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JetPrepareUpdate.md

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Function name : JetPrepareUpdate

Group: Extensible Storage Engine (ESE, Jet Blue) - Library: esent

This is the first operation in performing an update, for the purposes of inserting a new record or replacing an existing record with new values.

Code examples:

Extensible Storage Engine class library

Declaration:

JET_ERR JET_API JetPrepareUpdate(
  __in          JET_SESID sesid,
  __in          JET_TABLEID tableid,
  __in          unsigned long prep
);

FoxPro declaration:

DECLARE INTEGER JetPrepareUpdate IN esent;
	INTEGER sesid,;
	INTEGER tableid,;
	LONG prep

Parameters:

sesid The session to use for this call.

tableid The cursor to use for this call.

prep The options that can be used to prepare for an update

Return value:

Returns the JET_ERR datatype with a predefined return code.

Comments:

Updates are done by calling JetPrepareUpdate, then calling JetSetColumn or JetSetColumns zero or more times and finally by calling JetUpdate to complete the operation.