ci-server-engineer/.claude/skills/history-management/tasks/storage-groups.md
cliu 37c91eeac7 Add history manual summaries (L20, C40) and history-management skill
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-01 13:02:32 +10:00

4.5 KiB

task version source status
Create item storage groups (Event/Item, Scan/Time, Aggregation), add items, read history R1.03 IM 36K10C40-01EN §2.1, §3, App. 1; IM 36K10L20-01EN §2.1; practiced on CI-Eng-Sample 2026-10-01 verified for Event/Item and Scan/Time; Aggregation loads but values not yet seen (ISS-040)

Item storage groups (quick load)

Sample files: examples/CI-Eng-Sample/03_his_group_df.qli (groups) and 04_item_his_df.qli (items in groups); removal 89_…, 90a (generated by remove.cmd), 90_…. Commands as in skill system-management (dssqld -i / -m / -r); dssqld exits 0 even on errors — read the summary table.

1. Groups (HIS_GROUP_DF)

@FIELDS
NAME,DESCRIPTION,TYPE,COL_STOR_TYPE,LIFE_TIME,ROLLOVER_INT
@HIS_GROUP_DF
"<GROUP>","<description>","Item","Event/Item","1 weeks","1 days"

@FIELDS
NAME,DESCRIPTION,TYPE,COL_STOR_TYPE,SCAN_INTERVAL,STORE_QUALITY,LIFE_TIME,ROLLOVER_INT
@HIS_GROUP_DF
"<GROUP>","<description>","Item","Scan/Time",10,1,"1 days","1 hours"

@FIELDS
NAME,DESCRIPTION,TYPE,COL_STOR_TYPE,STORE_QUALITY,LIFE_TIME,ROLLOVER_INT,AGG_PERIOD_HOUR,AGG_PERIOD_30MIN
@HIS_GROUP_DF
"<GROUP>","<description>","Item","Aggregation",1,"4 weeks","1 weeks",1,1
  • Name ≤ 16 characters. COL_STOR_TYPE: Scan/Time, Event/Item, Event/Event, Direct/Event, Direct/Item, Aggregation. Other fields: C40 summary §2 (priority, data compression, averaging, samples per record, shift/day/week settings, completion item).
  • Defaults filled in by the system: first rollover at the next interval boundary, aggregation shift 8 h from 00:00, week from Monday.
  • Size the life time to the disk: every unit older than the life time is deleted at rollover.

2. Items in a group (ITEM_HIS_DF)

@FIELDS
NAME,ITEM_NAME,GROUP_NAME,ON_VALUE_CHANGE,ON_STATUS_CHANGE
@ITEM_HIS_DF
"<GROUP>:<Section>.<Tag>","<Section>.<Tag>","<GROUP>",1,1

@FIELDS
NAME,ITEM_NAME,GROUP_NAME
@ITEM_HIS_DF
"<SCANGROUP>:<Section>.<Tag>","<Section>.<Tag>","<SCANGROUP>"

@FIELDS
NAME,ITEM_NAME,GROUP_NAME,STORE_AGG_MAX,STORE_AGG_MIN,STORE_AGG_AVG
@ITEM_HIS_DF
"<AGGGROUP>:<Section>.<Tag>","<Section>.<Tag>","<AGGGROUP>",1,1,1

Event triggers (ON_*) matter for event groups; aggregates (STORE_AGG_MAX, _MIN, _AVG, _INTG + AGG_INTG_PERIOD, _STDV, _CNT, _DIFF_SUM + range/percentage) for aggregation groups. Load the group first; a short pause before linking items avoids a failure seen once (load.cmd waits 5 s).

3. Restart

A new group stores nothing until CI Server is restarted (verified: groups loaded at 11:32 and 11:54 started storing only after the 12:00 restart). Ask the user to restart the CI Service (admin) and check the active unit with history-checks.md.

4. Read history

@SELECT
'ITEM_NAME = "<Section>.<Tag>" and GROUP_NAME = "<GROUP>" and SAMPLE_TIME > "<dd-mm-yyyy hh:mm:ss>" and SAMPLE_TIME < "<dd-mm-yyyy hh:mm:ss>"'
@ITEM_HISTORY

dssqld -e <out>.qli <filter>.qli -c. Item name and a time range are required; times are local. GROUP_NAME picks one group (otherwise every group with the item answers). Columns: SAMPLE_TIME, SAMPLE_END_TIME, INTERVAL_TIME, ITEM_VALUE, QUALITY, INITIAL_VALUE (1 = value at unit start), STATUS, INTERPOLATION, ATTRIBUTE, GROUP_NAME, …

Aggregates (from docs; not yet seen on the test system, ISS-040): add and INTERPOLATION = "Hour" and ATTRIBUTE = "Maximum" (also Minimum, Average, Integration, Standard deviation, Counter, Differential summation; periods Hour, Day, Month, Year, …). INTERPOLATION = "Hour" is accepted by dssqld; "30 minutes", "30 Minutes" and "Half hour" are refused (DSSP-E-NOTRANSF … illegal value), so the 30-minute period name is still unknown.

5. Remove

Items first (ITEM_HIS_DF names), then give each group a STOP_TIME in the future with dssqld -m, wait until it has passed, then dssqld -r the groups (an active unit blocks the delete: HIS-E-GROUPHASUNT, ISS-005). remove.cmd does this for all three sample groups. Removing a group deletes its history.

Verified (CI-Eng-Sample, 2026-10-01)

Group Type Result
CIENG_EVENT Event/Item, 1 week / 1 day Live writes stored (12:04:56 = 112); ithloahis into active and closed units stored
CIENG_SCAN10S Scan/Time 10 s, quality, 1 day / 1 hour TANK1.LEVEL and INFLOW every 10 s after the restart
CIENG_AGG Aggregation 30 min + hour, 4 weeks / 1 week Group, items and units created (extra …zzz… files); after the restart no 30-minute aggregate was written by 13:00 (ISS-040)