RAD Studio VCL Reference
ContentsIndex
PreviousUpNext
DBTables.TBatchMode Enumeration

TBatchMode indicates the type of batch operation to be performed on a database table.

Pascal
TBatchMode = (
  batAppend,
  batUpdate,
  batAppendUpdate,
  batDelete,
  batCopy
);
C++
enum TBatchMode {
  batAppend,
  batUpdate,
  batAppendUpdate,
  batDelete,
  batCopy
};

DBTables

TBatchMode can take the following values:

Value 
Meaning 
batAppend  
Append all records from the source table to the end of destination table. The destination and source tables must not have records with duplicate keys.  
batAppendUpdate  
If a matching record exists in the destination table, replace it with the corresponding record from the source table. Otherwise, append records to the destination table. The destination table must have an index defined for matching records.  
batCopy  
Copy the structure and records from the source table into the destination table. If the destination table already exists, delete it and replace it with the new copy of the source.  
batDelete  
Delete all records in the destination table that also appear in the source table.  
batUpdate  
If a matching record exists in the destination table, replace it with the corresponding record from the source table. The destination table must have an index defined for matching records.  

 

Copyright(C) 2008 CodeGear(TM). All Rights Reserved.
What do you think about this topic? Send feedback!