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addl lex commands for mongo

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This commit is contained in:
yariplus
2016-10-16 20:37:48 -04:00
parent ef20757f3e
commit 437d2744cc
1 changed files with 36 additions and 2 deletions
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38
src/database/mongo/sorted.js
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@@ -579,7 +579,22 @@ module.exports = function (db, module) {
};
module.getSortedSetRangeByLex = function (key, min, max, start, count, callback) {
var query = {_key: key};
sortedSetLex(key, min, max, 1, start, count, callback);
};
module.getSortedSetRevRangeByLex = function (key, min, max, start, count, callback) {
sortedSetLex(key, min, max, -1, start, count, callback);
};
module.sortedSetLexCount = function (key, min, max, callback) {
sortedSetLex(key, min, max, 1, 0, 0, function (err, data) {
callback(err, data ? data.length : null);
});
};
function sortedSetLex(method, sort, key, min, max, start, count, callback) {
var query = {_key: key, value: {}};
if (min !== '-') {
query.value = {$gte: min};
}
@@ -587,8 +602,9 @@ module.exports = function (db, module) {
query.value = query.value || {};
query.value.$lte = max;
}
db.collection('objects').find(query, {_id: 0, value: 1})
.sort({value: 1})
.sort({value: sort})
.skip(start)
.limit(count === -1 ? 0 : count)
.toArray(function (err, data) {
@@ -600,6 +616,24 @@ module.exports = function (db, module) {
});
callback(err, data);
});
}
module.sortedSetRemoveRangeByLex = function (key, min, max, callback) {
callback = callback || helpers.noop;
var query = {_key: key};
if (min !== '-') {
query.value = {$gte: min};
}
if (max !== '+') {
query.value = query.value || {};
query.value.$lte = max;
}
db.collection('objects').remove(query, function (err) {
callback(err);
});
};
module.processSortedSet = function (setKey, process, batch, callback) {