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fix for bug #488: Postgres errors when upgrading to 1.4 beta

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This commit is contained in:
Ralf Becker 2007-05-12 16:58:47 +00:00
parent 32864e955a
commit 7f64e2d175
3 changed files with 68 additions and 26 deletions
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7
phpgwapi/inc/adodb/datadict/datadict-postgres.inc.php
View File

@ -210,18 +210,21 @@ class ADODB2_postgres extends ADODB_DataDict {
{
if ($dropflds && !is_array($dropflds)) $dropflds = explode(',',$dropflds);
$copyflds = array();
foreach($this->MetaColumns($tabname) as $fld) {
foreach(($meta=$this->MetaColumns($tabname)) as $fld) {
if (!$dropflds || !in_array($fld->name,$dropflds)) {
// we need to explicit convert varchar to a number to be able to do an AlterColumn of a char column to a nummeric one
if (preg_match('/'.$fld->name.' (I|I2|I4|I8|N|F)/i',$tableflds,$matches) &&
in_array($fld->type,array('varchar','char','text','bytea'))) {
$copyflds[] = "to_number($fld->name,'S9999999999999D99')";
} elseif (preg_match('/'.$fld->name.' ([\w]+)/i',$tableflds,$matches) &&
strtoupper($fld->type) != ($type = $this->ActualType($matches[1]))) {
$copyflds[] = "CAST($fld->name AS $type)";
} else {
$copyflds[] = $fld->name;
}
// identify the sequence name and the fld its on
if ($fld->primary_key && $fld->has_default &&
preg_match("/nextval\('([^']+)'::text\)/",$fld->default_value,$matches)) {
preg_match("/nextval\('([^']+)'::(text|regclass)\)/",$fld->default_value,$matches)) {
$seq_name = $matches[1];
$seq_fld = $fld->name;
}

2
phpgwapi/inc/adodb/drivers/adodb-postgres64.inc.php
View File

@ -165,7 +165,7 @@ a different OID if a database must be reloaded. */
$cols = $this->MetaColumns($table);
$fld = $cols[strtoupper($column)];
if ($fld->primary_key && $fld->has_default &&
preg_match("/nextval\('([^']+)'::text\)/",$fld->default_value,$matches)) {
preg_match("/nextval\('([^']+)'::(text|regclass)\)/",$fld->default_value,$matches)) {
$ret = $this->GetOne($sql='SELECT currval('.$this->qstr($matches[1]).')');
}
}

85
phpgwapi/inc/class.schema_proc.inc.php
View File

@ -32,46 +32,66 @@
*/
var $m_oTranslator;
/**
* @var egw_db-object $m_odb db-object
* egw_db-object
*
* @var egw_db
*/
var $m_odb;
/**
* @var adodb-object $adodb reference to the global ADOdb object
* reference to the global ADOdb object
*
* @var ADOConnection
*/
var $adodb;
/**
* @var datadictionary-object $dict adodb's datadictionary object for the used db-type
* adodb's datadictionary object for the used db-type
*
* @var ADODB_DataDict
*/
var $dict;
/**
* @var $debug=0 0=Off, 1=some, eg. primary function calls, 2=lots incl. the SQL used
* Debuglevel: 0=Off, 1=some, eg. primary function calls, 2=lots incl. the SQL used
*
* @var int
*/
var $debug = 0;
/**
* @var array $max_index_length db => max. length of indexes pairs (if there is a considerable low limit for a db)
* Arry with db => max. length of indexes pairs (if there is a considerable low limit for a db)
*
* @var array
*/
var $max_index_length=array(
'sapdb' => 32,
'oracle' => 30,
);
/**
* @var string $sType type of the database, set by the the constructor
* type of the database, set by the the constructor: 'mysql','pgsql','mssql','sapdb'
*
* @var string
*/
var $sType;
/**
* @var int $max_varchar_length maximum length of a varchar column, everything above get converted to text
* maximum length of a varchar column, everything above get converted to text
*
* @var int
*/
var $max_varchar_length = 255;
/**
* @var string $system_charset system-charset if set
* system-charset if set
*
* @var string
*/
var $system_charset;
/**
* @var array $capabilities reference to the array of the db-class
* reference to the capabilities array of the db-class
*
* @var array
*/
var $capabilities;
/**
* @var int $pgsql_old_seq preserve value of old sequences in PostgreSQL
* preserve value of old sequences in PostgreSQL
*
* @var int
*/
var $pgsql_old_seq;
@ -80,6 +100,7 @@
*
* @param string $dbms type of the database: 'mysql','pgsql','mssql','sapdb'
* @param object $db=null database class, if null we use $GLOBALS['egw']->db
* @return schema_proc
*/
function schema_proc($dbms=False,$db=null)
{
@ -501,7 +522,7 @@
if (!is_array($options)) $options = $options ? array($options) : array();
if ($bUnique) $options[] = 'UNIQUE';
$aSql = $this->dict->CreateIndexSQL($name,$sTableName,$aColumnNames,$options);
$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,$aSql);
}
@ -518,6 +539,7 @@
if (is_array($aColumnNames))
{
$indexes = $this->dict->MetaIndexes($sTableName);
if ($indexes === False)
{
// if MetaIndexes is not availible for the DB, we try the name the index was created with
@ -605,12 +627,25 @@
elseif (isset($old_table_def['fd'][$name])) // existing column, use its value => column-name in query
{
$value = $name;
// this is eg. necessary to change a varchar into an int column under postgres
if ($this->sType == 'pgsql' &&
in_array($old_table_def['fd'][$name]['type'],array('char','varchar','text','blob')) &&
in_array($data['type'],array('int','decimal')))
if ($this->sType == 'pgsql') // some postgres specific code
{
$value = "to_number($name,'S9999999999999D99')";
// 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')";
}
// 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
@ -622,13 +657,13 @@
else
{
$value = $this->m_odb->quote(isset($data['default']) ? $data['default'] : '',$data['type']);
if ($this->sType == 'pgsql')
}
if ($this->sType == 'pgsql')
{
// fix for postgres error "no '<' operator for type 'unknown'"
if(($type_translated = $this->TranslateType($data['type'])))
{
// fix for postgres error "no '<' operator for type 'unknown'"
if(($type_translated = $this->TranslateType($data['type'])))
{
$value = "CAST($value AS $type_translated)";
}
$value = "CAST($value AS $type_translated)";
}
}
}
@ -1188,6 +1223,10 @@
}
if ($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)
@ -1234,7 +1273,7 @@
}
if ($this->debug > 2) $this->debug_message("schema_proc::GetTableDefintion: MetaIndexes(%1) = %2",False,$sTableName,$indexes);
if ($this->debug > 1) $this->debug_message("schema_proc::GetTableDefintion(%1) = %2",False,$sTableName,$definition);
return $definition;
}