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Implement addColumn() and modifyColumn()

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This commit is contained in:
Kijin Sung 2020-06-30 00:31:06 +09:00
parent 4a7c18f0ac
commit 58133573b3
2 changed files with 148 additions and 33 deletions
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86
common/framework/db.php
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@ -648,12 +648,14 @@ class DB
*/
public function createTable(string $filename = '', string $content = ''): \BaseObject
{
// Get the table definition from DBTableParser.
$table = Parsers\DBTableParser::loadXML($filename, $content);
if (!$table)
{
return $this->setError(-1, 'Table creation failed.');
}
// Generate the CREATE TABLE query and execute it.
$query_string = $table->getCreateQuery($this->_prefix, $this->_charset, $this->_engine);
$stmt = $this->_query($query_string);
return $stmt ? new \BaseObject : $this->getError();
@ -699,24 +701,98 @@ class DB
*/
public function addColumn(string $table_name, string $column_name, string $type = 'number', $size = null, $default = null, $notnull = false, $after_column = null): \BaseObject
{
// TODO
return new \BaseObject;
// Normalize the type and size.
list($type, $xetype, $size) = Parsers\DBTableParser::getTypeAndSize($type, strval($size));
// Compose the ADD COLUMN query.
$query = sprintf("ALTER TABLE `%s` ADD COLUMN `%s` ", $this->addQuotes($this->_prefix . $table_name), $this->addQuotes($column_name));
$query .= $size ? sprintf('%s(%s)', $type, $size) : $type;
$query .= $notnull ? ' NOT NULL' : '';
// Add the default value according to the type.
if (isset($default))
{
if (contains('int', $type, false) && is_numeric($default))
{
$query .= sprintf(" DEFAULT %s", $default);
}
else
{
$query .= sprintf(" DEFAULT '%s'", $this->addQuotes($default));
}
}
// Add position information.
if ($after_column === 'FIRST')
{
$query .= ' FIRST';
}
elseif ($after_column)
{
$query .= sprintf(' AFTER `%s`', $this->addQuotes($after_column));
}
// Execute the query and return the result.
$stmt = $this->_query($query);
return $stmt ? new \BaseObject : $this->getError();
}
/**
* Modify a column.
*
* @param string $table_name
* @param string $column_name
* @param string $type
* @param string $size
* @param mixed $default
* @param bool $notnull
* @param string $after_column
* @param string $new_name
* @return BaseObject
*/
public function modifyColumn(string $table_name, string $column_name, string $type = 'number', $size = null, $default = null, $notnull = false): \BaseObject
public function modifyColumn(string $table_name, string $column_name, string $type = 'number', $size = null, $default = null, $notnull = false, $after_column = null, $new_name = null): \BaseObject
{
// TODO
return new \BaseObject;
// Normalize the type and size.
list($type, $xetype, $size) = Parsers\DBTableParser::getTypeAndSize($type, strval($size));
// Compose the MODIFY COLUMN query.
if ($new_name && $new_name !== $column_name)
{
$query = sprintf("ALTER TABLE `%s` CHANGE `%s` `%s` ", $this->addQuotes($this->_prefix . $table_name), $this->addQuotes($column_name), $this->addQuotes($new_name));
}
else
{
$query = sprintf("ALTER TABLE `%s` MODIFY `%s` ", $this->addQuotes($this->_prefix . $table_name), $this->addQuotes($column_name));
}
$query .= $size ? sprintf('%s(%s)', $type, $size) : $type;
$query .= $notnull ? ' NOT NULL' : '';
// Add the default value according to the type.
if (isset($default))
{
if (contains('int', $type, false) && is_numeric($default))
{
$query .= sprintf(" DEFAULT %s", $default);
}
else
{
$query .= sprintf(" DEFAULT '%s'", $this->addQuotes($default));
}
}
// Add position information.
if ($after_column === 'FIRST')
{
$query .= ' FIRST';
}
elseif ($after_column)
{
$query .= sprintf(' AFTER `%s`', $this->addQuotes($after_column));
}
// Execute the query and return the result.
$stmt = $this->_query($query);
return $stmt ? new \BaseObject : $this->getError();
}
/**