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countKey optimze fast path

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Kay Marquardt (Gnadelwartz) 2020-06-14 17:39:18 +02:00
parent 2281943940
commit cc69310a7e
1 changed files with 13 additions and 13 deletions
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26
modules/jsonDB.sh
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@ -5,7 +5,7 @@
# This file is public domain in the USA and all free countries.
# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
#
#### $$VERSION$$ v0.98-dev-12-gde811c1
#### $$VERSION$$ v0.98-dev-13-g2281943
#
# source from commands.sh to use jsonDB functions
#
@ -138,18 +138,18 @@ if _exists flock; then
# side effect: if $3 is not given, we add to end of file to be as fast as possible
jssh_countKeyDB() {
[[ "$1" =~ ^[-a-zA-Z0-9,._]+$ ]] || return 3
local DB; DB="$(jssh_checkDB "$2")"
declare -A oldARR
local VAL DB; DB="$(jssh_checkDB "$2")"
# start atomic delete here, exclusive max wait 5
{ flock -e -w 5 200
Json2Array "oldARR" <"${DB}"
if [ -n "$3" ]; then
declare -A oldARR
Json2Array "oldARR" <"${DB}"
(( oldARR["$1"]+="$3" ));
Array2Json "oldARR" >"${DB}"
else
elif [ -r "${DB}" ]; then
# it's append, but last one counts, its a simple DB ...
(( oldARR["$1"]++ ));
printf '["%s"]\t"%s"\n' "${1//,/\",\"}" "${oldARR["$1"]//\"/\\\"}" >>"${DB}"
VAL="$(sed -n 's/\["'"$1"'"\]\t*"\(.*\)"/\1/p' <"${DB}" | tail -n 1)"
printf '["%s"]\t"%s"\n' "${1//,/\",\"}" "$((++VAL))" >>"${DB}"
fi
} 200>"${DB}${BASHBOT_LOCKNAME}"
}
@ -291,17 +291,17 @@ jssh_getKeyDB_async() {
jssh_countKeyDB_async() {
[[ "$1" =~ ^[-a-zA-Z0-9,._]+$ ]] || return 3
local DB; DB="$(jssh_checkDB "$2")"
declare -A oldARR
local VAL DB; DB="$(jssh_checkDB "$2")"
# start atomic delete here, exclusive max wait 5
Json2Array "oldARR" <"${DB}"
if [ -n "$3" ]; then
declare -A oldARR
Json2Array "oldARR" <"${DB}"
(( oldARR["$1"]+="$3" ));
Array2Json "oldARR" >"${DB}"
else
elif [ -r "${DB}" ]; then
# it's append, but last one counts, its a simple DB ...
(( oldARR["$1"]++ ));
printf '["%s"]\t"%s"\n' "${1//,/\",\"}" "${oldARR["$1"]//\"/\\\"}" >>"${DB}"
VAL="$(sed -n 's/\["'"$1"'"\]\t*"\(.*\)"/\1/p' <"${DB}" | tail -n 1)"
printf '["%s"]\t"%s"\n' "${1//,/\",\"}" "$((++VAL))" >>"${DB}"
fi
}