/usr/share/gocode/src/github.com/hashicorp/go-memdb/schema.go is in golang-github-hashicorp-go-memdb-dev 0.0~git20170123.0.c01f56b-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | package memdb
import "fmt"
// DBSchema contains the full database schema used for MemDB
type DBSchema struct {
Tables map[string]*TableSchema
}
// Validate is used to validate the database schema
func (s *DBSchema) Validate() error {
if s == nil {
return fmt.Errorf("missing schema")
}
if len(s.Tables) == 0 {
return fmt.Errorf("no tables defined")
}
for name, table := range s.Tables {
if name != table.Name {
return fmt.Errorf("table name mis-match for '%s'", name)
}
if err := table.Validate(); err != nil {
return err
}
}
return nil
}
// TableSchema contains the schema for a single table
type TableSchema struct {
Name string
Indexes map[string]*IndexSchema
}
// Validate is used to validate the table schema
func (s *TableSchema) Validate() error {
if s.Name == "" {
return fmt.Errorf("missing table name")
}
if len(s.Indexes) == 0 {
return fmt.Errorf("missing table indexes for '%s'", s.Name)
}
if _, ok := s.Indexes["id"]; !ok {
return fmt.Errorf("must have id index")
}
if !s.Indexes["id"].Unique {
return fmt.Errorf("id index must be unique")
}
if _, ok := s.Indexes["id"].Indexer.(SingleIndexer); !ok {
return fmt.Errorf("id index must be a SingleIndexer")
}
for name, index := range s.Indexes {
if name != index.Name {
return fmt.Errorf("index name mis-match for '%s'", name)
}
if err := index.Validate(); err != nil {
return err
}
}
return nil
}
// IndexSchema contains the schema for an index
type IndexSchema struct {
Name string
AllowMissing bool
Unique bool
Indexer Indexer
}
func (s *IndexSchema) Validate() error {
if s.Name == "" {
return fmt.Errorf("missing index name")
}
if s.Indexer == nil {
return fmt.Errorf("missing index function for '%s'", s.Name)
}
switch s.Indexer.(type) {
case SingleIndexer:
case MultiIndexer:
default:
return fmt.Errorf("indexer for '%s' must be a SingleIndexer or MultiIndexer", s.Name)
}
return nil
}
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