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Implement modifyColumn() for Cubrid

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This commit is contained in:
Kijin Sung 2014-08-11 12:30:49 +09:00
parent ccae599b24
commit 3a586c2c32
1 changed files with 62 additions and 0 deletions
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62
classes/db/DBCubrid.class.php
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@ -539,6 +539,68 @@ class DBCubrid extends DB
$this->_query($query);
}
/**
* Modify a column (only supported in CUBRID 8.4 and above, otherwise returns false)
* @param string $table_name table name
* @param string $column_name column name
* @param string $type column type, default value is 'number'
* @param int $size column size
* @param string|int $default default value
* @param boolean $notnull not null status, default value is false
* @return bool
*/
function modifyColumn($table_name, $column_name, $type = 'number', $size = '', $default = '', $notnull = FALSE)
{
if(!version_compare(__CUBRID_VERSION__, '8.4.0', '>='))
{
return false;
}
$type = strtoupper($this->column_type[$type]);
if($type == 'INTEGER')
{
$size = '';
}
$query = sprintf("alter class \"%s%s\" modify \"%s\" ", $this->prefix, $table_name, $column_name);
if($type == 'char' || $type == 'varchar')
{
if($size)
{
$size = $size * 3;
}
}
if($size)
{
$query .= sprintf("%s(%s) ", $type, $size);
}
else
{
$query .= sprintf("%s ", $type);
}
if($default)
{
if($type == 'INTEGER' || $type == 'BIGINT' || $type == 'INT')
{
$query .= sprintf("default %d ", $default);
}
else
{
$query .= sprintf("default '%s' ", $default);
}
}
if($notnull)
{
$query .= "not null ";
}
return $this->_query($query) ? true : false;
}
/**
* Check column exist status of the table
* @param string $table_name table name