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<?php
declare(strict_types=1);
namespace PhpMyAdmin\Table;
use PhpMyAdmin\Charsets;
use PhpMyAdmin\ConfigStorage\Relation;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Partitioning\Partition;
use PhpMyAdmin\Partitioning\TablePartitionDefinition;
use PhpMyAdmin\Query\Compatibility;
use PhpMyAdmin\StorageEngine;
use PhpMyAdmin\Table;
use PhpMyAdmin\Transformations;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use function array_keys;
use function array_merge;
use function bin2hex;
use function count;
use function explode;
use function in_array;
use function intval;
use function is_array;
use function mb_strtoupper;
use function preg_quote;
use function preg_replace;
use function rtrim;
use function stripcslashes;
use function substr;
use function trim;
/**
* Displays the form used to define the structure of the table
*/
final class ColumnsDefinition
{
/**
* @param Transformations $transformations Transformations
* @param Relation $relation Relation
* @param DatabaseInterface $dbi Database Interface instance
* @param string $action Action
* @param int $num_fields The number of fields
* @param string|null $regenerate Use regeneration
* @param array|null $selected Selected
* @param array|null $fields_meta Fields meta
*
* @return array<string, mixed>
*/
public static function displayForm(
Transformations $transformations,
Relation $relation,
DatabaseInterface $dbi,
string $action,
$num_fields = 0,
$regenerate = null,
?array $selected = null,
$fields_meta = null
): array {
global $db, $table, $cfg, $col_priv, $is_reload_priv, $mime_map;
Util::checkParameters([
'server',
'db',
'table',
'action',
'num_fields',
]);
$length_values_input_size = 8;
$content_cells = [];
$form_params = ['db' => $db];
if ($action == Url::getFromRoute('/table/create')) {
$form_params['reload'] = 1;
} else {
if ($action == Url::getFromRoute('/table/add-field')) {
$form_params = array_merge(
$form_params,
[
'field_where' => Util::getValueByKey($_POST, 'field_where'),
]
);
if (isset($_POST['field_where'])) {
$form_params['after_field'] = $_POST['after_field'];
}
}
$form_params['table'] = $table;
}
$form_params['orig_num_fields'] = $num_fields;
$form_params = array_merge(
$form_params,
[
'orig_field_where' => Util::getValueByKey($_POST, 'field_where'),
'orig_after_field' => Util::getValueByKey($_POST, 'after_field'),
]
);
if (is_array($selected)) {
foreach ($selected as $o_fld_nr => $o_fld_val) {
$form_params['selected[' . $o_fld_nr . ']'] = $o_fld_val;
}
}
$is_backup = ($action != Url::getFromRoute('/table/create')
&& $action != Url::getFromRoute('/table/add-field'));
$relationParameters = $relation->getRelationParameters();
$comments_map = $relation->getComments($db, $table);
$move_columns = [];
if (isset($fields_meta)) {
$move_columns = $dbi->getTable($db, $table)->getColumnsMeta();
}
$available_mime = [];
if ($relationParameters->browserTransformationFeature !== null && $cfg['BrowseMIME']) {
$mime_map = $transformations->getMime($db, $table);
$available_mime = $transformations->getAvailableMimeTypes();
}
$mime_types = [
'input_transformation',
'transformation',
];
foreach ($mime_types as $mime_type) {
if (! isset($available_mime[$mime_type]) || ! is_array($available_mime[$mime_type])) {
continue;
}
foreach (array_keys($available_mime[$mime_type]) as $mimekey) {
$available_mime[$mime_type . '_file_quoted'][$mimekey] = preg_quote(
$available_mime[$mime_type . '_file'][$mimekey],
'@'
);
}
}
if (isset($_POST['submit_num_fields']) || isset($_POST['submit_partition_change'])) {
//if adding new fields, set regenerate to keep the original values
$regenerate = 1;
}
$foreigners = $relation->getForeigners($db, $table, '', 'foreign');
$child_references = null;
// From MySQL 5.6.6 onwards columns with foreign keys can be renamed.
// Hence, no need to get child references
if ($dbi->getVersion() < 50606) {
$child_references = $relation->getChildReferences($db, $table);
}
for ($columnNumber = 0; $columnNumber < $num_fields; $columnNumber++) {
$type = '';
$length = '';
$columnMeta = [];
$submit_attribute = null;
$extracted_columnspec = [];
if (! empty($regenerate)) {
$columnMeta = array_merge(
$columnMeta,
[
'Field' => Util::getValueByKey(
$_POST,
"field_name.${columnNumber}",
null
),
'Type' => Util::getValueByKey(
$_POST,
"field_type.${columnNumber}",
null
),
'Collation' => Util::getValueByKey(
$_POST,
"field_collation.${columnNumber}",
''
),
'Null' => Util::getValueByKey(
$_POST,
"field_null.${columnNumber}",
''
),
'DefaultType' => Util::getValueByKey(
$_POST,
"field_default_type.${columnNumber}",
'NONE'
),
'DefaultValue' => Util::getValueByKey(
$_POST,
"field_default_value.${columnNumber}",
''
),
'Extra' => Util::getValueByKey(
$_POST,
"field_extra.${columnNumber}",
null
),
'Virtuality' => Util::getValueByKey(
$_POST,
"field_virtuality.${columnNumber}",
''
),
'Expression' => Util::getValueByKey(
$_POST,
"field_expression.${columnNumber}",
''
),
]
);
$columnMeta['Key'] = '';
$parts = explode(
'_',
Util::getValueByKey($_POST, "field_key.${columnNumber}", ''),
2
);
if (count($parts) === 2 && $parts[1] == $columnNumber) {
$columnMeta['Key'] = Util::getValueByKey(
[
'primary' => 'PRI',
'index' => 'MUL',
'unique' => 'UNI',
'fulltext' => 'FULLTEXT',
'spatial' => 'SPATIAL',
],
$parts[0],
''
);
}
$columnMeta['Comment'] = false;
switch ($columnMeta['DefaultType']) {
case 'NONE':
$columnMeta['Default'] = null;
break;
case 'USER_DEFINED':
$columnMeta['Default'] = $columnMeta['DefaultValue'];
break;
case 'NULL':
case 'CURRENT_TIMESTAMP':
case 'current_timestamp()':
$columnMeta['Default'] = $columnMeta['DefaultType'];
break;
}
$length = Util::getValueByKey($_POST, "field_length.${columnNumber}", $length);
$submit_attribute = Util::getValueByKey($_POST, "field_attribute.${columnNumber}", false);
$comments_map[$columnMeta['Field']] = Util::getValueByKey($_POST, "field_comments.${columnNumber}");
$mime_map[$columnMeta['Field']] = array_merge(
$mime_map[$columnMeta['Field']] ?? [],
[
'mimetype' => Util::getValueByKey($_POST, "field_mimetype.${columnNumber}"),
'transformation' => Util::getValueByKey(
$_POST,
"field_transformation.${columnNumber}"
),
'transformation_options' => Util::getValueByKey(
$_POST,
"field_transformation_options.${columnNumber}"
),
]
);
} elseif (isset($fields_meta[$columnNumber])) {
$columnMeta = $fields_meta[$columnNumber];
$virtual = [
'VIRTUAL',
'PERSISTENT',
'VIRTUAL GENERATED',
'STORED GENERATED',
];
if (in_array($columnMeta['Extra'], $virtual)) {
$tableObj = new Table($table, $db);
$expressions = $tableObj->getColumnGenerationExpression($columnMeta['Field']);
$columnMeta['Expression'] = is_array($expressions) ? $expressions[$columnMeta['Field']] : null;
}
switch ($columnMeta['Default']) {
case null:
if ($columnMeta['Default'] === null) {
if ($columnMeta['Null'] === 'YES') {
$columnMeta['DefaultType'] = 'NULL';
$columnMeta['DefaultValue'] = '';
} else {
$columnMeta['DefaultType'] = 'NONE';
$columnMeta['DefaultValue'] = '';
}
} else { // empty
$columnMeta['DefaultType'] = 'USER_DEFINED';
$columnMeta['DefaultValue'] = $columnMeta['Default'];
}
break;
case 'CURRENT_TIMESTAMP':
case 'current_timestamp()':
$columnMeta['DefaultType'] = 'CURRENT_TIMESTAMP';
$columnMeta['DefaultValue'] = '';
break;
default:
$columnMeta['DefaultType'] = 'USER_DEFINED';
$columnMeta['DefaultValue'] = $columnMeta['Default'];
if (substr($columnMeta['Type'], -4) === 'text') {
$textDefault = substr($columnMeta['Default'], 1, -1);
$columnMeta['Default'] = stripcslashes($textDefault);
}
break;
}
}
if (isset($columnMeta['Type'])) {
$extracted_columnspec = Util::extractColumnSpec($columnMeta['Type']);
if ($extracted_columnspec['type'] === 'bit') {
$columnMeta['Default'] = Util::convertBitDefaultValue($columnMeta['Default']);
}
$type = $extracted_columnspec['type'];
if ($length == '') {
$length = $extracted_columnspec['spec_in_brackets'];
}
} else {
// creating a column
$columnMeta['Type'] = '';
}
// Variable tell if current column is bound in a foreign key constraint or not.
// MySQL version from 5.6.6 allow renaming columns with foreign keys
if (isset($columnMeta['Field'], $form_params['table']) && $dbi->getVersion() < 50606) {
$columnMeta['column_status'] = $relation->checkChildForeignReferences(
$form_params['db'],
$form_params['table'],
$columnMeta['Field'],
$foreigners,
$child_references
);
}
// some types, for example longtext, are reported as
// "longtext character set latin7" when their charset and / or collation
// differs from the ones of the corresponding database.
// rtrim the type, for cases like "float unsigned"
$type = rtrim(
preg_replace('/[\s]character set[\s][\S]+/', '', $type)
);
/**
* old column attributes
*/
if ($is_backup) {
// old column name
if (isset($columnMeta['Field'])) {
$form_params['field_orig[' . $columnNumber . ']'] = $columnMeta['Field'];
if (isset($columnMeta['column_status']) && ! $columnMeta['column_status']['isEditable']) {
$form_params['field_name[' . $columnNumber . ']'] = $columnMeta['Field'];
}
} else {
$form_params['field_orig[' . $columnNumber . ']'] = '';
}
// old column type
if (isset($columnMeta['Type'])) {
// keep in uppercase because the new type will be in uppercase
$form_params['field_type_orig[' . $columnNumber . ']'] = mb_strtoupper($type);
if (isset($columnMeta['column_status']) && ! $columnMeta['column_status']['isEditable']) {
$form_params['field_type[' . $columnNumber . ']'] = mb_strtoupper($type);
}
} else {
$form_params['field_type_orig[' . $columnNumber . ']'] = '';
}
// old column length
$form_params['field_length_orig[' . $columnNumber . ']'] = $length;
// old column default
$form_params = array_merge(
$form_params,
[
"field_default_value_orig[${columnNumber}]" => Util::getValueByKey(
$columnMeta,
'Default',
''
),
"field_default_type_orig[${columnNumber}]" => Util::getValueByKey(
$columnMeta,
'DefaultType',
''
),
"field_collation_orig[${columnNumber}]" => Util::getValueByKey(
$columnMeta,
'Collation',
''
),
"field_attribute_orig[${columnNumber}]" => trim(
Util::getValueByKey($extracted_columnspec, 'attribute', '')
),
"field_null_orig[${columnNumber}]" => Util::getValueByKey(
$columnMeta,
'Null',
''
),
"field_extra_orig[${columnNumber}]" => Util::getValueByKey(
$columnMeta,
'Extra',
''
),
"field_comments_orig[${columnNumber}]" => Util::getValueByKey(
$columnMeta,
'Comment',
''
),
"field_virtuality_orig[${columnNumber}]" => Util::getValueByKey(
$columnMeta,
'Virtuality',
''
),
"field_expression_orig[${columnNumber}]" => Util::getValueByKey(
$columnMeta,
'Expression',
''
),
]
);
}
$default_value = '';
$type_upper = mb_strtoupper($type);
// For a TIMESTAMP, do not show the string "CURRENT_TIMESTAMP" as a default value
if (isset($columnMeta['DefaultValue'])) {
$default_value = $columnMeta['DefaultValue'];
}
if ($type_upper === 'BIT') {
$default_value = Util::convertBitDefaultValue($columnMeta['DefaultValue']);
} elseif ($type_upper === 'BINARY' || $type_upper === 'VARBINARY') {
$default_value = bin2hex($columnMeta['DefaultValue']);
}
$content_cells[$columnNumber] = [
'column_number' => $columnNumber,
'column_meta' => $columnMeta,
'type_upper' => $type_upper,
'default_value' => $default_value,
'length_values_input_size' => $length_values_input_size,
'length' => $length,
'extracted_columnspec' => $extracted_columnspec,
'submit_attribute' => $submit_attribute,
'comments_map' => $comments_map,
'fields_meta' => $fields_meta ?? null,
'is_backup' => $is_backup,
'move_columns' => $move_columns,
'available_mime' => $available_mime,
'mime_map' => $mime_map ?? [],
];
}
$partitionDetails = TablePartitionDefinition::getDetails();
$charsets = Charsets::getCharsets($dbi, $cfg['Server']['DisableIS']);
$collations = Charsets::getCollations($dbi, $cfg['Server']['DisableIS']);
$charsetsList = [];
foreach ($charsets as $charset) {
$collationsList = [];
foreach ($collations[$charset->getName()] as $collation) {
$collationsList[] = [
'name' => $collation->getName(),
'description' => $collation->getDescription(),
];
}
$charsetsList[] = [
'name' => $charset->getName(),
'description' => $charset->getDescription(),
'collations' => $collationsList,
];
}
$storageEngines = StorageEngine::getArray();
$isIntegersLengthRestricted = Compatibility::isIntegersLengthRestricted($dbi);
return [
'is_backup' => $is_backup,
'fields_meta' => $fields_meta ?? null,
'relation_parameters' => $relationParameters,
'action' => $action,
'form_params' => $form_params,
'content_cells' => $content_cells,
'partition_details' => $partitionDetails,
'primary_indexes' => $_POST['primary_indexes'] ?? null,
'unique_indexes' => $_POST['unique_indexes'] ?? null,
'indexes' => $_POST['indexes'] ?? null,
'fulltext_indexes' => $_POST['fulltext_indexes'] ?? null,
'spatial_indexes' => $_POST['spatial_indexes'] ?? null,
'table' => $_POST['table'] ?? null,
'comment' => $_POST['comment'] ?? null,
'tbl_collation' => $_POST['tbl_collation'] ?? null,
'charsets' => $charsetsList,
'tbl_storage_engine' => $_POST['tbl_storage_engine'] ?? null,
'storage_engines' => $storageEngines,
'connection' => $_POST['connection'] ?? null,
'change_column' => $_POST['change_column'] ?? $_GET['change_column'] ?? null,
'is_virtual_columns_supported' => Compatibility::isVirtualColumnsSupported($dbi->getVersion()),
'is_integers_length_restricted' => $isIntegersLengthRestricted,
'browse_mime' => $cfg['BrowseMIME'] ?? null,
'supports_stored_keyword' => Compatibility::supportsStoredKeywordForVirtualColumns($dbi->getVersion()),
'server_version' => $dbi->getVersion(),
'max_rows' => intval($cfg['MaxRows']),
'char_editing' => $cfg['CharEditing'] ?? null,
'attribute_types' => $dbi->types->getAttributes(),
'privs_available' => ($col_priv ?? false) && ($is_reload_priv ?? false),
'max_length' => $dbi->getVersion() >= 50503 ? 1024 : 255,
'have_partitioning' => Partition::havePartitioning(),
'dbi' => $dbi,
'disable_is' => $cfg['Server']['DisableIS'],
];
}
}
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