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patch #2356575 [display] Sortable database columns

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This commit is contained in:
Marc Delisle
2008-12-15 17:27:43 +00:00
parent 398feb40fd
commit ec4549f994
4 changed files with 155 additions and 19 deletions
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65
libraries/database_interface.lib.php
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@@ -241,10 +241,12 @@ function PMA_usort_comparison_callback($a, $b)
* @param resource $link mysql link
* @param integer $limit_offset zero-based offset for the count
* @param boolean|integer $limit_count number of tables to return
* @param string $sort_by table attribute to sort by
* @param string $sort_order direction to sort (ASC or DESC)
* @return array list of tables in given db(s)
*/
function PMA_DBI_get_tables_full($database, $table = false,
$tbl_is_group = false, $link = null, $limit_offset = 0, $limit_count = false)
function PMA_DBI_get_tables_full($database, $table = false, $tbl_is_group = false, $link = null,
$limit_offset = 0, $limit_count = false, $sort_by = 'Name', $sort_order = 'ASC')
{
require_once './libraries/Table.class.php';
@@ -311,9 +313,37 @@ function PMA_DBI_get_tables_full($database, $table = false,
WHERE ' . (PMA_IS_WINDOWS ? '' : 'BINARY') . ' `TABLE_SCHEMA` IN (\'' . implode("', '", $this_databases) . '\')
' . $sql_where_table;
// Sort the tables
if ($sort_by == 'Name' && $GLOBALS['cfg']['NaturalOrder']) {
// This crazy bit of SQL was inspired by a post here:
// http://forums.mysql.com/read.php?10,34908,35959#msg-35959
// Find the longest table name
$max_name_sql = "SELECT MAX(LENGTH(TABLE_NAME)) FROM `information_schema`.`TABLES`
WHERE `TABLE_SCHEMA` IN ('" . implode("', '", $this_databases) . "')";
$max_name_array = PMA_DBI_fetch_result($max_name_sql);
$max_name_length = $max_name_array[0];
// Put the CASE statement SQL together.
$sql_case = '';
for ($i = 1; $i < $max_name_length; $i++) {
$sql_case .= " when substr(Name, $i) between '0' and '9' then $i";
}
$sql_case .= " ELSE $max_name_length end) ";
// Add the CASE statement to the main SQL
$sql .= " ORDER BY left(Name, (CASE ";
$sql .= $sql_case . "-1) $sort_order, 0+substr(Name, CASE";
$sql .= $sql_case . $sort_order;
} else {
// Just let MySQL sort as it normally does
$sql .= " ORDER BY $sort_by $sort_order";
}
if ($limit_count) {
$sql .= ' LIMIT ' . $limit_count . ' OFFSET ' . $limit_offset;
}
$tables = PMA_DBI_fetch_result($sql, array('TABLE_SCHEMA', 'TABLE_NAME'),
null, $link);
unset($sql_where_table, $sql);
@@ -335,6 +365,31 @@ function PMA_DBI_get_tables_full($database, $table = false,
$each_tables = PMA_DBI_fetch_result($sql, 'Name', null, $link);
// Sort naturally if the config allows it and we're sorting
// the Name column.
if ($sort_by == 'Name' && $GLOBALS['cfg']['NaturalOrder']) {
uksort($each_tables, 'strnatcasecmp');
if ($sort_order == 'DESC') {
$each_tables = array_reverse($each_tables);
}
} else {
// Prepare to sort by creating array of the selected sort
// value to pass to array_multisort
foreach ($each_tables as $table_name => $table_data) {
${$sort_by}[$table_name] = strtolower($table_data[$sort_by]);
}
if ($sort_order == 'DESC') {
array_multisort($$sort_by, SORT_DESC, $each_tables);
} else {
array_multisort($$sort_by, SORT_ASC, $each_tables);
}
// cleanup the temporary sort array
unset($$sort_by);
}
if ($limit_count) {
$each_tables = array_slice($each_tables, $limit_offset, $limit_count);
}
@@ -396,12 +451,6 @@ function PMA_DBI_get_tables_full($database, $table = false,
}
}
if ($GLOBALS['cfg']['NaturalOrder']) {
foreach ($tables as $key => $val) {
uksort($tables[$key], 'strnatcasecmp');
}
}
// cache table data
// so PMA_Table does not require to issue SHOW TABLE STATUS again
PMA_Table::$cache = array_merge_recursive(PMA_Table::$cache, $tables);