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Name Type Location Description
DatabaseConnection_mysql class core/includes/database/mysql/database.inc MySQL database connection driver.
DatabaseConnection::$pdo property core/includes/database/database.inc The PDO object that is used for running database queries.
DatabaseSchema::addField function core/includes/database/schema.inc Add a new field to a table.
DatabaseCharsetConverter class core/includes/database/charset_converter.inc Character set converter for database tables.
DatabaseSchema::addIndex function core/includes/database/schema.inc Add an index.
DatabaseLog::__construct function core/includes/database/log.inc Constructor.
database_example.install file modules/examples/database_example/database_example.install Install, update, and uninstall functions for the Database Example module.
database_example_install function modules/examples/database_example/database_example.install Implements hook_install().
database_example_form_add function modules/examples/database_example/database_example.module Prepares a simple form to add an entry, with all the interesting fields.
simpletest_clean_database function core/modules/simpletest/simpletest.module Removed prefixed tables from the database that are left over from crashed tests.
DatabaseInsertLOBTestCase class core/modules/simpletest/tests/database_test.test Insert tests using LOB fields, which are weird on some databases.
hook_telemetry_data_alter function core/modules/telemetry/telemetry.api.php Alter the complete list of values collected by Telemetry before sending.
BackupMySql::databaseInfo function core/includes/backup/backup.mysql.inc Get the version info for the given database.
BackupMySql::getTableData function core/includes/backup/backup.mysql.inc Get a list of table and view data from the database.
DatabaseUpdateLOBTestCase class core/modules/simpletest/tests/database_test.test Test update queries involving LOB values.
FileUnmanagedSaveDataTest class core/modules/simpletest/tests/file.test Tests the file_unmanaged_save_data() function.
DatabaseConnection::query function core/includes/database/database.inc Executes a query string against the database.
DatabaseConnection::merge function core/includes/database/database.inc Prepares and returns a MERGE query object.
DatabaseCondition::isNull function core/includes/database/query.inc Sets a condition that the specified field be NULL.
DatabaseCondition::exists function core/includes/database/query.inc Sets a condition that the specified subquery returns values.
Database::RETURN_AFFECTED constant core/includes/database/database.inc Flag to indicate a query call should return the number of affected rows.
Database::closeConnection function core/includes/database/database.inc Closes a connection to the server specified by the given key and target.
DatabaseTransaction::name function core/includes/database/database.inc Retrieves the name of the transaction or savepoint.
DatabaseTasks::$pdoDriver property core/includes/install.inc The PDO driver name for MySQL and equivalent databases.
DatabaseNotFoundException class core/includes/database/database.inc Exception thrown when the specified database cannot be found.
system_get_files_database function core/modules/system/system.module Retrieves the current status of an array of files in the system table.
drupal_get_database_types function core/includes/drupal.inc Returns all supported database installer objects that are compiled into PHP.
system_rebuild_theme_data function core/modules/system/system.module Rebuild, save, and return data about all currently available themes.
database_test_query_alter function core/modules/simpletest/tests/database_test.module Implements hook_query_alter().
hook_config_data_validate function core/modules/config/config.api.php Validate a configuration before saving it.
BackupDatabase::typeLabel function core/includes/backup/backup.database.inc The translated name of the backup type.
DatabaseTasks_mysql::name function core/includes/database/mysql/install.inc Returns a human-readable name string for MySQL and equivalent databases.
DRUPAL_BOOTSTRAP_DATABASE constant core/includes/drupal.inc
DatabaseConnection::quote function core/includes/database/database.inc Provides a wrapper for the quote() function from the PDO object.
FieldViewsDataTest::setUp function core/modules/field/tests/field_views.test Sets up a Backdrop site for running functional and integration tests.
DatabaseSchema::dropTable function core/includes/database/schema.inc Drop a table.
DatabaseSchema::dropField function core/includes/database/schema.inc Drop a field.
taxonomy_views_data_alter function core/modules/taxonomy/views/taxonomy.views.inc Implements hook_views_data_alter().
taxonomy_field_views_data function core/modules/taxonomy/views/taxonomy.views.inc Implements hook_field_views_data().
_update_build_layout_data function core/modules/update/update.compare.inc Helper function to scan and collect layout data.
DatabaseSchema::dropIndex function core/includes/database/schema.inc Drop an index.
DatabaseStatementPrefetch class core/includes/database/prefetch.inc An implementation of DatabaseStatementInterface that prefetches all data.
ViewsModuleTest::viewsData function core/modules/views/tests/views_module.test The views data definition.
Database abstraction layer group core/includes/database/database.inc Allow the use of different database servers using the same code base.
update_fetch_data_finished function core/modules/update/update.fetch.inc Batch callback: Performs actions when all fetch tasks have been completed.
DatabaseConnection::setKey function core/includes/database/database.inc Tells this connection object what its key is.
DatabaseConnection::getKey function core/includes/database/database.inc Returns the key this connection is associated with.
DatabaseConnection::select function core/includes/database/database.inc Prepares and returns a SELECT query object.
DatabaseConnection::insert function core/includes/database/database.inc Prepares and returns an INSERT query object.
DatabaseConnection::update function core/includes/database/database.inc Prepares and returns an UPDATE query object.

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