Check set of date intervals - Mailing list pgsql-sql

From Anton Gavazuk
Subject Check set of date intervals
Date
Msg-id AANLkTil8uYMMxel-SmWLDEuHPu0l2DHM0CjetnxAX3GL@mail.gmail.com
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Responses Re: Check set of date intervals
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Hi all,<br /><br />have such relation A:<br /><br />PERIOD_ID | DATE_START | DATE_END | OTHER_ATTRIBUTES...<br />     
1        | 01.01.2010      |  01.02.2010 ....<br />      2         | 03.02.2010      |  04.03.2010 .....<br />......<br
/><br/>I want to search among periods for the set of periods which completely covers passed search period.<br />As
example- if I pass search period '15.01.2010 to 15.02.2010' the result set must be empty because there is gap between
01.02and 03.02.<br /><br />please, suggest an idea how to implement this in SQL without writing a procedure.<br /><br
/>Thanks,<br/>Anton<br /> 

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