84b72e25d2
Remove the need to query a particular KV level, and instead use slightly different encoded keys, and use prefix based iteration. This means we can use different KV stores to give the same functionality, without needing to use hierarchical KV stores.
930 lines
18 KiB
Go
930 lines
18 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 mem
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import (
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"sync"
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"github.com/abcum/surreal/cnf"
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"github.com/abcum/surreal/kvs"
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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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type Cache struct {
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kvs.TX
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lock sync.RWMutex
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data map[string]interface{}
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}
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func New() (c *Cache) {
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return &Cache{
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data: make(map[string]interface{}),
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}
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}
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func NewWithTX(tx kvs.TX) (c *Cache) {
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return &Cache{
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TX: tx,
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data: make(map[string]interface{}),
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}
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}
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func (c *Cache) Reset() {
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c.TX = nil
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}
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func (c *Cache) get(idx string) (out interface{}, ok bool) {
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c.lock.RLock()
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out, ok = c.data[idx]
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c.lock.RUnlock()
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return
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}
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func (c *Cache) put(idx string, val interface{}) {
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c.lock.Lock()
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c.data[idx] = val
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c.lock.Unlock()
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}
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func (c *Cache) del(idx string) {
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c.lock.Lock()
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delete(c.data, idx)
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c.lock.Unlock()
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}
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// --------------------------------------------------
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func (c *Cache) AllNS() (out []*sql.DefineNamespaceStatement, err error) {
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idx := (&keys.KV{}).String()
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if out, ok := c.get(idx); ok {
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return out.([]*sql.DefineNamespaceStatement), nil
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}
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var kvs []kvs.KV
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key := &keys.NS{KV: cnf.Settings.DB.Base, NS: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineNamespaceStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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c.put(idx, out)
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return
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}
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func (c *Cache) GetNS(ns string) (val *sql.DefineNamespaceStatement, err error) {
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idx := (&keys.NS{NS: ns}).String()
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if out, ok := c.get(idx); ok {
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return out.(*sql.DefineNamespaceStatement), nil
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}
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var kv kvs.KV
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key := &keys.NS{KV: cnf.Settings.DB.Base, NS: ns}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorNSNotFound
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}
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val = &sql.DefineNamespaceStatement{}
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val.Decode(kv.Val())
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c.put(idx, val)
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return
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}
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func (c *Cache) AddNS(ns string) (*sql.DefineNamespaceStatement, error) {
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idx := (&keys.NS{NS: ns}).String()
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if out, ok := c.get(idx); ok {
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return out.(*sql.DefineNamespaceStatement), nil
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}
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if out, err := c.GetNS(ns); err == nil {
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return out, nil
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}
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key := &keys.NS{KV: cnf.Settings.DB.Base, NS: ns}
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val := &sql.DefineNamespaceStatement{Name: sql.NewIdent(ns)}
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if _, err := c.TX.PutC(0, key.Encode(), val.Encode(), nil); err != nil {
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return nil, err
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}
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c.put(idx, val)
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return val, nil
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}
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func (c *Cache) DelNS(ns string) {
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c.del((&keys.NS{NS: keys.Ignore}).String())
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c.del((&keys.NS{NS: ns}).String())
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return
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}
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// --------------------------------------------------
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func (c *Cache) AllNT(ns string) (out []*sql.DefineTokenStatement, err error) {
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var kvs []kvs.KV
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key := &keys.NT{KV: cnf.Settings.DB.Base, NS: ns, TK: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineTokenStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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return
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}
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func (c *Cache) GetNT(ns, tk string) (val *sql.DefineTokenStatement, err error) {
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var kv kvs.KV
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key := &keys.NT{KV: cnf.Settings.DB.Base, NS: ns, TK: tk}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorNTNotFound
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}
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val = &sql.DefineTokenStatement{}
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val.Decode(kv.Val())
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return
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}
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// --------------------------------------------------
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func (c *Cache) AllNU(ns string) (out []*sql.DefineLoginStatement, err error) {
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var kvs []kvs.KV
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key := &keys.NU{KV: cnf.Settings.DB.Base, NS: ns, US: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineLoginStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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return
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}
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func (c *Cache) GetNU(ns, us string) (val *sql.DefineLoginStatement, err error) {
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var kv kvs.KV
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key := &keys.NU{KV: cnf.Settings.DB.Base, NS: ns, US: us}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorNUNotFound
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}
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val = &sql.DefineLoginStatement{}
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val.Decode(kv.Val())
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return
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}
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// --------------------------------------------------
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func (c *Cache) AllDB(ns string) (out []*sql.DefineDatabaseStatement, err error) {
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idx := (&keys.DB{NS: ns, DB: keys.Ignore}).String()
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if out, ok := c.get(idx); ok {
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return out.([]*sql.DefineDatabaseStatement), nil
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}
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var kvs []kvs.KV
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key := &keys.DB{KV: cnf.Settings.DB.Base, NS: ns, DB: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineDatabaseStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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c.put(idx, out)
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return
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}
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func (c *Cache) GetDB(ns, db string) (val *sql.DefineDatabaseStatement, err error) {
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idx := (&keys.DB{NS: ns, DB: db}).String()
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if out, ok := c.get(idx); ok {
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return out.(*sql.DefineDatabaseStatement), nil
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}
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var kv kvs.KV
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key := &keys.DB{KV: cnf.Settings.DB.Base, NS: ns, DB: db}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorDBNotFound
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}
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val = &sql.DefineDatabaseStatement{}
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val.Decode(kv.Val())
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c.put(idx, val)
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return
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}
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func (c *Cache) AddDB(ns, db string) (*sql.DefineDatabaseStatement, error) {
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idx := (&keys.DB{NS: ns, DB: db}).String()
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if out, ok := c.get(idx); ok {
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return out.(*sql.DefineDatabaseStatement), nil
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}
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if out, err := c.GetDB(ns, db); err == nil {
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return out, nil
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}
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if _, err := c.AddNS(ns); err != nil {
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return nil, err
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}
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key := &keys.DB{KV: cnf.Settings.DB.Base, NS: ns, DB: db}
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val := &sql.DefineDatabaseStatement{Name: sql.NewIdent(db)}
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if _, err := c.TX.PutC(0, key.Encode(), val.Encode(), nil); err != nil {
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return nil, err
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}
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c.put(idx, val)
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return val, nil
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}
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func (c *Cache) DelDB(ns, db string) {
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c.del((&keys.DB{NS: ns, DB: keys.Ignore}).String())
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c.del((&keys.DB{NS: ns, DB: db}).String())
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return
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}
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// --------------------------------------------------
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func (c *Cache) AllDT(ns, db string) (out []*sql.DefineTokenStatement, err error) {
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var kvs []kvs.KV
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key := &keys.DT{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TK: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineTokenStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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return
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}
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func (c *Cache) GetDT(ns, db, tk string) (val *sql.DefineTokenStatement, err error) {
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var kv kvs.KV
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key := &keys.DT{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TK: tk}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorDTNotFound
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}
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val = &sql.DefineTokenStatement{}
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val.Decode(kv.Val())
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return
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}
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// --------------------------------------------------
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func (c *Cache) AllDU(ns, db string) (out []*sql.DefineLoginStatement, err error) {
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var kvs []kvs.KV
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key := &keys.DU{KV: cnf.Settings.DB.Base, NS: ns, DB: db, US: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineLoginStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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return
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}
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func (c *Cache) GetDU(ns, db, us string) (val *sql.DefineLoginStatement, err error) {
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var kv kvs.KV
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key := &keys.DU{KV: cnf.Settings.DB.Base, NS: ns, DB: db, US: us}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorDUNotFound
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}
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val = &sql.DefineLoginStatement{}
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val.Decode(kv.Val())
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return
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}
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// --------------------------------------------------
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func (c *Cache) AllSC(ns, db string) (out []*sql.DefineScopeStatement, err error) {
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var kvs []kvs.KV
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key := &keys.SC{KV: cnf.Settings.DB.Base, NS: ns, DB: db, SC: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineScopeStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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return
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}
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func (c *Cache) GetSC(ns, db, sc string) (val *sql.DefineScopeStatement, err error) {
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var kv kvs.KV
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key := &keys.SC{KV: cnf.Settings.DB.Base, NS: ns, DB: db, SC: sc}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorSCNotFound
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}
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val = &sql.DefineScopeStatement{}
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val.Decode(kv.Val())
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return
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}
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// --------------------------------------------------
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func (c *Cache) AllST(ns, db, sc string) (out []*sql.DefineTokenStatement, err error) {
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var kvs []kvs.KV
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key := &keys.ST{KV: cnf.Settings.DB.Base, NS: ns, DB: db, SC: sc, TK: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineTokenStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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return
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}
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func (c *Cache) GetST(ns, db, sc, tk string) (val *sql.DefineTokenStatement, err error) {
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var kv kvs.KV
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key := &keys.ST{KV: cnf.Settings.DB.Base, NS: ns, DB: db, SC: sc, TK: tk}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorSTNotFound
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}
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val = &sql.DefineTokenStatement{}
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val.Decode(kv.Val())
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return
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}
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// --------------------------------------------------
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func (c *Cache) AllTB(ns, db string) (out []*sql.DefineTableStatement, err error) {
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idx := (&keys.TB{NS: ns, DB: db, TB: keys.Ignore}).String()
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if out, ok := c.get(idx); ok {
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return out.([]*sql.DefineTableStatement), nil
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}
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var kvs []kvs.KV
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key := &keys.TB{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: keys.Ignore}
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if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
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return
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}
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for _, kv := range kvs {
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val := &sql.DefineTableStatement{}
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val.Decode(kv.Val())
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out = append(out, val)
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}
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c.put(idx, out)
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return
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}
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func (c *Cache) GetTB(ns, db, tb string) (val *sql.DefineTableStatement, err error) {
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idx := (&keys.TB{NS: ns, DB: db, TB: tb}).String()
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if out, ok := c.get(idx); ok {
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return out.(*sql.DefineTableStatement), nil
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}
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var kv kvs.KV
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key := &keys.TB{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb}
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if kv, err = c.TX.Get(0, key.Encode()); err != nil {
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return nil, err
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}
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if !kv.Exi() {
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return nil, ErrorTBNotFound
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}
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val = &sql.DefineTableStatement{}
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val.Decode(kv.Val())
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c.put(idx, val)
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return
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}
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func (c *Cache) AddTB(ns, db, tb string) (*sql.DefineTableStatement, error) {
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// var exi bool
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idx := (&keys.TB{NS: ns, DB: db, TB: tb}).String()
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if out, ok := c.get(idx); ok {
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return out.(*sql.DefineTableStatement), nil
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}
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if out, err := c.GetTB(ns, db, tb); err == nil {
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return out, nil
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}
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if _, err := c.AddDB(ns, db); err != nil {
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return nil, err
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}
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key := &keys.TB{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb}
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val := &sql.DefineTableStatement{Name: sql.NewIdent(tb)}
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if _, err := c.TX.PutC(0, key.Encode(), val.Encode(), nil); err != nil {
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return nil, err
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}
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c.put(idx, val)
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return val, nil
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}
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func (c *Cache) DelTB(ns, db, tb string) {
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c.del((&keys.TB{NS: ns, DB: db, TB: keys.Ignore}).String())
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|
|
c.del((&keys.TB{NS: ns, DB: db, TB: tb}).String())
|
|
|
|
return
|
|
|
|
}
|
|
|
|
// --------------------------------------------------
|
|
|
|
func (c *Cache) AllEV(ns, db, tb string) (out []*sql.DefineEventStatement, err error) {
|
|
|
|
idx := (&keys.EV{NS: ns, DB: db, TB: tb, EV: keys.Ignore}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.([]*sql.DefineEventStatement), nil
|
|
}
|
|
|
|
var kvs []kvs.KV
|
|
|
|
key := &keys.EV{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, EV: keys.Ignore}
|
|
if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
|
|
return
|
|
}
|
|
|
|
for _, kv := range kvs {
|
|
val := &sql.DefineEventStatement{}
|
|
val.Decode(kv.Val())
|
|
out = append(out, val)
|
|
}
|
|
|
|
c.put(idx, out)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) GetEV(ns, db, tb, ev string) (val *sql.DefineEventStatement, err error) {
|
|
|
|
idx := (&keys.EV{NS: ns, DB: db, TB: tb, EV: ev}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.(*sql.DefineEventStatement), nil
|
|
}
|
|
|
|
var kv kvs.KV
|
|
|
|
key := &keys.EV{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, EV: ev}
|
|
if kv, err = c.TX.Get(0, key.Encode()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !kv.Exi() {
|
|
return nil, ErrorEVNotFound
|
|
}
|
|
|
|
val = &sql.DefineEventStatement{}
|
|
val.Decode(kv.Val())
|
|
|
|
c.put(idx, val)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) DelEV(ns, db, tb, ev string) {
|
|
|
|
c.del((&keys.EV{NS: ns, DB: db, TB: tb, EV: keys.Ignore}).String())
|
|
|
|
c.del((&keys.EV{NS: ns, DB: db, TB: tb, EV: ev}).String())
|
|
|
|
return
|
|
|
|
}
|
|
|
|
// --------------------------------------------------
|
|
|
|
func (c *Cache) AllFD(ns, db, tb string) (out []*sql.DefineFieldStatement, err error) {
|
|
|
|
idx := (&keys.FD{NS: ns, DB: db, TB: tb, FD: keys.Ignore}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.([]*sql.DefineFieldStatement), nil
|
|
}
|
|
|
|
var kvs []kvs.KV
|
|
|
|
key := &keys.FD{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, FD: keys.Ignore}
|
|
if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
|
|
return
|
|
}
|
|
|
|
for _, kv := range kvs {
|
|
val := &sql.DefineFieldStatement{}
|
|
val.Decode(kv.Val())
|
|
out = append(out, val)
|
|
}
|
|
|
|
c.put(idx, out)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) GetFD(ns, db, tb, fd string) (val *sql.DefineFieldStatement, err error) {
|
|
|
|
idx := (&keys.FD{NS: ns, DB: db, TB: tb, FD: fd}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.(*sql.DefineFieldStatement), nil
|
|
}
|
|
|
|
var kv kvs.KV
|
|
|
|
key := &keys.FD{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, FD: fd}
|
|
if kv, err = c.TX.Get(0, key.Encode()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !kv.Exi() {
|
|
return nil, ErrorFDNotFound
|
|
}
|
|
|
|
val = &sql.DefineFieldStatement{}
|
|
val.Decode(kv.Val())
|
|
|
|
c.put(idx, val)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) DelFD(ns, db, tb, fd string) {
|
|
|
|
c.del((&keys.FD{NS: ns, DB: db, TB: tb, FD: keys.Ignore}).String())
|
|
|
|
c.del((&keys.FD{NS: ns, DB: db, TB: tb, FD: fd}).String())
|
|
|
|
return
|
|
|
|
}
|
|
|
|
// --------------------------------------------------
|
|
|
|
func (c *Cache) AllIX(ns, db, tb string) (out []*sql.DefineIndexStatement, err error) {
|
|
|
|
idx := (&keys.IX{NS: ns, DB: db, TB: tb, IX: keys.Ignore}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.([]*sql.DefineIndexStatement), nil
|
|
}
|
|
|
|
var kvs []kvs.KV
|
|
|
|
key := &keys.IX{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, IX: keys.Ignore}
|
|
if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
|
|
return
|
|
}
|
|
|
|
for _, kv := range kvs {
|
|
val := &sql.DefineIndexStatement{}
|
|
val.Decode(kv.Val())
|
|
out = append(out, val)
|
|
}
|
|
|
|
c.put(idx, out)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) GetIX(ns, db, tb, ix string) (val *sql.DefineIndexStatement, err error) {
|
|
|
|
idx := (&keys.IX{NS: ns, DB: db, TB: tb, IX: ix}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.(*sql.DefineIndexStatement), nil
|
|
}
|
|
|
|
var kv kvs.KV
|
|
|
|
key := &keys.IX{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, IX: ix}
|
|
if kv, err = c.TX.Get(0, key.Encode()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !kv.Exi() {
|
|
return nil, ErrorIXNotFound
|
|
}
|
|
|
|
val = &sql.DefineIndexStatement{}
|
|
val.Decode(kv.Val())
|
|
|
|
c.put(idx, val)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) DelIX(ns, db, tb, ix string) {
|
|
|
|
c.del((&keys.IX{NS: ns, DB: db, TB: tb, IX: keys.Ignore}).String())
|
|
|
|
c.del((&keys.IX{NS: ns, DB: db, TB: tb, IX: ix}).String())
|
|
|
|
return
|
|
|
|
}
|
|
|
|
// --------------------------------------------------
|
|
|
|
func (c *Cache) AllFT(ns, db, tb string) (out []*sql.DefineTableStatement, err error) {
|
|
|
|
idx := (&keys.FT{NS: ns, DB: db, TB: tb, FT: keys.Ignore}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.([]*sql.DefineTableStatement), nil
|
|
}
|
|
|
|
var kvs []kvs.KV
|
|
|
|
key := &keys.FT{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, FT: keys.Ignore}
|
|
if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
|
|
return
|
|
}
|
|
|
|
for _, kv := range kvs {
|
|
val := &sql.DefineTableStatement{}
|
|
val.Decode(kv.Val())
|
|
out = append(out, val)
|
|
}
|
|
|
|
c.put(idx, out)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) GetFT(ns, db, tb, ft string) (val *sql.DefineTableStatement, err error) {
|
|
|
|
idx := (&keys.FT{NS: ns, DB: db, TB: tb, FT: ft}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.(*sql.DefineTableStatement), nil
|
|
}
|
|
|
|
var kv kvs.KV
|
|
|
|
key := &keys.FT{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, FT: ft}
|
|
if kv, err = c.TX.Get(0, key.Encode()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !kv.Exi() {
|
|
return nil, ErrorFTNotFound
|
|
}
|
|
|
|
val = &sql.DefineTableStatement{}
|
|
val.Decode(kv.Val())
|
|
|
|
c.put(idx, val)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) DelFT(ns, db, tb, ft string) {
|
|
|
|
c.del((&keys.FT{NS: ns, DB: db, TB: tb, FT: keys.Ignore}).String())
|
|
|
|
c.del((&keys.FT{NS: ns, DB: db, TB: tb, FT: ft}).String())
|
|
|
|
return
|
|
|
|
}
|
|
|
|
// --------------------------------------------------
|
|
|
|
func (c *Cache) AllLV(ns, db, tb string) (out []*sql.LiveStatement, err error) {
|
|
|
|
idx := (&keys.LV{NS: ns, DB: db, TB: tb, LV: keys.Ignore}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.([]*sql.LiveStatement), nil
|
|
}
|
|
|
|
var kvs []kvs.KV
|
|
|
|
key := &keys.LV{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, LV: keys.Ignore}
|
|
if kvs, err = c.TX.GetP(0, key.Encode(), 0); err != nil {
|
|
return
|
|
}
|
|
|
|
for _, kv := range kvs {
|
|
val := &sql.LiveStatement{}
|
|
val.Decode(kv.Val())
|
|
out = append(out, val)
|
|
}
|
|
|
|
c.put(idx, out)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) GetLV(ns, db, tb, lv string) (val *sql.LiveStatement, err error) {
|
|
|
|
idx := (&keys.LV{NS: ns, DB: db, TB: tb, LV: lv}).String()
|
|
|
|
if out, ok := c.get(idx); ok {
|
|
return out.(*sql.LiveStatement), nil
|
|
}
|
|
|
|
var kv kvs.KV
|
|
|
|
key := &keys.LV{KV: cnf.Settings.DB.Base, NS: ns, DB: db, TB: tb, LV: lv}
|
|
if kv, err = c.TX.Get(0, key.Encode()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !kv.Exi() {
|
|
return nil, ErrorLVNotFound
|
|
}
|
|
|
|
val = &sql.LiveStatement{}
|
|
val.Decode(kv.Val())
|
|
|
|
c.put(idx, val)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (c *Cache) DelLV(ns, db, tb, lv string) {
|
|
|
|
c.del((&keys.LV{NS: ns, DB: db, TB: tb, LV: keys.Ignore}).String())
|
|
|
|
c.del((&keys.LV{NS: ns, DB: db, TB: tb, LV: lv}).String())
|
|
|
|
return
|
|
|
|
}
|