Skip to content

SQL Server adapter uses nvarchar(max) instead of ntext and always updates default constraint #1977

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 5 commits into
base: 0.x
Choose a base branch
from
Open

SQL Server adapter uses nvarchar(max) instead of ntext and always updates default constraint #1977

Changes from 2 commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
f312562
Force SQL Server adapter to always drop/readd the default constraint
Apr 28, 2021
b0bb624
Remove use of NTEXT SQL type and use NVARCHAR(MAX) instead
Apr 28, 2021
9b9de7a
Remove unneeded else
Apr 29, 2021
1d80a36
Update does not equals check to does not equal with type.
Sep 3, 2021
f8e3a65
camelCase char_length argument.
Sep 3, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 14 additions & 14 deletions src/Phinx/Db/Adapter/SqlServerAdapter.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -458,7 +458,7 @@ public function getColumns($tableName)
$rows = $this->fetchAll($sql);
foreach ($rows as $columnInfo) {
try {
$type = $this->getPhinxType($columnInfo['type']);
$type = $this->getPhinxType($columnInfo['type'], $columnInfo['char_length']);
} catch (UnsupportedColumnTypeException $e) {
$type = Literal::from($columnInfo['type']);
}
Expand All @@ -471,7 +471,8 @@ public function getColumns($tableName)
->setIdentity($columnInfo['identity'] === '1')
->setComment($this->getColumnComment($columnInfo['table_name'], $columnInfo['name']));

if (!empty($columnInfo['char_length'])) {
if ($type != self::PHINX_TYPE_TEXT && !empty($columnInfo['char_length'])) {
// Do not set a limit for text, as that is handled elsewhere.
$column->setLimit($columnInfo['char_length']);
}

Expand Down Expand Up @@ -609,9 +610,6 @@ protected function getChangeDefault($tableName, Column $newColumn)
protected function getChangeColumnInstructions($tableName, $columnName, Column $newColumn)
{
$columns = $this->getColumns($tableName);
$changeDefault =
$newColumn->getDefault() !== $columns[$columnName]->getDefault() ||
$newColumn->getType() !== $columns[$columnName]->getType();

$instructions = new AlterInstructions();

Expand All @@ -621,9 +619,7 @@ protected function getChangeColumnInstructions($tableName, $columnName, Column $
);
}

if ($changeDefault) {
$instructions->merge($this->getDropDefaultConstraint($tableName, $newColumn->getName()));
}
$instructions->merge($this->getDropDefaultConstraint($tableName, $newColumn->getName()));

$instructions->addPostStep(sprintf(
'ALTER TABLE %s ALTER COLUMN %s %s',
Expand All @@ -636,9 +632,7 @@ protected function getChangeColumnInstructions($tableName, $columnName, Column $
$instructions->addPostStep($this->getColumnCommentSqlDefinition($newColumn, $tableName));
}

if ($changeDefault) {
$instructions->merge($this->getChangeDefault($tableName, $newColumn));
}
$instructions->merge($this->getChangeDefault($tableName, $newColumn));

return $instructions;
}
Expand Down Expand Up @@ -1069,7 +1063,7 @@ public function getSqlType($type, $limit = null)
case static::PHINX_TYPE_CHAR:
return ['name' => 'nchar', 'limit' => 255];
case static::PHINX_TYPE_TEXT:
return ['name' => 'ntext'];
return ['name' => 'nvarchar', 'limit' => 'max'];
case static::PHINX_TYPE_INTEGER:
return ['name' => 'int'];
case static::PHINX_TYPE_TINY_INTEGER:
Expand Down Expand Up @@ -1109,17 +1103,23 @@ public function getSqlType($type, $limit = null)
* @internal param string $sqlType SQL type
*
* @param string $sqlType SQL Type definition
* @param int|null $char_length Column length value
*
* @throws \Phinx\Db\Adapter\UnsupportedColumnTypeException
*
* @return string Phinx type
*/
public function getPhinxType($sqlType)
public function getPhinxType($sqlType, $char_length = null)
{
switch ($sqlType) {
case 'nvarchar':
case 'varchar':
return static::PHINX_TYPE_STRING;
if ($char_length == -1) {
// max char length
return static::PHINX_TYPE_TEXT;
} else {
return static::PHINX_TYPE_STRING;
}
case 'char':
case 'nchar':
return static::PHINX_TYPE_CHAR;
Expand Down