Valid For
Extract and Replicat
Description
Use the SET_OPERATION_TYPE function to change the operation type associated with a data record. For example, a delete on a specified table can be turned into an insert into another table. The record header's before/after indicator is modified as appropriate for insert and delete operations.
Syntax
#include "usrdecs.h" short result_code; record_def record; ERCALLBACK (SET_OPERATION_TYPE, &record, &result_code);
Buffer
typedef struct
{
char *table_name;
char *buffer;
long length;
char before_after_ind;
short io_type;
short record_type;
short transaction_ind;
int64_t timestamp;
exit_ts_str io_datetime;
short mapped;
short source_or_target;
/* Version 2 CALLBACK_STRUCT_VERSION */
char requesting_before_after_ind;
} record_def;
Input
io_typeReturned as one of the following for deletes, inserts, and updates, respectively:
DELETE_VAL INSERT_VAL UPDATE_VAL
For a compressed SQL update, the following is returned:
UPDATE_COMP_SQL_VAL
If the new operation type is an insert or delete, the before/after indicator for the record is set to one of the following:
Insert: AFTER_IMAGE_VAL (after image)
Delete: BEFORE_IMAGE_VAL (before image)
source_or_targetOne of the following indicating whether to set the operation type for the source or target data record.
EXIT_FN_SOURCE_VAL EXIT_FN_TARGET_VAL
Output
None
Return Values
EXIT_FN_RET_INVALID_CONTEXT EXIT_FN_RET_INVALID_PARAM EXIT_FN_RET_OK