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tbl_structure.php
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Displays table structure infos like fields/columns, indexes, size, rows
* and allows manipulation of indexes and columns/fields
*
* @package PhpMyAdmin
*/
/**
*
*/
require_once 'libraries/common.inc.php';
require_once 'libraries/mysql_charsets.lib.php';
/**
* Function implementations for this script
*/
require_once 'libraries/structure.lib.php';
$response = PMA_Response::getInstance();
$header = $response->getHeader();
$scripts = $header->getScripts();
$scripts->addFile('tbl_structure.js');
$scripts->addFile('indexes.js');
/**
* Handle column moving
*/
if (isset($_REQUEST['move_columns'])
&& is_array($_REQUEST['move_columns'])
&& $response->isAjax()
) {
PMA_moveColumns($db, $table);
exit;
}
/**
* A click on Change has been made for one column
*/
if (isset($_REQUEST['change_column'])) {
PMA_displayHtmlForColumnChange($db, $table, null, 'tbl_structure.php');
exit;
}
/**
* Modifications have been submitted -> updates the table
*/
if (isset($_REQUEST['do_save_data'])) {
$regenerate = PMA_updateColumns($db, $table);
if ($regenerate) {
// @todo: find in which situation this happens, then
// do something appropriate
} else {
// continue to show the table's structure
unset($_REQUEST['selected']);
unset($_REQUEST['true_selected']);
}
}
/**
* handle multiple field commands if required
*
* submit_mult_*_x comes from IE if <input type="img" ...> is used
*/
if (isset($_REQUEST['submit_mult_change_x'])) {
$submit_mult = 'change';
} elseif (isset($_REQUEST['submit_mult_drop_x'])) {
$submit_mult = 'drop';
} elseif (isset($_REQUEST['submit_mult_primary_x'])) {
$submit_mult = 'primary';
} elseif (isset($_REQUEST['submit_mult_index_x'])) {
$submit_mult = 'index';
} elseif (isset($_REQUEST['submit_mult_unique_x'])) {
$submit_mult = 'unique';
} elseif (isset($_REQUEST['submit_mult_spatial_x'])) {
$submit_mult = 'spatial';
} elseif (isset($_REQUEST['submit_mult_fulltext_x'])) {
$submit_mult = 'ftext';
} elseif (isset($_REQUEST['submit_mult_browse_x'])) {
$submit_mult = 'browse';
} elseif (isset($_REQUEST['submit_mult'])) {
$submit_mult = $_REQUEST['submit_mult'];
} elseif (isset($_REQUEST['mult_btn']) && $_REQUEST['mult_btn'] == __('Yes')) {
$submit_mult = 'row_delete';
if (isset($_REQUEST['selected'])) {
$_REQUEST['selected_fld'] = $_REQUEST['selected'];
}
}
if (! empty($submit_mult) && isset($_REQUEST['selected_fld'])) {
$err_url = 'tbl_structure.php?' . PMA_generate_common_url($db, $table);
if ($submit_mult == 'browse') {
// browsing the table displaying only selected fields/columns
$GLOBALS['active_page'] = 'sql.php';
$sql_query = '';
foreach ($_REQUEST['selected_fld'] as $idx => $sval) {
if ($sql_query == '') {
$sql_query .= 'SELECT ' . PMA_Util::backquote($sval);
} else {
$sql_query .= ', ' . PMA_Util::backquote($sval);
}
}
$sql_query .= ' FROM ' . PMA_Util::backquote($db)
. '.' . PMA_Util::backquote($table);
include 'sql.php';
exit;
} else {
// handle multiple field commands
// handle confirmation of deleting multiple fields/columns
$action = 'tbl_structure.php';
include 'libraries/mult_submits.inc.php';
/**
* if $submit_mult == 'change', execution will have stopped
* at this point
*/
if (empty($message)) {
$message = PMA_Message::success();
}
}
}
/**
* Gets the relation settings
*/
$cfgRelation = PMA_getRelationsParam();
/**
* Runs common work
*/
require_once 'libraries/tbl_common.inc.php';
$url_query .= '&goto=tbl_structure.php&back=tbl_structure.php';
$url_params['goto'] = 'tbl_structure.php';
$url_params['back'] = 'tbl_structure.php';
// Check column names for MySQL reserved words
$pma_table = new PMA_Table($table, $db);
$columns = $pma_table->getReservedColumnNames();
if (! empty($columns)) {
foreach ($columns as $column) {
$msg = PMA_message::notice(
__('The column name \'%s\' is a MySQL reserved keyword.')
);
$msg->addParam($column);
$response->addHTML($msg);
}
}
/**
* Prepares the table structure display
*/
/**
* Gets tables informations
*/
require_once 'libraries/tbl_info.inc.php';
require_once 'libraries/Index.class.php';
// 2. Gets table keys and retains them
// @todo should be: $server->db($db)->table($table)->primary()
$primary = PMA_Index::getPrimary($table, $db);
$columns_with_unique_index = array();
foreach (PMA_Index::getFromTable($table, $db) as $index) {
if ($index->isUnique() && $index->getChoice() == 'UNIQUE') {
$columns = $index->getColumns();
foreach ($columns as $column_name => $dummy) {
$columns_with_unique_index[$column_name] = 1;
}
}
}
unset($index, $columns, $column_name, $dummy);
// 3. Get fields
$fields = (array) PMA_DBI_get_columns($db, $table, null, true);
// Get more complete field information
// For now, this is done just for MySQL 4.1.2+ new TIMESTAMP options
// but later, if the analyser returns more information, it
// could be executed for any MySQL version and replace
// the info given by SHOW FULL COLUMNS FROM.
//
// We also need this to correctly learn if a TIMESTAMP is NOT NULL, since
// SHOW FULL COLUMNS or INFORMATION_SCHEMA incorrectly says NULL
// and SHOW CREATE TABLE says NOT NULL (tested
// in MySQL 4.0.25 and 5.0.21, http://bugs.mysql.com/20910).
$show_create_table = PMA_DBI_fetch_value(
'SHOW CREATE TABLE ' . PMA_Util::backquote($db) . '.'
. PMA_Util::backquote($table),
0, 1
);
$analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
/**
* prepare table infos
*/
// action titles (image or string)
$titles = PMA_getActionTitlesArray();
// hidden action titles (image and string)
$hidden_titles = PMA_getHiddenTitlesArray();
/**
* Displays the table structure ('show table' works correct since 3.23.03)
*/
/* TABLE INFORMATION */
// table header
$HideStructureActions = '';
if ($GLOBALS['cfg']['PropertiesIconic'] !== true
&& $GLOBALS['cfg']['HideStructureActions'] === true
) {
$HideStructureActions .= ' HideStructureActions';
}
$html_form = '<form method="post" action="tbl_structure.php" name="fieldsForm" '
. 'id="fieldsForm" class="ajax' . $HideStructureActions . '">';
$response->addHTML($html_form);
$response->addHTML(PMA_generate_common_hidden_inputs($db, $table));
$tabletype = '<input type="hidden" name="table_type" value=';
if ($db_is_information_schema) {
$tabletype .= '"information_schema" />';
} else if ($tbl_is_view) {
$tabletype .= '"view" />';
} else {
$tabletype .= '"table" />';
}
$response->addHTML($tabletype);
$tablestructure = '<table id="tablestructure" class="data">';
$response->addHTML($tablestructure);
$response->addHTML(
PMA_getHtmlForTableStructureHeader(
$db_is_information_schema,
$tbl_is_view
)
);
$response->addHTML('<tbody>');
// table body
// prepare comments
$comments_map = array();
$mime_map = array();
if ($GLOBALS['cfg']['ShowPropertyComments']) {
include_once 'libraries/transformations.lib.php';
$comments_map = PMA_getComments($db, $table);
if ($cfgRelation['mimework'] && $cfg['BrowseMIME']) {
$mime_map = PMA_getMIME($db, $table, true);
}
}
$rownum = 0;
$columns_list = array();
$save_row = array();
$odd_row = true;
foreach ($fields as $row) {
$save_row[] = $row;
$rownum++;
$columns_list[] = $row['Field'];
$type = $row['Type'];
$extracted_columnspec = PMA_Util::extractColumnSpec($row['Type']);
if ('set' == $extracted_columnspec['type']
|| 'enum' == $extracted_columnspec['type']
) {
$type_nowrap = '';
} else {
$type_nowrap = ' class="nowrap"';
}
$type = $extracted_columnspec['print_type'];
if (empty($type)) {
$type = ' ';
}
$field_charset = '';
if ($extracted_columnspec['can_contain_collation']
&& ! empty($row['Collation'])
) {
$field_charset = $row['Collation'];
}
// Display basic mimetype [MIME]
if ($cfgRelation['commwork']
&& $cfgRelation['mimework']
&& $cfg['BrowseMIME']
&& isset($mime_map[$row['Field']]['mimetype'])
) {
$type_mime = '<br />MIME: '
. str_replace('_', '/', $mime_map[$row['Field']]['mimetype']);
} else {
$type_mime = '';
}
$attribute = $extracted_columnspec['attribute'];
// prepare a common variable to reuse below; however,
// in case of a VIEW, $analyzed_sql[0]['create_table_fields'] is empty
if (isset($analyzed_sql[0]['create_table_fields'][$row['Field']])) {
$tempField = $analyzed_sql[0]['create_table_fields'][$row['Field']];
} else {
$tempField = array();
}
// MySQL 4.1.2+ TIMESTAMP options
// (if on_update_current_timestamp is set, then it's TRUE)
if (isset($tempField['on_update_current_timestamp'])) {
$attribute = 'on update CURRENT_TIMESTAMP';
}
// here, we have a TIMESTAMP that SHOW FULL COLUMNS reports as having the
// NULL attribute, but SHOW CREATE TABLE says the contrary. Believe
// the latter.
if (! empty($tempField['type'])
&& $tempField['type'] == 'TIMESTAMP'
&& $tempField['timestamp_not_null']
) {
$row['Null'] = '';
}
if (! isset($row['Default'])) {
if ($row['Null'] == 'YES') {
$row['Default'] = '<i>NULL</i>';
}
} else {
$row['Default'] = htmlspecialchars($row['Default']);
}
$field_encoded = urlencode($row['Field']);
$field_name = htmlspecialchars($row['Field']);
$displayed_field_name = $field_name;
// underline commented fields and display a hover-title (CSS only)
if (isset($comments_map[$row['Field']])) {
$displayed_field_name = '<span class="commented_column" title="'
. htmlspecialchars($comments_map[$row['Field']]) . '">'
. $field_name . '</span>';
}
if ($primary && $primary->hasColumn($field_name)) {
$displayed_field_name = '<u>' . $field_name . '</u>';
}
$response->addHTML(
'<tr class="' . ($odd_row ? 'odd': 'even') . '">'
);
$odd_row = !$odd_row;
$response->addHTML(
PMA_getHtmlTableStructureRow(
$row, $rownum, $displayed_field_name,
$type_nowrap, $extracted_columnspec, $type_mime,
$field_charset, $attribute, $tbl_is_view,
$db_is_information_schema, $url_query, $field_encoded, $titles, $table
)
);
if (! $tbl_is_view && ! $db_is_information_schema) {
$response->addHTML(
PMA_getHtmlForActionsInTableStructure(
$type, $tbl_storage_engine, $primary,
$field_name, $url_query, $titles, $row, $rownum,
$hidden_titles, $columns_with_unique_index
)
);
} // end if (! $tbl_is_view && ! $db_is_information_schema)
$response->addHTML('</tr>');
unset($field_charset);
} // end foreach
$response->addHTML('</tbody></table>');
$response->addHTML(
PMA_getHtmlForCheckAllTableColumn(
$pmaThemeImage, $text_dir, $tbl_is_view,
$db_is_information_schema, $tbl_storage_engine
)
);
$response->addHTML(
'</form><hr />'
);
$response->addHTML(
PMA_getHtmlDivForMoveColumnsDialog()
);
/**
* Work on the table
*/
if ($tbl_is_view) {
$response->addHTML(PMA_getHtmlForEditView($url_params));
}
$response->addHTML(
PMA_getHtmlForOptionalActionLinks(
$url_query, $tbl_is_view, $db_is_information_schema,
$tbl_storage_engine, $cfgRelation
)
);
if (! $tbl_is_view && ! $db_is_information_schema) {
$response->addHTML('<br />');
$response->addHTML(PMA_getHtmlForAddColumn($columns_list));
$response->addHTML(
'<div id="index_div" class="ajax" >'
);
}
/**
* Displays indexes
*/
if (! $tbl_is_view
&& ! $db_is_information_schema
&& 'ARCHIVE' != $tbl_storage_engine
) {
$response->addHTML(PMA_getHtmlForDisplayIndexes());
}
/**
* Displays Space usage and row statistics
*/
// BEGIN - Calc Table Space
// Get valid statistics whatever is the table type
if ($cfg['ShowStats']) {
$response->addHTML(
PMA_getHtmlForDisplayTableStats(
$showtable, $table_info_num_rows, $tbl_is_view,
$db_is_information_schema, $tbl_storage_engine,
$url_query, $tbl_collation
)
);
}
// END - Calc Table Space
$response->addHTML(
'<div class="clearfloat"></div>'
);
?>