948 lines
20 KiB
Go
948 lines
20 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 sql
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"sort"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
const (
|
|
_select method = iota
|
|
_create
|
|
_update
|
|
_delete
|
|
)
|
|
|
|
type method int
|
|
|
|
type methods []method
|
|
|
|
func (this method) String() string {
|
|
switch this {
|
|
case _select:
|
|
return "select"
|
|
case _create:
|
|
return "create"
|
|
case _update:
|
|
return "update"
|
|
case _delete:
|
|
return "delete"
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (this methods) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Helpers
|
|
// ---------------------------------------------
|
|
|
|
func print(s string, a ...interface{}) string {
|
|
for k, v := range a {
|
|
switch v.(type) {
|
|
default:
|
|
case nil:
|
|
a[k] = "NULL"
|
|
case []interface{}:
|
|
out, _ := json.Marshal(v)
|
|
a[k] = string(out)
|
|
case map[string]interface{}:
|
|
out, _ := json.Marshal(v)
|
|
a[k] = string(out)
|
|
}
|
|
}
|
|
return fmt.Sprintf(s, a...)
|
|
}
|
|
|
|
func maybe(b bool, v ...interface{}) string {
|
|
switch b {
|
|
case false:
|
|
if len(v) >= 2 {
|
|
return fmt.Sprint(v[1])
|
|
}
|
|
case true:
|
|
if len(v) >= 1 {
|
|
return fmt.Sprint(v[0])
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func quote(s string) string {
|
|
t := newToken(s)
|
|
switch t {
|
|
case ILLEGAL:
|
|
if toQuote(s) {
|
|
return "`" + s + "`"
|
|
}
|
|
return s
|
|
default:
|
|
switch {
|
|
case t.isKeyword():
|
|
return "`" + s + "`"
|
|
case t.isOperator():
|
|
return "`" + s + "`"
|
|
}
|
|
return s
|
|
}
|
|
}
|
|
|
|
func toQuote(s string) bool {
|
|
for _, c := range s {
|
|
switch {
|
|
case c >= 'a' && c <= 'z':
|
|
continue
|
|
case c >= 'A' && c <= 'Z':
|
|
continue
|
|
case c >= '0' && c <= '9':
|
|
continue
|
|
case c == '[', c == ']':
|
|
continue
|
|
case c == '.', c == '*':
|
|
continue
|
|
default:
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Statements
|
|
// ---------------------------------------------
|
|
|
|
func (this BeginStatement) String() string {
|
|
return "BEGIN TRANSACTION"
|
|
}
|
|
|
|
func (this CancelStatement) String() string {
|
|
return "CANCEL TRANSACTION"
|
|
}
|
|
|
|
func (this CommitStatement) String() string {
|
|
return "COMMIT TRANSACTION"
|
|
}
|
|
|
|
func (this UseStatement) String() string {
|
|
switch {
|
|
case len(this.NS) == 0:
|
|
return print("USE DATABASE %v", quote(this.DB))
|
|
case len(this.DB) == 0:
|
|
return print("USE NAMESPACE %v", quote(this.NS))
|
|
default:
|
|
return print("USE NAMESPACE %v DATABASE %v", quote(this.NS), quote(this.DB))
|
|
}
|
|
}
|
|
|
|
func (this InfoStatement) String() string {
|
|
switch this.Kind {
|
|
case NAMESPACE:
|
|
return "INFO FOR NAMESPACE"
|
|
case DATABASE:
|
|
return "INFO FOR DATABASE"
|
|
default:
|
|
return print("INFO FOR TABLE %s", this.What)
|
|
}
|
|
}
|
|
|
|
func (this RunStatement) String() string {
|
|
return print("RUN %v",
|
|
this.Expr,
|
|
)
|
|
}
|
|
|
|
func (this IfStatement) String() string {
|
|
m := make([]string, len(this.Cond))
|
|
for k := range this.Cond {
|
|
m[k] = print("%v THEN %v", this.Cond[k], this.Then[k])
|
|
}
|
|
return print("IF %v%v END",
|
|
strings.Join(m, " ELSE IF "),
|
|
maybe(this.Else != nil, print(" ELSE %v", this.Else)),
|
|
)
|
|
}
|
|
|
|
func (this LetStatement) String() string {
|
|
return print("LET %v = %v",
|
|
this.Name,
|
|
this.What,
|
|
)
|
|
}
|
|
|
|
func (this ReturnStatement) String() string {
|
|
return print("RETURN %v",
|
|
this.What,
|
|
)
|
|
}
|
|
|
|
func (this LiveStatement) String() string {
|
|
return print("LIVE SELECT %v%v FROM %v%v%v",
|
|
maybe(this.Diff, "DIFF"),
|
|
this.Expr,
|
|
this.What,
|
|
maybe(this.Cond != nil, print(" WHERE %v", this.Cond)),
|
|
this.Fetch,
|
|
)
|
|
}
|
|
|
|
func (this KillStatement) String() string {
|
|
return print("KILL %v",
|
|
this.What,
|
|
)
|
|
}
|
|
|
|
func (this SelectStatement) String() string {
|
|
return print("SELECT %v FROM %v%v%v%v%v%v%v%v%v",
|
|
this.Expr,
|
|
this.What,
|
|
maybe(this.Cond != nil, print(" WHERE %v", this.Cond)),
|
|
this.Group,
|
|
this.Order,
|
|
maybe(this.Limit != nil, print(" LIMIT %v", this.Limit)),
|
|
maybe(this.Start != nil, print(" START %v", this.Start)),
|
|
this.Fetch,
|
|
maybe(this.Version != nil, print(" VERSION %v", this.Version)),
|
|
maybe(this.Timeout > 0, print(" TIMEOUT %v", this.Timeout.String())),
|
|
)
|
|
}
|
|
|
|
func (this CreateStatement) String() string {
|
|
return print("CREATE %v%v%v%v",
|
|
this.What,
|
|
maybe(this.Data != nil, print("%v", this.Data)),
|
|
maybe(this.Echo != AFTER, print(" RETURN %v", this.Echo)),
|
|
maybe(this.Timeout > 0, print(" TIMEOUT %v", this.Timeout.String())),
|
|
)
|
|
}
|
|
|
|
func (this UpdateStatement) String() string {
|
|
return print("UPDATE %v%v%v%v%v",
|
|
this.What,
|
|
maybe(this.Data != nil, print("%v", this.Data)),
|
|
maybe(this.Cond != nil, print(" WHERE %v", this.Cond)),
|
|
maybe(this.Echo != AFTER, print(" RETURN %v", this.Echo)),
|
|
maybe(this.Timeout > 0, print(" TIMEOUT %v", this.Timeout.String())),
|
|
)
|
|
}
|
|
|
|
func (this DeleteStatement) String() string {
|
|
return print("DELETE %v%v%v%v%v",
|
|
maybe(this.Hard, "AND EXPUNGE "),
|
|
this.What,
|
|
maybe(this.Cond != nil, print(" WHERE %v", this.Cond)),
|
|
maybe(this.Echo != NONE, print(" RETURN %v", this.Echo)),
|
|
maybe(this.Timeout > 0, print(" TIMEOUT %v", this.Timeout.String())),
|
|
)
|
|
}
|
|
|
|
func (this RelateStatement) String() string {
|
|
return print("RELATE %v FROM %v WITH %v%v%v%v%v",
|
|
this.Type,
|
|
this.From,
|
|
this.With,
|
|
maybe(this.Data != nil, print("%v", this.Data)),
|
|
maybe(this.Uniq, " UNIQUE"),
|
|
maybe(this.Echo != AFTER, print(" RETURN %v", this.Echo)),
|
|
maybe(this.Timeout > 0, print(" TIMEOUT %v", this.Timeout.String())),
|
|
)
|
|
}
|
|
|
|
func (this InsertStatement) String() string {
|
|
return print("INSERT %v INTO %v%v%v",
|
|
this.Data,
|
|
this.Into,
|
|
maybe(this.Echo != AFTER, print(" RETURN %v", this.Echo)),
|
|
maybe(this.Timeout > 0, print(" TIMEOUT %v", this.Timeout.String())),
|
|
)
|
|
}
|
|
|
|
func (this UpsertStatement) String() string {
|
|
return print("UPSERT %v INTO %v%v%v",
|
|
this.Data,
|
|
this.Into,
|
|
maybe(this.Echo != AFTER, print(" RETURN %v", this.Echo)),
|
|
maybe(this.Timeout > 0, print(" TIMEOUT %v", this.Timeout.String())),
|
|
)
|
|
}
|
|
|
|
func (this DefineNamespaceStatement) String() string {
|
|
return print("DEFINE NAMESPACE %v",
|
|
this.Name,
|
|
)
|
|
}
|
|
|
|
func (this RemoveNamespaceStatement) String() string {
|
|
return print("REMOVE NAMESPACE %v",
|
|
this.Name,
|
|
)
|
|
}
|
|
|
|
func (this DefineDatabaseStatement) String() string {
|
|
return print("DEFINE DATABASE %v",
|
|
this.Name,
|
|
)
|
|
}
|
|
|
|
func (this RemoveDatabaseStatement) String() string {
|
|
return print("REMOVE DATABASE %v",
|
|
this.Name,
|
|
)
|
|
}
|
|
|
|
func (this DefineLoginStatement) String() string {
|
|
return print("DEFINE LOGIN %v ON %v PASSWORD ********",
|
|
this.User,
|
|
this.Kind,
|
|
)
|
|
}
|
|
|
|
func (this RemoveLoginStatement) String() string {
|
|
return print("REMOVE LOGIN %v ON %v",
|
|
this.User,
|
|
this.Kind,
|
|
)
|
|
}
|
|
|
|
func (this DefineTokenStatement) String() string {
|
|
return print("DEFINE TOKEN %v ON %v TYPE %v VALUE ********",
|
|
this.Name,
|
|
this.Kind,
|
|
this.Type,
|
|
)
|
|
}
|
|
|
|
func (this RemoveTokenStatement) String() string {
|
|
return print("REMOVE TOKEN %v ON %v",
|
|
this.Name,
|
|
this.Kind,
|
|
)
|
|
}
|
|
|
|
func (this DefineScopeStatement) String() string {
|
|
return print("DEFINE SCOPE %v%v%v%v%v%v%v",
|
|
this.Name,
|
|
maybe(this.Time > 0, print(" SESSION %v", this.Time)),
|
|
maybe(this.Signup != nil, print(" SIGNUP AS %v", this.Signup)),
|
|
maybe(this.Signin != nil, print(" SIGNIN AS %v", this.Signin)),
|
|
maybe(this.Connect != nil, print(" CONNECT AS %v", this.Connect)),
|
|
maybe(this.OnSignup != nil, print(" ON SIGNUP %v", this.OnSignup)),
|
|
maybe(this.OnSignin != nil, print(" ON SIGNIN %v", this.OnSignin)),
|
|
)
|
|
}
|
|
|
|
func (this RemoveScopeStatement) String() string {
|
|
return print("REMOVE SCOPE %v",
|
|
this.Name,
|
|
)
|
|
}
|
|
|
|
func (this DefineTableStatement) String() (s string) {
|
|
w := maybe(this.Cond != nil, print(" WHERE %v", this.Cond))
|
|
return print("DEFINE TABLE %v%v%v%v%v",
|
|
maybe(this.Name != nil, print("%s", this.Name), print("%s", this.What)),
|
|
maybe(this.Full, " SCHEMAFULL"),
|
|
maybe(this.Drop, " DROP"),
|
|
maybe(this.Lock, print(" AS SELECT %v FROM %v%v%v", this.Expr, this.From, w, this.Group)),
|
|
maybe(this.Perms != nil, this.Perms),
|
|
)
|
|
}
|
|
|
|
func (this RemoveTableStatement) String() string {
|
|
return print("REMOVE TABLE %v",
|
|
this.What,
|
|
)
|
|
}
|
|
|
|
func (this DefineEventStatement) String() string {
|
|
return print("DEFINE EVENT %v ON %v WHEN %v THEN %v",
|
|
this.Name,
|
|
this.What,
|
|
this.When,
|
|
this.Then,
|
|
)
|
|
}
|
|
|
|
func (this RemoveEventStatement) String() string {
|
|
return print("REMOVE EVENT %v ON %v",
|
|
this.Name,
|
|
this.What,
|
|
)
|
|
}
|
|
|
|
func (this DefineFieldStatement) String() string {
|
|
return print("DEFINE FIELD %v ON %v%v%v%v%v%v%v",
|
|
this.Name,
|
|
this.What,
|
|
maybe(this.Type != "", print(" TYPE %v", this.Type)),
|
|
maybe(this.Kind != "", print(" (%v)", this.Kind)),
|
|
maybe(this.Value != nil, print(" VALUE %v", this.Value)),
|
|
maybe(this.Assert != nil, print(" ASSERT %v", this.Assert)),
|
|
maybe(this.Priority != 0, print(" PRIORITY %v", this.Priority)),
|
|
maybe(this.Perms != nil, this.Perms),
|
|
)
|
|
}
|
|
|
|
func (this RemoveFieldStatement) String() string {
|
|
return print("REMOVE FIELD %v ON %v",
|
|
this.Name,
|
|
this.What,
|
|
)
|
|
}
|
|
|
|
func (this DefineIndexStatement) String() string {
|
|
return print("DEFINE INDEX %v ON %v COLUMNS %v%v",
|
|
this.Name,
|
|
this.What,
|
|
this.Cols,
|
|
maybe(this.Uniq, " UNIQUE"),
|
|
)
|
|
}
|
|
|
|
func (this RemoveIndexStatement) String() string {
|
|
return print("REMOVE INDEX %v ON %v",
|
|
this.Name,
|
|
this.What,
|
|
)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Literals
|
|
// ---------------------------------------------
|
|
|
|
func (this Exprs) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = print("%v", v)
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this All) String() string {
|
|
return "*"
|
|
}
|
|
|
|
func (this Any) String() string {
|
|
return "?"
|
|
}
|
|
|
|
func (this Null) String() string {
|
|
return "NULL"
|
|
}
|
|
|
|
func (this Void) String() string {
|
|
return "VOID"
|
|
}
|
|
|
|
func (this Empty) String() string {
|
|
return "EMPTY"
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Field
|
|
// ---------------------------------------------
|
|
|
|
func (this Fields) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return print("%v",
|
|
strings.Join(m, ", "),
|
|
)
|
|
}
|
|
|
|
func (this Field) String() string {
|
|
return print("%v%v",
|
|
this.Expr,
|
|
maybe(this.Alias != "", print(" AS %s", quote(this.Alias))),
|
|
)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Group
|
|
// ---------------------------------------------
|
|
|
|
func (this Groups) String() string {
|
|
if len(this) == 0 {
|
|
return ""
|
|
}
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return print(" GROUP BY %v",
|
|
strings.Join(m, ", "),
|
|
)
|
|
}
|
|
|
|
func (this Group) String() string {
|
|
return print("%v",
|
|
this.Expr,
|
|
)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Order
|
|
// ---------------------------------------------
|
|
|
|
func (this Orders) String() string {
|
|
if len(this) == 0 {
|
|
return ""
|
|
}
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return print(" ORDER BY %v",
|
|
strings.Join(m, ", "),
|
|
)
|
|
}
|
|
|
|
func (this Order) String() string {
|
|
return print("%v %v%v",
|
|
this.Expr,
|
|
maybe(this.Dir, "ASC", "DESC"),
|
|
maybe(!this.Tag.IsRoot(), print(" COLLATE %s", this.Tag.String())),
|
|
)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Fetch
|
|
// ---------------------------------------------
|
|
|
|
func (this Fetchs) String() string {
|
|
if len(this) == 0 {
|
|
return ""
|
|
}
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return print(" FETCH %v",
|
|
strings.Join(m, ", "),
|
|
)
|
|
}
|
|
|
|
func (this Fetch) String() string {
|
|
return print("%v",
|
|
this.Expr,
|
|
)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Model
|
|
// ---------------------------------------------
|
|
|
|
func (this Model) String() string {
|
|
switch {
|
|
case this.INC == 0:
|
|
max := strconv.FormatFloat(this.MAX, 'f', -1, 64)
|
|
return print("|%s:%s|", quote(this.TB), max)
|
|
case this.INC == 1:
|
|
min := strconv.FormatFloat(this.MIN, 'f', -1, 64)
|
|
max := strconv.FormatFloat(this.MAX, 'f', -1, 64)
|
|
return print("|%s:%s..%s|", quote(this.TB), min, max)
|
|
default:
|
|
inc := strconv.FormatFloat(this.INC, 'f', -1, 64)
|
|
min := strconv.FormatFloat(this.MIN, 'f', -1, 64)
|
|
max := strconv.FormatFloat(this.MAX, 'f', -1, 64)
|
|
return print("|%s:%s,%s..%s|", quote(this.TB), min, inc, max)
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Param
|
|
// ---------------------------------------------
|
|
|
|
func (this Params) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Param) String() string {
|
|
return print("$%v", this.ID)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Regex
|
|
// ---------------------------------------------
|
|
|
|
func (this Regexs) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Regex) String() string {
|
|
return print("/%v/", this.ID)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Value
|
|
// ---------------------------------------------
|
|
|
|
func (this Values) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Value) String() string {
|
|
return print("\"%v\"", this.ID)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Ident
|
|
// ---------------------------------------------
|
|
|
|
func (this Idents) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Ident) String() string {
|
|
return quote(this.ID)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Table
|
|
// ---------------------------------------------
|
|
|
|
func (this Tables) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Table) String() string {
|
|
return quote(this.TB)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Batch
|
|
// ---------------------------------------------
|
|
|
|
func (this Batchs) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Batch) String() string {
|
|
return print("batch(%v, [%v]", this.TB, this.BA)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Thing
|
|
// ---------------------------------------------
|
|
|
|
func (this Things) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Thing) String() string {
|
|
tb := this.TB
|
|
if toQuote(this.TB) {
|
|
tb = print("⟨%v⟩", this.TB)
|
|
}
|
|
id := this.ID
|
|
switch v := this.ID.(type) {
|
|
case int64:
|
|
id = strconv.FormatInt(v, 10)
|
|
case float64:
|
|
id = strconv.FormatFloat(v, 'f', -1, 64)
|
|
case time.Time:
|
|
id = print("⟨%v⟩", v.Format(RFCNano))
|
|
case string:
|
|
if toQuote(v) {
|
|
id = print("⟨%v⟩", v)
|
|
}
|
|
default:
|
|
if toQuote(fmt.Sprint(v)) {
|
|
id = print("⟨%v⟩", v)
|
|
}
|
|
}
|
|
return print("%v:%v", tb, id)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Point
|
|
// ---------------------------------------------
|
|
|
|
func (this Points) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Point) String() string {
|
|
return print("geo.point(%v,%v)", this.LA, this.LO)
|
|
}
|
|
|
|
func (this Point) JSON() string {
|
|
return fmt.Sprintf(`[%v,%v]`, this.LA, this.LO)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Circle
|
|
// ---------------------------------------------
|
|
|
|
func (this Circles) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Circle) String() string {
|
|
return print("geo.circle(%v,%v)", this.CE, this.RA)
|
|
}
|
|
|
|
func (this Circle) JSON() string {
|
|
return fmt.Sprintf(`{"type":"circle","center":%v,"radius":%v}`, this.CE.JSON(), this.RA)
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Polygon
|
|
// ---------------------------------------------
|
|
|
|
func (this Polygons) String() string {
|
|
m := make([]string, len(this))
|
|
for k, v := range this {
|
|
m[k] = v.String()
|
|
}
|
|
return strings.Join(m, ", ")
|
|
}
|
|
|
|
func (this Polygon) String() string {
|
|
var m []string
|
|
for _, v := range this.PS {
|
|
m = append(m, v.String())
|
|
}
|
|
return print("geo.polygon(%v)",
|
|
strings.Join(m, ", "),
|
|
)
|
|
}
|
|
|
|
func (this Polygon) JSON() string {
|
|
var m []string
|
|
for _, p := range this.PS {
|
|
m = append(m, p.JSON())
|
|
}
|
|
return fmt.Sprintf(`{"type":"polygon","points":[%v]}`, strings.Join(m, ","))
|
|
}
|
|
|
|
// ---------------------------------------------
|
|
// Expressions
|
|
// ---------------------------------------------
|
|
|
|
func (this SubExpression) String() string {
|
|
return print("(%v)",
|
|
this.Expr,
|
|
)
|
|
}
|
|
|
|
func (this MultExpression) String() string {
|
|
m := make([]string, len(this.Expr))
|
|
for k := range this.Expr {
|
|
m[k] = print("%v", this.Expr[k])
|
|
}
|
|
return print("(%v)",
|
|
strings.Join(m, "; "),
|
|
)
|
|
}
|
|
|
|
func (this IfelExpression) String() string {
|
|
m := make([]string, len(this.Cond))
|
|
for k := range this.Cond {
|
|
m[k] = print("%v THEN %v", this.Cond[k], this.Then[k])
|
|
}
|
|
return print("IF %v%v END",
|
|
strings.Join(m, " ELSE IF "),
|
|
maybe(this.Else != nil, print(" ELSE %v", this.Else)),
|
|
)
|
|
}
|
|
|
|
func (this FuncExpression) String() string {
|
|
return print("%v(%v)",
|
|
this.Name,
|
|
this.Args,
|
|
)
|
|
}
|
|
|
|
func (this ItemExpression) String() string {
|
|
return print("%v %v %v",
|
|
this.LHS,
|
|
this.Op,
|
|
this.RHS,
|
|
)
|
|
}
|
|
|
|
func (this BinaryExpression) String() string {
|
|
return print("%v %v %v",
|
|
this.LHS,
|
|
this.Op,
|
|
this.RHS,
|
|
)
|
|
}
|
|
|
|
func (this PathExpression) String() string {
|
|
var m []string
|
|
for _, v := range this.Expr {
|
|
m = append(m, print("%v", v))
|
|
}
|
|
return strings.Join(m, "")
|
|
}
|
|
|
|
func (this PartExpression) String() string {
|
|
return print("%v",
|
|
this.Part,
|
|
)
|
|
}
|
|
|
|
func (this JoinExpression) String() string {
|
|
return print("%v",
|
|
this.Join,
|
|
)
|
|
}
|
|
|
|
func (this SubpExpression) String() string {
|
|
return print("(%v%v%v)",
|
|
this.What,
|
|
maybe(this.Name != nil, print(" AS %v", this.Name)),
|
|
maybe(this.Cond != nil, print(" WHERE %v", this.Cond)),
|
|
)
|
|
}
|
|
|
|
func (this DataExpression) String() string {
|
|
var m []string
|
|
for _, v := range this.Data {
|
|
m = append(m, v.String())
|
|
}
|
|
return print(" SET %v",
|
|
strings.Join(m, ", "),
|
|
)
|
|
}
|
|
|
|
func (this DiffExpression) String() string {
|
|
return print(" DIFF %v",
|
|
this.Data,
|
|
)
|
|
}
|
|
|
|
func (this MergeExpression) String() string {
|
|
return print(" MERGE %v",
|
|
this.Data,
|
|
)
|
|
}
|
|
|
|
func (this ContentExpression) String() string {
|
|
return print(" CONTENT %v",
|
|
this.Data,
|
|
)
|
|
}
|
|
|
|
func (this PermExpression) String() string {
|
|
|
|
var k, o string
|
|
|
|
a := []string{}
|
|
m := map[string]methods{}
|
|
|
|
if v, ok := this.Select.(bool); ok {
|
|
k = maybe(v, "FULL", "NONE")
|
|
m[k] = append(m[k], _select)
|
|
} else {
|
|
k = print("WHERE %v", this.Select)
|
|
m[k] = append(m[k], _select)
|
|
}
|
|
|
|
if v, ok := this.Create.(bool); ok {
|
|
k = maybe(v, "FULL", "NONE")
|
|
m[k] = append(m[k], _create)
|
|
} else {
|
|
k = print("WHERE %v", this.Create)
|
|
m[k] = append(m[k], _create)
|
|
}
|
|
|
|
if v, ok := this.Update.(bool); ok {
|
|
k = maybe(v, "FULL", "NONE")
|
|
m[k] = append(m[k], _update)
|
|
} else {
|
|
k = print("WHERE %v", this.Update)
|
|
m[k] = append(m[k], _update)
|
|
}
|
|
|
|
if v, ok := this.Delete.(bool); ok {
|
|
k = maybe(v, "FULL", "NONE")
|
|
m[k] = append(m[k], _delete)
|
|
} else {
|
|
k = print("WHERE %v", this.Delete)
|
|
m[k] = append(m[k], _delete)
|
|
}
|
|
|
|
if len(m) == 1 {
|
|
for k := range m {
|
|
return print(" PERMISSIONS %v", k)
|
|
}
|
|
}
|
|
|
|
for k := range m {
|
|
a = append(a, k)
|
|
}
|
|
|
|
sort.Slice(a, func(i, j int) bool {
|
|
return m[a[i]][0] < m[a[j]][0]
|
|
})
|
|
|
|
for _, v := range a {
|
|
o += print(" FOR %v %v", m[v], v)
|
|
}
|
|
|
|
return print(" PERMISSIONS%v", o)
|
|
|
|
}
|