cache MySQL charset and collation information

This commit is contained in:
Sebastian Mendel
2008-01-21 11:35:33 +00:00
parent 6174b881c5
commit 227c7747c0

View File

@@ -8,6 +8,8 @@
/**
*
*/
if (! isset($_SESSION['mysql_charsets_count'])) {
$res = PMA_DBI_query('SHOW CHARACTER SET;');
$mysql_charsets = array();
@@ -17,7 +19,7 @@ while ($row = PMA_DBI_fetch_assoc($res)) {
//$mysql_charsets_maxlen[$row['Charset']] = $row['Maxlen'];
$mysql_charsets_descriptions[$row['Charset']] = $row['Description'];
}
@PMA_DBI_free_result($res);
PMA_DBI_free_result($res);
$mysql_charsets_count = count($mysql_charsets);
sort($mysql_charsets, SORT_STRING);
@@ -38,9 +40,11 @@ while ($row = PMA_DBI_fetch_assoc($res)) {
}
//$mysql_collations_available[$row['Collation']] = !isset($row['Compiled']) || $row['Compiled'] == 'Yes';
$mysql_collations_available[$row['Collation']] = TRUE;
$mysql_charsets_available[$row['Charset']] = !empty($mysql_charsets_available[$row['Charset']]) || !empty($mysql_collations_available[$row['Collation']]);
$mysql_charsets_available[$row['Charset']] =
!empty($mysql_charsets_available[$row['Charset']])
|| !empty($mysql_collations_available[$row['Collation']]);
}
@PMA_DBI_free_result($res);
PMA_DBI_free_result($res);
unset($res, $row);
$mysql_collations_count = count($mysql_collations_flat);
@@ -51,11 +55,36 @@ foreach ($mysql_collations AS $key => $value) {
}
unset($key, $value);
$_SESSION['mysql_charsets'] = $GLOBALS['mysql_charsets'];
$_SESSION['mysql_charsets_descriptions'] = $GLOBALS['mysql_charsets_descriptions'];
$_SESSION['mysql_charsets_count'] = $GLOBALS['mysql_charsets_count'];
$_SESSION['mysql_charsets_available'] = $GLOBALS['mysql_charsets_available'];
$_SESSION['mysql_collations'] = $GLOBALS['mysql_collations'];
$_SESSION['mysql_default_collations'] = $GLOBALS['mysql_default_collations'];
$_SESSION['mysql_collations_flat'] = $GLOBALS['mysql_collations_flat'];
$_SESSION['mysql_collations_count'] = $GLOBALS['mysql_collations_count'];
$_SESSION['mysql_collations_available'] = $GLOBALS['mysql_collations_available'];
} else {
$GLOBALS['mysql_charsets'] = $_SESSION['mysql_charsets'];
$GLOBALS['mysql_charsets_descriptions'] = $_SESSION['mysql_charsets_descriptions'];
$GLOBALS['mysql_charsets_count'] = $_SESSION['mysql_charsets_count'];
$GLOBALS['mysql_charsets_available'] = $_SESSION['mysql_charsets_available'];
$GLOBALS['mysql_collations'] = $_SESSION['mysql_collations'];
$GLOBALS['mysql_default_collations'] = $_SESSION['mysql_default_collations'];
$GLOBALS['mysql_collations_flat'] = $_SESSION['mysql_collations_flat'];
$GLOBALS['mysql_collations_count'] = $_SESSION['mysql_collations_count'];
$GLOBALS['mysql_collations_available'] = $_SESSION['mysql_collations_available'];
}
define('PMA_CSDROPDOWN_COLLATION', 0);
define('PMA_CSDROPDOWN_CHARSET', 1);
function PMA_generateCharsetDropdownBox($type = PMA_CSDROPDOWN_COLLATION, $name = null, $id = null, $default = null, $label = TRUE, $indent = 0, $submitOnChange = FALSE, $displayUnavailable = FALSE) {
global $mysql_charsets, $mysql_charsets_descriptions, $mysql_charsets_available, $mysql_collations, $mysql_collations_available;
function PMA_generateCharsetDropdownBox($type = PMA_CSDROPDOWN_COLLATION,
$name = null, $id = null, $default = null, $label = TRUE, $indent = 0,
$submitOnChange = FALSE, $displayUnavailable = FALSE)
{
global $mysql_charsets, $mysql_charsets_descriptions,
$mysql_charsets_available, $mysql_collations, $mysql_collations_available;
if (empty($name)) {
if ($type == PMA_CSDROPDOWN_COLLATION) {
@@ -65,33 +94,46 @@ function PMA_generateCharsetDropdownBox($type = PMA_CSDROPDOWN_COLLATION, $name
}
}
$spacer = '';
for ($i = 1; $i <= $indent; $i++) $spacer .= ' ';
$return_str = $spacer . '<select xml:lang="en" dir="ltr" name="' . htmlspecialchars($name) . '"' . (empty($id) ? '' : ' id="' . htmlspecialchars($id) . '"') . ($submitOnChange ? ' onchange="this.form.submit();"' : '') . '>' . "\n";
$return_str = '<select xml:lang="en" dir="ltr" name="'
. htmlspecialchars($name) . '"'
. (empty($id) ? '' : ' id="' . htmlspecialchars($id) . '"')
. ($submitOnChange ? ' onchange="this.form.submit();"' : '') . '>' . "\n";
if ($label) {
$return_str .= $spacer . ' <option value="">' . ($type == PMA_CSDROPDOWN_COLLATION ? $GLOBALS['strCollation'] : $GLOBALS['strCharset']) . '</option>' . "\n";
$return_str .= '<option value="">'
. ($type == PMA_CSDROPDOWN_COLLATION ? $GLOBALS['strCollation'] : $GLOBALS['strCharset'])
. '</option>' . "\n";
}
$return_str .= $spacer . ' <option value="">&nbsp;</option>' . "\n";
$return_str .= '<option value=""></option>' . "\n";
foreach ($mysql_charsets as $current_charset) {
if (!$mysql_charsets_available[$current_charset]) {
continue;
}
$current_cs_descr = empty($mysql_charsets_descriptions[$current_charset]) ? $current_charset : $mysql_charsets_descriptions[$current_charset];
$current_cs_descr =
empty($mysql_charsets_descriptions[$current_charset])
? $current_charset
: $mysql_charsets_descriptions[$current_charset];
if ($type == PMA_CSDROPDOWN_COLLATION) {
$return_str .= $spacer . ' <optgroup label="' . $current_charset . '" title="' . $current_cs_descr . '">' . "\n";
$return_str .= '<optgroup label="' . $current_charset
. '" title="' . $current_cs_descr . '">' . "\n";
foreach ($mysql_collations[$current_charset] as $current_collation) {
if (!$mysql_collations_available[$current_collation]) {
continue;
}
$return_str .= $spacer . ' <option value="' . $current_collation . '" title="' . PMA_getCollationDescr($current_collation) . '"' . ($default == $current_collation ? ' selected="selected"' : '') . '>' . $current_collation . '</option>' . "\n";
$return_str .= '<option value="' . $current_collation
. '" title="' . PMA_getCollationDescr($current_collation) . '"'
. ($default == $current_collation ? ' selected="selected"' : '') . '>'
. $current_collation . '</option>' . "\n";
}
$return_str .= $spacer . ' </optgroup>' . "\n";
$return_str .= '</optgroup>' . "\n";
} else {
$return_str .= $spacer . ' <option value="' . $current_charset . '" title="' . $current_cs_descr . '"' . ($default == $current_charset ? ' selected="selected"' : '') . '>' . $current_charset . '</option>' . "\n";
$return_str .= '<option value="' . $current_charset
. '" title="' . $current_cs_descr . '"'
. ($default == $current_charset ? ' selected="selected"' : '') . '>'
. $current_charset . '</option>' . "\n";
}
}
$return_str .= $spacer . '</select>' . "\n";
$return_str .= '</select>' . "\n";
return $return_str;
}