19 lines
805 B
MySQL
19 lines
805 B
MySQL
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/*---------------------------------------------------------------------------
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* Written a while ago. I think it finds hosts called "'host1' and 'host2'"
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* and pulls the individual hosts out of the pair so that they can be
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* installed into the table as separate hosts
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---------------------------------------------------------------------------- */
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select ho.hostid, ho.host, n1.hostid, n1.host, n1.host1, n2.hostid, n2.host, n2.host2
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from hosts ho
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left join (select hostid, host, left(host,instr(host,' and ')-1) as host1
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from hosts
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where host like '% and %') as n1
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on n1.host1 = ho.host
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left join (select hostid, host, substring(host,instr(host,' and ')+5) as host2
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from hosts
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where host like '% and %') as n2
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on n2.host2 = ho.host
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where n1.host1 is not null
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or n2.host2 is not null
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;
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