surrealpatch/db/define.go
2016-07-04 11:37:29 +01:00

148 lines
3.4 KiB
Go

// Copyright © 2016 Abcum Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package db
import (
"github.com/abcum/surreal/sql"
"github.com/abcum/surreal/util/data"
"github.com/abcum/surreal/util/keys"
)
func executeDefineTableStatement(ast *sql.DefineTableStatement) (out []interface{}, err error) {
txn, err := db.Txn(true)
if err != nil {
return
}
defer txn.Rollback()
for _, TB := range ast.What {
// Set the database definition
dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
if err := txn.Put(dkey.Encode(), nil); err != nil {
return nil, err
}
// Set the table definition
tkey := &keys.TB{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB}
if err := txn.Put(tkey.Encode(), nil); err != nil {
return nil, err
}
}
txn.Commit()
return
}
func executeDefineFieldStatement(ast *sql.DefineFieldStatement) (out []interface{}, err error) {
txn, err := db.Txn(true)
if err != nil {
return
}
defer txn.Rollback()
doc := data.New()
doc.Set(ast.Name, "name")
doc.Set(ast.Type, "type")
doc.Set(ast.Code, "code")
doc.Set(ast.Min, "min")
doc.Set(ast.Max, "max")
doc.Set(ast.Default, "default")
doc.Set(ast.Notnull, "notnull")
doc.Set(ast.Readonly, "readonly")
doc.Set(ast.Mandatory, "mandatory")
for _, TB := range ast.What {
// Set the database definition
dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
if err := txn.Put(dkey.Encode(), nil); err != nil {
return nil, err
}
// Set the table definition
tkey := &keys.TB{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB}
if err := txn.Put(tkey.Encode(), nil); err != nil {
return nil, err
}
// Set the field definition
fkey := &keys.FD{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB, FD: ast.Name}
if err := txn.Put(fkey.Encode(), doc.ToPACK()); err != nil {
return nil, err
}
}
txn.Commit()
return
}
func executeDefineIndexStatement(ast *sql.DefineIndexStatement) (out []interface{}, err error) {
txn, err := db.Txn(true)
if err != nil {
return
}
defer txn.Rollback()
doc := data.New()
// doc.Set(ast.Name, "name")
// doc.Set(ast.Type, "type")
// doc.Set(ast.Code, "code")
// doc.Set(ast.Min, "min")
// doc.Set(ast.Max, "max")
// doc.Set(ast.Default, "default")
// doc.Set(ast.Notnull, "notnull")
// doc.Set(ast.Readonly, "readonly")
// doc.Set(ast.Mandatory, "mandatory")
for _, TB := range ast.What {
// Set the database definition
dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
if err := txn.Put(dkey.Encode(), nil); err != nil {
return nil, err
}
// Set the table definition
tkey := &keys.TB{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB}
if err := txn.Put(tkey.Encode(), nil); err != nil {
return nil, err
}
// Set the index definition
ikey := &keys.IX{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB, IX: ast.Name}
if err := txn.Put(ikey.Encode(), doc.ToPACK()); err != nil {
return nil, err
}
}
txn.Commit()
return
}