Paweł Domański
84 lines
1.1 KiB
Bash
84 lines
1.1 KiB
Bash
#!/bin/bash
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# Reports statistics for all tables
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HOST=""
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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: $0 -d <dbname> -t <table> [-h <host> -U <user> -p <port>]"
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exit 1
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}
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while getopts "d:h:p:t:U:u" OPT;
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do case "${OPT}" in
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d) DBNAME=$OPTARG
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;;
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h) HOST="-h $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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DBNAME="playmaker"
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fi
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if [ "$TBL" = "" ]
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then
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usage
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fi
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getver()
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{
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VER=$(psql -t $PORT $HOST $USER $DBNAME <<_QRYVER_
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SELECT version();
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_QRYVER_
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)
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}
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getver
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current_stats() {
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STATLIST=$(psql -q $HOST $PORT $USER $DBNAME <<_QUERY_
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SELECT schemaname,
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tablename,
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attname As colname,
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n_distinct,
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array_to_string(most_common_vals, E'\n') AS common_vals,
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array_to_string(most_common_freqs, E'\n') As dist_freq
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FROM pg_stats
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WHERE tablename = '$TBL'
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ORDER BY schemaname,
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tablename,
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attname;
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_QUERY_
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)
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}
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##### MAIN #####
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echo "HOST=$HOST"
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echo "PORT=$PORT"
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echo "USER=$USER"
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echo "TBL=$TBL"
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echo "DBNAME=$DBNAME"
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current_stats
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echo "${STATLIST}"
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exit 0
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