// CreateTable creates a table.
// Privileges: CREATE on database.
// Notes: postgres/mysql require CREATE on database.
func (p *planner) CreateTable(n *parser.CreateTable) (planNode, *roachpb.Error) {
if err := n.Table.NormalizeTableName(p.session.Database); err != nil {
return nil, roachpb.NewError(err)
}
dbDesc, pErr := p.getDatabaseDesc(n.Table.Database())
if pErr != nil {
return nil, pErr
}
if err := p.checkPrivilege(dbDesc, privilege.CREATE); err != nil {
return nil, roachpb.NewError(err)
}
desc, err := makeTableDesc(n, dbDesc.ID)
if err != nil {
return nil, roachpb.NewError(err)
}
// Inherit permissions from the database descriptor.
desc.Privileges = dbDesc.GetPrivileges()
if len(desc.PrimaryIndex.ColumnNames) == 0 {
// Ensure a Primary Key exists.
s := "unique_rowid()"
col := ColumnDescriptor{
Name: "rowid",
Type: ColumnType{
Kind: ColumnType_INT,
},
DefaultExpr: &s,
Hidden: true,
Nullable: false,
}
desc.AddColumn(col)
idx := IndexDescriptor{
Unique: true,
ColumnNames: []string{col.Name},
ColumnDirections: []IndexDescriptor_Direction{IndexDescriptor_ASC},
}
if err := desc.AddIndex(idx, true); err != nil {
return nil, roachpb.NewError(err)
}
}
if err := desc.AllocateIDs(); err != nil {
return nil, roachpb.NewError(err)
}
created, pErr := p.createDescriptor(tableKey{dbDesc.ID, n.Table.Table()}, &desc, n.IfNotExists)
if pErr != nil {
return nil, pErr
}
if created {
// Log Create Table event.
if pErr := MakeEventLogger(p.leaseMgr).InsertEventRecord(p.txn,
EventLogCreateTable,
int32(desc.ID),
int32(p.evalCtx.NodeID),
struct {
TableName string
Statement string
User string
}{n.Table.String(), n.String(), p.session.User},
); pErr != nil {
return nil, pErr
}
}
return &emptyNode{}, nil
}
