func (*testSuite) TestT(c *C) {
var ident = ast.Ident{
Name: model.NewCIStr("t"),
}
c.Assert(ident.String(), Not(Equals), "")
driver := localstore.Driver{Driver: goleveldb.MemoryDriver{}}
store, err := driver.Open("memory")
c.Assert(err, IsNil)
se, err := tidb.CreateSession(store)
c.Assert(err, IsNil)
ctx := se.(context.Context)
db.BindCurrentSchema(ctx, "test")
fullIdent := ident.Full(ctx)
c.Assert(fullIdent.Schema.L, Equals, "test")
c.Assert(fullIdent.Name.L, Equals, "t")
c.Assert(fullIdent.String(), Not(Equals), "")
fullIdent2 := fullIdent.Full(ctx)
c.Assert(fullIdent2.Schema.L, Equals, fullIdent.Schema.L)
}
func (e *DDLExec) executeDropTable(s *ast.DropTableStmt) error {
var notExistTables []string
for _, tn := range s.Tables {
fullti := ast.Ident{Schema: tn.Schema, Name: tn.Name}
schema, ok := e.is.SchemaByName(tn.Schema)
if !ok {
// TODO: we should return special error for table not exist, checking "not exist" is not enough,
// because some other errors may contain this error string too.
notExistTables = append(notExistTables, fullti.String())
continue
}
tb, err := e.is.TableByName(tn.Schema, tn.Name)
if err != nil && strings.HasSuffix(err.Error(), "not exist") {
notExistTables = append(notExistTables, fullti.String())
continue
} else if err != nil {
return errors.Trace(err)
}
// Check Privilege
privChecker := privilege.GetPrivilegeChecker(e.ctx)
hasPriv, err := privChecker.Check(e.ctx, schema, tb.Meta(), mysql.DropPriv)
if err != nil {
return errors.Trace(err)
}
if !hasPriv {
return errors.Errorf("You do not have the privilege to drop table %s.%s.", tn.Schema, tn.Name)
}
err = sessionctx.GetDomain(e.ctx).DDL().DropTable(e.ctx, fullti)
if infoschema.ErrDatabaseNotExists.Equal(err) || infoschema.ErrTableNotExists.Equal(err) {
notExistTables = append(notExistTables, fullti.String())
} else if err != nil {
return errors.Trace(err)
}
}
if len(notExistTables) > 0 && !s.IfExists {
return infoschema.ErrTableDropExists.Gen("DROP TABLE: table %s does not exist", strings.Join(notExistTables, ","))
}
return nil
}