This commit is contained in:
Michael Shanks 2019-11-09 06:33:56 +00:00
parent 1d6cecc1c3
commit 989d55999b
1 changed files with 25 additions and 2 deletions

View File

@ -18,11 +18,34 @@ const allIdChars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWX
const _new_getShardPath = (recordNode, key) => { const _new_getShardPath = (recordNode, key) => {
const id = getFileFromKey(key); const id = getFileFromKey(key);
const determineShardFactors = (currentRecordCount, factors=[]) => {
const thisFactor = currentRecordCount / 1000 /**
* folderStructureArray should return an array like
* - [1] = all records fit into one folder
* - [2] = all records fite into 2 folders
* - [64, 3] = all records fit into 64 * 3 folders
* - [64, 64, 10] = all records fit into 64 * 64 * 10 folder
* (there are 64 possible chars in allIsChars)
*/
const folderStructureArray = (currentArray=[], currentFolderPosition=0) => {
const maxRecords = currentFolderPosition === 0
? RECORDS_PER_FOLDER
: currentFolderPosition * 64 * RECORDS_PER_FOLDER;
if(maxRecords < recordNode.estimatedRecordCount) {
return folderStructureArray(
[...currentArray, 64],
currentFolderPosition + 1);
} else {
const childFolderCount = Math.ceil(maxRecords / recordNode.estimatedRecordCount);
return [...currentArray, childFolderCount]
} }
} }
const folderStructure = folderStructureArray();
}
const allIdsStringsForFactor = (collectionNode) => { const allIdsStringsForFactor = (collectionNode) => {
const factor = collectionNode.allidsShardFactor; const factor = collectionNode.allidsShardFactor;
const charRangePerShard = 64 / factor; const charRangePerShard = 64 / factor;