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67 lines
2.6 KiB
Go
67 lines
2.6 KiB
Go
package goredis
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// ScriptExists returns information about the existence of the scripts in the script cache.
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// Multi-bulk reply The command returns an array of integers
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// that correspond to the specified SHA1 digest arguments.
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// For every corresponding SHA1 digest of a script that actually exists in the script cache.
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func (r *Redis) ScriptExists(scripts ...string) ([]bool, error) {
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args := packArgs("SCRIPT", "EXISTS", scripts)
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rp, err := r.ExecuteCommand(args...)
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if err != nil {
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return nil, err
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}
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return rp.BoolArrayValue()
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}
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// ScriptFlush flush the Lua scripts cache.
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// Please refer to the EVAL documentation for detailed information about Redis Lua scripting.
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func (r *Redis) ScriptFlush() error {
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rp, err := r.ExecuteCommand("SCRIPT", "FLUSH")
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if err != nil {
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return err
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}
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return rp.OKValue()
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}
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// ScriptKill kills the currently executing Lua script,
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// assuming no write operation was yet performed by the script.
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func (r *Redis) ScriptKill() error {
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rp, err := r.ExecuteCommand("SCRIPT", "KILL")
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if err != nil {
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return err
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}
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return rp.OKValue()
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}
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// ScriptLoad Load a script into the scripts cache, without executing it.
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// After the specified command is loaded into the script cache
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// it will be callable using EVALSHA with the correct SHA1 digest of the script,
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// exactly like after the first successful invocation of EVAL.
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// Bulk reply This command returns the SHA1 digest of the script added into the script cache.
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func (r *Redis) ScriptLoad(script string) (string, error) {
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rp, err := r.ExecuteCommand("SCRIPT", "LOAD", script)
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if err != nil {
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return "", err
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}
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return rp.StringValue()
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}
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// Eval first argument of EVAL is a Lua 5.1 script.
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// The script does not need to define a Lua function (and should not).
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// It is just a Lua program that will run in the context of the Redis server.
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// The second argument of EVAL is the number of arguments that follows the script
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// (starting from the third argument) that represent Redis key names.
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// This arguments can be accessed by Lua using the KEYS global variable
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// in the form of a one-based array (so KEYS[1], KEYS[2], ...).
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func (r *Redis) Eval(script string, keys []string, args []string) (*Reply, error) {
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cmds := packArgs("EVAL", script, len(keys), keys, args)
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return r.ExecuteCommand(cmds...)
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}
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// EvalSha evaluates a script cached on the server side by its SHA1 digest.
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// Scripts are cached on the server side using the SCRIPT LOAD command.
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func (r *Redis) EvalSha(sha1 string, keys []string, args []string) (*Reply, error) {
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cmds := packArgs("EVALSHA", sha1, len(keys), keys, args)
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return r.ExecuteCommand(cmds...)
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}
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