redis/scripting_commands.go

216 lines
6.7 KiB
Go

package redis
import "context"
type ScriptingFunctionsCmdable interface {
Eval(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd
EvalSha(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd
EvalRO(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd
EvalShaRO(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd
ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd
ScriptFlush(ctx context.Context) *StatusCmd
ScriptKill(ctx context.Context) *StatusCmd
ScriptLoad(ctx context.Context, script string) *StringCmd
FunctionLoad(ctx context.Context, code string) *StringCmd
FunctionLoadReplace(ctx context.Context, code string) *StringCmd
FunctionDelete(ctx context.Context, libName string) *StringCmd
FunctionFlush(ctx context.Context) *StringCmd
FunctionKill(ctx context.Context) *StringCmd
FunctionFlushAsync(ctx context.Context) *StringCmd
FunctionList(ctx context.Context, q FunctionListQuery) *FunctionListCmd
FunctionDump(ctx context.Context) *StringCmd
FunctionRestore(ctx context.Context, libDump string) *StringCmd
FunctionStats(ctx context.Context) *FunctionStatsCmd
FCall(ctx context.Context, function string, keys []string, args ...interface{}) *Cmd
FCallRo(ctx context.Context, function string, keys []string, args ...interface{}) *Cmd
FCallRO(ctx context.Context, function string, keys []string, args ...interface{}) *Cmd
}
func (c cmdable) Eval(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd {
return c.eval(ctx, "eval", script, keys, args...)
}
func (c cmdable) EvalRO(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd {
return c.eval(ctx, "eval_ro", script, keys, args...)
}
func (c cmdable) EvalSha(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd {
return c.eval(ctx, "evalsha", sha1, keys, args...)
}
func (c cmdable) EvalShaRO(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd {
return c.eval(ctx, "evalsha_ro", sha1, keys, args...)
}
func (c cmdable) eval(ctx context.Context, name, payload string, keys []string, args ...interface{}) *Cmd {
cmdArgs := make([]interface{}, 3+len(keys), 3+len(keys)+len(args))
cmdArgs[0] = name
cmdArgs[1] = payload
cmdArgs[2] = len(keys)
for i, key := range keys {
cmdArgs[3+i] = key
}
cmdArgs = appendArgs(cmdArgs, args)
cmd := NewCmd(ctx, cmdArgs...)
// it is possible that only args exist without a key.
// rdb.eval(ctx, eval, script, nil, arg1, arg2)
if len(keys) > 0 {
cmd.SetFirstKeyPos(3)
}
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd {
args := make([]interface{}, 2+len(hashes))
args[0] = "script"
args[1] = "exists"
for i, hash := range hashes {
args[2+i] = hash
}
cmd := NewBoolSliceCmd(ctx, args...)
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) ScriptFlush(ctx context.Context) *StatusCmd {
cmd := NewStatusCmd(ctx, "script", "flush")
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) ScriptKill(ctx context.Context) *StatusCmd {
cmd := NewStatusCmd(ctx, "script", "kill")
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) ScriptLoad(ctx context.Context, script string) *StringCmd {
cmd := NewStringCmd(ctx, "script", "load", script)
_ = c(ctx, cmd)
return cmd
}
// ------------------------------------------------------------------------------
// FunctionListQuery is used with FunctionList to query for Redis libraries
//
// LibraryNamePattern - Use an empty string to get all libraries.
// - Use a glob-style pattern to match multiple libraries with a matching name
// - Use a library's full name to match a single library
// WithCode - If true, it will return the code of the library
type FunctionListQuery struct {
LibraryNamePattern string
WithCode bool
}
func (c cmdable) FunctionLoad(ctx context.Context, code string) *StringCmd {
cmd := NewStringCmd(ctx, "function", "load", code)
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionLoadReplace(ctx context.Context, code string) *StringCmd {
cmd := NewStringCmd(ctx, "function", "load", "replace", code)
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionDelete(ctx context.Context, libName string) *StringCmd {
cmd := NewStringCmd(ctx, "function", "delete", libName)
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionFlush(ctx context.Context) *StringCmd {
cmd := NewStringCmd(ctx, "function", "flush")
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionKill(ctx context.Context) *StringCmd {
cmd := NewStringCmd(ctx, "function", "kill")
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionFlushAsync(ctx context.Context) *StringCmd {
cmd := NewStringCmd(ctx, "function", "flush", "async")
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionList(ctx context.Context, q FunctionListQuery) *FunctionListCmd {
args := make([]interface{}, 2, 5)
args[0] = "function"
args[1] = "list"
if q.LibraryNamePattern != "" {
args = append(args, "libraryname", q.LibraryNamePattern)
}
if q.WithCode {
args = append(args, "withcode")
}
cmd := NewFunctionListCmd(ctx, args...)
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionDump(ctx context.Context) *StringCmd {
cmd := NewStringCmd(ctx, "function", "dump")
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionRestore(ctx context.Context, libDump string) *StringCmd {
cmd := NewStringCmd(ctx, "function", "restore", libDump)
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FunctionStats(ctx context.Context) *FunctionStatsCmd {
cmd := NewFunctionStatsCmd(ctx, "function", "stats")
_ = c(ctx, cmd)
return cmd
}
func (c cmdable) FCall(ctx context.Context, function string, keys []string, args ...interface{}) *Cmd {
cmdArgs := fcallArgs("fcall", function, keys, args...)
cmd := NewCmd(ctx, cmdArgs...)
if len(keys) > 0 {
cmd.SetFirstKeyPos(3)
}
_ = c(ctx, cmd)
return cmd
}
// FCallRo this function simply calls FCallRO,
// Deprecated: to maintain convention FCallRO.
func (c cmdable) FCallRo(ctx context.Context, function string, keys []string, args ...interface{}) *Cmd {
return c.FCallRO(ctx, function, keys, args...)
}
func (c cmdable) FCallRO(ctx context.Context, function string, keys []string, args ...interface{}) *Cmd {
cmdArgs := fcallArgs("fcall_ro", function, keys, args...)
cmd := NewCmd(ctx, cmdArgs...)
if len(keys) > 0 {
cmd.SetFirstKeyPos(3)
}
_ = c(ctx, cmd)
return cmd
}
func fcallArgs(command string, function string, keys []string, args ...interface{}) []interface{} {
cmdArgs := make([]interface{}, 3+len(keys), 3+len(keys)+len(args))
cmdArgs[0] = command
cmdArgs[1] = function
cmdArgs[2] = len(keys)
for i, key := range keys {
cmdArgs[3+i] = key
}
cmdArgs = append(cmdArgs, args...)
return cmdArgs
}