Vergleich inc/db_sqlite3.php - 1.4.2 - 1.4.8

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 * Website: http://www.mybboard.com
 * License: http://www.mybboard.com/license.php
 *

 
 * Website: http://www.mybboard.com
 * License: http://www.mybboard.com/license.php
 *

 * $Id: db_sqlite3.php 4067 2008-08-04 03:59:08Z Tikitiki $

 * $Id: db_sqlite3.php 4335 2009-03-22 18:34:20Z Tikitiki $

 */

class DB_SQLite3

 */

class DB_SQLite3

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				}
				else
				{

 
				}
				else
				{

					$query = $this->alter_table_parse($tablename, $alterdefs);

					$query = $this->alter_table_parse($tablename, $alterdefs, $string);

				}
			}
		}

				}
			}
		}

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			VALUES ('".$values."')
		");
		return $this->insert_id();

 
			VALUES ('".$values."')
		");
		return $this->insert_id();

 
	}
	
	/**
	 * Build an insert query from an array.
	 *
	 * @param string The table name to perform the query on.
	 * @param array An array of fields and their values.
	 * @return string The query string.
	 */
	function build_insert_query($table, $array)
	{
		$comma = $query1 = $query2 = "";
		if(!is_array($array))
		{
			return false;
		}
		$comma = "";
		$query1 = "";
		$query2 = "";
		foreach($array as $field => $value)
		{
			$query1 .= $comma.$field;
			$query2 .= $comma."'".$value."'";
			$comma = ", ";
		}
		return "INSERT 
			INTO ".TABLE_PREFIX.$table." (".$query1.") 
			VALUES (".$query2.")";

	}
	
	/**

	}
	
	/**

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	 * @param string The table name to perform the query on.
	 * @param array An array of inserts.
	 * @return int The insert ID if available

 
	 * @param string The table name to perform the query on.
	 * @param array An array of inserts.
	 * @return int The insert ID if available

	 */

	 */

	function insert_query_multiple($table, $array)

 
	function insert_query_multiple($table, $array)

	{
		if(!is_array($array))
		{
			return false;

	{
		if(!is_array($array))
		{
			return false;

		}
		// Field names
		$fields = array_keys($array[0]);

		}
		// Field names
		$fields = array_keys($array[0]);

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	 * @param array An array of fields and their values.
	 * @param string An optional where clause for the query.
	 * @param string An optional limit clause for the query.

 
	 * @param array An array of fields and their values.
	 * @param string An optional where clause for the query.
	 * @param string An optional limit clause for the query.

	 * @return resource The query data.


































	 * @return resource The query data.
	 */
	function update_query($table, $array, $where="", $limit="")
	{
		if(!is_array($array))
		{
			return false;
		}
		
		$comma = "";
		$query = "";
		
		foreach($array as $field => $value)
		{
			$query .= $comma.$field."='".$value."'";
			$comma = ", ";
		}
		
		if(!empty($where))
		{
			$query .= " WHERE $where";
		}
		
		return $this->query("UPDATE {$this->table_prefix}$table SET $query");
	}
	
	/**
	 * Build an update query from an array.
	 *
	 * @param string The table name to perform the query on.
	 * @param array An array of fields and their values.
	 * @param string An optional where clause for the query.
	 * @param string An optional limit clause for the query.
	 * @return string The query string.

	 */

 
	 */

	function update_query($table, $array, $where="", $limit="")

	function build_update_query($table, $array, $where="", $limit="")

	{
		if(!is_array($array))

 
	{
		if(!is_array($array))

		{

		{

			return false;
		}
		
		$comma = "";

 
			return false;
		}
		
		$comma = "";

		$query = "";

		$query = "";

		
		foreach($array as $field => $value)
		{
			$query .= $comma.$field."='".$value."'";
			$comma = ", ";

 
		
		foreach($array as $field => $value)
		{
			$query .= $comma.$field."='".$value."'";
			$comma = ", ";

		}
		
		if(!empty($where))
		{
			$query .= " WHERE $where";
		}
		
		return $this->query("UPDATE {$this->table_prefix}$table SET $query");
	}

	/**

		}
		
		if(!empty($where))
		{
			$query .= " WHERE $where";
		}
		
		return "UPDATE {$this->table_prefix}{$table} SET {$query}";
	}

	/**

	 * Build a delete query.
	 *
	 * @param string The table name to perform the query on.

	 * Build a delete query.
	 *
	 * @param string The table name to perform the query on.

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	/**
	 * Escape a string

 

	/**
	 * Escape a string

	 *
	 * @param string The string to be escaped.

	 *
	 * @param string The string to be escaped.

	 * @return string The escaped string.
	 */
	function escape_string($string)

	 * @return string The escaped string.
	 */
	function escape_string($string)

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	/**
	 * Serves no purposes except compatibility

 
	
	/**
	 * Serves no purposes except compatibility

	 *

	 *

	 */
	function free_result($query)
	{

	 */
	function free_result($query)
	{

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		$this->version = $this->db->get_attribute("ATTR_SERVER_VERSION");
		
		return $this->version;

 
		$this->version = $this->db->get_attribute("ATTR_SERVER_VERSION");
		
		return $this->version;

	}

	}


	/**
	 * Optimizes a specific table.
	 *
	 * @param string The name of the table to be optimized.

 

	/**
	 * Optimizes a specific table.
	 *
	 * @param string The name of the table to be optimized.

	 */

	 */

	function optimize_table($table)
	{
		$this->query("VACUUM ".$this->table_prefix.$table."");

	function optimize_table($table)
	{
		$this->query("VACUUM ".$this->table_prefix.$table."");

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	function analyze_table($table)
	{
		$this->query("ANALYZE ".$this->table_prefix.$table."");

 
	function analyze_table($table)
	{
		$this->query("ANALYZE ".$this->table_prefix.$table."");

	}

	/**

	}

	/**

	 * Show the "create table" command for a specific table.
	 *
	 * @param string The name of the table.

	 * Show the "create table" command for a specific table.
	 *
	 * @param string The name of the table.

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	 *
	 * @param string The name of the table.
	 * @return string Field info for that table

 
	 *
	 * @param string The name of the table.
	 * @return string Field info for that table

	 */

	 */

	function show_fields_from($table)
	{
		$old_tbl_prefix = $this->table_prefix;
		$this->set_table_prefix("");

 
	function show_fields_from($table)
	{
		$old_tbl_prefix = $this->table_prefix;
		$this->set_table_prefix("");

		$query = $this->simple_select("sqlite_master", "sql", "type = 'table' AND name = '{$this->table_prefix}{$table}'");

		$query = $this->simple_select("sqlite_master", "sql", "type = 'table' AND name = '{$old_tbl_prefix}{$table}'");

		$this->set_table_prefix($old_tbl_prefix);
		$table = trim(preg_replace('#CREATE\s+TABLE\s+"?'.$this->table_prefix.$table.'"?#i', '', $this->fetch_field($query, "sql")));


		$this->set_table_prefix($old_tbl_prefix);
		$table = trim(preg_replace('#CREATE\s+TABLE\s+"?'.$this->table_prefix.$table.'"?#i', '', $this->fetch_field($query, "sql")));


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		}
		
		return $field_info;

 
		}
		
		return $field_info;

	}


	}


	/**
	 * Returns whether or not the table contains a fulltext index.
	 *

	/**
	 * Returns whether or not the table contains a fulltext index.
	 *

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	 */

	function supports_fulltext($table)

 
	 */

	function supports_fulltext($table)

	{

	{

		return false;
	}


		return false;
	}


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	 *
	 * @param string The table to be checked.
	 * @return boolean True or false if supported or not.

 
	 *
	 * @param string The table to be checked.
	 * @return boolean True or false if supported or not.

	 */

	 */

	function supports_fulltext_boolean($table)

 
	function supports_fulltext_boolean($table)

	{
		return false;
	}


	{
		return false;
	}


	/**
	 * Creates a fulltext index on the specified column in the specified table with optional index name.

 
	/**
	 * Creates a fulltext index on the specified column in the specified table with optional index name.

	 *
	 * @param string The name of the table.

	 *
	 * @param string The name of the table.

	 * @param string Name of the column to be indexed.
	 * @param string The index name, optional.
	 */

	 * @param string Name of the column to be indexed.
	 * @param string The index name, optional.
	 */

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		return false;
	}


 
		return false;
	}


	/**

	/**

	 * Drop an index with the specified name from the specified table
	 *
	 * @param string The name of the table.
	 * @param string The name of the index.
	 */

 
	 * Drop an index with the specified name from the specified table
	 *
	 * @param string The name of the table.
	 * @param string The name of the index.
	 */

	function drop_index($table, $name)












	function drop_index($table, $name)
	{
		$this->query("ALTER TABLE {$this->table_prefix}$table DROP INDEX $name");
	}
	
	/**
	 * Checks to see if an index exists on a specified table
	 *
	 * @param string The name of the table.
	 * @param string The name of the index.
	 */
	function index_exists($table, $index)

	{

 
	{

		$this->query("ALTER TABLE {$this->table_prefix}$table DROP INDEX $name");

		return false;

	}
	
	/**

	}
	
	/**

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	 *
	 * @param string The table
	 * @param array The values

 
	 *
	 * @param string The table
	 * @param array The values

 
	 * @param string The default field
	 * @param boolean Whether or not to return an insert id. True by default

	 */

 
	 */

	function replace_query($table, $replacements=array())






















































	function replace_query($table, $replacements=array(), $default_field="", $insert_id=true)
	{
		$columns = '';
		$values = '';
		$comma = '';
		foreach($replacements as $column => $value)
		{
			$columns .= $comma.$column;
			$values .= $comma."'".$value."'";
			
			$comma = ',';
		}
		
		if(empty($columns) || empty($values))
		{
			 return false;
		}
		
		if($default_field == "")
		{
			return $this->write_query("REPLACE INTO {$this->table_prefix}{$table} ({$columns}) VALUES({$values})");
		}
		else
		{
			$update = false;
			$query = $this->write_query("SELECT {$default_field} FROM {$this->table_prefix}{$table}");
			
			while($column = $this->fetch_array($query))
			{
				if($column[$default_field] == $replacements[$default_field])
				{				
					$update = true;
					break;
				}
			}
			
			if($update === true)
			{
				return $this->update_query($table, $replacements, "{$default_field}='".$replacements[$default_field]."'");
			}
			else
			{
				return $this->insert_query($table, $replacements, $insert_id);
			}
		}
	}
	
	/**
	 * Replace contents of table with values
	 *
	 * @param string The table
	 * @param array The replacements
	 */
	function build_replace_query($table, $replacements=array(), $default_field="")

	{
		$columns = '';
		$values = '';

	{
		$columns = '';
		$values = '';

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		if(empty($columns) || empty($values))
		{
			 return false;

 
		if(empty($columns) || empty($values))
		{
			 return false;

		}
		
		return $this->query("REPLACE INTO {$this->table_prefix}{$table} ({$columns}) VALUES({$values})");
	}



























		}
		
		if($default_field == "")
		{
			return "REPLACE INTO {$this->table_prefix}{$table} ({$columns}) VALUES({$values})";
		}
		else
		{
			$update = false;
			$query = $this->write_query("SELECT {$default_field} FROM {$this->table_prefix}{$table}");
			
			while($column = $this->fetch_array($query))
			{
				if($column[$default_field] == $replacements[$default_field])
				{				
					$update = true;
					break;
				}
			}
			
			if($update === true)
			{
				return $this->build_update_query($table, $replacements, "{$default_field}='".$replacements[$default_field]."'");
			}
			else
			{
				return $this->build_insert_query($table, $replacements, $insert_id);
			}
		}
	}

	
	/**
	 * Sets the table prefix used by the simple select, insert, update and delete functions

	
	/**
	 * Sets the table prefix used by the simple select, insert, update and delete functions

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	function set_table_prefix($prefix)
	{
		$this->table_prefix = $prefix;

 
	function set_table_prefix($prefix)
	{
		$this->table_prefix = $prefix;

	}

	}

	
	/**
	 * Fetched the total size of all mysql tables or a specific table

	
	/**
	 * Fetched the total size of all mysql tables or a specific table

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	function fetch_size($table='')
	{
		global $config, $lang;

 
	function fetch_size($table='')
	{
		global $config, $lang;

		

		

		$total = @filesize($config['database']['database']);
		if(!$total || $table != '')
		{
			$total = $lang->na;

 
		$total = @filesize($config['database']['database']);
		if(!$total || $table != '')
		{
			$total = $lang->na;

		}

		}

		return $total;
	}
	

		return $total;
	}

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	 * @param string The table (optional)
	 * @return integer the total size of all mysql tables or a specific table
	 */

 
	 * @param string The table (optional)
	 * @return integer the total size of all mysql tables or a specific table
	 */

	function alter_table_parse($table, $alterdefs)

	function alter_table_parse($table, $alterdefs, $fullquery="")

	{

 
	{

 
		if(!$fullquery)
		{
			$fullquery = " ... {$alterdefs}";
		}
		
		if(!defined("TIME_NOW"))
		{
			define("TIME_NOW", time());
		}
		

		if($alterdefs != '')
		{
			$result = $this->query("SELECT sql,name,type FROM sqlite_master WHERE tbl_name = '{$table}' ORDER BY type DESC");

		if($alterdefs != '')
		{
			$result = $this->query("SELECT sql,name,type FROM sqlite_master WHERE tbl_name = '{$table}' ORDER BY type DESC");

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							}
							else
							{

 
							}
							else
							{

								$this->error($alterdefs, 'unknown column "'.$defparts[1].'" in "'.$table.'"', E_USER_WARNING);

								$this->error($fullquery, 'unknown column "'.$defparts[1].'" in "'.$table.'"', E_USER_WARNING);

								return false;
							}
							break;
						case 'drop':
							if(sizeof($defparts) < 2)
							{

 
								return false;
							}
							break;
						case 'drop':
							if(sizeof($defparts) < 2)
							{

								$this->error($alterdefs, 'near "'.$defparts[0].($defparts[1] ? ' '.$defparts[1] : '').'": syntax error');

								$this->error($fullquery, 'near "'.$defparts[0].($defparts[1] ? ' '.$defparts[1] : '').'": syntax error');

								return false;
							}
							

								return false;
							}

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							}
							else
							{

 
							}
							else
							{

								$this->error($alterdefs, 'unknown column "'.$defparts[1].'" in "'.$table.'"');

								$this->error($fullquery, 'unknown column "'.$defparts[1].'" in "'.$table.'"');

								return false;
							}
							break;
						default:

 
								return false;
							}
							break;
						default:

							$this->error($alterdefs, 'near "'.$prevword.'": syntax error');

							$this->error($fullquery, 'near "'.$prevword.'": syntax error');

							return false;
					}
					

							return false;
					}

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			}
			else
			{

 
			}
			else
			{

				$this->error($alterdefs, 'no such table: '.$table);

				$this->error($fullquery, 'no such table: '.$table);

				return false;
			}
			return true;

				return false;
			}
			return true;