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references.go
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references.go
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package gitquery
import (
"gopkg.in/src-d/go-mysql-server.v0/sql"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/storer"
)
type referencesTable struct {
pool *RepositoryPool
}
func newReferencesTable(pool *RepositoryPool) sql.Table {
return &referencesTable{pool: pool}
}
func (referencesTable) Resolved() bool {
return true
}
func (referencesTable) Name() string {
return referencesTableName
}
func (referencesTable) Schema() sql.Schema {
return sql.Schema{
{Name: "name", Type: sql.Text, Nullable: false},
{Name: "type", Type: sql.Text, Nullable: false},
{Name: "hash", Type: sql.Text, Nullable: true},
{Name: "target", Type: sql.Text, Nullable: true},
{Name: "is_branch", Type: sql.Boolean, Nullable: false},
{Name: "is_note", Type: sql.Boolean, Nullable: false},
{Name: "is_remote", Type: sql.Boolean, Nullable: false},
{Name: "is_tag", Type: sql.Boolean, Nullable: false},
}
}
func (r *referencesTable) TransformUp(f func(sql.Node) sql.Node) sql.Node {
return f(r)
}
func (r *referencesTable) TransformExpressionsUp(f func(sql.Expression) sql.Expression) sql.Node {
return r
}
func (r referencesTable) RowIter() (sql.RowIter, error) {
iter := &referenceIter{}
repoIter, err := NewRowRepoIter(r.pool, iter)
if err != nil {
return nil, err
}
return repoIter, nil
}
func (referencesTable) Children() []sql.Node {
return []sql.Node{}
}
type referenceIter struct {
iter storer.ReferenceIter
}
func (i *referenceIter) NewIterator(repo *Repository) (RowRepoIter, error) {
iter, err := repo.Repo.References()
if err != nil {
return nil, err
}
return &referenceIter{iter: iter}, nil
}
func (i *referenceIter) Next() (sql.Row, error) {
o, err := i.iter.Next()
if err != nil {
return nil, err
}
return referenceToRow(o), nil
}
func (i *referenceIter) Close() error {
if i.iter != nil {
i.iter.Close()
}
return nil
}
func referenceToRow(c *plumbing.Reference) sql.Row {
var (
target, hash interface{}
refType string
)
switch c.Type() {
case plumbing.SymbolicReference:
target = c.Target().String()
refType = "symbolic-reference"
case plumbing.HashReference:
hash = c.Hash().String()
refType = "hash-reference"
case plumbing.InvalidReference:
refType = "invalid-reference"
}
return sql.NewRow(
c.Name().String(),
refType,
hash,
target,
c.Name().IsBranch(),
c.Name().IsNote(),
c.Name().IsRemote(),
c.Name().IsTag(),
)
}