Method read

node.go:162–174

read initializes the node from a page.

(p *common.Page)

// read initializes the node from a page.
func (n *node) read(p *common.Page) {
	n.pgid = p.Id()
	n.isLeaf = p.IsLeafPage()
	n.inodes = common.ReadInodeFromPage(p)

	// Save first key, so we can find the node in the parent when we spill.
	if len(n.inodes) > 0 {
		n.key = n.inodes[0].Key()
		common.Assert(len(n.key) > 0, "read: zero-length node key")
	} else {
		n.key = nil
	}
}

// write writes the items onto one or more pages.
// The page should have p.id (might be 0 for meta or bucket-inline page) and p.overflow set