247 lines
7 KiB
Go
247 lines
7 KiB
Go
// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package db
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import (
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"github.com/abcum/surreal/sql"
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"github.com/abcum/surreal/util/item"
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"github.com/abcum/surreal/util/keys"
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"github.com/abcum/surreal/util/pack"
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)
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func (e *executor) executeDefineNamespaceStatement(ast *sql.DefineNamespaceStatement) (out []interface{}, err error) {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.Name}
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_, err = e.txn.Put(0, nkey.Encode(), ast.Encode())
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return
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}
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func (e *executor) executeDefineDatabaseStatement(ast *sql.DefineDatabaseStatement) (out []interface{}, err error) {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the database
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dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.Name}
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_, err = e.txn.Put(0, dkey.Encode(), ast.Encode())
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return
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}
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func (e *executor) executeDefineLoginStatement(ast *sql.DefineLoginStatement) (out []interface{}, err error) {
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if ast.Kind == sql.NAMESPACE {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the login
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ukey := &keys.NU{KV: ast.KV, NS: ast.NS, US: ast.User}
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_, err = e.txn.Put(0, ukey.Encode(), ast.Encode())
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}
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if ast.Kind == sql.DATABASE {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the database
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dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
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dval := &sql.DefineDatabaseStatement{Name: ast.DB}
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e.txn.PutC(0, dkey.Encode(), dval.Encode(), nil)
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// Set the login
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ukey := &keys.DU{KV: ast.KV, NS: ast.NS, DB: ast.DB, US: ast.User}
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_, err = e.txn.Put(0, ukey.Encode(), ast.Encode())
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}
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return
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}
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func (e *executor) executeDefineTokenStatement(ast *sql.DefineTokenStatement) (out []interface{}, err error) {
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if ast.Kind == sql.NAMESPACE {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the token
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tkey := &keys.NT{KV: ast.KV, NS: ast.NS, TK: ast.Name}
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_, err = e.txn.Put(0, tkey.Encode(), ast.Encode())
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}
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if ast.Kind == sql.DATABASE {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the database
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dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
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dval := &sql.DefineDatabaseStatement{Name: ast.DB}
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e.txn.PutC(0, dkey.Encode(), dval.Encode(), nil)
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// Set the token
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tkey := &keys.DT{KV: ast.KV, NS: ast.NS, DB: ast.DB, TK: ast.Name}
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_, err = e.txn.Put(0, tkey.Encode(), ast.Encode())
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}
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return
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}
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func (e *executor) executeDefineScopeStatement(ast *sql.DefineScopeStatement) (out []interface{}, err error) {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the database
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dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
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dval := &sql.DefineDatabaseStatement{Name: ast.DB}
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e.txn.PutC(0, dkey.Encode(), dval.Encode(), nil)
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// Set the scope
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skey := &keys.SC{KV: ast.KV, NS: ast.NS, DB: ast.DB, SC: ast.Name}
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_, err = e.txn.Put(0, skey.Encode(), ast.Encode())
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return
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}
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func (e *executor) executeDefineTableStatement(ast *sql.DefineTableStatement) (out []interface{}, err error) {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the database
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dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
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dval := &sql.DefineDatabaseStatement{Name: ast.DB}
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e.txn.PutC(0, dkey.Encode(), dval.Encode(), nil)
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for _, TB := range ast.What {
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// Set the table
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tkey := &keys.TB{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB}
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if _, err = e.txn.Put(0, tkey.Encode(), ast.Encode()); err != nil {
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return nil, err
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}
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}
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return
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}
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func (e *executor) executeDefineFieldStatement(ast *sql.DefineFieldStatement) (out []interface{}, err error) {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the database
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dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
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dval := &sql.DefineDatabaseStatement{Name: ast.DB}
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e.txn.PutC(0, dkey.Encode(), dval.Encode(), nil)
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for _, TB := range ast.What {
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// Set the table
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tkey := &keys.TB{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB}
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tval := &sql.DefineTableStatement{What: ast.What}
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e.txn.PutC(0, tkey.Encode(), tval.Encode(), nil)
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// Set the field
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fkey := &keys.FD{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB, FD: ast.Name}
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if _, err = e.txn.Put(0, fkey.Encode(), pack.Encode(ast)); err != nil {
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return nil, err
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}
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}
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return
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}
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func (e *executor) executeDefineIndexStatement(ast *sql.DefineIndexStatement) (out []interface{}, err error) {
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// Set the namespace
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nkey := &keys.NS{KV: ast.KV, NS: ast.NS}
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nval := &sql.DefineNamespaceStatement{Name: ast.NS}
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e.txn.PutC(0, nkey.Encode(), nval.Encode(), nil)
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// Set the database
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dkey := &keys.DB{KV: ast.KV, NS: ast.NS, DB: ast.DB}
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dval := &sql.DefineDatabaseStatement{Name: ast.DB}
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e.txn.PutC(0, dkey.Encode(), dval.Encode(), nil)
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for _, TB := range ast.What {
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// Set the table
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tkey := &keys.TB{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB}
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tval := &sql.DefineTableStatement{What: ast.What}
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e.txn.PutC(0, tkey.Encode(), tval.Encode(), nil)
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// Set the index
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ikey := &keys.IX{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB, IX: ast.Name}
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if _, err = e.txn.Put(0, ikey.Encode(), ast.Encode()); err != nil {
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return nil, err
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}
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// Remove all index data
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dbeg := &keys.Index{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB, IX: keys.Prefix, FD: keys.Ignore}
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dend := &keys.Index{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB, IX: keys.Suffix, FD: keys.Ignore}
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if _, err = e.txn.DelR(0, dbeg.Encode(), dend.Encode(), 0); err != nil {
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return nil, err
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}
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// Fetch the items
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ibeg := &keys.Thing{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB, ID: keys.Prefix}
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iend := &keys.Thing{KV: ast.KV, NS: ast.NS, DB: ast.DB, TB: TB, ID: keys.Suffix}
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kvs, _ := e.txn.GetR(0, ibeg.Encode(), iend.Encode(), 0)
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for _, kv := range kvs {
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doc := item.New(kv, e.txn, nil, e.ctx)
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if err := doc.StoreIndex(); err != nil {
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return nil, err
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}
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}
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}
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return
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}
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