| Textpattern | PHP Cross Reference | Content Management Systems |
Description: Database abstraction layer.
| Included or required: | 0 times |
| Referenced: | 0 times |
| Includes or requires: | 0 files |
DB:: (45 methods):
__construct()
safe_pfx()
safe_pfx_j()
safe_escape()
safe_escape_like()
safe_query()
safe_delete()
safe_update()
safe_insert()
safe_upsert()
safe_alter()
safe_lock()
safe_unlock()
safe_index()
safe_create_index()
safe_drop_index()
safe_optimize()
safe_repair()
safe_truncate()
safe_drop()
safe_create()
safe_rename()
safe_field()
safe_column()
safe_column_num()
safe_row()
safe_rows()
safe_rows_start()
safe_count()
safe_show()
fetch()
getRow()
getRows()
startRows()
nextRow()
numRows()
getThing()
getThings()
getCount()
getTree()
getTreePath()
rebuild_tree()
rebuild_tree_full()
db_down()
now()
Initialises a database connection.
| __construct() line: 160 |
| Creates a new link. |
| safe_pfx($table) line: 247 |
| Prefixes a database table's name for use in a query. Textpattern can be installed to a shared database, this is achieved by prefixing database tables. This function can be used to add those prefixes to a known named table when building SQL statements. Always use this function, or the safe_pfx_j(), when you refer tables in raw SQL statements, including where clauses, joins and sub-queries. This function will also quote the table name if necessary. You don't need to use this function in any of the dedicated "table" parameters database functions offer. Any table used in a table parameter is prefixed for you. return: string The $table with a prefix param: string $table The database table |
| safe_pfx_j($table) line: 285 |
| Prefixes a database table's name for use in a joined query. This function prefixes the given table name similarly to safe_pfx(), but also creates a named, unprefixed, AS alias for it. The created alias is same as the table name given. This function is here to help to make joined queries where you need to refer to two or more tables in a one query. As with safe_pfx(), you don't need to use this function in any of the dedicated "table" parameters database functions offer. Any table used in a table parameter is prefixed for you. return: string The $table with a prefix param: string $table The database table, or comma-separated list of tables |
| safe_escape($in = '') line: 326 |
| Escapes special characters in a string for use in an SQL statement. return: string param: string $in The input string |
| safe_escape_like($in = '') line: 347 |
| Escape LIKE pattern's wildcards in a string for use in an SQL statement. return: string param: string $in The input string |
| safe_query($q = '', $debug = false, $unbuf = false) line: 370 |
| Executes an SQL statement. return: mixed param: string $q The SQL statement to execute param: bool $debug Dump query param: bool $unbuf If TRUE, executes the statement without fetching and buffering the results |
| safe_delete($table, $where, $debug = false) line: 419 |
| Deletes a row from a table. return: bool FALSE on error param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| safe_update($table, $set, $where, $debug = false) line: 440 |
| Updates a table row. return: bool FALSE on error param: string $table The table param: string $set The set clause param: string $where The where clause param: bool $debug Dump query |
| safe_insert($table, $set, $debug = false) line: 462 |
| Inserts a new row into a table. return: int|bool The last generated ID or FALSE on error. If the ID is 0, returns TRUE param: string $table The table param: string $set The set clause param: bool $debug Dump query |
| safe_upsert($table, $set, $where, $debug = false) line: 492 |
| Inserts a new row, or updates an existing if a matching row is found. return: int|bool The last generated ID or FALSE on error. If the ID is 0, returns TRUE param: string $table The table param: string $set The set clause param: string $where The where clause param: bool $debug Dump query |
| safe_alter($table, $alter, $debug = false) line: 520 |
| Changes the structure of a table. return: bool FALSE on error param: string $table The table param: string $alter The statement to execute param: bool $debug Dump query |
| safe_lock($table, $type = 'write', $debug = false) line: 539 |
| Locks a table. The $table argument accepts comma-separated list of table names, if you need to lock multiple tables at once. return: bool TRUE if the tables are locked param: string $table The table param: string $type The lock type param: bool $debug Dump the query |
| safe_unlock($debug = false) line: 562 |
| Unlocks tables. return: bool TRUE if tables aren't locked param: bool $debug Dump the query |
| safe_index($table, $index, $debug = false) line: 580 |
| Gets an array of information about an index. return: array|bool Array of information about the index, or FALSE on error param: string $table The table param: string $index The index param: bool $debug Dump the query |
| safe_create_index($table, $columns, $name, $index = '', $type = '', $debug = false) line: 610 |
| Creates an index. return: bool TRUE if index exists param: string $table The table param: string $columns Indexed columns param: string $name The name param: string $index The index. Either 'unique', 'fulltext', 'spatial' (default = standard index) param: string $type The index type param: bool $debug Dump the query |
| safe_drop_index($table, $index, $debug = false) line: 643 |
| Removes an index. return: bool TRUE if the index no longer exists param: string $table The table param: string $index The index param: bool $debug Dump the query |
| safe_optimize($table, $debug = false) line: 673 |
| Optimises a table. return: bool FALSE on error param: string $table The table param: bool $debug Dump query |
| safe_repair($table, $debug = false) line: 691 |
| Repairs a table. return: bool FALSE on error param: string $table The table param: bool $debug Dump query |
| safe_truncate($table, $debug = false) line: 709 |
| Truncates a table. Running this function empties a table completely, resets indexes and the auto increment value. return: bool TRUE if the table is empty param: string $table The table param: bool $debug Dump query |
| safe_drop($table, $debug = false) line: 732 |
| Removes a table. This function removes all data and definitions associated with a table. return: bool TRUE if the table no longer exists param: string $table The table param: bool $debug Dump query |
| safe_create($table, $definition, $options = '', $debug = false) line: 753 |
| Creates a table. Creates a table with the given name. This table will be created with identical properties to core tables, ensuring the best possible compatibility. return: bool TRUE if table exists param: string $table The table param: string $definition The create definition param: string $options Table options param: bool $debug Dump the query |
| safe_rename($table, $newname, $debug = false) line: 785 |
| Renames a table. return: bool FALSE on error param: string $table The table param: string $newname The new name param: bool $debug Dump the query |
| safe_field($thing, $table, $where, $debug = false) line: 800 |
| Gets a field from a row. If the query results in multiple matches, the first row returned is used. return: mixed The field or FALSE on error param: string $thing The field param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| safe_column($thing, $table, $where, $debug = false) line: 832 |
| Gets a list of values from a table's column. return: array param: string $thing The column param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| safe_column_num($thing, $table, $where, $debug = false) line: 859 |
| Fetch a column as an numeric array. return: array Numeric array of column values param: string $thing The field param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| safe_row($things, $table, $where, $debug = false) line: 886 |
| Gets a row from a table as an associative array. return: array param: string $things The select clause param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| safe_rows($things, $table, $where, $debug = false) line: 916 |
| Gets a list rows from a table as an associative array. When working with large result sets remember that this function, unlike safe_rows_start(), loads results to memory all at once. To optimise performance in such situations, use safe_rows_start() instead. return: array Returns an empty array if no mathes are found param: string $things The select clause param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| safe_rows_start($things, $table, $where, $debug = false) line: 951 |
| Selects rows from a table and returns result as a resource. return: resource|bool A result resouce or FALSE on error param: string $things The select clause param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| safe_count($table, $where, $debug = false) line: 978 |
| Counts number of rows in a table. return: int|bool Number of rows or FALSE on error param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| safe_show($thing, $table, $debug = false) line: 997 |
| Shows information about a table. return: array param: string $thing The information to show, e.g. "index", "columns" param: string $table The table param: bool $debug Dump query |
| fetch($col, $table, $key, $val, $debug = false) line: 1020 |
| Gets a field from a row. This function offers an alternative short-hand syntax to safe_field(). Most notably, this internally manages value escaping. return: mixed The field or FALSE on error param: string $col The field to get param: string $table The table param: string $key The searched field param: string $val The searched value param: bool $debug Dump query |
| getRow($query, $debug = false) line: 1056 |
| Gets a row as an associative array. return: array|bool The row's values or FALSE on error param: string $query The SQL statement to execute param: bool $debug Dump query |
| getRows($query, $debug = false) line: 1077 |
| Gets multiple rows as an associative array. If you need to run simple SELECT queries that select rows from a table, please see safe_rows() and safe_rows_start() first. return: array|bool The rows or FALSE on error param: string $query The SQL statement to execute param: bool $debug Dump query |
| startRows($query, $debug = false) line: 1111 |
| Executes an SQL statement and returns results. This function is indentical to safe_query() apart from the missing $unbuf argument. return: mixed param: string $query The SQL statement to execute param: bool $debug Dump query |
| nextRow($r) line: 1129 |
| Gets a next row as an associative array from a result resource. The function will free up memory reserved by the result resource if called after the last row. return: array|bool The row, or FALSE if there are no more rows param: resource $r The result resource |
| numRows($r) line: 1159 |
| Gets the number of rows in a result resource. return: int|bool The number of rows or FALSE on error param: resource $r The result resource |
| getThing($query, $debug = false) line: 1177 |
| Gets the contents of a single cell from a resource set. return: string|bool The contents, empty if no results were found or FALSE on error param: string $query The SQL statement to execute param: bool $debug Dump query |
| getThings($query, $debug = false) line: 1201 |
| Return values of one column from multiple rows in a num indexed array. return: array param: string $query The SQL statement to execute param: bool $debug Dump query |
| getCount($table, $where, $debug = false) line: 1224 |
| Counts number of rows in a table. This function is identical to safe_count(). return: int|bool Number of rows or FALSE on error param: string $table The table param: string $where The where clause param: bool $debug Dump query |
| getTree($root, $type, $where = "1 = 1", $tbl = 'txp_category') line: 1242 |
| Gets a tree structure. This function is used by categories. return: array param: string $root The root param: string $type The type param: string $where The where clause param: string $tbl The table |
| getTreePath($target, $type, $tbl = 'txp_category') line: 1302 |
| Gets a tree path up to a target. This function is used by categories. return: array param: string $target The target param: string $type The category type param: string $tbl The table |
| rebuild_tree($parent, $left, $type, $tbl = 'txp_category') line: 1357 |
| Rebuilds a nested tree set. This function is used by categories. return: int The next left ID param: string $parent The parent param: string $left The left ID param: string $type The category type param: string $tbl The table |
| rebuild_tree_full($type, $tbl = 'txp_category') line: 1393 |
| Rebuilds a tree. This function is used by categories. return: int The next left ID param: string $type The category type param: string $tbl The table |
| db_down() line: 1411 |
| Returns an error page. This function is used to return a bailout page when resolving database connections fails. Sends a HTTP 503 error status and displays the last logged MySQL error message. return: string HTML5 document |
| now($type, $update = false) line: 1449 |
| Replacement for SQL NOW() This function can be used when constructing SQL SELECT queries as a replacement for the NOW() function to allow the SQL server to cache the queries. Should only be used when comparing with the Posted or Expired columns from the textpattern (articles) table or the Created column from the txp_file table. return: string SQL query string partial param: string $type Column name, lower case (one of 'posted', 'expires', 'created') param: bool $update Force update |
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