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affected rows are returned in case of DELETE with no WHERE clause, at least since MySQL 4.0.x

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This commit is contained in:
Marc Delisle
2006-01-25 14:49:40 +00:00
parent ee90fc123c
commit c7d4963897
1 changed files with 12 additions and 9 deletions
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21
sql.php
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@@ -353,16 +353,19 @@ else {
// If the query is a DELETE query with no WHERE clause, get the number of
// rows that will be deleted (mysql_affected_rows will always return 0 in
// this case)
// Note: testing shows that this no longer applies since MySQL 4.0.x
if ($is_delete
&& preg_match('@^DELETE([[:space:]].+)?(FROM[[:space:]](.+))$@i', $sql_query, $parts)
&& !preg_match('@[[:space:]]WHERE[[:space:]]@i', $parts[3])) {
$cnt_all_result = @PMA_DBI_try_query('SELECT COUNT(*) as count ' . $parts[2]);
if ($cnt_all_result) {
list($num_rows) = PMA_DBI_fetch_row($cnt_all_result);
PMA_DBI_free_result($cnt_all_result);
} else {
$num_rows = 0;
if (PMA_MYSQL_INT_VERSION < 40000) {
if ($is_delete
&& preg_match('@^DELETE([[:space:]].+)?(FROM[[:space:]](.+))$@i', $sql_query, $parts)
&& !preg_match('@[[:space:]]WHERE[[:space:]]@i', $parts[3])) {
$cnt_all_result = @PMA_DBI_try_query('SELECT COUNT(*) as count ' . $parts[2]);
if ($cnt_all_result) {
list($num_rows) = PMA_DBI_fetch_row($cnt_all_result);
PMA_DBI_free_result($cnt_all_result);
} else {
$num_rows = 0;
}
}
}