How to create an insert query in Drupal?
Insert queries are started using the db_insert() function as follows: $query = db_insert(‘node’, $options); That creates an insert query object that will insert one or more records to the node table. Note that braces are not required around the table name as the query builder will handle that automatically.
How to insert multiple records into Drupal database?
$options : An array of options to control how the query operates. InsertQuery A new InsertQuery object for this connection. Allow the use of different database servers using the same code base. Test that we can insert multiple records in one query object. Test that an insert object can be reused with new data after it executes.
How to insert last ID in Drupal database?
If you have an auto increment field, you can use this code to get last id inserted: Remember that Drupal Database Connections are PDO Connections, so you can use PDO::lastInsertId () Return value of the db_insert function is the auto-increment field’s value.
How are INSERT statements executed in MySQL database?
Exactly how that happens will depend on the capabilities of the database in question. On most databases, multiple insert statements will be executed together inside a transaction for greater data integrity and speed. In MySQL, it will use MySQL’s multi-value insert syntax.
When to use Drupal write record or DB _ insert?
When use drupal_write_record it calls drupal_get_schema to know wich fields are gonna be inserted, if the custom module have a field that is not in hook_schema ( ex: a field that was added after using db_add_field in a hook_update_N ) drupal_write_record will ignore it so the better recommended is use db_insert.
Is the return value of execute undefined in Drupal?
If there is no auto-increment field, the return value from execute () is undefined and should not be trusted. In the typical case, this is the preferred format for Insert queries. This is the somewhat more verbose equivalent of the previous query, and will have the exact same result.