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AVEVA™ Manufacturing Execution System 2023 R2

Tables for Data Logging

  • Last UpdatedApr 13, 2021
  • 2 minute read

The following changes were made to the data log tables.

New Data_Log Table

Stores logged data values when a logging sample is triggered. Currently this table is accessible only from the MES Web API V3.

Field

Datatype

PK

Nulls?

Description

grp_id

int32

N

N

Identify logging group

ent_id

int32

N

Y

Entity from which data came

sample_time_utc

tdatetime

N

N

When sample was first taken in UTC (GMT)

sample_time_local

tdatetime

N

N

When sample was first taken in local time

wo_id

string40

N

Y

Identify work order

oper_id

string40

N

Y

Identify operation

seq_no

int32

N

Y

Identify row in job table

step_no

int32

N

Y

Identify step within job

item_id

string40

N

Y

To which item data applied

lot_no

string40

N

Y

To which lot data applied

sublot_no

string40

N

Y

To which sublot data applied

shift_id

int32

N

N

Identify Shift

shift_start_utc

tdatetime

N

N

When shift started in UTC (GMT)

shift_start_local

tdatetime

N

N

When shift started in local time

genealogy_id

string254

N

Y

PEM intra-segment genealogy ID

segment_requirement_
id

string80

N

Y

S95 segment requirement ID

segment_response_id

string80

N

Y

S95 segment response ID

value1

string80

N

Y

1st value to be logged

value2

string80

N

Y

2nd value to be logged

value3 to value63

string80

N

Y

3rd to 63rd values to be logged

value64

string80

N

Y

64th value to be logged

last_edit_comment

string254

N

Y

Reserved for internal use to indicate why this record was changed

last_edit_by

string40

N

Y

Who last changed this record

last_edit_at

tdatetime

N

N

When this record was last changed

created_at_utc

tdatetime

N

N

When this record was created, in UTC

created_at_local

tdatetime

N

N

When this record was created, in the local time of the entity

row_id

bigint64

Y

N

Unique row identifier, for audit trail.

FK from grp_id to data_log_grp. (Cascade delete)

Note that there is no FK from wo_id, oper_id, seq_no to job, or from item_id to item in case logging is independent of them.

Data_Log_Group Table

  • For the trigger_type field, only the manual trigger type (0) is supported by the system.

  • The trigger_detail field is not used by the system.

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