Paweł Domański
141 lines
2.9 KiB
Bash
141 lines
2.9 KiB
Bash
#!/bin/bash
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# Shows statistics for all indexes on all selected table
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PORT=""
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USER=""
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TBL="%"
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COLS=""
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usage() {
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echo "Usage: $0 -d <dbname> [-U <user> -p <port> -t <table> -s ]"
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echo "dbname REQUIRED"
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echo "-s will show columns used in index"
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exit 1
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}
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getver()
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{
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VER=$(psql -t $PORT $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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set_qry_cols() {
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QRY="SELECT n.nspname as schema,
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i.relname as table,
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i.indexrelname as index,
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i.idx_scan,
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i.idx_tup_read,
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i.idx_tup_fetch,
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CASE WHEN idx.indisprimary
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THEN 'pkey'
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WHEN idx.indisunique
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THEN 'uidx'
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ELSE 'idx'
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END AS type,
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pg_get_indexdef(idx.indexrelid, 1, FALSE) as idxcol1,
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pg_get_indexdef(idx.indexrelid, 2, FALSE) as idxcol2,
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pg_get_indexdef(idx.indexrelid, 3, FALSE) as idxcol3,
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pg_get_indexdef(idx.indexrelid, 4, FALSE) as idxcol4,
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CASE WHEN idx.indisvalid
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THEN 'valid'
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ELSE 'INVALID'
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END as status,
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pg_relation_size( quote_ident(n.nspname) || '.' || quote_ident(i.relname) ) as size_in_bytes,
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pg_size_pretty(pg_relation_size(quote_ident(n.nspname)|| '.' || quote_ident(i.relname) )) as size
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FROM pg_stat_all_indexes i
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JOIN pg_class c ON (c.oid = i.relid)
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JOIN pg_namespace n ON (n.oid = c.relnamespace)
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JOIN pg_index idx ON (idx.indexrelid = i.indexrelid )
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WHERE i.relname LIKE '%$TBL%'
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AND n.nspname NOT LIKE 'pg_%'
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ORDER BY 1, 2, 3;"
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}
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set_qry_nocols() {
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QRY="SELECT n.nspname as schema,
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i.relname as table,
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i.indexrelname as index,
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i.idx_scan,
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i.idx_tup_read,
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i.idx_tup_fetch,
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CASE WHEN idx.indisprimary
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THEN 'pkey'
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WHEN idx.indisunique
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THEN 'uidx'
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ELSE 'idx'
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END AS type,
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CASE WHEN idx.indisvalid
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THEN 'valid'
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ELSE 'INVALID'
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END as status,
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pg_relation_size(quote_ident(n.nspname) || '.' || quote_ident(i.relname) ) as size_in_bytes
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FROM pg_stat_all_indexes i
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JOIN pg_class c ON (c.oid = i.relid)
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JOIN pg_namespace n ON (n.oid = c.relnamespace)
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JOIN pg_index idx ON (idx.indexrelid = i.indexrelid )
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WHERE i.relname LIKE '%$TBL%'
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AND n.nspname NOT LIKE 'pg_%'
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ORDER BY 1, 2, 3;"
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}
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current_stats() {
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STATLIST=$(psql -q -U postgres $DBNAME <<_QUERY_
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$QRY
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_QUERY_
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)
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}
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###########################################################
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# MAIN #
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###########################################################
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while getopts "d:p:st:uU:" 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 $OPTARG"
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;;
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s) COLS="TRUE"
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;;
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t) TBL="$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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VER=$(echo $VER | cut -c -16)
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echo "Version is $VER"
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if [ "$COLS" = "TRUE" ]
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then
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set_qry_cols
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else
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set_qry_nocols
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fi
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current_stats
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echo "${STATLIST}"
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exit 0
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