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Code Issues Releases Wiki Activity

MS SQL: Don't insert identity without IDENTITY_INSERT

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This commit is contained in:
Jakub Vrana
2025-02-27 09:42:33 +01:00
parent 26d1e51916
commit 980c22fe8d
1 changed files with 11 additions and 4 deletions
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15
adminer/drivers/mssql.inc.php
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@@ -192,9 +192,14 @@ if (isset($_GET["mssql"])) {
$set = reset($rows); $set = reset($rows);
$columns = "c" . implode(", c", range(1, count($set))); $columns = "c" . implode(", c", range(1, count($set)));
$c = 0; $c = 0;
$insert = array();
foreach ($set as $key => $val) { foreach ($set as $key => $val) {
$c++; $c++;
if (isset($primary[idf_unescape($key)])) { $name = idf_unescape($key);
if (!$fields[$name]["auto_increment"]) {
$insert[$key] = "c$c";
}
if (isset($primary[$name])) {
$where[] = "$key = c$c"; $where[] = "$key = c$c";
} else { } else {
$update[] = "$key = c$c"; $update[] = "$key = c$c";
@@ -205,12 +210,14 @@ if (isset($_GET["mssql"])) {
$values[] = "(" . implode(", ", $set) . ")"; $values[] = "(" . implode(", ", $set) . ")";
} }
if ($where) { if ($where) {
queries("SET IDENTITY_INSERT " . table($table) . " ON"); $identity = queries("SET IDENTITY_INSERT " . table($table) . " ON");
$return = queries("MERGE " . table($table) . " USING (VALUES\n\t" . implode(",\n\t", $values) . "\n) AS source ($columns) ON " . implode(" AND ", $where) //! source, c1 - possible conflict $return = queries("MERGE " . table($table) . " USING (VALUES\n\t" . implode(",\n\t", $values) . "\n) AS source ($columns) ON " . implode(" AND ", $where) //! source, c1 - possible conflict
. ($update ? "\nWHEN MATCHED THEN UPDATE SET " . implode(", ", $update) : "") . ($update ? "\nWHEN MATCHED THEN UPDATE SET " . implode(", ", $update) : "")
. "\nWHEN NOT MATCHED THEN INSERT (" . implode(", ", array_keys($set)) . ") VALUES ($columns);" // ; is mandatory . "\nWHEN NOT MATCHED THEN INSERT (" . implode(", ", array_keys($identity ? $set : $insert)) . ") VALUES (" . ($identity ? $columns : implode(", ", $insert)) . ");" // ; is mandatory
); );
queries("SET IDENTITY_INSERT " . table($table) . " OFF"); if ($identity) {
queries("SET IDENTITY_INSERT " . table($table) . " OFF");
}
} else { } else {
$return = queries("INSERT INTO " . table($table) . " (" . implode(", ", array_keys($set)) . ") VALUES\n" . implode(",\n", $values)); $return = queries("INSERT INTO " . table($table) . " (" . implode(", ", array_keys($set)) . ") VALUES\n" . implode(",\n", $values));
} }