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torrentpier-lts/library/Zend/Db/Metadata/Source/MysqlMetadata.php

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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Metadata\Source;
use Zend\Db\Adapter\Adapter;
class MysqlMetadata extends AbstractSource
{
protected function loadSchemaData()
{
if (isset($this->data['schemas'])) {
return;
}
$this->prepareDataHierarchy('schemas');
$p = $this->adapter->getPlatform();
$sql = 'SELECT ' . $p->quoteIdentifier('SCHEMA_NAME')
. ' FROM ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'SCHEMATA'))
. ' WHERE ' . $p->quoteIdentifier('SCHEMA_NAME')
. ' != \'INFORMATION_SCHEMA\'';
$results = $this->adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
$schemas = array();
foreach ($results->toArray() as $row) {
$schemas[] = $row['SCHEMA_NAME'];
}
$this->data['schemas'] = $schemas;
}
protected function loadTableNameData($schema)
{
if (isset($this->data['table_names'][$schema])) {
return;
}
$this->prepareDataHierarchy('table_names', $schema);
$p = $this->adapter->getPlatform();
$isColumns = array(
array('T', 'TABLE_NAME'),
array('T', 'TABLE_TYPE'),
array('V', 'VIEW_DEFINITION'),
array('V', 'CHECK_OPTION'),
array('V', 'IS_UPDATABLE'),
);
array_walk($isColumns, function (&$c) use ($p) { $c = $p->quoteIdentifierChain($c); });
$sql = 'SELECT ' . implode(', ', $isColumns)
. ' FROM ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TABLES')) . 'T'
. ' LEFT JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'VIEWS')) . ' V'
. ' ON ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('V', 'TABLE_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('V', 'TABLE_NAME'))
. ' WHERE ' . $p->quoteIdentifierChain(array('T', 'TABLE_TYPE'))
. ' IN (\'BASE TABLE\', \'VIEW\')';
if ($schema != self::DEFAULT_SCHEMA) {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteTrustedValue($schema);
} else {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' != \'INFORMATION_SCHEMA\'';
}
$results = $this->adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
$tables = array();
foreach ($results->toArray() as $row) {
$tables[$row['TABLE_NAME']] = array(
'table_type' => $row['TABLE_TYPE'],
'view_definition' => $row['VIEW_DEFINITION'],
'check_option' => $row['CHECK_OPTION'],
'is_updatable' => ('YES' == $row['IS_UPDATABLE']),
);
}
$this->data['table_names'][$schema] = $tables;
}
protected function loadColumnData($table, $schema)
{
if (isset($this->data['columns'][$schema][$table])) {
return;
}
$this->prepareDataHierarchy('columns', $schema, $table);
$p = $this->adapter->getPlatform();
$isColumns = array(
array('C', 'ORDINAL_POSITION'),
array('C', 'COLUMN_DEFAULT'),
array('C', 'IS_NULLABLE'),
array('C', 'DATA_TYPE'),
array('C', 'CHARACTER_MAXIMUM_LENGTH'),
array('C', 'CHARACTER_OCTET_LENGTH'),
array('C', 'NUMERIC_PRECISION'),
array('C', 'NUMERIC_SCALE'),
array('C', 'COLUMN_NAME'),
array('C', 'COLUMN_TYPE'),
);
array_walk($isColumns, function (&$c) use ($p) { $c = $p->quoteIdentifierChain($c); });
$sql = 'SELECT ' . implode(', ', $isColumns)
. ' FROM ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TABLES')) . 'T'
. ' INNER JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'COLUMNS')) . 'C'
. ' ON ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('C', 'TABLE_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('C', 'TABLE_NAME'))
. ' WHERE ' . $p->quoteIdentifierChain(array('T', 'TABLE_TYPE'))
. ' IN (\'BASE TABLE\', \'VIEW\')'
. ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_NAME'))
. ' = ' . $p->quoteTrustedValue($table);
if ($schema != self::DEFAULT_SCHEMA) {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteTrustedValue($schema);
} else {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' != \'INFORMATION_SCHEMA\'';
}
$results = $this->adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
$columns = array();
foreach ($results->toArray() as $row) {
$erratas = array();
$matches = array();
if (preg_match('/^(?:enum|set)\((.+)\)$/i', $row['COLUMN_TYPE'], $matches)) {
$permittedValues = $matches[1];
if (preg_match_all("/\\s*'((?:[^']++|'')*+)'\\s*(?:,|\$)/", $permittedValues, $matches, PREG_PATTERN_ORDER)) {
$permittedValues = str_replace("''", "'", $matches[1]);
} else {
$permittedValues = array($permittedValues);
}
$erratas['permitted_values'] = $permittedValues;
}
$columns[$row['COLUMN_NAME']] = array(
'ordinal_position' => $row['ORDINAL_POSITION'],
'column_default' => $row['COLUMN_DEFAULT'],
'is_nullable' => ('YES' == $row['IS_NULLABLE']),
'data_type' => $row['DATA_TYPE'],
'character_maximum_length' => $row['CHARACTER_MAXIMUM_LENGTH'],
'character_octet_length' => $row['CHARACTER_OCTET_LENGTH'],
'numeric_precision' => $row['NUMERIC_PRECISION'],
'numeric_scale' => $row['NUMERIC_SCALE'],
'numeric_unsigned' => (false !== strpos($row['COLUMN_TYPE'], 'unsigned')),
'erratas' => $erratas,
);
}
$this->data['columns'][$schema][$table] = $columns;
}
protected function loadConstraintData($table, $schema)
{
if (isset($this->data['constraints'][$schema][$table])) {
return;
}
$this->prepareDataHierarchy('constraints', $schema, $table);
$isColumns = array(
array('T', 'TABLE_NAME'),
array('TC', 'CONSTRAINT_NAME'),
array('TC', 'CONSTRAINT_TYPE'),
array('KCU', 'COLUMN_NAME'),
array('RC', 'MATCH_OPTION'),
array('RC', 'UPDATE_RULE'),
array('RC', 'DELETE_RULE'),
array('KCU', 'REFERENCED_TABLE_SCHEMA'),
array('KCU', 'REFERENCED_TABLE_NAME'),
array('KCU', 'REFERENCED_COLUMN_NAME'),
);
$p = $this->adapter->getPlatform();
array_walk($isColumns, function (&$c) use ($p) {
$c = $p->quoteIdentifierChain($c);
});
$sql = 'SELECT ' . implode(', ', $isColumns)
. ' FROM ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TABLES')) . ' T'
. ' INNER JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TABLE_CONSTRAINTS')) . ' TC'
. ' ON ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('TC', 'TABLE_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('TC', 'TABLE_NAME'))
. ' LEFT JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'KEY_COLUMN_USAGE')) . ' KCU'
. ' ON ' . $p->quoteIdentifierChain(array('TC', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('KCU', 'TABLE_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('TC', 'TABLE_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('KCU', 'TABLE_NAME'))
. ' AND ' . $p->quoteIdentifierChain(array('TC', 'CONSTRAINT_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('KCU', 'CONSTRAINT_NAME'))
. ' LEFT JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'REFERENTIAL_CONSTRAINTS')) . ' RC'
. ' ON ' . $p->quoteIdentifierChain(array('TC', 'CONSTRAINT_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('RC', 'CONSTRAINT_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('TC', 'CONSTRAINT_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('RC', 'CONSTRAINT_NAME'))
. ' WHERE ' . $p->quoteIdentifierChain(array('T', 'TABLE_NAME'))
. ' = ' . $p->quoteTrustedValue($table)
. ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_TYPE'))
. ' IN (\'BASE TABLE\', \'VIEW\')';
if ($schema != self::DEFAULT_SCHEMA) {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteTrustedValue($schema);
} else {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' != \'INFORMATION_SCHEMA\'';
}
$sql .= ' ORDER BY CASE ' . $p->quoteIdentifierChain(array('TC', 'CONSTRAINT_TYPE'))
. " WHEN 'PRIMARY KEY' THEN 1"
. " WHEN 'UNIQUE' THEN 2"
. " WHEN 'FOREIGN KEY' THEN 3"
. " ELSE 4 END"
. ', ' . $p->quoteIdentifierChain(array('TC', 'CONSTRAINT_NAME'))
. ', ' . $p->quoteIdentifierChain(array('KCU', 'ORDINAL_POSITION'));
$results = $this->adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
$realName = null;
$constraints = array();
foreach ($results->toArray() as $row) {
if ($row['CONSTRAINT_NAME'] !== $realName) {
$realName = $row['CONSTRAINT_NAME'];
$isFK = ('FOREIGN KEY' == $row['CONSTRAINT_TYPE']);
if ($isFK) {
$name = $realName;
} else {
$name = '_zf_' . $row['TABLE_NAME'] . '_' . $realName;
}
$constraints[$name] = array(
'constraint_name' => $name,
'constraint_type' => $row['CONSTRAINT_TYPE'],
'table_name' => $row['TABLE_NAME'],
'columns' => array(),
);
if ($isFK) {
$constraints[$name]['referenced_table_schema'] = $row['REFERENCED_TABLE_SCHEMA'];
$constraints[$name]['referenced_table_name'] = $row['REFERENCED_TABLE_NAME'];
$constraints[$name]['referenced_columns'] = array();
$constraints[$name]['match_option'] = $row['MATCH_OPTION'];
$constraints[$name]['update_rule'] = $row['UPDATE_RULE'];
$constraints[$name]['delete_rule'] = $row['DELETE_RULE'];
}
}
$constraints[$name]['columns'][] = $row['COLUMN_NAME'];
if ($isFK) {
$constraints[$name]['referenced_columns'][] = $row['REFERENCED_COLUMN_NAME'];
}
}
$this->data['constraints'][$schema][$table] = $constraints;
}
protected function loadConstraintDataNames($schema)
{
if (isset($this->data['constraint_names'][$schema])) {
return;
}
$this->prepareDataHierarchy('constraint_names', $schema);
$p = $this->adapter->getPlatform();
$isColumns = array(
array('TC', 'TABLE_NAME'),
array('TC', 'CONSTRAINT_NAME'),
array('TC', 'CONSTRAINT_TYPE'),
);
array_walk($isColumns, function (&$c) use ($p) {
$c = $p->quoteIdentifierChain($c);
});
$sql = 'SELECT ' . implode(', ', $isColumns)
. ' FROM ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TABLES')) . 'T'
. ' INNER JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TABLE_CONSTRAINTS')) . 'TC'
. ' ON ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('TC', 'TABLE_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('TC', 'TABLE_NAME'))
. ' WHERE ' . $p->quoteIdentifierChain(array('T', 'TABLE_TYPE'))
. ' IN (\'BASE TABLE\', \'VIEW\')';
if ($schema != self::DEFAULT_SCHEMA) {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteTrustedValue($schema);
} else {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' != \'INFORMATION_SCHEMA\'';
}
$results = $this->adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
$data = array();
foreach ($results->toArray() as $row) {
$data[] = array_change_key_case($row, CASE_LOWER);
}
$this->data['constraint_names'][$schema] = $data;
}
protected function loadConstraintDataKeys($schema)
{
if (isset($this->data['constraint_keys'][$schema])) {
return;
}
$this->prepareDataHierarchy('constraint_keys', $schema);
$p = $this->adapter->getPlatform();
$isColumns = array(
array('T', 'TABLE_NAME'),
array('KCU', 'CONSTRAINT_NAME'),
array('KCU', 'COLUMN_NAME'),
array('KCU', 'ORDINAL_POSITION'),
);
array_walk($isColumns, function (&$c) use ($p) {
$c = $p->quoteIdentifierChain($c);
});
$sql = 'SELECT ' . implode(', ', $isColumns)
. ' FROM ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TABLES')) . 'T'
. ' INNER JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'KEY_COLUMN_USAGE')) . 'KCU'
. ' ON ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('KCU', 'TABLE_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('KCU', 'TABLE_NAME'))
. ' WHERE ' . $p->quoteIdentifierChain(array('T', 'TABLE_TYPE'))
. ' IN (\'BASE TABLE\', \'VIEW\')';
if ($schema != self::DEFAULT_SCHEMA) {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteTrustedValue($schema);
} else {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' != \'INFORMATION_SCHEMA\'';
}
$results = $this->adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
$data = array();
foreach ($results->toArray() as $row) {
$data[] = array_change_key_case($row, CASE_LOWER);
}
$this->data['constraint_keys'][$schema] = $data;
}
protected function loadConstraintReferences($table, $schema)
{
parent::loadConstraintReferences($table, $schema);
$p = $this->adapter->getPlatform();
$isColumns = array(
array('RC', 'TABLE_NAME'),
array('RC', 'CONSTRAINT_NAME'),
array('RC', 'UPDATE_RULE'),
array('RC', 'DELETE_RULE'),
array('KCU', 'REFERENCED_TABLE_SCHEMA'),
array('KCU', 'REFERENCED_TABLE_NAME'),
array('KCU', 'REFERENCED_COLUMN_NAME'),
);
array_walk($isColumns, function (&$c) use ($p) {
$c = $p->quoteIdentifierChain($c);
});
$sql = 'SELECT ' . implode(', ', $isColumns)
. 'FROM ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TABLES')) . 'T'
. ' INNER JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'REFERENTIAL_CONSTRAINTS')) . 'RC'
. ' ON ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('RC', 'CONSTRAINT_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('RC', 'TABLE_NAME'))
. ' INNER JOIN ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'KEY_COLUMN_USAGE')) . 'KCU'
. ' ON ' . $p->quoteIdentifierChain(array('RC', 'CONSTRAINT_SCHEMA'))
. ' = ' . $p->quoteIdentifierChain(array('KCU', 'TABLE_SCHEMA'))
. ' AND ' . $p->quoteIdentifierChain(array('RC', 'TABLE_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('KCU', 'TABLE_NAME'))
. ' AND ' . $p->quoteIdentifierChain(array('RC', 'CONSTRAINT_NAME'))
. ' = ' . $p->quoteIdentifierChain(array('KCU', 'CONSTRAINT_NAME'))
. 'WHERE ' . $p->quoteIdentifierChain(array('T', 'TABLE_TYPE'))
. ' IN (\'BASE TABLE\', \'VIEW\')';
if ($schema != self::DEFAULT_SCHEMA) {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' = ' . $p->quoteTrustedValue($schema);
} else {
$sql .= ' AND ' . $p->quoteIdentifierChain(array('T', 'TABLE_SCHEMA'))
. ' != \'INFORMATION_SCHEMA\'';
}
$results = $this->adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
$data = array();
foreach ($results->toArray() as $row) {
$data[] = array_change_key_case($row, CASE_LOWER);
}
$this->data['constraint_references'][$schema] = $data;
}
protected function loadTriggerData($schema)
{
if (isset($this->data['triggers'][$schema])) {
return;
}
$this->prepareDataHierarchy('triggers', $schema);
$p = $this->adapter->getPlatform();
$isColumns = array(
// 'TRIGGER_CATALOG',
// 'TRIGGER_SCHEMA',
'TRIGGER_NAME',
'EVENT_MANIPULATION',
'EVENT_OBJECT_CATALOG',
'EVENT_OBJECT_SCHEMA',
'EVENT_OBJECT_TABLE',
'ACTION_ORDER',
'ACTION_CONDITION',
'ACTION_STATEMENT',
'ACTION_ORIENTATION',
'ACTION_TIMING',
'ACTION_REFERENCE_OLD_TABLE',
'ACTION_REFERENCE_NEW_TABLE',
'ACTION_REFERENCE_OLD_ROW',
'ACTION_REFERENCE_NEW_ROW',
'CREATED',
);
array_walk($isColumns, function (&$c) use ($p) {
$c = $p->quoteIdentifier($c);
});
$sql = 'SELECT ' . implode(', ', $isColumns)
. ' FROM ' . $p->quoteIdentifierChain(array('INFORMATION_SCHEMA', 'TRIGGERS'))
. ' WHERE ';
if ($schema != self::DEFAULT_SCHEMA) {
$sql .= $p->quoteIdentifier('TRIGGER_SCHEMA')
. ' = ' . $p->quoteTrustedValue($schema);
} else {
$sql .= $p->quoteIdentifier('TRIGGER_SCHEMA')
. ' != \'INFORMATION_SCHEMA\'';
}
$results = $this->adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
$data = array();
foreach ($results->toArray() as $row) {
$row = array_change_key_case($row, CASE_LOWER);
if (null !== $row['created']) {
$row['created'] = new \DateTime($row['created']);
}
$data[$row['trigger_name']] = $row;
}
$this->data['triggers'][$schema] = $data;
}
}
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