mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-30 11:53:57 +01:00
1422 lines
44 KiB
PHP
1422 lines
44 KiB
PHP
<?php
|
|
/**
|
|
* EGroupware - Setup - db-schema-processor
|
|
*
|
|
* Originaly written by
|
|
* - Michael Dean <mdean@users.sourceforge.net>
|
|
* - Miles Lott<milosch@groupwhere.org>
|
|
* Rewritten and adapted to ADOdb's schema processor by Ralf Becker.
|
|
*
|
|
* @link http://www.egroupware.org
|
|
* @author Ralf Becker <RalfBecker@outdoor-training.de>
|
|
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
|
|
* @package api
|
|
* @subpackage db
|
|
* @version $Id$
|
|
*/
|
|
|
|
/**
|
|
* eGW's ADOdb based schema-processor
|
|
*/
|
|
class schema_proc
|
|
{
|
|
/**
|
|
* @deprecated formerly used translator class, now a reference to ourself
|
|
*/
|
|
var $m_oTranslator;
|
|
/**
|
|
* egw_db-object
|
|
*
|
|
* @var egw_db
|
|
*/
|
|
var $m_odb;
|
|
/**
|
|
* reference to the global ADOdb object
|
|
*
|
|
* @var ADOConnection
|
|
*/
|
|
var $adodb;
|
|
/**
|
|
* adodb's datadictionary object for the used db-type
|
|
*
|
|
* @var ADODB_DataDict
|
|
*/
|
|
var $dict;
|
|
/**
|
|
* Debuglevel: 0=Off, 1=some, eg. primary function calls, 2=lots incl. the SQL used
|
|
*
|
|
* @var int
|
|
*/
|
|
var $debug = 0;
|
|
/**
|
|
* Array with db => max. length of indexes pairs (if there is a considerable low limit for a db)
|
|
*
|
|
* @var array
|
|
*/
|
|
var $max_index_length=array(
|
|
'maxdb' => 32,
|
|
'oracle' => 30,
|
|
);
|
|
/**
|
|
* type of the database, set by the the constructor: 'mysql','pgsql','mssql','maxdb'
|
|
*
|
|
* @var string
|
|
*/
|
|
var $sType;
|
|
/**
|
|
* maximum length of a varchar column, everything above get converted to text
|
|
*
|
|
* @var int
|
|
*/
|
|
var $max_varchar_length = 255;
|
|
/**
|
|
* system-charset if set
|
|
*
|
|
* @var string
|
|
*/
|
|
var $system_charset;
|
|
/**
|
|
* reference to the capabilities array of the db-class
|
|
*
|
|
* @var array
|
|
*/
|
|
var $capabilities;
|
|
/**
|
|
* preserve value of old sequences in PostgreSQL
|
|
*
|
|
* @var int
|
|
*/
|
|
var $pgsql_old_seq;
|
|
|
|
/**
|
|
* Constructor of schema-processor
|
|
*
|
|
* @param string $dbms type of the database: 'mysql','pgsql','mssql','maxdb'
|
|
* @param object $db=null database class, if null we use $GLOBALS['egw']->db
|
|
* @return schema_proc
|
|
*/
|
|
function __construct($dbms=False,$db=null)
|
|
{
|
|
if(is_object($db))
|
|
{
|
|
$this->m_odb = $db;
|
|
}
|
|
else
|
|
{
|
|
$this->m_odb = isset($GLOBALS['egw']->db) && is_object($GLOBALS['egw']->db) ? $GLOBALS['egw']->db : $GLOBALS['egw_setup']->db;
|
|
}
|
|
if (!($this->m_odb instanceof egw_db))
|
|
{
|
|
throw new egw_exception_assertion_failed('no egw_db object!');
|
|
}
|
|
$this->m_odb->connect();
|
|
$this->capabilities =& $this->m_odb->capabilities;
|
|
|
|
$this->sType = $dbms ? $dbms : $this->m_odb->Type;
|
|
$this->adodb = &$this->m_odb->Link_ID;
|
|
$this->dict = NewDataDictionary($this->adodb);
|
|
|
|
// enable the debuging in ADOdb's datadictionary if the debug-level is greater then 1
|
|
if ($this->debug > 1) $this->dict->debug = True;
|
|
|
|
// to allow some of the former translator-functions to be called, we assign ourself as the translator
|
|
$this->m_oTranslator = &$this;
|
|
|
|
switch($this->sType)
|
|
{
|
|
case 'maxdb':
|
|
$this->max_varchar_length = 8000;
|
|
break;
|
|
case 'mysql':
|
|
// since MySQL 5.0 65535, but with utf8 and row-size-limit of 64k:
|
|
// it's effective 65535/3 - size of other columns, so we use 20000 (mysql silently convert to text anyway)
|
|
if ((float)$this->m_odb->ServerInfo['version'] >= 5.0)
|
|
{
|
|
$this->max_varchar_length = 20000;
|
|
}
|
|
break;
|
|
}
|
|
if (is_object($GLOBALS['egw_setup']))
|
|
{
|
|
$this->system_charset =& $GLOBALS['egw_setup']->system_charset;
|
|
}
|
|
elseif (isset($GLOBALS['egw_info']['server']['system_charset']))
|
|
{
|
|
$this->system_charset = $GLOBALS['egw_info']['server']['system_charset'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the given $columns exist as index in the index array $indexes
|
|
*
|
|
* @param string/array $columns column-name as string or array of column-names plus optional options key
|
|
* @param array $indexs array of indexes (column-name as string or array of column-names plus optional options key)
|
|
* @return boolean true if index over $columns exist in the $indexes array
|
|
*/
|
|
function _in_index($columns,$indexs)
|
|
{
|
|
if (is_array($columns))
|
|
{
|
|
unset($columns['options']);
|
|
$columns = implode('-',$columns);
|
|
}
|
|
foreach($indexs as $index)
|
|
{
|
|
if (is_array($index))
|
|
{
|
|
unset($index['options']);
|
|
$index = implode('-',$index);
|
|
}
|
|
if ($columns == $index) return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Created a table named $sTableName as defined in $aTableDef
|
|
*
|
|
* @param string $sTableName
|
|
* @param array $aTableDef
|
|
* @param bool $preserveSequence
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function CreateTable($sTableName, $aTableDef, $preserveSequence=False)
|
|
{
|
|
if ($this->debug)
|
|
{
|
|
$this->debug_message('schema_proc::CreateTable(%1,%2)',False,$sTableName, $aTableDef);
|
|
}
|
|
// for mysql 4.0+ we set the charset for the table
|
|
if ($this->system_charset && substr($this->sType,0,5) == 'mysql' &&
|
|
(float) $this->m_odb->ServerInfo['version'] >= 4.0 && $this->m_odb->Link_ID->charset2mysql[$this->system_charset])
|
|
{
|
|
$set_table_charset = array($this->sType => 'CHARACTER SET '.$this->m_odb->Link_ID->charset2mysql[$this->system_charset]);
|
|
}
|
|
// creating the table
|
|
$aSql = $this->dict->CreateTableSQL($sTableName,$ado_cols = $this->_egw2adodb_columndef($aTableDef),$set_table_charset);
|
|
if (!($retVal = $this->ExecuteSQLArray($aSql,2,'CreateTableSQL(%1,%2) sql=%3',False,$sTableName,$ado_cols,$aSql)))
|
|
{
|
|
return $retVal;
|
|
}
|
|
// creating unique indices/constrains
|
|
foreach ($aTableDef['uc'] as $name => $mFields)
|
|
{
|
|
if (empty($mFields))
|
|
{
|
|
continue; // cant create an index without fields (was observed in broken backups)
|
|
}
|
|
if ($this->_in_index($mFields,array($aTableDef['pk'])))
|
|
{
|
|
continue; // is already created as primary key
|
|
}
|
|
if (!($retVal = $this->CreateIndex($sTableName,$mFields,true,'',$name)))
|
|
{
|
|
return $retVal;
|
|
}
|
|
}
|
|
// creation indices
|
|
foreach ($aTableDef['ix'] as $name => $mFields)
|
|
{
|
|
if (empty($mFields))
|
|
{
|
|
continue; // cant create an index without fields (was observed in broken backups)
|
|
}
|
|
if ($this->_in_index($mFields,array($aTableDef['pk'])) ||
|
|
$this->_in_index($mFields,$aTableDef['uc']))
|
|
{
|
|
continue; // is already created as primary key or unique index
|
|
}
|
|
$options = False;
|
|
if (is_array($mFields))
|
|
{
|
|
if (isset($mFields['options'])) // array sets additional options
|
|
{
|
|
if (isset($mFields['options'][$this->sType]))
|
|
{
|
|
$options = $mFields['options'][$this->sType]; // db-specific options, eg. index-type
|
|
if (!$options) continue; // no index for our db-type
|
|
}
|
|
unset($mFields['options']);
|
|
}
|
|
}
|
|
foreach((array)$mFields as $k => $col)
|
|
{
|
|
// only create indexes on text-columns, if (db-)specifiy options are given or FULLTEXT for mysql
|
|
// most DB's cant do them and give errors
|
|
if (in_array($aTableDef['fd'][$col]['type'],array('text','longtext')))
|
|
{
|
|
if (is_array($mFields)) // index over multiple columns including a text column
|
|
{
|
|
$mFields[$k] .= '(32)'; // 32=limit of egw_addressbook_extra.extra_value to fix old backups
|
|
}
|
|
elseif (!$options) // index over a single text column and no options given
|
|
{
|
|
if ($this->sType == 'mysql')
|
|
{
|
|
$options = 'FULLTEXT';
|
|
}
|
|
else
|
|
{
|
|
continue 2; // ignore that index, 2=not just column but whole index!
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!($retVal = $this->CreateIndex($sTableName,$mFields,false,$options,$name)))
|
|
{
|
|
return $retVal;
|
|
}
|
|
}
|
|
// preserve last value of an old sequence
|
|
if ($this->sType == 'pgsql' && $preserveSequence && $this->pgsql_old_seq)
|
|
{
|
|
if ($seq = $this->_PostgresHasOldSequence($sTableName))
|
|
{
|
|
$this->pgsql_old_seq = $this->pgsql_old_seq + 1;
|
|
$this->m_odb->query("ALTER SEQUENCE $seq RESTART WITH " . $this->pgsql_old_seq,__LINE__,__FILE__);
|
|
}
|
|
$this->pgsql_old_seq = 0;
|
|
}
|
|
return $retVal;
|
|
}
|
|
|
|
/**
|
|
* Drops all tables in $aTables
|
|
*
|
|
* @param array $aTables array of eGW table-definitions
|
|
* @param boolean $bOutputHTML should we give diagnostics, default False
|
|
* @return boolean True if no error, else False
|
|
*/
|
|
function DropAllTables($aTables, $bOutputHTML=False)
|
|
{
|
|
if(!is_array($aTables) || !isset($this->m_odb))
|
|
{
|
|
return False;
|
|
}
|
|
// set our debug-mode or $bOutputHTML is the other one is set
|
|
if ($this->debug) $bOutputHTML = True;
|
|
if ($bOutputHTML && !$this->debug) $this->debug = 2;
|
|
|
|
foreach($aTables as $sTableName => $aTableDef)
|
|
{
|
|
if($this->DropTable($sTableName))
|
|
{
|
|
if($bOutputHTML)
|
|
{
|
|
echo '<br>Drop Table <b>' . $sTableSQL . '</b>';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return False;
|
|
}
|
|
}
|
|
return True;
|
|
}
|
|
|
|
/**
|
|
* Drops the table $sTableName
|
|
*
|
|
* @param string $sTableName
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function DropTable($sTableName)
|
|
{
|
|
if ($this->sType == 'pgsql') $this->_PostgresTestDropOldSequence($sTableName);
|
|
|
|
$aSql = $this->dict->DropTableSql($sTableName);
|
|
|
|
return $this->ExecuteSQLArray($aSql,2,'DropTable(%1) sql=%2',False,$sTableName,$aSql);
|
|
}
|
|
|
|
/**
|
|
* Drops column $sColumnName from table $sTableName
|
|
*
|
|
* @param string $sTableName table-name
|
|
* @param array $aTableDef eGW table-defintion
|
|
* @param string $sColumnName column-name
|
|
* @param boolean $bCopyData ???
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function DropColumn($sTableName, $aTableDef, $sColumnName, $bCopyData = true)
|
|
{
|
|
$table_def = $this->GetTableDefinition($sTableName);
|
|
unset($table_def['fd'][$sColumnName]);
|
|
|
|
$aSql = $this->dict->DropColumnSql($sTableName,$sColumnName,$ado_table=$this->_egw2adodb_columndef($table_def));
|
|
|
|
return $this->ExecuteSQLArray($aSql,2,'DropColumnSQL(%1,%2,%3) sql=%4',False,$sTableName,$sColumnName,$ado_table,$aSql);
|
|
}
|
|
|
|
/**
|
|
* Renames table $sOldTableName to $sNewTableName
|
|
*
|
|
* @param string $sOldTableName old (existing) table-name
|
|
* @param string $sNewTableName new table-name
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function RenameTable($sOldTableName, $sNewTableName)
|
|
{
|
|
// if we have an old postgres sequence or index (the ones not linked to the table),
|
|
// we create a new table, copy the content and drop the old one
|
|
if ($this->sType == 'pgsql')
|
|
{
|
|
$table_def = $this->GetTableDefinition($sOldTableName);
|
|
|
|
if ($this->_PostgresHasOldSequence($sOldTableName,True) || count($table_def['pk']) ||
|
|
count($table_def['ix']) || count($table_def['uc']))
|
|
{
|
|
if ($this->adodb->BeginTrans() &&
|
|
$this->CreateTable($sNewTableName,$table_def,True) &&
|
|
$this->m_odb->query("INSERT INTO $sNewTableName SELECT * FROM $sOldTableName",__LINE__,__FILE__) &&
|
|
$this->DropTable($sOldTableName))
|
|
{
|
|
$this->adodb->CommitTrans();
|
|
return 2;
|
|
}
|
|
$this->adodb->RollbackTrans();
|
|
return 0;
|
|
}
|
|
}
|
|
$aSql = $this->dict->RenameTableSQL($sOldTableName, $sNewTableName);
|
|
|
|
return $this->ExecuteSQLArray($aSql,2,'RenameTableSQL(%1,%2) sql=%3',False,$sOldTableName,$sNewTableName,$aSql);
|
|
}
|
|
|
|
/**
|
|
* Check if we have an old, not automaticaly droped sequence
|
|
*
|
|
* @param string $sTableName
|
|
* @param bool $preserveValue
|
|
* @return boolean/string sequence-name or false
|
|
*/
|
|
function _PostgresHasOldSequence($sTableName,$preserveValue=False)
|
|
{
|
|
if ($this->sType != 'pgsql') return false;
|
|
|
|
$seq = $this->adodb->GetOne("SELECT d.adsrc FROM pg_attribute a, pg_class c, pg_attrdef d WHERE c.relname='$sTableName' AND c.oid=d.adrelid AND d.adsrc LIKE '%seq_$sTableName''::text)' AND a.attrelid=c.oid AND d.adnum=a.attnum");
|
|
$seq2 = $this->adodb->GetOne("SELECT d.adsrc FROM pg_attribute a, pg_class c, pg_attrdef d WHERE c.relname='$sTableName' AND c.oid=d.adrelid AND d.adsrc LIKE '%$sTableName%_seq''::text)' AND a.attrelid=c.oid AND d.adnum=a.attnum");
|
|
|
|
if ($seq && preg_match('/^nextval\(\'(.*)\'/',$seq,$matches))
|
|
{
|
|
if ($preserveValue) $this->pgsql_old_seq = $this->adodb->GetOne("SELECT last_value FROM " . $matches[1]);
|
|
return $matches[1];
|
|
}
|
|
if ($seq2 && preg_match('/^nextval\(\'public\.(.*)\'/',$seq2,$matches))
|
|
{
|
|
if ($preserveValue) $this->pgsql_old_seq = $this->adodb->GetOne("SELECT last_value FROM " . $matches[1]);
|
|
return $matches[1];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check if we have an old, not automaticaly droped sequence and drop it
|
|
*
|
|
* @param $sTableName
|
|
* @param bool $preserveValue
|
|
*/
|
|
function _PostgresTestDropOldSequence($sTableName,$preserveValue=False)
|
|
{
|
|
$this->pgsql_old_seq = 0;
|
|
if ($this->sType == 'pgsql' && ($seq = $this->_PostgresHasOldSequence($sTableName)))
|
|
{
|
|
// only drop sequence, if there is no dependency on it
|
|
if (!$this->adodb->GetOne("SELECT relname FROM pg_class JOIN pg_depend ON pg_class.relfilenode=pg_depend.objid WHERE relname='$seq' AND relkind='S' AND deptype='i'"))
|
|
{
|
|
$this->query('DROP SEQUENCE '.$seq,__LINE__,__FILE__);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Changes one (exiting) column in a table
|
|
*
|
|
* @param string $sTableName table-name
|
|
* @param string $sColumnName column-name
|
|
* @param array $aColumnDef new column-definition
|
|
* @param boolean $bCopyData ???
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function AlterColumn($sTableName, $sColumnName, $aColumnDef, $bCopyData=True)
|
|
{
|
|
$table_def = $this->GetTableDefinition($sTableName);
|
|
|
|
// PostgreSQL: varchar or ascii column shortened, use substring to avoid error if current content is to long
|
|
if($this->sType == 'pgsql' && in_array($table_def['fd'][$sColumnName]['type'], array('varchar', 'ascii')) &&
|
|
in_array($aColumnDef['type'], array('varchar', 'ascii')) &&
|
|
$table_def['fd'][$sColumnName]['precision'] > $aColumnDef['precision'])
|
|
{
|
|
$this->m_odb->update($sTableName, array(
|
|
"$sColumnName=SUBSTRING($sColumnName FROM 1 FOR ".(int)$aColumnDef['precision'].')',
|
|
), "LENGTH($sColumnName) > ".(int)$aColumnDef['precision'], __LINE__, __FILE__);
|
|
|
|
if (($shortend = $this->m_odb->affected_rows()))
|
|
{
|
|
error_log(__METHOD__."('$sTableName', '$sColumnName', ".array2string($aColumnDef).") $shortend values shortened");
|
|
}
|
|
}
|
|
$table_def['fd'][$sColumnName] = $aColumnDef;
|
|
|
|
$aSql = $this->dict->AlterColumnSQL($sTableName,$ado_col = $this->_egw2adodb_columndef(array(
|
|
'fd' => array($sColumnName => $aColumnDef),
|
|
'pk' => array(),
|
|
)),$ado_table=$this->_egw2adodb_columndef($table_def));
|
|
|
|
return $this->ExecuteSQLArray($aSql,2,'AlterColumnSQL(%1,%2,%3) sql=%4',False,$sTableName,$ado_col,$ado_table,$aSql);
|
|
}
|
|
|
|
/**
|
|
* Renames column $sOldColumnName to $sNewColumnName in table $sTableName
|
|
*
|
|
* @param string $sTableName table-name
|
|
* @param string $sOldColumnName old (existing) column-name
|
|
* @param string $sNewColumnName new column-name
|
|
* @param boolean $bCopyData ???
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function RenameColumn($sTableName, $sOldColumnName, $sNewColumnName, $bCopyData=True)
|
|
{
|
|
$table_def = $this->GetTableDefinition($sTableName);
|
|
$old_def = array();
|
|
|
|
if (isset($table_def['fd'][$sOldColumnName]))
|
|
{
|
|
$old_def = $table_def['fd'][$sOldColumnName];
|
|
}
|
|
else
|
|
{
|
|
foreach($table_def['fd'] as $col => $def)
|
|
{
|
|
if (strtolower($col) == strtolower($sOldColumnName))
|
|
{
|
|
$old_def = $def;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
$col_def = $this->_egw2adodb_columndef(array(
|
|
'fd' => array($sNewColumnName => $old_def),
|
|
'pk' => array(),
|
|
));
|
|
|
|
$aSql = $this->dict->RenameColumnSQL($sTableName,$sOldColumnName,$sNewColumnName,$col_def);
|
|
|
|
return $this->ExecuteSQLArray($aSql,2,'RenameColumnSQL(%1,%2,%3) sql=%4',False,$sTableName,$sOldColumnName, $sNewColumnName,$aSql);
|
|
}
|
|
|
|
/**
|
|
* Add one (new) column to a table
|
|
*
|
|
* @param string $sTableName table-name
|
|
* @param string $sColumnName column-name
|
|
* @param array $aColumnDef column-definition
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function AddColumn($sTableName, $sColumnName, $aColumnDef)
|
|
{
|
|
$aSql = $this->dict->AddColumnSQL($sTableName,$ado_cols = $this->_egw2adodb_columndef(array(
|
|
'fd' => array($sColumnName => $aColumnDef),
|
|
'pk' => array(),
|
|
)));
|
|
|
|
return $this->ExecuteSQLArray($aSql,2,'AlterColumnSQL(%1,%2,%3) sql=%4',False,$sTableName,$sColumnName, $aColumnDef,$aSql);
|
|
}
|
|
|
|
/**
|
|
* Create an (unique) Index over one or more columns
|
|
*
|
|
* @param string $sTablename table-name
|
|
* @param array $aColumnNames columns for the index
|
|
* @param boolean $bUnique=false true for a unique index, default false
|
|
* @param array/string $options='' db-sepecific options, default '' = none
|
|
* @param string $sIdxName='' name of the index, if not given (default) its created automaticaly
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function CreateIndex($sTableName,$aColumnNames,$bUnique=false,$options='',$sIdxName='')
|
|
{
|
|
// remove length limits from column names, if DB type is NOT MySQL
|
|
if ($this->sType != 'mysql')
|
|
{
|
|
$aColumnNames = preg_replace('/ *\(\d+\)$/','',$aColumnNames);
|
|
}
|
|
if (!$sIdxName || is_numeric($sIdxName))
|
|
{
|
|
$sIdxName = $this->_index_name($sTableName,$aColumnNames);
|
|
}
|
|
if (!is_array($options)) $options = $options ? array($options) : array();
|
|
if ($bUnique) $options[] = 'UNIQUE';
|
|
|
|
$aSql = $this->dict->CreateIndexSQL($sIdxName,$sTableName,$aColumnNames,$options);
|
|
|
|
return $this->ExecuteSQLArray($aSql,2,'CreateIndexSQL(%1,%2,%3,%4) sql=%5',False,$name,$sTableName,$aColumnNames,$options,$aSql);
|
|
}
|
|
|
|
/**
|
|
* Drop an Index
|
|
*
|
|
* @param string $sTablename table-name
|
|
* @param array/string $aColumnNames columns of the index or the name of the index
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function DropIndex($sTableName,$aColumnNames)
|
|
{
|
|
if (is_array($aColumnNames))
|
|
{
|
|
$indexes = $this->dict->MetaIndexes($sTableName);
|
|
|
|
if ($indexes === False)
|
|
{
|
|
// if MetaIndexes is not availible for the DB, we try the name the index was created with
|
|
// this fails if one of the columns have been renamed
|
|
$sIdxName = $this->_index_name($sTableName,$aColumnNames);
|
|
}
|
|
else
|
|
{
|
|
foreach($indexes as $idx => $idx_data)
|
|
{
|
|
if (strtolower(implode(':',$idx_data['columns'])) == implode(':',$aColumnNames))
|
|
{
|
|
$sIdxName = $idx;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$sIdxName = $aColumnNames;
|
|
}
|
|
if(!$sIdxName)
|
|
{
|
|
return True;
|
|
}
|
|
$aSql = $this->dict->DropIndexSQL($sIdxName,$sTableName);
|
|
|
|
return $this->ExecuteSQLArray($aSql,2,'DropIndexSQL(%1(%2),%3) sql=%4',False,$sIdxName,$aColumnNames,$sTableName,$aSql);
|
|
}
|
|
|
|
/**
|
|
* Updating the sequence-value, after eg. copying data via RefreshTable
|
|
* @param string $sTableName table-name
|
|
* @param string $sColumnName column-name, which default is set to nextval()
|
|
*/
|
|
function UpdateSequence($sTableName,$sColumnName)
|
|
{
|
|
switch($this->sType)
|
|
{
|
|
case 'pgsql':
|
|
// identify the sequence name, ADOdb uses a different name or it might be renamed
|
|
$columns = $this->dict->MetaColumns($sTableName);
|
|
$seq_name = 'seq_'.$sTableName;
|
|
if (preg_match("/nextval\('([^']+)'::(text|regclass)\)/",$columns[strtoupper($sColumnName)]->default_value,$matches))
|
|
{
|
|
$seq_name = $matches[1];
|
|
}
|
|
$sql = "SELECT setval('$seq_name',MAX($sColumnName)) FROM $sTableName";
|
|
if($this->debug) { echo "<br>Updating sequence '$seq_name using: $sql"; }
|
|
return $this->query($sql,__LINE__,__FILE__);
|
|
}
|
|
return True;
|
|
}
|
|
|
|
/**
|
|
* This function manually re-created the table incl. primary key and all other indices
|
|
*
|
|
* It is meant to use if the primary key, existing indices or column-order changes or
|
|
* columns are not longer used or new columns need to be created (with there default value or NULL)
|
|
* Beside the default-value in the schema, one can give extra defaults via $aDefaults to eg. use an
|
|
* other colum or function to set the value of a new or changed column
|
|
*
|
|
* @param string $sTableName table-name
|
|
* @param array $aTableDef eGW table-defintion
|
|
* @param array/boolean $aDefaults array with default for the colums during copying, values are either (old) column-names or quoted string-literals
|
|
*/
|
|
function RefreshTable($sTableName, $aTableDef, $aDefaults=False)
|
|
{
|
|
if($this->debug) { echo "<p>schema_proc::RefreshTable('$sTableName',"._debug_array($aTableDef,False).")<p>$sTableName="._debug_array($old_table_def,False)."\n"; }
|
|
|
|
$old_table_def = $this->GetTableDefinition($sTableName);
|
|
|
|
$tmp_name = 'tmp_'.$sTableName;
|
|
$this->m_odb->transaction_begin();
|
|
|
|
$select = array();
|
|
$blob_column_included = $auto_column_included = False;
|
|
foreach($aTableDef['fd'] as $name => $data)
|
|
{
|
|
// new auto column with no default or explicit NULL as default (can be an existing column too!)
|
|
if ($data['type'] == 'auto' &&
|
|
(!isset($old_table_def['fd'][$name]) && (!$aDefaults || !isset($aDefaults[$name])) ||
|
|
$aDefaults && strtoupper($aDefaults[$name]) == 'NULL'))
|
|
{
|
|
$sequence_name = $sTableName.'_'.$name.'_seq';
|
|
switch($GLOBALS['egw_setup']->db->Type)
|
|
{
|
|
case 'mysql':
|
|
$value = 'NULL'; break;
|
|
case 'pgsql':
|
|
$value = "nextval('$sequence_name'::regclass)"; break;
|
|
default:
|
|
$value = "nextval('$sequence_name')"; break;
|
|
}
|
|
}
|
|
elseif ($aDefaults && isset($aDefaults[$name])) // use given default
|
|
{
|
|
$value = $aDefaults[$name];
|
|
}
|
|
elseif (isset($old_table_def['fd'][$name])) // existing column, use its value => column-name in query
|
|
{
|
|
$value = $name;
|
|
|
|
if ($this->sType == 'pgsql') // some postgres specific code
|
|
{
|
|
// this is eg. necessary to change a varchar into an int column under postgres
|
|
if (in_array($old_table_def['fd'][$name]['type'],array('char','varchar','text','blob')) &&
|
|
in_array($data['type'],array('int','decimal')))
|
|
{
|
|
$value = "to_number($name,'S9999999999999D99')";
|
|
}
|
|
// blobs cant be casted to text
|
|
elseif($old_table_def['fd'][$name]['type'] == 'blob' && $data['type'] == 'text')
|
|
{
|
|
$value = "ENCODE($value,'escape')";
|
|
}
|
|
// varchar or ascii column shortened, use substring to avoid error if current content is to long
|
|
elseif(in_array($old_table_def['fd'][$name]['type'], array('varchar', 'ascii')) &&
|
|
in_array($data['type'], array('varchar', 'ascii')) &&
|
|
$old_table_def['fd'][$name]['precision'] > $data['precision'])
|
|
{
|
|
$value = "SUBSTRING($value FROM 1 FOR ".(int)$data['precision'].')';
|
|
}
|
|
// cast everything which is a different type
|
|
elseif($old_table_def['fd'][$name]['type'] != $data['type'] && ($type_translated = $this->TranslateType($data['type'])))
|
|
{
|
|
$value = "CAST($value AS $type_translated)";
|
|
}
|
|
}
|
|
}
|
|
else // new column => use default value or NULL
|
|
{
|
|
if (!isset($data['default']) && (!isset($data['nullable']) || $data['nullable']))
|
|
{
|
|
$value = 'NULL';
|
|
}
|
|
// some stuff is NOT to be quoted
|
|
elseif (in_array(strtoupper($data['default']),array('CURRENT_TIMESTAMP','CURRENT_DATE','NULL','NOW()')))
|
|
{
|
|
$value = $data['default'];
|
|
}
|
|
else
|
|
{
|
|
$value = $this->m_odb->quote(isset($data['default']) ? $data['default'] : '',$data['type']);
|
|
}
|
|
if ($this->sType == 'pgsql')
|
|
{
|
|
// fix for postgres error "no '<' operator for type 'unknown'"
|
|
if(($type_translated = $this->TranslateType($data['type'])))
|
|
{
|
|
$value = "CAST($value AS $type_translated)";
|
|
}
|
|
}
|
|
}
|
|
$blob_column_included = $blob_column_included || in_array($data['type'],array('blob','text','longtext'));
|
|
$auto_column_included = $auto_column_included || $data['type'] == 'auto';
|
|
$select[] = $value;
|
|
}
|
|
$select = implode(',',$select);
|
|
|
|
$extra = '';
|
|
$distinct = 'DISTINCT';
|
|
switch($this->sType)
|
|
{
|
|
case 'mssql':
|
|
if ($auto_column_included) $extra = "SET IDENTITY_INSERT $sTableName ON\n";
|
|
if ($blob_column_included) $distinct = ''; // no distinct on blob-columns
|
|
break;
|
|
}
|
|
// because of all the trouble with sequences and indexes in the global namespace,
|
|
// we use an additional temp. table for postgres and not rename the existing one, but drop it.
|
|
if ($this->sType == 'pgsql')
|
|
{
|
|
$Ok = $this->m_odb->query("SELEcT * INTO TEMPORARY TABLE $tmp_name FROM $sTableName",__LINE__,__FILE__) &&
|
|
$this->DropTable($sTableName);
|
|
}
|
|
else
|
|
{
|
|
// drop evtl. existing temp. table eg. from a previous failed upgrade
|
|
if (($tables = $this->m_odb->table_names(true)) && in_array($tmp_name, $tables))
|
|
{
|
|
$this->DropTable($tmp_name);
|
|
}
|
|
$Ok = $this->RenameTable($sTableName,$tmp_name);
|
|
}
|
|
$Ok = $Ok && $this->CreateTable($sTableName,$aTableDef) &&
|
|
$this->m_odb->query($sql_copy_data="$extra INSERT INTO $sTableName (".
|
|
implode(',',array_keys($aTableDef['fd'])).
|
|
") SELEcT $distinct $select FROM $tmp_name",__LINE__,__FILE__) &&
|
|
$this->DropTable($tmp_name);
|
|
//error_log($sql_copy_data);
|
|
|
|
if (!$Ok)
|
|
{
|
|
$this->m_odb->transaction_abort();
|
|
return False;
|
|
}
|
|
// do we need to update the new sequences value ?
|
|
if (count($aTableDef['pk']) == 1 && $aTableDef['fd'][$aTableDef['pk'][0]]['type'] == 'auto')
|
|
{
|
|
$this->UpdateSequence($sTableName,$aTableDef['pk'][0]);
|
|
}
|
|
$this->m_odb->transaction_commit();
|
|
|
|
return True;
|
|
}
|
|
|
|
/**
|
|
* depricated Function does nothing any more
|
|
* @depricated
|
|
*/
|
|
function GenerateScripts($aTables, $bOutputHTML=False)
|
|
{
|
|
return True;
|
|
}
|
|
|
|
/**
|
|
* Creates all tables for one application
|
|
*
|
|
* @param array $aTables array of eGW table-definitions
|
|
* @param boolean $bOutputHTML=false should we give diagnostics, default False
|
|
* @return boolean True on success, False if an (fatal) error occured
|
|
*/
|
|
function ExecuteScripts($aTables, $bOutputHTML=False)
|
|
{
|
|
if(!is_array($aTables) || !IsSet($this->m_odb))
|
|
{
|
|
return False;
|
|
}
|
|
// set our debug-mode or $bOutputHTML is the other one is set
|
|
if ($this->debug) $bOutputHTML = True;
|
|
if ($bOutputHTML && !$this->debug) $this->debug = 2;
|
|
|
|
foreach($aTables as $sTableName => $aTableDef)
|
|
{
|
|
if($this->CreateTable($sTableName, $aTableDef))
|
|
{
|
|
if($bOutputHTML)
|
|
{
|
|
echo '<br>Create Table <b>' . $sTableName . '</b>';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if($bOutputHTML)
|
|
{
|
|
echo '<br>Create Table Failed For <b>' . $sTableName . '</b>';
|
|
}
|
|
|
|
return False;
|
|
}
|
|
}
|
|
return True;
|
|
}
|
|
|
|
/**
|
|
* Return the value of a column
|
|
*
|
|
* @param string/integer $Name name of field or positional index starting from 0
|
|
* @param bool $strip_slashes string escape chars from field(optional), default false
|
|
* @return string the field value
|
|
*/
|
|
function f($value,$strip_slashes=False)
|
|
{
|
|
return $this->m_odb->f($value,$strip_slashes);
|
|
}
|
|
|
|
/**
|
|
* Number of rows in current result set
|
|
*
|
|
* @return int number of rows
|
|
*/
|
|
function num_rows()
|
|
{
|
|
return $this->m_odb->num_rows();
|
|
}
|
|
|
|
/**
|
|
* Move to the next row in the results set
|
|
*
|
|
* @return bool was another row found?
|
|
*/
|
|
function next_record()
|
|
{
|
|
return $this->m_odb->next_record();
|
|
}
|
|
|
|
/**
|
|
* Execute a query
|
|
*
|
|
* @param string $Query_String the query to be executed
|
|
* @param mixed $line the line method was called from - use __LINE__
|
|
* @param string $file the file method was called from - use __FILE__
|
|
* @param int $offset row to start from
|
|
* @param int $num_rows number of rows to return (optional), if unset will use $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs']
|
|
* @return ADORecordSet or false, if the query fails
|
|
*/
|
|
function query($sQuery, $line='', $file='')
|
|
{
|
|
return $this->m_odb->query($sQuery, $line, $file);
|
|
}
|
|
|
|
/**
|
|
* Insert a row of data into a table or updates it if $where is given, all data is quoted according to it's type
|
|
*
|
|
* @param string $table name of the table
|
|
* @param array $data with column-name / value pairs
|
|
* @param mixed $where string with where clause or array with column-name / values pairs to check if a row with that keys already exists, or false for an unconditional insert
|
|
* if the row exists db::update is called else a new row with $date merged with $where gets inserted (data has precedence)
|
|
* @param int $line line-number to pass to query
|
|
* @param string $file file-name to pass to query
|
|
* @param string $app=false string with name of app, this need to be set in setup anyway!!!
|
|
* @return ADORecordSet or false, if the query fails
|
|
*/
|
|
function insert($table,$data,$where,$line,$file,$app=False,$use_prepared_statement=false)
|
|
{
|
|
return $this->m_odb->insert($table,$data,$where,$line,$file,$app,$use_prepared_statement);
|
|
}
|
|
|
|
/**
|
|
* Execute the Sql statements in an array and give diagnostics, if any error occures
|
|
*
|
|
* @param $aSql array of SQL strings to execute
|
|
* @param $debug_level int for which debug_level (and higher) should the diagnostics always been printed
|
|
* @param $debug string variable number of arguments for the debug_message functions in case of an error
|
|
* @return int 2: no error, 1: errors, but continued, 0: errors aborted
|
|
*/
|
|
function ExecuteSqlArray($aSql,$debug_level,$debug)
|
|
{
|
|
if ($this->m_odb->query_log) // we use egw_db::query to log the queries
|
|
{
|
|
$retval = 2;
|
|
foreach($aSql as $sql)
|
|
{
|
|
if (!$this->m_odb->query($sql,__LINE__,__FILE__))
|
|
{
|
|
$retval = 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$retval = $this->dict->ExecuteSQLArray($aSql);
|
|
}
|
|
if ($retval < 2 || $this->debug >= $debug_level || $this->debug > 3)
|
|
{
|
|
$debug_params = func_get_args();
|
|
array_shift($debug_params);
|
|
array_shift($debug_params);
|
|
call_user_func_array(array($this,'debug_message'),$debug_params);
|
|
if ($retval < 2 && !$this->dict->debug)
|
|
{
|
|
echo '<p><b>'.$this->adodb->ErrorMsg()."</b></p>\n";
|
|
}
|
|
}
|
|
return $retval;
|
|
}
|
|
|
|
/**
|
|
* Created a (unique) name for an index
|
|
*
|
|
* As the length of the index name is limited on some databases, we use two algorithms:
|
|
* a) we use just the first column-name with and added _2, _3, ... if more indexes uses that column
|
|
* b) we use the table-names plus all column-names and remove dublicate parts
|
|
*
|
|
* @internal
|
|
* @param $sTableName string name of the table
|
|
* @param $aColumnNames array of column-names or string with a single column-name
|
|
* @return string the index-name
|
|
*/
|
|
function _index_name($sTableName,$aColumnNames)
|
|
{
|
|
// this code creates extrem short index-names, eg. for MaxDB
|
|
// if (isset($this->max_index_length[$this->sType]) && $this->max_index_length[$this->sType] <= 32)
|
|
// {
|
|
// static $existing_indexes=array();
|
|
//
|
|
// if (!isset($existing_indexes[$sTableName]) && method_exists($this->adodb,'MetaIndexes'))
|
|
// {
|
|
// $existing_indexes[$sTableName] = $this->adodb->MetaIndexes($sTableName);
|
|
// }
|
|
// $i = 0;
|
|
// $firstCol = is_array($aColumnNames) ? $aColumnNames[0] : $aColumnNames;
|
|
// do
|
|
// {
|
|
// ++$i;
|
|
// $name = $firstCol . ($i > 1 ? '_'.$i : '');
|
|
// }
|
|
// while (isset($existing_indexes[$sTableName][$name]) || isset($existing_indexes[strtoupper($sTableName)][strtoupper($name)]));
|
|
//
|
|
// $existing_indexes[$sTableName][$name] = True; // mark it as existing now
|
|
//
|
|
// return $name;
|
|
// }
|
|
// This code creates longer index-names incl. the table-names and the used columns
|
|
$table = str_replace(array('phpgw_','egw_'),'',$sTableName);
|
|
// if the table-name or a part of it is repeated in the column-name, remove it there
|
|
$remove[] = $table.'_';
|
|
// also remove 3 or 4 letter shortcuts of the table- or app-name
|
|
$remove[] = substr($table,0,3).'_';
|
|
$remove[] = substr($table,0,4).'_';
|
|
// if the table-name consists of '_' limtied parts, remove occurences of these parts too
|
|
foreach (explode('_',$table) as $part)
|
|
{
|
|
$remove[] = $part.'_';
|
|
}
|
|
$aColumnNames = str_replace($remove,'',$aColumnNames);
|
|
|
|
$name = $sTableName.'_'.(is_array($aColumnNames) ? implode('_',$aColumnNames) : $aColumnNames);
|
|
// remove length limits from column names
|
|
$name = preg_replace('/ *\(\d+\)/','',$name);
|
|
|
|
// this code creates a fixed short index-names (30 chars) from the long and unique name, eg. for MaxDB or Oracle
|
|
if (isset($this->max_index_length[$this->sType]) && $this->max_index_length[$this->sType] <= 32 && strlen($name) > 30 ||
|
|
strlen($name) >= 64) // even mysql has a limit here ;-)
|
|
{
|
|
$name = "i".substr(md5($name),0,29);
|
|
}
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* Giving a non-fatal error-message
|
|
*/
|
|
function error($str)
|
|
{
|
|
echo "<p><b>Error:</b> $str</p>";
|
|
}
|
|
|
|
/**
|
|
* Giving a fatal error-message and exiting
|
|
*/
|
|
function fatal($str)
|
|
{
|
|
echo "<p><b>Fatal Error:</b> $str</p>";
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Gives out a debug-message with certain parameters
|
|
*
|
|
* All permanent debug-messages in the calendar should be done by this function !!!
|
|
* (In future they may be logged or sent as xmlrpc-faults back.)
|
|
*
|
|
* Permanent debug-message need to make sure NOT to give secret information like passwords !!!
|
|
*
|
|
* This function do NOT honor the setting of the debug variable, you may use it like
|
|
* if ($this->debug > N) $this->debug_message('Error ;-)');
|
|
*
|
|
* The parameters get formated depending on their type.
|
|
*
|
|
* @param $msg string message with parameters/variables like lang(), eg. '%1'
|
|
* @param $backtrace include a function-backtrace, default True=On
|
|
* should only be set to False=Off, if your code ensures a call with backtrace=On was made before !!!
|
|
* @param $param mixed a variable number of parameters, to be inserted in $msg
|
|
* arrays get serialized with print_r() !
|
|
*/
|
|
function debug_message($msg,$backtrace=True)
|
|
{
|
|
for($i = 2; $i < func_num_args(); ++$i)
|
|
{
|
|
$param = func_get_arg($i);
|
|
|
|
if (is_null($param))
|
|
{
|
|
$param='NULL';
|
|
}
|
|
else
|
|
{
|
|
switch(gettype($param))
|
|
{
|
|
case 'string':
|
|
$param = "'$param'";
|
|
break;
|
|
case 'array':
|
|
case 'object':
|
|
list(,$content) = @each($param);
|
|
$do_pre = is_array($param) ? count($param) > 6 || is_array($content)&&count($content) : True;
|
|
$param = ($do_pre ? '<pre>' : '').print_r($param,True).($do_pre ? '</pre>' : '');
|
|
break;
|
|
case 'boolean':
|
|
$param = $param ? 'True' : 'False';
|
|
break;
|
|
}
|
|
}
|
|
$msg = str_replace('%'.($i-1),$param,$msg);
|
|
}
|
|
echo '<p>'.$msg."<br>\n".($backtrace ? 'Backtrace: '.function_backtrace(1)."</p>\n" : '');
|
|
}
|
|
|
|
/**
|
|
* Converts an eGW table-definition array into an ADOdb column-definition string
|
|
*
|
|
* @internal
|
|
* @param array $aTableDef eGW table-defintion
|
|
* @return string ADOdb column-definition string (comma separated)
|
|
*/
|
|
function _egw2adodb_columndef($aTableDef)
|
|
{
|
|
$ado_defs = array();
|
|
foreach($aTableDef['fd'] as $col => $col_data)
|
|
{
|
|
$ado_col = False;
|
|
|
|
switch($col_data['type'])
|
|
{
|
|
case 'auto':
|
|
$ado_col = 'I AUTOINCREMENT NOTNULL';
|
|
unset($col_data['nullable']); // else we set it twice
|
|
break;
|
|
case 'blob':
|
|
$ado_col = 'B';
|
|
break;
|
|
case 'bool':
|
|
$ado_col = 'L';
|
|
break;
|
|
case 'char':
|
|
// ADOdb does not differ between char and varchar
|
|
case 'ascii':
|
|
case 'varchar':
|
|
$ado_col = "C";
|
|
if(0 < $col_data['precision'] && $col_data['precision'] <= $this->max_varchar_length)
|
|
{
|
|
$ado_col .= "($col_data[precision])";
|
|
}
|
|
if($col_data['precision'] > $this->max_varchar_length)
|
|
{
|
|
$ado_col = 'X';
|
|
}
|
|
if ($col_data['type'] == 'ascii' && $this->sType == 'mysql')
|
|
{
|
|
$ado_col .= ' CONSTRAINT "CHARACTER SET ascii"';
|
|
}
|
|
break;
|
|
case 'date':
|
|
$ado_col = 'D';
|
|
// allow to use now() beside current_date, as Postgres backups contain it and it's easier to remember anyway
|
|
if (in_array($col_data['default'],array('current_date','now()')))
|
|
{
|
|
$ado_col .= ' DEFDATE';
|
|
unset($col_data['default']);
|
|
}
|
|
break;
|
|
case 'decimal':
|
|
$ado_col = "N($col_data[precision].$col_data[scale])";
|
|
break;
|
|
case 'double':
|
|
case 'float':
|
|
// ADOdb does not differ between float and double
|
|
$ado_col = 'F';
|
|
break;
|
|
case 'int':
|
|
$ado_col = 'I';
|
|
switch($col_data['precision'])
|
|
{
|
|
case 1:
|
|
case 2:
|
|
case 4:
|
|
case 8:
|
|
$ado_col .= $col_data['precision'];
|
|
break;
|
|
}
|
|
break;
|
|
case 'longtext':
|
|
$ado_col = 'XL';
|
|
break;
|
|
case 'text':
|
|
$ado_col = 'X';
|
|
break;
|
|
case 'timestamp':
|
|
$ado_col = 'T';
|
|
// allow to use now() beside current_timestamp, as Postgres backups contain it and it's easier to remember anyway
|
|
if (in_array($col_data['default'],array('current_timestamp','now()')))
|
|
{
|
|
$ado_col .= ' DEFTIMESTAMP';
|
|
unset($col_data['default']);
|
|
}
|
|
break;
|
|
}
|
|
if (!$ado_col)
|
|
{
|
|
$this->error("Ignoring unknown column-type '$col_data[type]($col_data[precision])' !!!<br>".function_backtrace());
|
|
continue;
|
|
}
|
|
if (isset($col_data['nullable']) && !$col_data['nullable'])
|
|
{
|
|
$ado_col .= ' NOTNULL';
|
|
}
|
|
if (isset($col_data['default']))
|
|
{
|
|
$ado_col .= (in_array($col_data['type'],array('bool','int','decimal','float','double')) && $col_data['default'] != 'NULL' ? ' NOQUOTE' : '').
|
|
' DEFAULT '.$this->m_odb->quote($col_data['default'],$col_data['type']);
|
|
}
|
|
if (in_array($col,$aTableDef['pk']))
|
|
{
|
|
$ado_col .= ' PRIMARY';
|
|
}
|
|
$ado_defs[] = $col . ' ' . $ado_col;
|
|
}
|
|
//print_r($aTableDef); echo implode(",\n",$ado_defs)."\n";
|
|
return implode(",\n",$ado_defs);
|
|
}
|
|
|
|
/**
|
|
* Translates an eGW type into the DB's native type
|
|
*
|
|
* @param string $egw_type eGW name of type
|
|
* @param string/boolean DB's name of the type or false if the type could not be identified (should not happen)
|
|
*/
|
|
function TranslateType($egw_type)
|
|
{
|
|
$ado_col = $this->_egw2adodb_columndef(array(
|
|
'fd' => array('test' => array('type' => $egw_type)),
|
|
'pk' => array(),
|
|
));
|
|
return preg_match('/test ([A-Z0-9]+)/i',$ado_col,$matches) ? $this->dict->ActualType($matches[1]) : false;
|
|
}
|
|
|
|
/**
|
|
* Read the table-definition direct from the database
|
|
*
|
|
* The definition might not be as accurate, depending on the DB!
|
|
*
|
|
* @param string $sTableName table-name
|
|
* @return array/boolean table-defition, like $phpgw_baseline[$sTableName] after including tables_current, or false on error
|
|
*/
|
|
function GetTableDefinition($sTableName)
|
|
{
|
|
// MetaType returns all varchar >= blobSize as blob, it's by default 100, which is wrong
|
|
$this->dict->blobSize = $this->max_varchar_length;
|
|
|
|
if (!method_exists($this->dict,'MetaColumns') ||
|
|
!($columns = $this->dict->MetaColumns($sTableName)))
|
|
{
|
|
return False;
|
|
}
|
|
$definition = array(
|
|
'fd' => array(),
|
|
'pk' => array(),
|
|
'fk' => array(),
|
|
'ix' => array(),
|
|
'uc' => array(),
|
|
);
|
|
//echo "$sTableName: <pre>".print_r($columns,true)."</pre>";
|
|
foreach($columns as $column)
|
|
{
|
|
$name = $this->capabilities['name_case'] == 'upper' ? strtolower($column->name) : $column->name;
|
|
|
|
$type = method_exists($this->dict,'MetaType') ? $this->dict->MetaType($column) : strtoupper($column->type);
|
|
|
|
// fix longtext not correctly handled by ADOdb
|
|
if ($type == 'X' && $column->type == 'longtext') $type = 'XL';
|
|
|
|
static $ado_type2egw = array(
|
|
'C' => 'varchar',
|
|
'C2' => 'varchar',
|
|
'X' => 'text',
|
|
'X2' => 'text',
|
|
'XL' => 'longtext',
|
|
'B' => 'blob',
|
|
'I' => 'int',
|
|
'T' => 'timestamp',
|
|
'D' => 'date',
|
|
'F' => 'float',
|
|
'N' => 'decimal',
|
|
'R' => 'auto',
|
|
'L' => 'bool',
|
|
);
|
|
$definition['fd'][$name]['type'] = $ado_type2egw[$type];
|
|
|
|
switch($type)
|
|
{
|
|
case 'D': case 'T':
|
|
// detecting the automatic timestamps again
|
|
if ($column->has_default && preg_match('/(0000-00-00|timestamp)/i',$column->default_value))
|
|
{
|
|
$column->default_value = $type == 'D' ? 'current_date' : 'current_timestamp';
|
|
}
|
|
break;
|
|
case 'C': case 'C2':
|
|
$definition['fd'][$name]['type'] = 'varchar';
|
|
$definition['fd'][$name]['precision'] = $column->max_length;
|
|
break;
|
|
case 'B':
|
|
case 'X': case 'XL': case 'X2':
|
|
// text or blob's need to be nullable for most databases
|
|
$column->not_null = false;
|
|
break;
|
|
case 'F':
|
|
$definition['fd'][$name]['precision'] = $column->max_length;
|
|
break;
|
|
case 'N':
|
|
$definition['fd'][$name]['precision'] = $column->max_length;
|
|
$definition['fd'][$name]['scale'] = $column->scale;
|
|
break;
|
|
case 'R':
|
|
$column->auto_increment = true;
|
|
// fall-through
|
|
case 'I': case 'I1': case 'I2': case 'I4': case 'I8':
|
|
switch($type)
|
|
{
|
|
case 'I1': case 'I2': case 'I4': case 'I8':
|
|
$definition['fd'][$name]['precision'] = (int) $type[1];
|
|
break;
|
|
default:
|
|
if ($column->max_length > 11)
|
|
{
|
|
$definition['fd'][$name]['precision'] = 8;
|
|
}
|
|
elseif ($column->max_length > 6 || !$column->max_length)
|
|
{
|
|
$definition['fd'][$name]['precision'] = 4;
|
|
}
|
|
elseif ($column->max_length > 2)
|
|
{
|
|
$definition['fd'][$name]['precision'] = 2;
|
|
}
|
|
else
|
|
{
|
|
$definition['fd'][$name]['precision'] = 1;
|
|
}
|
|
break;
|
|
}
|
|
if ($column->auto_increment)
|
|
{
|
|
// no precision for auto!
|
|
$definition['fd'][$name] = array(
|
|
'type' => 'auto',
|
|
'nullable' => False,
|
|
);
|
|
$column->has_default = False;
|
|
$definition['pk'][] = $name;
|
|
}
|
|
else
|
|
{
|
|
$definition['fd'][$name]['type'] = 'int';
|
|
// detect postgres type-spec and remove it
|
|
if ($this->sType == 'pgsql' && $column->has_default && preg_match('/\(([^)])\)::/',$column->default_value,$matches))
|
|
{
|
|
$definition['fd'][$name]['default'] = $matches[1];
|
|
$column->has_default = False;
|
|
}
|
|
}
|
|
// fix MySQL stores bool columns as smallint
|
|
if ($this->sType == 'mysql' && $definition['fd'][$name]['precision'] == 1 &&
|
|
$this->m_odb->get_column_attribute($name, $sTableName, true, 'type') === 'bool')
|
|
{
|
|
$definition['fd'][$name]['type'] = 'bool';
|
|
unset($definition['fd'][$name]['precision']);
|
|
$column->default_value = (bool)$column->default_value;
|
|
}
|
|
break;
|
|
}
|
|
if ($column->has_default)
|
|
{
|
|
if (preg_match("/^'(.*)'::.*$/",$column->default_value,$matches)) // postgres
|
|
{
|
|
$column->default_value = $matches[1];
|
|
}
|
|
$definition['fd'][$name]['default'] = $column->default_value;
|
|
}
|
|
if ($column->not_null)
|
|
{
|
|
$definition['fd'][$name]['nullable'] = False;
|
|
}
|
|
if ($column->primary_key && !in_array($name,$definition['pk']))
|
|
{
|
|
$definition['pk'][] = $name;
|
|
}
|
|
}
|
|
if ($this->debug > 2) $this->debug_message("schema_proc::GetTableDefintion: MetaColumns(%1) = %2",False,$sTableName,$columns);
|
|
|
|
// not all DB's (odbc) return the primary keys via MetaColumns
|
|
if (!count($definition['pk']) && method_exists($this->dict,'MetaPrimaryKeys') &&
|
|
is_array($primary = $this->dict->MetaPrimaryKeys($sTableName)) && count($primary))
|
|
{
|
|
if($this->capabilities['name_case'] == 'upper')
|
|
{
|
|
array_walk($primary,create_function('&$s','$s = strtolower($s);'));
|
|
}
|
|
$definition['pk'] = $primary;
|
|
}
|
|
if ($this->debug > 1) $this->debug_message("schema_proc::GetTableDefintion: MetaPrimaryKeys(%1) = %2",False,$sTableName,$primary);
|
|
|
|
$this->GetIndexes($sTableName, $definition);
|
|
if ($this->debug > 1) $this->debug_message("schema_proc::GetTableDefintion(%1) = %2",False,$sTableName,$definition);
|
|
|
|
return $definition;
|
|
}
|
|
|
|
/**
|
|
* Query indexes (not primary index) from database
|
|
*
|
|
* @param string $sTableName
|
|
* @param array& $definition=array()
|
|
* @return array of arrays with keys 'ix' and 'uc'
|
|
*/
|
|
public function GetIndexes($sTableName, array &$definition=array())
|
|
{
|
|
if (method_exists($this->dict,'MetaIndexes') &&
|
|
is_array($indexes = $this->dict->MetaIndexes($sTableName)) && count($indexes))
|
|
{
|
|
foreach($indexes as $index_name => $index)
|
|
{
|
|
if($this->capabilities['name_case'] == 'upper')
|
|
{
|
|
array_walk($index['columns'],create_function('&$s','$s = strtolower($s);'));
|
|
}
|
|
if (count($definition['pk']) && (implode(':',$definition['pk']) == implode(':',$index['columns']) ||
|
|
$index['unique'] && count(array_intersect($definition['pk'],$index['columns'])) == count($definition['pk'])))
|
|
{
|
|
continue; // is already the primary key => ignore it
|
|
}
|
|
$kind = $index['unique'] ? 'uc' : 'ix';
|
|
|
|
$definition[$kind][$index_name] = count($index['columns']) > 1 ? $index['columns'] : $index['columns'][0];
|
|
}
|
|
if ($this->debug > 2) $this->debug_message("schema_proc::GetTableDefintion: MetaIndexes(%1) = %2",False,$sTableName,$indexes);
|
|
}
|
|
return $definition;
|
|
}
|
|
|
|
/**
|
|
* Get actual columnnames as a comma-separated string in $sColumns and set indices as class-vars pk,fk,ix,uc
|
|
*
|
|
* old translator function, use GetTableDefition() instead
|
|
* @depricated
|
|
*/
|
|
function _GetColumns($oProc,$sTableName,&$sColumns)
|
|
{
|
|
$this->sCol = $this->pk = $this->fk = $this->ix = $this->uc = array();
|
|
|
|
$tabledef = $this->GetTableDefinition($sTableName);
|
|
|
|
$sColumns = implode(',',array_keys($tabledef['fd']));
|
|
|
|
foreach($tabledef['fd'] as $column => $data)
|
|
{
|
|
$col_def = "'type' => '$data[type]'";
|
|
unset($data['type']);
|
|
foreach($data as $key => $val)
|
|
{
|
|
$col_def .= ", '$key' => ".(is_bool($val) ? ($val ? 'true' : 'false') :
|
|
(is_int($val) ? $val : "'$val'"));
|
|
}
|
|
$this->sCol[] = "\t\t\t\t'$column' => array($col_def),\n";
|
|
}
|
|
foreach(array('pk','fk','ix','uc') as $kind)
|
|
{
|
|
$this->$kind = $tabledef[$kind];
|
|
}
|
|
}
|
|
}
|