270 lines
6.2 KiB
Go
270 lines
6.2 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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"context"
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"github.com/abcum/surreal/cnf"
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"github.com/abcum/surreal/sql"
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"github.com/abcum/surreal/util/keys"
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)
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func (e *executor) executeRemoveNamespace(ctx context.Context, ast *sql.RemoveNamespaceStatement) (out []interface{}, err error) {
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if err := e.access(ctx, cnf.AuthKV); err != nil {
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return nil, err
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}
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e.tx.DelNS(ast.Name.VA)
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// Remove the namespace definition
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nkey := &keys.NS{KV: KV, NS: ast.Name.VA}
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_, err = e.tx.Clr(ctx, nkey.Encode())
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// Remove the namespace resource data
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akey := &keys.Namespace{KV: KV, NS: ast.Name.VA}
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_, err = e.tx.ClrP(ctx, akey.Encode(), 0)
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return
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}
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func (e *executor) executeRemoveDatabase(ctx context.Context, ast *sql.RemoveDatabaseStatement) (out []interface{}, err error) {
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if err := e.access(ctx, cnf.AuthNS); err != nil {
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return nil, err
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}
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e.tx.DelDB(e.ns, ast.Name.VA)
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// Remove the database definition
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dkey := &keys.DB{KV: KV, NS: e.ns, DB: ast.Name.VA}
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_, err = e.tx.Clr(ctx, dkey.Encode())
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// Remove the database resource data
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akey := &keys.Database{KV: KV, NS: e.ns, DB: ast.Name.VA}
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_, err = e.tx.ClrP(ctx, akey.Encode(), 0)
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return
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}
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func (e *executor) executeRemoveLogin(ctx context.Context, ast *sql.RemoveLoginStatement) (out []interface{}, err error) {
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switch ast.Kind {
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case sql.NAMESPACE:
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if err := e.access(ctx, cnf.AuthNS); err != nil {
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return nil, err
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}
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// Remove the login definition
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ukey := &keys.NU{KV: KV, NS: e.ns, US: ast.User.VA}
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_, err = e.tx.ClrP(ctx, ukey.Encode(), 0)
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case sql.DATABASE:
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if err := e.access(ctx, cnf.AuthDB); err != nil {
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return nil, err
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}
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// Remove the login definition
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ukey := &keys.DU{KV: KV, NS: e.ns, DB: e.db, US: ast.User.VA}
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_, err = e.tx.ClrP(ctx, ukey.Encode(), 0)
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}
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return
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}
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func (e *executor) executeRemoveToken(ctx context.Context, ast *sql.RemoveTokenStatement) (out []interface{}, err error) {
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if err := e.access(ctx, cnf.AuthNO); err != nil {
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return nil, err
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}
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switch ast.Kind {
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case sql.NAMESPACE:
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if err := e.access(ctx, cnf.AuthNS); err != nil {
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return nil, err
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}
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// Remove the token definition
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tkey := &keys.NT{KV: KV, NS: e.ns, TK: ast.Name.VA}
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_, err = e.tx.ClrP(ctx, tkey.Encode(), 0)
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case sql.DATABASE:
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if err := e.access(ctx, cnf.AuthDB); err != nil {
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return nil, err
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}
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// Remove the token definition
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tkey := &keys.DT{KV: KV, NS: e.ns, DB: e.db, TK: ast.Name.VA}
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_, err = e.tx.ClrP(ctx, tkey.Encode(), 0)
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case sql.SCOPE:
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if err := e.access(ctx, cnf.AuthDB); err != nil {
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return nil, err
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}
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// Remove the token definition
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tkey := &keys.ST{KV: KV, NS: e.ns, DB: e.db, SC: ast.What.VA, TK: ast.Name.VA}
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_, err = e.tx.ClrP(ctx, tkey.Encode(), 0)
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}
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return
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}
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func (e *executor) executeRemoveScope(ctx context.Context, ast *sql.RemoveScopeStatement) (out []interface{}, err error) {
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if err := e.access(ctx, cnf.AuthDB); err != nil {
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return nil, err
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}
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// Remove the scope definition
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skey := &keys.SC{KV: KV, NS: e.ns, DB: e.db, SC: ast.Name.VA}
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_, err = e.tx.ClrP(ctx, skey.Encode(), 0)
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return
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}
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func (e *executor) executeRemoveEvent(ctx context.Context, ast *sql.RemoveEventStatement) (out []interface{}, err error) {
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if err := e.access(ctx, cnf.AuthDB); err != nil {
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return nil, err
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}
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for _, TB := range ast.What {
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e.tx.DelEV(e.ns, e.db, TB.TB, ast.Name.VA)
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// Remove the event definition
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ekey := &keys.EV{KV: KV, NS: e.ns, DB: e.db, TB: TB.TB, EV: ast.Name.VA}
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if _, err = e.tx.ClrP(ctx, ekey.Encode(), 0); 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) executeRemoveField(ctx context.Context, ast *sql.RemoveFieldStatement) (out []interface{}, err error) {
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if err := e.access(ctx, cnf.AuthDB); err != nil {
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return nil, err
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}
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for _, TB := range ast.What {
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e.tx.DelFD(e.ns, e.db, TB.TB, ast.Name.VA)
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// Remove the field definition
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fkey := &keys.FD{KV: KV, NS: e.ns, DB: e.db, TB: TB.TB, FD: ast.Name.VA}
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if _, err = e.tx.ClrP(ctx, fkey.Encode(), 0); 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) executeRemoveIndex(ctx context.Context, ast *sql.RemoveIndexStatement) (out []interface{}, err error) {
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if err := e.access(ctx, cnf.AuthDB); err != nil {
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return nil, err
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}
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for _, TB := range ast.What {
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e.tx.DelIX(e.ns, e.db, TB.TB, ast.Name.VA)
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// Remove the index definition
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ikey := &keys.IX{KV: KV, NS: e.ns, DB: e.db, TB: TB.TB, IX: ast.Name.VA}
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if _, err = e.tx.ClrP(ctx, ikey.Encode(), 0); err != nil {
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return nil, err
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}
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// Remove the index resource data
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dkey := &keys.Index{KV: KV, NS: e.ns, DB: e.db, TB: TB.TB, IX: ast.Name.VA, FD: keys.Ignore}
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if _, err = e.tx.ClrP(ctx, dkey.Encode(), 0); 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) executeRemoveTable(ctx context.Context, ast *sql.RemoveTableStatement) (out []interface{}, err error) {
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if err := e.access(ctx, cnf.AuthDB); err != nil {
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return nil, err
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}
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for _, TB := range ast.What {
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e.tx.DelTB(e.ns, e.db, TB.TB)
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tb, err := e.tx.GetTB(ctx, e.ns, e.db, TB.TB)
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if err != nil {
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return nil, err
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}
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// Remove the table definition
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tkey := &keys.TB{KV: KV, NS: e.ns, DB: e.db, TB: TB.TB}
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_, err = e.tx.Clr(ctx, tkey.Encode())
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if err != nil {
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return nil, err
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}
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// Remove the table resource data
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dkey := &keys.Table{KV: KV, NS: e.ns, DB: e.db, TB: TB.TB}
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_, err = e.tx.ClrP(ctx, dkey.Encode(), 0)
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if err != nil {
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return nil, err
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}
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if tb.Lock {
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for _, FT := range tb.From {
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// Remove the foreign table definition
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tkey := &keys.FT{KV: KV, NS: e.ns, DB: e.db, TB: FT.TB, FT: TB.TB}
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if _, err = e.tx.ClrP(ctx, tkey.Encode(), 0); 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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}
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return
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}
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