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* Backup: backup ascii columns as such, allways check and if necessary fix indexes on restore

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This commit is contained in:
Ralf Becker 2015-08-26 12:50:56 +00:00
parent dc696455cc
commit 81fe3b0472
2 changed files with 58 additions and 7 deletions
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4
phpgwapi/inc/class.db_backup.inc.php
View File

@ -688,6 +688,10 @@ class db_backup
}
}
}
// check if backup contained all indexes and create missing ones
$this->schema_proc->CheckCreateIndexes();
return $n;
}

61
phpgwapi/inc/class.schema_proc.inc.php
View File

@ -149,16 +149,18 @@ class schema_proc
/**
* 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 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)
* @param boolean $ignore_length_limit =false should we take lenght-limits of indexes into account or not
* @return boolean true if index over $columns exist in the $indexes array
*/
function _in_index($columns,$indexs)
function _in_index($columns, $indexs, $ignore_length_limit=false)
{
if (is_array($columns))
{
unset($columns['options']);
$columns = implode('-',$columns);
if ($ignore_length_limit) $columns = preg_replace('/\(\d+\)/', '', $columns);
}
foreach($indexs as $index)
{
@ -167,6 +169,7 @@ class schema_proc
unset($index['options']);
$index = implode('-',$index);
}
if ($ignore_length_limit) $index = preg_replace('/\(\d+\)/', '', $index);
if ($columns == $index) return true;
}
return false;
@ -549,13 +552,13 @@ class schema_proc
$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);
return $this->ExecuteSQLArray($aSql,2,'CreateIndexSQL(%1,%2,%3,%4) sql=%5',False,$sTableName,$aColumnNames,$options,$sIdxName,$aSql);
}
/**
* Drop an Index
*
* @param string $sTablename table-name
* @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
*/
@ -1246,7 +1249,9 @@ class schema_proc
}
break;
case 'C': case 'C2':
$definition['fd'][$name]['type'] = 'varchar';
// ascii columns are reported as varchar
$definition['fd'][$name]['type'] = $this->m_odb->get_column_attribute($name, $sTableName, true, 'type') === 'ascii' ?
'ascii' : 'varchar';
$definition['fd'][$name]['precision'] = $column->max_length;
break;
case 'B':
@ -1368,7 +1373,7 @@ class schema_proc
if (method_exists($this->dict,'MetaIndexes') &&
is_array($indexes = $this->dict->MetaIndexes($sTableName)) && count($indexes))
{
foreach($indexes as $index_name => $index)
foreach($indexes as $index)
{
if($this->capabilities['name_case'] == 'upper')
{
@ -1381,13 +1386,55 @@ class schema_proc
}
$kind = $index['unique'] ? 'uc' : 'ix';
$definition[$kind][$index_name] = count($index['columns']) > 1 ? $index['columns'] : $index['columns'][0];
$definition[$kind][] = 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 $definition;
}
/**
* Check if all indexes exist and create them if not
*
* Does not check index-type of length!
*/
function CheckCreateIndexes()
{
foreach($this->adodb->MetaTables('TABLES') as $table)
{
if (!($table_def = $this->m_odb->get_table_definitions(true, $table))) continue;
$definition = array();
$this->GetIndexes($table, $definition);
// iterate though indexes we should have according to tables_current
foreach(array('uc', 'ix') as $type)
{
foreach($table_def[$type] as $columns)
{
// sometimes primary key is listed as (unique) index too --> ignore it
if ($this->_in_index($columns, array($table_def['pk']), true)) continue;
// check if they exist in real table and create them if not
if (!$this->_in_index($columns, $definition[$type]) &&
// sometimes index is listed as unique index too --> ignore that
($type == 'uc' || !$this->_in_index($columns, $definition['uc'], true)))
{
// check if index may exists, but without limit in column-name
if ($this->_in_index($columns, $definition[$type], true))
{
// for PostgreSQL we dont use length-limited indexes --> nothing to do
if ($this->m_odb->Type == 'pgsql') continue;
// for MySQL we drop current index and create it with correct length
$this->DropIndex($table, $definition);
}
$this->CreateIndex($table, $columns, $type == 'uc');
}
}
}
}
}
/**
* Get actual columnnames as a comma-separated string in $sColumns and set indices as class-vars pk,fk,ix,uc
*