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added support for introspecting oracle schema

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git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@6417 3807eeeb-6ff5-0310-8944-8be069107fe0
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phishy 2008-01-29 14:25:48 +00:00
parent 9ddbd992e9
commit 97cae1c208
1 changed files with 93 additions and 1 deletions
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94
cake/libs/model/datasources/dbo/dbo_oracle.php
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@ -397,7 +397,7 @@ class DboOracle extends DboSource {
$sources = array();
while($r = $this->fetchRow()) {
$sources[] = $r[0]['name'];
$sources[] = strtolower($r[0]['name']);
}
parent::listSources($sources);
return $sources;
@ -430,6 +430,98 @@ class DboOracle extends DboSource {
$this->__cacheDescription($this->fullTableName($model, false), $fields);
return $fields;
}
/**
* Returns an array of the indexes in given table name.
*
* @param string $model Name of model to inspect
* @return array Fields in table. Keys are column and unique
*/
function index($model) {
$index = array();
$table = $this->fullTableName($model, false);
if($table) {
$indexes = $this->query('SELECT
cc.table_name,
cc.column_name,
cc.constraint_name,
c.constraint_type,
i.index_name,
i.uniqueness
FROM user_cons_columns cc
LEFT JOIN user_indexes i ON(cc.constraint_name = i.index_name)
LEFT JOIN user_constraints c ON(c.constraint_name = cc.constraint_name)
WHERE cc.table_name = \'' . strtoupper($table) .'\'');
foreach ($indexes as $i => $idx) {
if ($idx['c']['constraint_type'] == 'P') {
$key = 'PRIMARY';
} else {
continue;
}
if(!isset($index[$key])) {
$index[$key]['column'] = strtolower($idx['cc']['column_name']);
$index[$key]['unique'] = ife($idx['i']['uniqueness'] == 'UNIQUE', 1, 0);
} else {
if(!is_array($index[$key]['column'])) {
$col[] = $index[$key]['column'];
}
$col[] = strtolower($idx['cc']['column_name']);
$index[$key]['column'] = $col;
}
}
}
return $index;
}
/**
* Generate a Oracle Alter Table syntax for the given Schema comparison
*
* @param unknown_type $schema
* @return unknown
*/
function alterSchema($compare, $table = null) {
if(!is_array($compare)) {
return false;
}
$out = '';
$colList = array();
foreach($compare as $curTable => $types) {
if (!$table || $table == $curTable) {
$out .= 'ALTER TABLE ' . $this->fullTableName($curTable) . " \n";
foreach($types as $type => $column) {
switch($type) {
case 'add':
foreach($column as $field => $col) {
$col['name'] = $field;
$alter = 'ADD '.$this->buildColumn($col);
if(isset($col['after'])) {
$alter .= ' AFTER '. $this->name($col['after']);
}
$colList[] = $alter;
}
break;
case 'drop':
foreach($column as $field => $col) {
$col['name'] = $field;
$colList[] = 'DROP '.$this->name($field);
}
break;
case 'change':
foreach($column as $field => $col) {
if(!isset($col['name'])) {
$col['name'] = $field;
}
$colList[] = 'CHANGE '. $this->name($field).' '.$this->buildColumn($col);
}
break;
}
}
$out .= "\t" . join(",\n\t", $colList) . ";\n\n";
}
}
return $out;
}
/**
* This method should quote Oracle identifiers. Well it doesn't.
* It would break all scaffolding and all of Cake's default assumptions.