mirror of https://github.com/tidwall/tile38.git
993 lines
25 KiB
Go
993 lines
25 KiB
Go
package core
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import (
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"encoding/json"
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"strings"
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)
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const (
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clear = "\x1b[0m"
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bright = "\x1b[1m"
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gray = "\x1b[90m"
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yellow = "\x1b[33m"
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)
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type Command struct {
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Name string `json:"-"`
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Summary string `json:"summary"`
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Complexity string `json:"complexity"`
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Arguments []Argument `json:"arguments"`
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Since string `json:"since"`
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Group string `json:"group"`
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DevOnly bool `json:"dev"`
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}
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func (c Command) String() string {
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var s = c.Name
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for _, arg := range c.Arguments {
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s += " " + arg.String()
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}
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return s
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}
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func (c Command) TermOutput(indent string) string {
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line1 := bright + strings.Replace(c.String(), " ", " "+clear+gray, 1) + clear
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line2 := yellow + "summary: " + clear + c.Summary
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line3 := yellow + "since: " + clear + c.Since
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return indent + line1 + "\n" + indent + line2 + "\n" + indent + line3 + "\n"
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}
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type EnumArg struct {
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Name string `json:"name"`
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Arguments []Argument `json:"arguments`
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}
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func (a EnumArg) String() string {
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var s = a.Name
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for _, arg := range a.Arguments {
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s += " " + arg.String()
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}
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return s
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}
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type Argument struct {
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Command string `json:"command"`
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NameAny interface{} `json:"name"`
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TypeAny interface{} `json:"type"`
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Optional bool `json:"optional"`
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Multiple bool `json:"multiple"`
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Variadic bool `json:"variadic"`
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Enum []string `json:"enum"`
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EnumArgs []EnumArg `json:"enumargs"`
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}
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func (a Argument) String() string {
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var s string
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if a.Command != "" {
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s += " " + a.Command
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}
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if len(a.EnumArgs) > 0 {
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eargs := ""
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for _, arg := range a.EnumArgs {
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v := arg.String()
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if strings.Contains(v, " ") {
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v = "(" + v + ")"
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}
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eargs += v + "|"
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}
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if len(eargs) > 0 {
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eargs = eargs[:len(eargs)-1]
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}
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s += " " + eargs
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} else if len(a.Enum) > 0 {
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s += " " + strings.Join(a.Enum, "|")
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} else {
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names, _ := a.NameTypes()
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subs := ""
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for _, name := range names {
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subs += " " + name
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}
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subs = strings.TrimSpace(subs)
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s += " " + subs
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if a.Variadic {
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s += " [" + subs + " ...]"
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}
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if a.Multiple {
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s += " ..."
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}
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}
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s = strings.TrimSpace(s)
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if a.Optional {
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s = "[" + s + "]"
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}
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return s
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}
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func parseAnyStringArray(any interface{}) []string {
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if str, ok := any.(string); ok {
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return []string{str}
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} else if any, ok := any.([]interface{}); ok {
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arr := []string{}
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for _, any := range any {
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if str, ok := any.(string); ok {
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arr = append(arr, str)
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}
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}
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return arr
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}
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return []string{}
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}
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func (a Argument) NameTypes() (names, types []string) {
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names = parseAnyStringArray(a.NameAny)
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types = parseAnyStringArray(a.TypeAny)
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if len(types) > len(names) {
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types = types[:len(names)]
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} else {
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for len(types) < len(names) {
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types = append(types, "")
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}
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}
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return
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}
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var Commands = func() map[string]Command {
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var commands map[string]Command
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if err := json.Unmarshal([]byte(commandsJSON), &commands); err != nil {
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panic(err.Error())
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}
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for name, command := range commands {
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command.Name = strings.ToUpper(name)
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commands[name] = command
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}
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return commands
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}()
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var commandsJSON = `{
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"SET":{
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"summary": "Sets the value of an id",
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"complexity": "O(1)",
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"arguments": [
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{
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"name": "key",
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"type": "string"
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},
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{
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"name": "id",
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"name": "string"
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},
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{
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"command": "FIELD",
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"name": ["name", "value"],
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"type": ["string", "double"],
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"optional": true,
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"multiple": true
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},
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{
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"name": "value",
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"enumargs": [
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{
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"name": "OBJECT",
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"arguments":[
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{
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"name": "geojson",
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"type": "geojson"
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}
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]
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},
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{
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"name": "POINT",
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"arguments":[
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{
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"name": "lat",
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"type": "double"
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},
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{
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"name": "lon",
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"type": "double"
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},
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{
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"name": "z",
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"type": "double",
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"optional": true
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}
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]
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},
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{
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"name": "BOUNDS",
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"arguments":[
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{
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"name": "minlat",
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"type": "double"
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},
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{
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"name": "minlon",
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"type": "double"
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},
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{
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"name": "maxlat",
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"type": "double"
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},
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{
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"name": "maxlon",
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"type": "double"
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}
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]
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},
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{
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"name": "HASH",
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"arguments":[
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{
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"name": "geohash",
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"type": "geohash"
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}
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]
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}
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]
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}
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],
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"since": "1.0.0",
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"group": "crud"
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},
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"FSET": {
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"summary": "Set the value for a single field of an id",
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"complexity": "O(1)",
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"arguments":[
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{
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"name": "key",
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"type": "string"
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},
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{
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"name": "id",
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"type": "string"
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},
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{
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"name": "field",
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"type": "string"
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},
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{
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"name": "value",
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"type": "double"
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}
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],
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"since": "1.0.0",
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"group": "crud"
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},
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"GET": {
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"summary": "Get the object of an id",
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"complexity": "O(1)",
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"arguments":[
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{
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"name": "key",
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"type": "string"
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},
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{
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"name": "id",
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"type": "string"
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},
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{
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"name": "type",
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"optional": true,
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"enumargs": [
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{
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"name": "OBJECT"
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},
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{
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"name": "POINT"
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},
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{
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"name": "BOUNDS"
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},
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{
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"name": "HASH",
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"arguments": [
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{
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"name": "precision",
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"type": "integer"
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}
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]
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}
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]
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}
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],
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"since": "1.0.0",
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"group": "crud"
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},
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"DEL": {
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"summary": "Delete an id from a key",
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"complexity": "O(1)",
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"arguments":[
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{
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"name": "key",
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"type": "string"
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},
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{
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"name": "id",
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"type": "string"
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}
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],
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"since": "1.0.0",
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"group": "crud"
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},
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"DROP": {
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"summary": "Remove a key from the database",
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"complexity": "O(1)",
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"arguments":[
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{
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"name": "key",
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"type": "string"
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}
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],
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"since": "1.0.0",
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"group": "crud"
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},
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"KEYS": {
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"summary": "Finds all keys matching the given pattern",
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"complexity": "O(N) where N is the number of keys in the database",
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"arguments":[
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{
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"name": "pattern",
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"type": "pattern"
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}
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],
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"since": "1.0.0",
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"group": "crud"
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},
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"STATS": {
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"summary": "Show stats for one or more keys",
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"complexity": "O(N) where N is the number of keys being requested",
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"arguments":[
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{
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"name": "key",
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"type": "string",
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"variadic": true
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}
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],
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"since": "1.0.0",
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"group": "crud"
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},
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"SCAN": {
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"summary": "Incrementally iterate though a key",
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"complexity": "O(N) where N is the number of ids in the key",
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"arguments":[
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{
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"name": "key",
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"type": "string"
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},
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{
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"command": "CURSOR",
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"name": "start",
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"type": "integer",
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"optional": true
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},
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{
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"command": "LIMIT",
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"name": "count",
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"type": "integer",
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"optional": true
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},
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{
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"command": "MATCH",
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"name": "pattern",
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"type": "pattern",
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"optional": true
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},
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{
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"command": "WHERE",
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"name": ["field","min","max"],
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"type": ["string","double","double"],
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"optional": true,
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"multiple": true
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},
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{
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"command": "NOFIELDS",
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"name": [],
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"type": [],
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"optional": true
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},
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{
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"name": "type",
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"optional": true,
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"enumargs": [
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{
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"name": "COUNT"
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},
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{
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"name": "IDS"
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},
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{
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"name": "OBJECTS"
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},
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{
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"name": "POINTS"
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},
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{
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"name": "BOUNDS"
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},
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{
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"name": "HASHES",
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"arguments": [
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{
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"name": "precision",
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"type": "integer"
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}
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]
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}
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]
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}
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],
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"since": "1.0.0",
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"group": "search"
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},
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"NEARBY": {
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"summary": "Searches for ids that are nearby a point",
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"complexity": "O(log(N)) where N is the number of ids in the area",
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"arguments":[
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{
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"name": "key",
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"type": "string"
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},
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{
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"command": "CURSOR",
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"name": "start",
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"type": "integer",
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"optional": true
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},
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{
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"command": "LIMIT",
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"name": "count",
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"type": "integer",
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"optional": true
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},
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{
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"command": "SPARSE",
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"name": "spread",
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"type": "integer",
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"optional": true
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},
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{
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"command": "MATCH",
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"name": "pattern",
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"type": "pattern",
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"optional": true
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},
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{
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"command": "WHERE",
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"name": ["field","min","max"],
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"type": ["string","double","double"],
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"optional": true,
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"multiple": true
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},
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{
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"command": "NOFIELDS",
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"name": [],
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"type": [],
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"optional": true
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},
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{
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"command": "FENCE",
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"name": [],
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"type": [],
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"optional": true
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},
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{
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"name": "type",
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"optional": true,
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"enumargs": [
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{
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"name": "COUNT"
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},
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{
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"name": "IDS"
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},
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{
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"name": "OBJECTS"
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},
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{
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"name": "POINTS"
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},
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{
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"name": "BOUNDS"
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},
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{
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"name": "HASHES",
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"arguments": [
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{
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"name": "precision",
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"type": "integer"
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}
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]
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}
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]
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},
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{
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"command": "POINT",
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"name": ["lat","lon","meters"],
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"type": ["double","double","double"]
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}
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],
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"since": "1.0.0",
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"group": "search"
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},
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"WITHIN": {
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"summary": "Searches for ids that are nearby a point",
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"complexity": "O(log(N)) where N is the number of ids in the area",
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"arguments":[
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{
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"name": "key",
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"type": "string"
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},
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{
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"command": "CURSOR",
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"name": "start",
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"type": "integer",
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"optional": true
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},
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{
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"command": "LIMIT",
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"name": "count",
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"type": "integer",
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"optional": true
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},
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{
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"command": "SPARSE",
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"name": "spread",
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"type": "integer",
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"optional": true
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},
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{
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"command": "MATCH",
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"name": "pattern",
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"type": "pattern",
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"optional": true
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},
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{
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"command": "WHERE",
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"name": ["field","min","max"],
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"type": ["string","double","double"],
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"optional": true,
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"multiple": true
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},
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{
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"command": "NOFIELDS",
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"name": [],
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"type": [],
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"optional": true
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},
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{
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"command": "FENCE",
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"name": [],
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"type": [],
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"optional": true
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},
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{
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"name": "type",
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"optional": true,
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"enumargs": [
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{
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"name": "COUNT"
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},
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{
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"name": "IDS"
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},
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{
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"name": "OBJECTS"
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},
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{
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"name": "POINTS"
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},
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{
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"name": "BOUNDS"
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},
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{
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"name": "HASHES",
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"arguments": [
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{
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"name": "precision",
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"type": "integer"
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}
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]
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}
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]
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},
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{
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"name": "area",
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"enumargs": [
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{
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"name": "GET",
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"arguments": [
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{
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"name": "key",
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"type": "string"
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},
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{
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"name": "id",
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"type": "string"
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}
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]
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},
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{
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"name": "BOUNDS",
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"arguments":[
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{
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"name": "minlat",
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"type": "double"
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},
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{
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"name": "minlon",
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"type": "double"
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},
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{
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"name": "maxlat",
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"type": "double"
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},
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{
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"name": "maxlon",
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"type": "double"
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}
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]
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},
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{
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"name": "OBJECT",
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"arguments":[
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{
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"name": "geojson",
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"type": "geojson"
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}
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]
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},
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{
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"name": "TILE",
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"arguments":[
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{
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"name": "x",
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"type": "double"
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},
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{
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"name": "y",
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"type": "double"
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},
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{
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"name": "z",
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"type": "double"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"name": "QUADKEY",
|
|
"arguments":[
|
|
{
|
|
"name": "quadkey",
|
|
"type": "string"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"name": "HASH",
|
|
"arguments": [
|
|
{
|
|
"name": "precision",
|
|
"type": "integer"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"since": "1.0.0",
|
|
"group": "search"
|
|
},
|
|
"INTERSECTS": {
|
|
"summary": "Searches for ids that are nearby a point",
|
|
"complexity": "O(log(N)) where N is the number of ids in the area",
|
|
"arguments":[
|
|
{
|
|
"name": "key",
|
|
"type": "string"
|
|
},
|
|
{
|
|
"command": "CURSOR",
|
|
"name": "start",
|
|
"type": "integer",
|
|
"optional": true
|
|
},
|
|
{
|
|
"command": "LIMIT",
|
|
"name": "count",
|
|
"type": "integer",
|
|
"optional": true
|
|
},
|
|
{
|
|
"command": "SPARSE",
|
|
"name": "spread",
|
|
"type": "integer",
|
|
"optional": true
|
|
},
|
|
{
|
|
"command": "MATCH",
|
|
"name": "pattern",
|
|
"type": "pattern",
|
|
"optional": true
|
|
},
|
|
{
|
|
"command": "WHERE",
|
|
"name": ["field","min","max"],
|
|
"type": ["string","double","double"],
|
|
"optional": true,
|
|
"multiple": true
|
|
},
|
|
{
|
|
"command": "NOFIELDS",
|
|
"name": [],
|
|
"type": [],
|
|
"optional": true
|
|
},
|
|
{
|
|
"command": "FENCE",
|
|
"name": [],
|
|
"type": [],
|
|
"optional": true
|
|
},
|
|
{
|
|
"name": "type",
|
|
"optional": true,
|
|
"enumargs": [
|
|
{
|
|
"name": "COUNT"
|
|
},
|
|
{
|
|
"name": "IDS"
|
|
},
|
|
{
|
|
"name": "OBJECTS"
|
|
},
|
|
{
|
|
"name": "POINTS"
|
|
},
|
|
{
|
|
"name": "BOUNDS"
|
|
},
|
|
{
|
|
"name": "HASHES",
|
|
"arguments": [
|
|
{
|
|
"name": "precision",
|
|
"type": "integer"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"name": "area",
|
|
"enumargs": [
|
|
{
|
|
"name": "GET",
|
|
"arguments": [
|
|
{
|
|
"name": "key",
|
|
"type": "string"
|
|
},
|
|
{
|
|
"name": "id",
|
|
"type": "string"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"name": "BOUNDS",
|
|
"arguments":[
|
|
{
|
|
"name": "minlat",
|
|
"type": "double"
|
|
},
|
|
{
|
|
"name": "minlon",
|
|
"type": "double"
|
|
},
|
|
{
|
|
"name": "maxlat",
|
|
"type": "double"
|
|
},
|
|
{
|
|
"name": "maxlon",
|
|
"type": "double"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"name": "OBJECT",
|
|
"arguments":[
|
|
{
|
|
"name": "geojson",
|
|
"type": "geojson"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"name": "TILE",
|
|
"arguments":[
|
|
{
|
|
"name": "x",
|
|
"type": "double"
|
|
},
|
|
{
|
|
"name": "y",
|
|
"type": "double"
|
|
},
|
|
{
|
|
"name": "z",
|
|
"type": "double"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"name": "QUADKEY",
|
|
"arguments":[
|
|
{
|
|
"name": "quadkey",
|
|
"type": "string"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"name": "HASH",
|
|
"arguments": [
|
|
{
|
|
"name": "precision",
|
|
"type": "integer"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"since": "1.0.0",
|
|
"group": "search"
|
|
},
|
|
"PING": {
|
|
"summary":"Ping the server",
|
|
"complexity": "O(1)",
|
|
"arguments": [],
|
|
"since": "1.0.0",
|
|
"group": "server"
|
|
},
|
|
"SERVER": {
|
|
"summary":"Show server stats and details",
|
|
"complexity": "O(1)",
|
|
"arguments": [],
|
|
"since": "1.0.0",
|
|
"group": "server"
|
|
},
|
|
"GC": {
|
|
"summary":"Forces a garbage collection",
|
|
"complexity": "O(1)",
|
|
"arguments": [],
|
|
"since": "1.0.0",
|
|
"group": "server"
|
|
},
|
|
"READONLY": {
|
|
"summary": "Turns on or off readonly mode",
|
|
"complexity": "O(1)",
|
|
"arguments": [
|
|
{
|
|
"enum": ["yes","no"]
|
|
}
|
|
],
|
|
"since": "1.0.0",
|
|
"group": "server"
|
|
},
|
|
"FLUSHDB": {
|
|
"summary":"Removes all keys",
|
|
"complexity": "O(1)",
|
|
"arguments": [],
|
|
"since": "1.0.0",
|
|
"group": "server"
|
|
},
|
|
"FOLLOW": {
|
|
"summary": "Follows a leader host",
|
|
"complexity": "O(1)",
|
|
"arguments": [
|
|
{
|
|
"name": "host",
|
|
"type": "string"
|
|
},
|
|
{
|
|
"name": "port",
|
|
"type": "integer"
|
|
}
|
|
],
|
|
"since": "1.0.0",
|
|
"group": "replication"
|
|
},
|
|
"AOF": {
|
|
"summary": "Downloads the AOF start from pos and keeps the connection alive",
|
|
"complexity": "O(1)",
|
|
"arguments": [
|
|
{
|
|
"name": "pos",
|
|
"type": "integer"
|
|
}
|
|
],
|
|
"since": "1.0.0",
|
|
"group": "replication"
|
|
},
|
|
"AOFMD5": {
|
|
"summary": "Performs a checksum on a portion of the aof",
|
|
"complexity": "O(1)",
|
|
"arguments": [
|
|
{
|
|
"name": "pos",
|
|
"type": "integer"
|
|
},
|
|
{
|
|
"name": "sizs",
|
|
"type": "integer"
|
|
}
|
|
],
|
|
"since": "1.0.0",
|
|
"group": "replication"
|
|
},
|
|
"AOFSHRINK": {
|
|
"summary": "Shrinks the aof in the background",
|
|
"complexity": "O(1)",
|
|
"arguments": [],
|
|
"since": "1.0.0",
|
|
"group": "replication"
|
|
}
|
|
}`
|
|
|
|
// --- Crud ---
|
|
// SET key id [FIELD name value ...] @input -- Sets the object of an id. -- O(1) -- F(key string, id string, name string, value double)
|
|
// FSET key id name value -- Set a single field of an id. -- O(1) -- F(key string, id string, value double)
|
|
// GET key id [OBJECT | POINT | BOUNDS | HASH precision] -- Get the object of an id. -- O(1) -- F(key string, id string)
|
|
// DEL key id -- Delete an id. -- O(1) -- F(key string, id string)
|
|
// DROP key -- Drops a key. -- O(1) -- F(key string)
|
|
// KEYS pattern -- Finds all keys matching the given pattern. -- O(N) where N is the number of keys in the database -- F(pattern pattern)
|
|
// STATS key [key ...] -- Show stats for one or more keys. -- O(N) where N is the number of keys being requested -- F(key string)
|
|
|
|
// --- Search ---
|
|
// SCAN key @options @output -- Incrementally iterate though a key. Some options are not allowed such as FENCE and SPARCE. -- O(N) where N is the number of ids in the key -- F(key string)
|
|
// NEARBY key @options @output POINT lat lon meters -- Searches for ids that are nearby a point. -- O(log(N)) where N is the number of ids in the area -- F(key string, lat double, lon double, meters double)
|
|
// WITHIN key @options @output @area -- Searches for ids that are fullly contained inside area. -- O(log(N)) where N is the number of ids in the area -- F(key string)
|
|
// INTERSECTS key @options @output @area -- Searches for ids that intersect an area. -- O(log(N)) where N is the number of ids in the area -- F(key string)
|
|
|
|
// --- Server ---
|
|
// PING -- Ping the server. -- O(1) -- F()
|
|
// SERVER -- Show server stats and details. -- O(1) -- F()
|
|
// GC -- Forces a garbage collection. -- O(1) -- F()
|
|
// HELP -- Prints this menu. -- O(1) -- F()
|
|
// READONLY value -- Turn on or off readonly mode. -- O(1) -- F(value boolean)
|
|
// FLUSHDB -- Removes all keys. -- O(1) -- F()
|
|
|
|
// --- Replication ---
|
|
// FOLLOW host port -- Follows a leader host. -- O(1) F(host string, port integer)
|
|
// AOF pos -- Downloads an aof starting from pos. The connection does not close and continues to load data. -- O(1) F(pos integer)
|
|
// AOFMD5 pos size -- Does a checksum on a portion of the aof. -- O(1) F(pos integer, size integer)
|
|
// AOFSHRINK -- Shrinks the aof in the background. -- O(1) F()
|
|
|
|
// --- Dev ---
|
|
// MASSINSERT keys count -- Randomly inserts objects in to specified number of key. -- O(N) where N is the number keys being created -- F(keys integer, count integer) -- !dev only!
|
|
|
|
// --- Parameters ---
|
|
// @input (OBJECT... | POINT... | BOUNDS... | HASH...)
|
|
// @options [CURSOR...] [LIMIT...] [SPARSE...] [MATCH...] [WHERE...] [NOFIELDS] [FENCE]
|
|
// @output [COUNT | IDS | OBJECTS | POINTS | BOUNDS | HASHES...]
|
|
// @area [GET... | BOUNDS... | OBJECT... | TILE... | QUADKEY... | HASH precision]
|
|
// FENCE -- Opens a live fence. -- F()
|
|
// FIELD... FIELD name value -- A name and value of a field. -- F(name string, value double)
|
|
// CURSOR... CURSOR start -- Value indicating the starting position of the next page of data. -- F(start integer)
|
|
// NOFIELDS NOFIELDS -- Do not return fields with the results. -- F()
|
|
// LIMIT... LIMIT count -- Limit the number of items returned. default is 100. -- F(count integer)
|
|
// WHERE... WHERE field min max -- Filters results where a field is between min and max. http://redis.io/commands/ZRANGEBYSCORE. -- F(field string, min integer, max integer)
|
|
// MATCH... MATCH pattern -- Filters results where the id matched the pattern. -- F(pattern pattern)
|
|
// BOUNDS... BOUNDS minlat minlon maxlat maxlon -- Bounding box. -- F(minlat double, minlon double, maxlat double, maxlon double)
|
|
// OBJECT... OBJECT object -- Valid GeoJSON object. -- F(object geojson)
|
|
// POINT... POINT lat lon [z] -- Standard coordinate. -- F(lat double, lon double, z double)
|
|
// HASHES... HASHES precision -- Geohash. The precision must between 1 and 22. -- F(precision double)
|
|
// HASH... HASH hash -- Geohash. -- F(hash geohash)
|
|
// QUADKEY... QUADKEY key -- Quadkey. -- F(key quadkey)
|
|
// TILE... TILE x y z -- Google XYZ tile. -- F(x double, y double, z double)
|
|
// GET... GET key id -- An internal object. -- F(key string, id string)
|