Method insert

dialect/sql/sqlgraph/graph.go:1460–1476

insert a node to its table and sets its ID if it was not provided by the user.

(ctx context.Context, insert *sql.InsertBuilder)

// insert a node to its table and sets its ID if it was not provided by the user.
func (c *creator) insert(ctx context.Context, insert *sql.InsertBuilder) error {
	c.ensureConflict(insert)
	// If the id field was provided by the user.
	if c.ID.Value != nil {
		insert.Set(c.ID.Column, c.ID.Value)
		// In case of "ON CONFLICT", the record may exist in the
		// database, and we need to get back the database id field.
		if len(c.CreateSpec.OnConflict) == 0 {
			query, args, err := insert.QueryErr()
			if err != nil {
				return err
			}
			return c.tx.Exec(ctx, query, args, nil)
		}
	}
	return c.insertLastID(ctx, insert.Returning(c.ID.Column))
}

// ensureConflict ensures the ON CONFLICT is added to the insert statement.
func (c *creator) ensureConflict(insert *sql.InsertBuilder) {