Statements

Statements in EdgeQL are a kind of an expression that has one or more clauses and is used to retrieve or modify data in a database.

Query statements:

• SELECT

  Retrieve data from a database and compute arbitrary expressions.

• FOR

  Compute an expression for every element of an input set and concatenate the results.

Data modification statements:

• INSERT

  Create new object in a database.

• UPDATE

  Update objects in a database.

• DELETE

  Remove objects from a database.

Transaction control statements:

• START TRANSACTION

  Start a transaction.

• COMMIT

  Commit the current transaction.

• ROLLBACK

  Abort the current transaction.

• DECLARE SAVEPOINT

  Declare a savepoint within the current transaction.

• ROLLBACK TO SAVEPOINT

  Rollback to a savepoint within the current transaction.

• RELEASE SAVEPOINT

  Release a previously declared savepoint.

Session state control statements:

• SET ALIAS and RESET ALIAS.

Introspection command:

• DESCRIBE.