snipt

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SQL

Monitor active PostgreSQL queries against a database

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SELECT procpid, current_query, waiting
FROM   pg_stat_activity
WHERE  datname = 'your_database_name'
AND    current_query <> '<IDLE>';
https://snippets.siftie.com/embed/47684408f6eae77c0384c2e2644d693d/
/raw/47684408f6eae77c0384c2e2644d693d/
47684408f6eae77c0384c2e2644d693d
sql
SQL
4
2019-04-20T07:24:55
True
False
False
/api/public/snipt/13311/
monitor-active-postgresql-queries-against-a-database
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1">1</a> <a href="#L-2">2</a> <a href="#L-3">3</a> <a href="#L-4">4</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="k">SELECT</span> <span class="n">procpid</span><span class="p">,</span> <span class="n">current_query</span><span class="p">,</span> <span class="n">waiting</span> </span><span id="L-2"><a name="L-2"></a><span class="k">FROM</span> <span class="n">pg_stat_activity</span> </span><span id="L-3"><a name="L-3"></a><span class="k">WHERE</span> <span class="n">datname</span> <span class="o">=</span> <span class="s1">&#39;your_database_name&#39;</span> </span><span id="L-4"><a name="L-4"></a><span class="k">AND</span> <span class="n">current_query</span> <span class="o">&lt;&gt;</span> <span class="s1">&#39;&lt;IDLE&gt;&#39;</span><span class="p">;</span> </span></pre></div> </td></tr></table>
db, psql, query

Bash

Drop all tables from PostgreSQL DB without superuser

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psql -t -d my_dbname -c "SELECT 'DROP TABLE ' || n.nspname || '.' ||
c.relname || ' CASCADE;' FROM pg_catalog.pg_class AS c LEFT JOIN
pg_catalog.pg_namespace AS n ON n.oid = c.relnamespace WHERE relkind =
'r' AND n.nspname NOT IN ('pg_catalog', 'pg_toast') AND
pg_catalog.pg_table_is_visible(c.oid)" >/tmp/droptables

psql -d my_dbname -f /tmp/droptables
https://snippets.siftie.com/embed/d4e3c9b96cbc3fd791b8ee43a7edb971/
/raw/d4e3c9b96cbc3fd791b8ee43a7edb971/
d4e3c9b96cbc3fd791b8ee43a7edb971
bash
Bash
7
2019-04-22T21:48:26
True
False
False
/api/public/snipt/5372/
drop-all-tables-from-postgresql-db-without-superuser
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1">1</a> <a href="#L-2">2</a> <a href="#L-3">3</a> <a href="#L-4">4</a> <a href="#L-5">5</a> <a href="#L-6">6</a> <a href="#L-7">7</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a>psql -t -d my_dbname -c <span class="s2">&quot;SELECT &#39;DROP TABLE &#39; || n.nspname || &#39;.&#39; ||</span> </span><span id="L-2"><a name="L-2"></a><span class="s2">c.relname || &#39; CASCADE;&#39; FROM pg_catalog.pg_class AS c LEFT JOIN</span> </span><span id="L-3"><a name="L-3"></a><span class="s2">pg_catalog.pg_namespace AS n ON n.oid = c.relnamespace WHERE relkind =</span> </span><span id="L-4"><a name="L-4"></a><span class="s2">&#39;r&#39; AND n.nspname NOT IN (&#39;pg_catalog&#39;, &#39;pg_toast&#39;) AND</span> </span><span id="L-5"><a name="L-5"></a><span class="s2">pg_catalog.pg_table_is_visible(c.oid)&quot;</span> &gt;/tmp/droptables </span><span id="L-6"><a name="L-6"></a> </span><span id="L-7"><a name="L-7"></a>psql -d my_dbname -f /tmp/droptables </span></pre></div> </td></tr></table>
bash, db, postgresql