Paweł Domański
71 lines
1.0 KiB
Bash
71 lines
1.0 KiB
Bash
#!/bin/bash
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USER=""
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PORT=""
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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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fi
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getver()
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{
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VER=$(psql $PORT -t $USER $DBNAME <<_QRYVER_
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SELECT version();
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_QRYVER_
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)
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}
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getver
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VER=$(echo $VER | cut -c -16)
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echo "Version is $VER"
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get_dependents() {
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DEPLIST=$(psql $PORT -q $USER $DBNAME <<_QUERY_
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SELECT n.nspname as schema,
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pa.relname as parent,
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ch.relname as dependent,
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cn.conname as constraint_name
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FROM pg_constraint cn
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JOIN pg_class pa ON (pa.oid = cn.confrelid)
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JOIN pg_class ch ON (ch.oid = cn.conrelid)
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JOIN pg_namespace n ON (n.oid = pa.relnamespace)
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WHERE pa.relname LIKE '%$TBL%'
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AND contype = 'f'
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ORDER BY 1, 2, 3;
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_QUERY_
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)
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}
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get_dependents
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echo "${DEPLIST}"
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exit 0
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