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MDL-32365 mssql and sqlsrv: introspect metainfo to look for identities

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This commit is contained in:
Eloy Lafuente (stronk7) 2012-04-10 20:24:05 +02:00
parent 55edb9416b
commit 7f3f024d48
2 changed files with 47 additions and 20 deletions
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40
lib/dml/mssql_native_moodle_database.php
View File

@ -805,6 +805,7 @@ class mssql_native_moodle_database extends moodle_database {
}
$returning = "";
$isidentity = false;
if ($customsequence) {
if (!isset($params['id'])) {
@ -812,13 +813,21 @@ class mssql_native_moodle_database extends moodle_database {
}
$returnid = false;
// Disable IDENTITY column before inserting record with id
$sql = 'SET IDENTITY_INSERT {' . $table . '} ON'; // Yes, it' ON!!
list($sql, $xparams, $xtype) = $this->fix_sql_params($sql, null);
$this->query_start($sql, null, SQL_QUERY_AUX);
$result = mssql_query($sql, $this->mssql);
$this->query_end($result);
$this->free_result($result);
$columns = $this->get_columns($table);
if (isset($columns['id']) and $columns['id']->auto_increment) {
$isidentity = true;
}
// Disable IDENTITY column before inserting record with id, only if the
// column is identity, from meta information.
if ($isidentity) {
$sql = 'SET IDENTITY_INSERT {' . $table . '} ON'; // Yes, it' ON!!
list($sql, $xparams, $xtype) = $this->fix_sql_params($sql, null);
$this->query_start($sql, null, SQL_QUERY_AUX);
$result = mssql_query($sql, $this->mssql);
$this->query_end($result);
$this->free_result($result);
}
} else {
unset($params['id']);
@ -851,13 +860,16 @@ class mssql_native_moodle_database extends moodle_database {
$this->free_result($result);
if ($customsequence) {
// Enable IDENTITY column after inserting record with id
$sql = 'SET IDENTITY_INSERT {' . $table . '} OFF'; // Yes, it' OFF!!
list($sql, $xparams, $xtype) = $this->fix_sql_params($sql, null);
$this->query_start($sql, null, SQL_QUERY_AUX);
$result = mssql_query($sql, $this->mssql);
$this->query_end($result);
$this->free_result($result);
// Enable IDENTITY column after inserting record with id, only if the
// column is identity, from meta information.
if ($isidentity) {
$sql = 'SET IDENTITY_INSERT {' . $table . '} OFF'; // Yes, it' OFF!!
list($sql, $xparams, $xtype) = $this->fix_sql_params($sql, null);
$this->query_start($sql, null, SQL_QUERY_AUX);
$result = mssql_query($sql, $this->mssql);
$this->query_end($result);
$this->free_result($result);
}
}
if (!$returnid) {

27
lib/dml/sqlsrv_native_moodle_database.php
View File

@ -871,14 +871,26 @@ class sqlsrv_native_moodle_database extends moodle_database {
if (!is_array($params)) {
$params = (array)$params;
}
$isidentity = false;
if ($customsequence) {
if (!isset($params['id'])) {
throw new coding_exception('moodle_database::insert_record_raw() id field must be specified if custom sequences used.');
}
$returnid = false;
// Disable IDENTITY column before inserting record with id
$sql = 'SET IDENTITY_INSERT {'.$table.'} ON'; // Yes, it' ON!!
$this->do_query($sql, null, SQL_QUERY_AUX);
$columns = $this->get_columns($table);
if (isset($columns['id']) and $columns['id']->auto_increment) {
$isidentity = true;
}
// Disable IDENTITY column before inserting record with id, only if the
// column is identity, from meta information.
if ($isidentity) {
$sql = 'SET IDENTITY_INSERT {'.$table.'} ON'; // Yes, it' ON!!
$this->do_query($sql, null, SQL_QUERY_AUX);
}
} else {
unset($params['id']);
@ -894,9 +906,12 @@ class sqlsrv_native_moodle_database extends moodle_database {
$query_id = $this->do_query($sql, $params, SQL_QUERY_INSERT);
if ($customsequence) {
// Enable IDENTITY column after inserting record with id
$sql = 'SET IDENTITY_INSERT {'.$table.'} OFF'; // Yes, it' OFF!!
$this->do_query($sql, null, SQL_QUERY_AUX);
// Enable IDENTITY column after inserting record with id, only if the
// column is identity, from meta information.
if ($isidentity) {
$sql = 'SET IDENTITY_INSERT {'.$table.'} OFF'; // Yes, it' OFF!!
$this->do_query($sql, null, SQL_QUERY_AUX);
}
}
if ($returnid) {