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-rw-r--r--system/database/drivers/cubrid/cubrid_forge.php275
1 files changed, 131 insertions, 144 deletions
diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php
index 16478ee11..2a737c5ed 100644
--- a/system/database/drivers/cubrid/cubrid_forge.php
+++ b/system/database/drivers/cubrid/cubrid_forge.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -21,9 +21,10 @@
* @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.1
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CUBRID Forge Class
@@ -34,195 +35,181 @@
*/
class CI_DB_cubrid_forge extends CI_DB_forge {
+ /**
+ * CREATE DATABASE statement
+ *
+ * @var string
+ */
protected $_create_database = FALSE;
- protected $_drop_database = FALSE;
/**
- * Process Fields
+ * CREATE TABLE keys flag
*
- * @param mixed the fields
- * @return string
+ * Whether table keys are created from within the
+ * CREATE TABLE statement.
+ *
+ * @var bool
*/
- protected function _process_fields($fields)
- {
- $current_field_count = 0;
- $sql = '';
+ protected $_create_table_keys = TRUE;
- foreach ($fields as $field => $attributes)
- {
- // Numeric field names aren't allowed in databases, so if the key is
- // numeric, we know it was assigned by PHP and the developer manually
- // entered the field information, so we'll simply add it to the list
- if (is_numeric($field))
- {
- $sql .= "\n\t$attributes";
- }
- else
- {
- $attributes = array_change_key_case($attributes, CASE_UPPER);
-
- $sql .= "\n\t\"".$this->db->protect_identifiers($field).'"';
-
- if (array_key_exists('NAME', $attributes))
- {
- $sql .= ' '.$this->db->protect_identifiers($attributes['NAME']).' ';
- }
-
- if (array_key_exists('TYPE', $attributes))
- {
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- switch ($attributes['TYPE'])
- {
- case 'decimal':
- case 'float':
- case 'numeric':
- $sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
- break;
- case 'enum': // As of version 8.4.0 CUBRID does not support
- // enum data type.
- break;
- case 'set':
- $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
- break;
- default:
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
- }
- }
+ /**
+ * DROP DATABASE statement
+ *
+ * @var string
+ */
+ protected $_drop_database = FALSE;
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
- {
- //$sql .= ' UNSIGNED';
- // As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type.
- // Will be supported in the next release as a part of MySQL Compatibility.
- }
+ /**
+ * CREATE TABLE IF statement
+ *
+ * @var string
+ */
+ protected $_create_table_if = FALSE;
- if (array_key_exists('DEFAULT', $attributes))
- {
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
- }
+ /**
+ * UNSIGNED support
+ *
+ * @var array
+ */
+ protected $_unsigned = array(
+ 'SHORT' => 'INTEGER',
+ 'SMALLINT' => 'INTEGER',
+ 'INT' => 'BIGINT',
+ 'INTEGER' => 'BIGINT',
+ 'BIGINT' => 'NUMERIC',
+ 'FLOAT' => 'DOUBLE',
+ 'REAL' => 'DOUBLE'
+ );
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ // --------------------------------------------------------------------
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' AUTO_INCREMENT';
- }
+ /**
+ * ALTER TABLE
+ *
+ * @param string $alter_type ALTER type
+ * @param string $table Table name
+ * @param mixed $field Column definition
+ * @return string|string[]
+ */
+ protected function _alter_table($alter_type, $table, $field)
+ {
+ if (in_array($alter_type, array('DROP', 'ADD'), TRUE))
+ {
+ return parent::_alter_table($alter_type, $table, $field);
+ }
- if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
- {
- $sql .= ' UNIQUE';
- }
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
+ $sqls = array();
+ for ($i = 0, $c = count($field); $i < $c; $i++)
+ {
+ if ($field[$i]['_literal'] !== FALSE)
+ {
+ $sqls[] = $sql.' CHANGE '.$field[$i]['_literal'];
}
-
- // don't add a comma on the end of the last field
- if (++$current_field_count < count($fields))
+ else
{
- $sql .= ',';
+ $alter_type = empty($field[$i]['new_name']) ? ' MODIFY ' : ' CHANGE ';
+ $sqls[] = $sql.$alter_type$this->_process_column($field[$i]);
}
}
- return $sql;
+ return $sqls;
}
// --------------------------------------------------------------------
/**
- * Create Table
+ * Process column
*
- * @param string the table name
- * @param mixed the fields
- * @param mixed primary key(s)
- * @param mixed key(s)
- * @param bool should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param array $field
+ * @return string
*/
- protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _process_column($field)
{
- $sql = 'CREATE TABLE ';
+ $extra_clause = isset($field['after'])
+ ? ' AFTER '.$this->db->escape_identifiers($field['after']) : '';
- if ($if_not_exists === TRUE)
+ if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE)
{
- //$sql .= 'IF NOT EXISTS ';
- // As of version 8.4.0 CUBRID does not support this SQL syntax.
+ $extra_clause = ' FIRST';
}
- $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields);
-
- // If there is a PK defined
- if (count($primary_keys) > 0)
- {
- $key_name = 'pk_'.$table.'_'.$this->db->protect_identifiers(implode('_', $primary_keys));
+ return $this->db->escape_identifiers($field['name'])
+ .(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name']))
+ .' '.$field['type'].$field['length']
+ .$field['unsigned']
+ .$field['null']
+ .$field['default']
+ .$field['auto_increment']
+ .$field['unique']
+ .$extra_clause;
+ }
- $primary_keys = $this->db->protect_identifiers($primary_keys);
- $sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
- }
+ // --------------------------------------------------------------------
- if (is_array($keys) && count($keys) > 0)
+ /**
+ * Field attribute TYPE
+ *
+ * Performs a data type mapping between different databases.
+ *
+ * @param array &$attributes
+ * @return void
+ */
+ protected function _attr_type(&$attributes)
+ {
+ switch (strtoupper($attributes['TYPE']))
{
- foreach ($keys as $key)
- {
- if (is_array($key))
- {
- $key_name = $this->db->protect_identifiers(implode('_', $key));
- $key = $this->db->protect_identifiers($key);
- }
- else
- {
- $key_name = $this->db->protect_identifiers($key);
- $key = array($key_name);
- }
-
- $sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
- }
+ case 'TINYINT':
+ $attributes['TYPE'] = 'SMALLINT';
+ $attributes['UNSIGNED'] = FALSE;
+ return;
+ case 'MEDIUMINT':
+ $attributes['TYPE'] = 'INTEGER';
+ $attributes['UNSIGNED'] = FALSE;
+ return;
+ default: return;
}
-
- $sql .= "\n);";
-
- return $sql;
}
// --------------------------------------------------------------------
/**
- * Alter table query
+ * Process indexes
*
- * Generates a platform-specific query so that a table can be altered
- * Called by add_column(), drop_column(), and column_alter(),
- *
- * @param string the ALTER type (ADD, DROP, CHANGE)
- * @param string the column name
- * @param array fields
- * @param string the field after which we should add the new field
+ * @param string $table (ignored)
* @return string
*/
- protected function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _process_indexes($table)
{
- $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
+ $sql = '';
- // DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ for ($i = 0, $c = count($this->keys); $i < $c; $i++)
{
- return $sql.$this->db->protect_identifiers($fields);
- }
+ if (is_array($this->keys[$i]))
+ {
+ for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
+ {
+ if ( ! isset($this->fields[$this->keys[$i][$i2]]))
+ {
+ unset($this->keys[$i][$i2]);
+ continue;
+ }
+ }
+ }
+ elseif ( ! isset($this->fields[$this->keys[$i]]))
+ {
+ unset($this->keys[$i]);
+ continue;
+ }
- $sql .= $this->_process_fields($fields);
+ is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]);
- if ($after_field != '')
- {
- return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
+ $sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i]))
+ .' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')';
}
+ $this->keys = array();
+
return $sql;
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-07-04 22:15:53 +0200