Query
abstract class Query
Base class for query builders.
Note that query builders use PHP's magic __toString() method to compile the query object into a prepared statement.
Hierarchy
- class \Query implements QueryPlaceholderInterface
Expanded class hierarchy of Query
Related topics
File
- includes/database/query.inc, line 275
- Non-specific Database query code. Used by all engines.
Members
Name | Modifiers | Type | Description |
---|---|---|---|
Query::$comments | protected | property | An array of comments that can be prepended to a query. |
Query::$connection | protected | property | The connection object on which to run this query. |
Query::$connectionKey | protected | property | The key of the connection object. |
Query::$connectionTarget | protected | property | The target of the connection object. |
Query::$nextPlaceholder | protected | property | The placeholder counter. |
Query::$queryOptions | protected | property | The query options to pass on to the connection object. |
Query::$uniqueIdentifier | protected | property | A unique identifier for this query object. |
Query::comment | public | function | Adds a comment to the query. |
Query::execute | abstract protected | function | Runs the query against the database. |
Query::getComments | public | function | Returns a reference to the comments array for the query. |
Query::nextPlaceholder | public | function | Gets the next placeholder value for this query object. Overrides QueryPlaceholderInterface::nextPlaceholder |
Query::uniqueIdentifier | public | function | Returns a unique identifier for this object. Overrides QueryPlaceholderInterface::uniqueIdentifier |
Query::__clone | public | function | Implements the magic __clone function. |
Query::__construct | public | function | Constructs a Query object. |
Query::__sleep | public | function | Implements the magic __sleep function to disconnect from the database. |
Query::__toString | abstract public | function | Implements PHP magic __toString method to convert the query to a string. |
Query::__wakeup | public | function | Implements the magic __wakeup function to reconnect to the database. |
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https://api.drupal.org/api/drupal/includes!database!query.inc/class/Query/7.x