Paweł Domański
57 lines
1.2 KiB
Bash
57 lines
1.2 KiB
Bash
#!/bin/bash
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# SHOWS TABLES AND SIZES FOR ALL TABLES
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# SHOULD BE RUN AS SUPERUSER
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PORT=""
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USER=""
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TBL=""
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usage() {
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echo "Usage: $0 -d <dbname> [-t <table> -p <port> -U <user>]"
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exit 1
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}
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while getopts "d:p:t:U:u" OPT;
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do case "${OPT}" in
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d) DBNAME=$OPTARG
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;;
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p) PORT="-p $OPTARG"
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;;
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t) TBL="$OPTARG"
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;;
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U) USER="-U $OPTARG"
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;;
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u) usage
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;;
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[?]) usage
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esac;
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done
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if [ "$DBNAME" = "" ]
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then
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usage
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exit 1
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fi
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psql $PORT $USER $DBNAME <<_CODE_
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SELECT quote_ident(N.nspname),
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quote_ident(T.relname) AS "table",
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quote_ident(C.relname) AS idx_name,
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round(100 * pg_relation_size(indexrelid) / pg_relation_size(indrelid) ) / 100 AS "index_ratio %",
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pg_size_pretty(pg_relation_size(indexrelid) ) AS index_size,
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pg_size_pretty(pg_relation_size(indrelid) ) AS table_size_size
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FROM pg_index I
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LEFT JOIN pg_class C ON (c.oid = I.indexrelid)
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LEFT JOIN pg_class T ON (T.oid = I.indrelid)
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LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
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WHERE nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast')
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AND c.relkind = 'i'
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AND pg_relation_size(indrelid) > 0
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AND C.relname LIKE '%$TBL%'
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ORDER BY 4 DESC, 2;
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_CODE_
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