12 lines
519 B
Ruby
12 lines
519 B
Ruby
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# shows the effect of using .all_hashes instead of looping on each hash
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# run it by substiting in a 'long' [many row] query for the query variable and toggling use_all_hashes here at the top
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# note that we load all the rows first, then run .all_hashes on the result [to see more easily the effect of all hashes]
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# on my machine and a 200_000 row table, it took 3.38s versus 3.65s
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require 'rubygems'
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require 'mysqlplus'
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a = Mysql.real_connect('localhost','root')
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100.times { a.query("select sleep(0)") }
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print "pass"
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