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Mysql bulk delete using "not in"


Mysql bulk delete using "not in"

By : user3861859
Date : November 21 2020, 07:01 PM
will help you Anybody can help me with this mysql query: , Should it not be this without single quotes?
code :


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MYSQL Bulk "INSERT ... ON DUPLICATE KEY UPDATE ..." via "LOAD DATA INFILE"

MYSQL Bulk "INSERT ... ON DUPLICATE KEY UPDATE ..." via "LOAD DATA INFILE"


By : user3317626
Date : March 29 2020, 07:55 AM
Hope that helps Depending on your exact requirements, you may be able to accomplish this using the REPLACE option of LOAD DATA INFILE. From the manual:
If you specify REPLACE, input rows replace existing rows. In other words, rows that have the same value for a primary key or unique index as an existing row. See Section 12.2.7, “REPLACE Syntax”.
code :
LOAD DATA INFILE '/tmp/data.txt'
REPLACE INTO TABLE your_table
(column1, column2, ...)
"HTTP method DELETE doesn't support output" exception when executing a bulk-delete on Swift using jClouds

"HTTP method DELETE doesn't support output" exception when executing a bulk-delete on Swift using jClouds


By : Mike Fellowes
Date : March 29 2020, 07:55 AM
I hope this helps . If you are describing a problem with jclouds, this is a good place to start:
http://jclouds.apache.org/documentation/userguide/bug-report/
Bulk delete "Build Failure" items from Backlog

Bulk delete "Build Failure" items from Backlog


By : jonathan tunnell
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Do you want to destroy these build failure bugs permanently or you just want to remove them from Backlog?
If you want to destroy them permanently (remove work items from the Team Foundation database), you can use the following code:
code :
var tfctc = new TfsTeamProjectCollection(new Uri("http://tfsservername:8080/tfs/DefaultCollection"));
var wis = tfctc.GetService<WorkItemStore>();
var wiToDelete = new List<int>();
var wiql = "SELECT * FROM WorkItems WHERE [System.TeamProject] = 'teamprojectName' and [Title] Contains 'Build Failure in Build: ' and [State] = 'New' ";
var wic = wis.Query(wiql);
foreach (WorkItem wi in wic)
{
    wiToDelete.Add(wi.Id);
}
wis.DestroyWorkItems(wiToDelete);
HBase bulk delete as "complete bulk load"

HBase bulk delete as "complete bulk load"


By : rkris
Date : March 29 2020, 07:55 AM
I wish did fix the issue. First of all, a few words how delete operation is working in HBase. On delete command, HBase marks data as deleted and writes information about it to the HFile. Actually, data is not deleted from the disc, and two records are present in the storage: data and the deletion mark. Only after compaction, data will be deleted from disc storage.
All this information is represented as KeyValue. For KeyValue for data representing has KeyValue.Type equal to Put. For deletion mark KeyValue.Type is set one of the following values Delete, DeleteColumn, DeleteFamily, DeleteFamilyVersion.
code :
KeyValue(byte[] row, byte[] family, byte[] qualifier, long timestamp, KeyValue.Type type)

// example 

KeyValue kv = new KeyValue(row, family, qualifier, time, KeyValue.Type.DeleteColumn)
In Cloud Firestore, why is it not possible to "single bulk" delete a collection (as can be done with Realtime

In Cloud Firestore, why is it not possible to "single bulk" delete a collection (as can be done with Realtime


By : Jolly
Date : March 29 2020, 07:55 AM
hop of those help? The RTDB is able to do this because each database is local to a single region. In order to provide a serialized view, when you call remove(), the database stops all other work until the removal is complete.
This behavior has been the cause of several apparent outages: if a remove() call has to delete huge swaths of data, all other activity is effectively locked out until it completes. As a result even for RTDB users that want to delete large quantities of data we have recommended recursively finding and deleting documents in groups (CLI, node.js).
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