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innodb and PMA_getForeigners

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This commit is contained in:
Marc Delisle
2003-06-19 19:42:58 +00:00
parent f458691636
commit 3db7d19956
3 changed files with 73 additions and 47 deletions
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3
ChangeLog
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@@ -8,6 +8,9 @@ $Source$
2003-06-19 Marc Delisle <lem9@users.sourceforge.net>
* libraries/sqlparser.lib.php3: analyzer for FOREIGN KEYS
* libraries/sqlparser.lib.php3: bug 756861, DEFAULT 0 becomes DEFAULT0
* libraries/display_tbl.lib.php3: use PMA_getForeigners()
* libraries/relation.lib.php3: now PMA_getForeigners() gets also
foreign keys defined in innnodb
2003-06-17 Michal Cihar <nijel@users.sourceforge.net>
* config.inc.php3: Fixed typo (s/'PMA_pdf_page'/'PMA_pdf_pages'/).

44
libraries/display_tbl.lib.php3
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@@ -1615,34 +1615,28 @@ if (!defined('PMA_DISPLAY_TBL_LIB_INCLUDED')) {
// init map
$map = array();
if ($cfgRelation['relwork']) {
// find tables
//$pattern = '`?[[:space:]]+(((ON|on)[[:space:]]+[^,]+)?,|((NATURAL|natural)[[:space:]]+)?(INNER|inner|LEFT|left|RIGHT|right)([[:space:]]+(OUTER|outer))?[[:space:]]+(JOIN|join))[[:space:]]*`?';
//$target = eregi_replace('^.*[[:space:]]+FROM[[:space:]]+`?|`?[[:space:]]*(ON[[:space:]]+[^,]+)?(WHERE[[:space:]]+.*)?$', '', $sql_query);
//$target = eregi_replace('`?[[:space:]]ORDER BY[[:space:]](.*)','',$target);
//$tabs = '(\'' . join('\',\'', split($pattern, $target)) . '\')';
$target=array();
reset($analyzed_sql[0]['table_ref']);
while (list ($table_ref_position, $table_ref) = each ($analyzed_sql[0]['table_ref'])) {
$target[] = $analyzed_sql[0]['table_ref'][$table_ref_position]['table_true_name'];
}
$tabs = '(\'' . join('\',\'', $target) . '\')';
// find tables
$local_query = 'SELECT master_field, foreign_db, foreign_table, foreign_field'
. ' FROM ' . PMA_backquote($cfgRelation['relation'])
. ' WHERE master_db = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND master_table IN ' . $tabs;
$result = @PMA_query_as_cu($local_query, FALSE);
if ($result) {
while ($rel = PMA_mysql_fetch_row($result)) {
// check for display field?
if ($cfgRelation['displaywork']) {
$display_field = PMA_getDisplayField($rel[1], $rel[2]);
$map[$rel[0]] = array($rel[2], $rel[3], $display_field, $rel[1]);
} // end if
$target=array();
reset($analyzed_sql[0]['table_ref']);
while (list ($table_ref_position, $table_ref) = each ($analyzed_sql[0]['table_ref'])) {
$target[] = $analyzed_sql[0]['table_ref'][$table_ref_position]['table_true_name'];
}
$tabs = '(\'' . join('\',\'', $target) . '\')';
if ($cfgRelation['displaywork']) {
$exist_rel = PMA_getForeigners($db, $table, '', 'both');
if ($exist_rel) {
while (list($master_field,$rel) = each($exist_rel)) {
$display_field = PMA_getDisplayField($rel['foreign_db'],$rel['foreign_table']);
$map[$master_field] = array($rel['foreign_table'],
$rel['foreign_field'],
$display_field,
$rel['foreign_db']);
} // end while
} // end if
} // end 2b
} // end if
// end 2b
// 3. ----- Displays the results table -----
echo '<!-- Results table -->' . "\n"

73
libraries/relation.lib.php3
View File

@@ -272,6 +272,7 @@ if (!defined('PMA_RELATION_LIB_INCLUDED')){
* @param string the name of the db to check for
* @param string the name of the table to check for
* @param string the name of the column to check for
* @param string the source for foreign key information
*
* @return array db,table,column
*
@@ -280,33 +281,61 @@ if (!defined('PMA_RELATION_LIB_INCLUDED')){
*
* @access public
*
* @author Mike Beck <mikebeck@users.sourceforge.net>
* @author Mike Beck <mikebeck@users.sourceforge.net> and Marc Delisle
*/
function PMA_getForeigners($db, $table, $column = '') {
function PMA_getForeigners($db, $table, $column = '', $source = 'both') {
global $cfgRelation, $err_url_0;
$rel_query = 'SELECT master_field, foreign_db, foreign_table, foreign_field'
. ' FROM ' . PMA_backquote($cfgRelation['relation'])
. ' WHERE master_db = \'' . PMA_sqlAddslashes($db) . '\' '
. ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\' ';
if (!empty($column)) {
$rel_query .= ' AND master_field = \'' . PMA_sqlAddslashes($column) . '\'';
if ($source == 'both' || $source == 'internal') {
$rel_query = 'SELECT master_field, foreign_db, foreign_table, foreign_field'
. ' FROM ' . PMA_backquote($cfgRelation['relation'])
. ' WHERE master_db = \'' . PMA_sqlAddslashes($db) . '\' '
. ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\' ';
if (!empty($column)) {
$rel_query .= ' AND master_field = \'' . PMA_sqlAddslashes($column) . '\'';
}
$relations = PMA_query_as_cu($rel_query);
$i = 0;
while ($relrow = @PMA_mysql_fetch_array($relations)) {
$field = $relrow['master_field'];
$foreign[$field]['foreign_db'] = $relrow['foreign_db'];
$foreign[$field]['foreign_table'] = $relrow['foreign_table'];
$foreign[$field]['foreign_field'] = $relrow['foreign_field'];
$i++;
} // end while
}
$relations = PMA_query_as_cu($rel_query);
$i = 0;
while ($relrow = @PMA_mysql_fetch_array($relations)) {
$field = $relrow['master_field'];
$foreign[$field]['foreign_db'] = $relrow['foreign_db'];
$foreign[$field]['foreign_table'] = $relrow['foreign_table'];
$foreign[$field]['foreign_field'] = $relrow['foreign_field'];
$i++;
} // end while
if (isset($foreign) && is_array($foreign)) {
return $foreign;
} else {
return FALSE;
}
if ($source == 'both' || $source == 'innodb') {
$show_create_table_query = 'SHOW CREATE TABLE '
. PMA_backquote($db) . '.' . PMA_backquote($table);
$show_create_table_res = PMA_mysql_query($show_create_table_query);
list(,$show_create_table) = PMA_mysql_fetch_row($show_create_table_res);
$analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($show_create_table));
while (list(,$one_key) = each ($analyzed_sql[0]['foreign_keys'])) {
// TODO: the analyzer may return more than one column name in the
// index list or the ref_index_list but for now we take the first
$field = $one_key['index_list'][0];
// TODO: SHOW CREATE TABLE does not return the db name in
// the REFERENCES, so we assume the same db as master
// If a foreign key is defined in the 'internal' source (pmadb)
// and in 'innodb', we won't get it twice if $source='both'
// because we use $field as key
$foreign[$field]['foreign_db'] = $db;
$foreign[$field]['foreign_table'] = $one_key['ref_table_name'];
$foreign[$field]['foreign_field'] = $one_key['ref_index_list'][0];
}
}
if (isset($foreign) && is_array($foreign)) {
return $foreign;
} else {
return FALSE;
}
} // end of the 'PMA_getForeigners()' function