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two questions about lua scripting
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Xiangrong Fang  
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 More options Jul 26 2012, 9:50 pm
From: Xiangrong Fang <xrf...@gmail.com>
Date: Fri, 27 Jul 2012 09:50:22 +0800
Local: Thurs, Jul 26 2012 9:50 pm
Subject: two questions about lua scripting
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Hi All,

1) Is there a sha1 function?  I read here:
http://antirez.com/m/p.php?i=234about sha1(), but seems not available?

2) I need to write current time to a hash's field (as an object's last
updated timestamp), but TIME is not allowed in writing context. I can use
an external time source, but why on earth is this decision? What
consequence will there be, if we can call TIME in lua scripting?

Thanks,
Shannon

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Arek Bochinski  
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 More options Jul 27 2012, 12:01 am
From: Arek Bochinski <zeeero.co...@gmail.com>
Date: Fri, 27 Jul 2012 00:01:24 -0400
Local: Fri, Jul 27 2012 12:01 am
Subject: Re: two questions about lua scripting
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redis.sha1hex(string) will return a hex digest.
https://github.com/antirez/redis/blob/unstable/src/scripting.c#L508


 
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Sebastian  
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 More options Jul 27 2012, 7:41 am
From: Sebastian <seppo0...@gmail.com>
Date: Fri, 27 Jul 2012 08:41:28 -0300
Local: Fri, Jul 27 2012 7:41 am
Subject: Re: two questions about lua scripting
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About the time, I'm pretty sure that's because of replication. If the
time is a parameter it can be replicated, but if the time is read from
the OS every time the results will be different. The same thing applies
to random parameters.

On 7/27/12 1:01 AM, Arek Bochinski wrote:


 
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Xiangrong Fang  
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 More options Jul 29 2012, 9:48 pm
From: Xiangrong Fang <xrf...@gmail.com>
Date: Mon, 30 Jul 2012 09:48:25 +0800
Local: Sun, Jul 29 2012 9:48 pm
Subject: Re: two questions about lua scripting
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I still don't understand why replication is a problem. On the EVAL document
page there is a demo on generating random keys, by calling math.random() in
lua.   Since it is "random" why Redis insist that Master and Slave must
hold the same data?

2012/7/27 Sebastian <seppo0...@gmail.com>

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