class DatabaseStatementPrefetch
An implementation of DatabaseStatementInterface that prefetches all data.
This class behaves very similar to a PDOStatement but as it always fetches every row it is possible to manipulate those results.
Hierarchy
- class \DatabaseStatementPrefetch implements \Iterator, DatabaseStatementInterface
Expanded class hierarchy of DatabaseStatementPrefetch
Related topics
File
- includes/database/prefetch.inc, line 22
- Database interface code for engines that need complete control over their result sets. For example, SQLite will prefix some column names by the name of the table. We post-process the data, by renaming the column names using the same convention as…
Members
| Name | Modifiers | Type | Description |
|---|---|---|---|
| DatabaseStatementPrefetch::$columnNames | protected | property | The list of column names in this result set. |
| DatabaseStatementPrefetch::$currentKey | protected | property | The key of the current row. |
| DatabaseStatementPrefetch::$currentRow | protected | property | The current row, retrieved in PDO::FETCH_ASSOC format. |
| DatabaseStatementPrefetch::$data | protected | property | Main data store. |
| DatabaseStatementPrefetch::$dbh | public | property | Reference to the database connection object for this statement. |
| DatabaseStatementPrefetch::$defaultFetchOptions | protected | property | Holds supplementary default fetch options. |
| DatabaseStatementPrefetch::$defaultFetchStyle | protected | property | Holds the default fetch style. |
| DatabaseStatementPrefetch::$driverOptions | protected | property | Driver-specific options. Can be used by child classes. |
| DatabaseStatementPrefetch::$fetchOptions | protected | property | Holds supplementary current fetch options (which will be used by the next fetch). |
| DatabaseStatementPrefetch::$fetchStyle | protected | property | Holds the current fetch style (which will be used by the next fetch). |
| DatabaseStatementPrefetch::$queryString | protected | property | The query string. |
| DatabaseStatementPrefetch::$resultRowCount | protected | property | The number of rows in this result set. |
| DatabaseStatementPrefetch::$rowCount | protected | property | The number of rows affected by the last query. |
| DatabaseStatementPrefetch::current | public | function | Return the current row formatted according to the current fetch style. |
| DatabaseStatementPrefetch::execute | public | function | Executes a prepared statement. Overrides DatabaseStatementInterface::execute |
| DatabaseStatementPrefetch::fetch | public | function | |
| DatabaseStatementPrefetch::fetchAll | public | function | |
| DatabaseStatementPrefetch::fetchAllAssoc | public | function | Returns the result set as an associative array keyed by the given field. Overrides DatabaseStatementInterface::fetchAllAssoc |
| DatabaseStatementPrefetch::fetchAllKeyed | public | function | Returns the entire result set as a single associative array. Overrides DatabaseStatementInterface::fetchAllKeyed |
| DatabaseStatementPrefetch::fetchAssoc | public | function | Fetches the next row and returns it as an associative array. Overrides DatabaseStatementInterface::fetchAssoc |
| DatabaseStatementPrefetch::fetchCol | public | function | Returns an entire single column of a result set as an indexed array. Overrides DatabaseStatementInterface::fetchCol |
| DatabaseStatementPrefetch::fetchColumn | public | function | |
| DatabaseStatementPrefetch::fetchField | public | function | Returns a single field from the next record of a result set. Overrides DatabaseStatementInterface::fetchField |
| DatabaseStatementPrefetch::fetchObject | public | function | |
| DatabaseStatementPrefetch::getQueryString | public | function | Return the object's SQL query string. Overrides DatabaseStatementInterface::getQueryString |
| DatabaseStatementPrefetch::getStatement | protected | function | Grab a PDOStatement object from a given query and its arguments. |
| DatabaseStatementPrefetch::key | public | function | |
| DatabaseStatementPrefetch::next | public | function | |
| DatabaseStatementPrefetch::rewind | public | function | |
| DatabaseStatementPrefetch::rowCount | public | function | Returns the number of rows affected by the last SQL statement. Overrides DatabaseStatementInterface::rowCount |
| DatabaseStatementPrefetch::setFetchMode | public | function | |
| DatabaseStatementPrefetch::throwPDOException | protected | function | Throw a PDO Exception based on the last PDO error. |
| DatabaseStatementPrefetch::valid | public | function | |
| DatabaseStatementPrefetch::__construct | public | function |
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