sql);
$stmt->setFetchMode($this->_fetchMode);
return $stmt;
@ -274,32 +291,49 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
{
$this->_connect();
$info = db2_server_info($this->_connection);
$identQuote = $info->IDENTIFIER_QUOTE_CHAR;
if ($info) {
$identQuote = $info->IDENTIFIER_QUOTE_CHAR;
} else {
// db2_server_info() does not return result on some i5 OS version
if ($this->_isI5) {
$identQuote ="'";
}
}
return $identQuote;
}
/**
* Returns a list of the tables in the database.
*
* @param string $schema OPTIONAL
* @return array
*/
public function listTables()
public function listTables($schema = null)
{
$this->_connect();
// take the most general case and assume no z/OS
// since listTables() takes no parameters
$stmt = db2_tables($this->_connection);
if ($schema === null && $this->_config['schema'] != null) {
$schema = $this->_config['schema'];
}
$tables = array();
while ($row = db2_fetch_assoc($stmt)) {
$tables[] = $row['TABLE_NAME'];
if (!$this->_isI5) {
if ($schema) {
$stmt = db2_tables($this->_connection, null, $schema);
} else {
$stmt = db2_tables($this->_connection);
}
while ($row = db2_fetch_assoc($stmt)) {
$tables[] = $row['TABLE_NAME'];
}
} else {
$tables = $this->_i5listTables($schema);
}
return $tables;
}
/**
* Returns the column descriptions for a table.
*
@ -320,35 +354,69 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
* SCALE => number; scale of NUMERIC/DECIMAL
* PRECISION => number; precision of NUMERIC/DECIMAL
* UNSIGNED => boolean; unsigned property of an integer type
* DB2 not supports UNSIGNED integer.
* PRIMARY => boolean; true if column is part of the primary key
* PRIMARY_POSITION => integer; position of column in primary key
* IDENTITY => integer; true if column is auto-generated with unique values
*
* @todo Discover integer unsigned property.
*
* @param string $tableName
* @param string $schemaName OPTIONAL
* @return array
*/
public function describeTable($tableName, $schemaName = null)
{
$sql = "SELECT DISTINCT c.tabschema, c.tabname, c.colname, c.colno,
c.typename, c.default, c.nulls, c.length, c.scale,
c.identity, tc.type AS tabconsttype, k.colseq
FROM syscat.columns c
LEFT JOIN (syscat.keycoluse k JOIN syscat.tabconst tc
ON (k.tabschema = tc.tabschema
AND k.tabname = tc.tabname
AND tc.type = 'P'))
ON (c.tabschema = k.tabschema
AND c.tabname = k.tabname
AND c.colname = k.colname)
WHERE "
. $this->quoteInto('UPPER(c.tabname) = UPPER(?)', $tableName);
if ($schemaName) {
$sql .= $this->quoteInto(' AND UPPER(c.tabschema) = UPPER(?)', $schemaName);
// Ensure the connection is made so that _isI5 is set
$this->_connect();
if ($schemaName === null && $this->_config['schema'] != null) {
$schemaName = $this->_config['schema'];
}
if (!$this->_isI5) {
$sql = "SELECT DISTINCT c.tabschema, c.tabname, c.colname, c.colno,
c.typename, c.default, c.nulls, c.length, c.scale,
c.identity, tc.type AS tabconsttype, k.colseq
FROM syscat.columns c
LEFT JOIN (syscat.keycoluse k JOIN syscat.tabconst tc
ON (k.tabschema = tc.tabschema
AND k.tabname = tc.tabname
AND tc.type = 'P'))
ON (c.tabschema = k.tabschema
AND c.tabname = k.tabname
AND c.colname = k.colname)
WHERE "
. $this->quoteInto('UPPER(c.tabname) = UPPER(?)', $tableName);
if ($schemaName) {
$sql .= $this->quoteInto(' AND UPPER(c.tabschema) = UPPER(?)', $schemaName);
}
$sql .= " ORDER BY c.colno";
} else {
// DB2 On I5 specific query
$sql = "SELECT DISTINCT C.TABLE_SCHEMA, C.TABLE_NAME, C.COLUMN_NAME, C.ORDINAL_POSITION,
C.DATA_TYPE, C.COLUMN_DEFAULT, C.NULLS ,C.LENGTH, C.SCALE, LEFT(C.IDENTITY,1),
LEFT(tc.TYPE, 1) AS tabconsttype, k.COLSEQ
FROM QSYS2.SYSCOLUMNS C
LEFT JOIN (QSYS2.syskeycst k JOIN QSYS2.SYSCST tc
ON (k.TABLE_SCHEMA = tc.TABLE_SCHEMA
AND k.TABLE_NAME = tc.TABLE_NAME
AND LEFT(tc.type,1) = 'P'))
ON (C.TABLE_SCHEMA = k.TABLE_SCHEMA
AND C.TABLE_NAME = k.TABLE_NAME
AND C.COLUMN_NAME = k.COLUMN_NAME)
WHERE "
. $this->quoteInto('UPPER(C.TABLE_NAME) = UPPER(?)', $tableName);
if ($schemaName) {
$sql .= $this->quoteInto(' AND UPPER(C.TABLE_SCHEMA) = UPPER(?)', $schemaName);
}
$sql .= " ORDER BY C.ORDINAL_POSITION FOR FETCH ONLY";
}
$sql .= " ORDER BY c.colno";
$desc = array();
$stmt = $this->query($sql);
@ -372,12 +440,12 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
$length = 7;
$scale = 8;
$identityCol = 9;
$tabconstype = 10;
$tabconstType = 10;
$colseq = 11;
foreach ($result as $key => $row) {
list ($primary, $primaryPosition, $identity) = array(false, null, false);
if ($row[$tabconstype] == 'P') {
if ($row[$tabconstType] == 'P') {
$primary = true;
$primaryPosition = $row[$colseq];
}
@ -394,14 +462,14 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
'SCHEMA_NAME' => $this->foldCase($row[$tabschema]),
'TABLE_NAME' => $this->foldCase($row[$tabname]),
'COLUMN_NAME' => $this->foldCase($row[$colname]),
'COLUMN_POSITION' => $row[$colno]+1,
'COLUMN_POSITION' => (!$this->_isI5) ? $row[$colno]+1 : $row[$colno],
'DATA_TYPE' => $row[$typename],
'DEFAULT' => $row[$default],
'NULLABLE' => (bool) ($row[$nulls] == 'Y'),
'LENGTH' => $row[$length],
'SCALE' => $row[$scale],
'PRECISION' => ($row[$typename] == 'DECIMAL' ? $row[$length] : 0),
'UNSIGNED' => null, // @todo
'UNSIGNED' => false,
'PRIMARY' => $primary,
'PRIMARY_POSITION' => $primaryPosition,
'IDENTITY' => $identity
@ -422,7 +490,15 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
public function lastSequenceId($sequenceName)
{
$this->_connect();
$sql = 'SELECT PREVVAL FOR '.$this->quoteIdentifier($sequenceName, true).' AS VAL FROM SYSIBM.SYSDUMMY1';
if (!$this->_isI5) {
$quotedSequenceName = $this->quoteIdentifier($sequenceName, true);
$sql = 'SELECT PREVVAL FOR ' . $quotedSequenceName . ' AS VAL FROM SYSIBM.SYSDUMMY1';
} else {
$quotedSequenceName = $sequenceName;
$sql = 'SELECT PREVVAL FOR ' . $this->quoteIdentifier($sequenceName, true) . ' AS VAL FROM QSYS2.QSQPTABL';
}
$value = $this->fetchOne($sql);
return (string) $value;
}
@ -458,12 +534,18 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
*
* @param string $tableName OPTIONAL
* @param string $primaryKey OPTIONAL
* @param string $idType OPTIONAL used for i5 platform to define sequence/idenity unique value
* @return string
*/
public function lastInsertId($tableName = null, $primaryKey = null)
public function lastInsertId($tableName = null, $primaryKey = null, $idType = null)
{
$this->_connect();
if ($this->_isI5) {
return (string) $this->_i5LastInsertId($tableName, $idType);
}
if ($tableName !== null) {
$sequenceName = $tableName;
if ($primaryKey) {
@ -618,13 +700,131 @@ class Zend_Db_Adapter_Db2 extends Zend_Db_Adapter_Abstract
*/
public function supportsParameters($type)
{
switch ($type) {
case 'positional':
return true;
case 'named':
default:
return false;
if ($type == 'positional') {
return true;
}
// if its 'named' or anything else
return false;
}
/**
* Retrieve server version in PHP style
*
* @return string
*/
public function getServerVersion()
{
$this->_connect();
$server_info = db2_server_info($this->_connection);
if ($server_info !== false) {
$version = $server_info->DBMS_VER;
if ($this->_isI5) {
$version = (int) substr($version, 0, 2) . '.' . (int) substr($version, 2, 2) . '.' . (int) substr($version, 4);
}
return $version;
} else {
return null;
}
}
/**
* Return whether or not this is running on i5
*
* @return bool
*/
public function isI5()
{
if ($this->_isI5 === null) {
$this->_determineI5();
}
return (bool) $this->_isI5;
}
/**
* Check the connection parameters according to verify
* type of used OS
*
* @return void
*/
protected function _determineI5()
{
// first us the compiled flag.
$this->_isI5 = (php_uname('s') == 'OS400') ? true : false;
// if this is set, then us it
if (isset($this->_config['os'])){
if (strtolower($this->_config['os']) === 'i5') {
$this->_isI5 = true;
} else {
// any other value passed in, its null
$this->_isI5 = false;
}
}
}
/**
* Db2 On I5 specific method
*
* Returns a list of the tables in the database .
* Used only for DB2/400.
*
* @return array
*/
protected function _i5listTables($schema = null)
{
//list of i5 libraries.
$tables = array();
if ($schema) {
$tablesStatement = db2_tables($this->_connection, null, $schema);
while ($rowTables = db2_fetch_assoc($tablesStatement) ) {
if ($rowTables['TABLE_NAME'] !== null) {
$tables[] = $rowTables['TABLE_NAME'];
}
}
} else {
$schemaStatement = db2_tables($this->_connection);
while ($schema = db2_fetch_assoc($schemaStatement)) {
if ($schema['TABLE_SCHEM'] !== null) {
// list of the tables which belongs to the selected library
$tablesStatement = db2_tables($this->_connection, NULL, $schema['TABLE_SCHEM']);
if (is_resource($tablesStatement)) {
while ($rowTables = db2_fetch_assoc($tablesStatement) ) {
if ($rowTables['TABLE_NAME'] !== null) {
$tables[] = $rowTables['TABLE_NAME'];
}
}
}
}
}
}
return $tables;
}
protected function _i5LastInsertId($objectName = null, $idType = null)
{
if ($objectName === null) {
$sql = 'SELECT IDENTITY_VAL_LOCAL() AS VAL FROM QSYS2.QSQPTABL';
$value = $this->fetchOne($sql);
return $value;
}
if (strtoupper($idType) === 'S'){
//check i5_lib option
$sequenceName = $objectName;
return $this->lastSequenceId($sequenceName);
}
//returns last identity value for the specified table
//if (strtoupper($idType) === 'I') {
$tableName = $objectName;
return $this->fetchOne('SELECT IDENTITY_VAL_LOCAL() from ' . $this->quoteIdentifier($tableName));
}
}