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bug #3412862 [relation] Relations/constraints are dropped/created on every change

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This commit is contained in:
Madhura Jayaratne
2011-09-27 21:06:21 +05:30
parent f29ba65b70
commit 2e101cc733
2 changed files with 12 additions and 18 deletions
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1
ChangeLog
View File

@@ -14,6 +14,7 @@ phpMyAdmin - ChangeLog
- bug #3411633 [core] Call to undefined function PMA_isSuperuser()
- bug #3413743 [interface] Display options link missing after search
- bug #3324161 [core] CSP policy causing designer JS buttons to fail
- bug #3412862 [relation] Relations/constraints are dropped/created on every change
3.4.5.0 (2011-09-14)
- bug #3375325 [interface] Page list in navigation frame looks odd

29
tbl_relation.php
View File

@@ -72,9 +72,9 @@ function PMA_generate_dropdown($dropdown_question, $select_name, $choices, $sele
}
/**
* Split a string on backquote pairs
* Split a string on backquote pairs
*
* @param string original string
* @param string original string
* @return array containing the elements (and their surrounding backquotes)
*
* @access public
@@ -97,7 +97,7 @@ function PMA_backquote_split($text)
}
$elements[] = substr($text, $first_backquote, $second_backquote - $first_backquote + 1);
$pos = $second_backquote + 1;
}
}
return($elements);
}
@@ -216,25 +216,18 @@ if (isset($_REQUEST['destination_foreign'])) {
} elseif (PMA_backquote($existrel_foreign[$master_field]['foreign_db']) != $foreign_db
|| PMA_backquote($existrel_foreign[$master_field]['foreign_table']) != $foreign_table
|| PMA_backquote($existrel_foreign[$master_field]['foreign_field']) != $foreign_field
|| ($_REQUEST['on_delete'][$master_field_md5] != (!empty($existrel_foreign[$master_field]['on_delete']) ? $existrel_foreign[$master_field]['on_delete'] : ''))
|| ($_REQUEST['on_update'][$master_field_md5] != (!empty($existrel_foreign[$master_field]['on_update']) ? $existrel_foreign[$master_field]['on_update'] : ''))
|| ($_REQUEST['on_delete'][$master_field_md5] != (!empty($existrel_foreign[$master_field]['on_delete']) ? $existrel_foreign[$master_field]['on_delete'] : 'RESTRICT'))
|| ($_REQUEST['on_update'][$master_field_md5] != (!empty($existrel_foreign[$master_field]['on_update']) ? $existrel_foreign[$master_field]['on_update'] : 'RESTRICT'))
) {
// another foreign key is already defined for this field
// or
// an option has been changed for ON DELETE or ON UPDATE
// remove existing key
// remove existing key and add the new one
$sql_query = 'ALTER TABLE ' . PMA_backquote($table)
. ' DROP FOREIGN KEY '
. PMA_backquote($existrel_foreign[$master_field]['constraint']) . ';';
// I tried to send both in one query but it failed
PMA_DBI_query($sql_query);
$display_query .= $sql_query . "\n";
// add another
$sql_query = 'ALTER TABLE ' . PMA_backquote($table)
. ' ADD FOREIGN KEY ('
. PMA_backquote($existrel_foreign[$master_field]['constraint']) . ', '
. 'ADD FOREIGN KEY ('
. PMA_backquote($master_field) . ')'
. ' REFERENCES '
. $foreign_db . '.'
@@ -376,7 +369,7 @@ if ($cfgRelation['relwork'] || PMA_foreignkey_supported($tbl_type)) {
&& isset($curr_table[1])
&& strtoupper($curr_table[1]) == $tbl_type) {
// explicitely ask for non-quoted list of indexed columns
// need to obtain backquoted values to support dots inside values
// need to obtain backquoted values to support dots inside values
$selectboxall_foreign = array_merge($selectboxall_foreign, $current_table->getIndexedColumns($backquoted = true));
}
} // end while over tables
@@ -506,9 +499,9 @@ if ($col_rs && PMA_DBI_num_rows($col_rs) > 0) {
</span>
<span class="formelement">
<?php
// For ON DELETE and ON UPDATE, the default action
// For ON DELETE and ON UPDATE, the default action
// is RESTRICT as per MySQL doc; however, a SHOW CREATE TABLE
// won't display the clause if it's set as RESTRICT.
// won't display the clause if it's set as RESTRICT.
PMA_generate_dropdown('ON DELETE',
'on_delete[' . $myfield_md5 . ']',
$options_array,