Eli Ribble
97ec2c767d
I have to checkpoint this because I'm trying to get a very complicated multi-layered SQL query for inserting version history into the database and I need to improve it iteratively I've got a new binary that I can use to directly test complex stored procedures. This is to shorted my testing loop.
92 lines
3.8 KiB
SQL
92 lines
3.8 KiB
SQL
-- Prepared statement for conditional insert with versioning for fieldseeker.timecard
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-- Only inserts a new version if data has changed
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PREPARE insert_timecard_versioned(bigint, fieldseeker.timecard_timecard_activity_451e67260c084304a35457170dc13366_enum, timestamp, timestamp, varchar, varchar, fieldseeker.timecard_timecardequipmenttype_enum, varchar, varchar, varchar, uuid, varchar, timestamp, varchar, timestamp, uuid, uuid, uuid, uuid, uuid, uuid, uuid, varchar, timestamp, varchar, timestamp, varchar, uuid) AS
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WITH
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-- Get the current latest version of this record
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latest_version AS (
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SELECT * FROM fieldseeker.timecard
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WHERE objectid = $1
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ORDER BY VERSION DESC
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LIMIT 1
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),
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-- Calculate the next version number
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next_version AS (
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SELECT COALESCE(MAX(VERSION) + 1, 1) as version_num
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FROM fieldseeker.timecard
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WHERE objectid = $1
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)
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-- Perform conditional insert
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INSERT INTO fieldseeker.timecard (
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objectid, activity, startdatetime, enddatetime, comments, externalid, equiptype, locationname, zone, zone2, globalid, created_user, created_date, last_edited_user, last_edited_date, linelocid, pointlocid, polygonlocid, lclocid, samplelocid, srid, traplocid, fieldtech, creationdate, creator, editdate, editor, rodentlocid,
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VERSION
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)
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SELECT
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$1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18, $19, $20, $21, $22, $23, $24, $25, $26, $27, $28,
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v.version_num
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FROM next_version v
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WHERE
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-- Only insert if no record exists yet OR data has changed
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NOT EXISTS (SELECT 1 FROM latest_version lv WHERE
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lv.objectid IS NOT DISTINCT FROM $1 AND
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lv.activity IS NOT DISTINCT FROM $2 AND
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lv.startdatetime IS NOT DISTINCT FROM $3 AND
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lv.enddatetime IS NOT DISTINCT FROM $4 AND
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lv.comments IS NOT DISTINCT FROM $5 AND
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lv.externalid IS NOT DISTINCT FROM $6 AND
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lv.equiptype IS NOT DISTINCT FROM $7 AND
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lv.locationname IS NOT DISTINCT FROM $8 AND
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lv.zone IS NOT DISTINCT FROM $9 AND
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lv.zone2 IS NOT DISTINCT FROM $10 AND
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lv.globalid IS NOT DISTINCT FROM $11 AND
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lv.created_user IS NOT DISTINCT FROM $12 AND
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lv.created_date IS NOT DISTINCT FROM $13 AND
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lv.last_edited_user IS NOT DISTINCT FROM $14 AND
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lv.last_edited_date IS NOT DISTINCT FROM $15 AND
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lv.linelocid IS NOT DISTINCT FROM $16 AND
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lv.pointlocid IS NOT DISTINCT FROM $17 AND
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lv.polygonlocid IS NOT DISTINCT FROM $18 AND
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lv.lclocid IS NOT DISTINCT FROM $19 AND
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lv.samplelocid IS NOT DISTINCT FROM $20 AND
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lv.srid IS NOT DISTINCT FROM $21 AND
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lv.traplocid IS NOT DISTINCT FROM $22 AND
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lv.fieldtech IS NOT DISTINCT FROM $23 AND
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lv.creationdate IS NOT DISTINCT FROM $24 AND
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lv.creator IS NOT DISTINCT FROM $25 AND
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lv.editdate IS NOT DISTINCT FROM $26 AND
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lv.editor IS NOT DISTINCT FROM $27 AND
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lv.rodentlocid IS NOT DISTINCT FROM $28
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)
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RETURNING *;
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-- Example usage: EXECUTE insert_timecard_versioned(id, value1, value2, ...);
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-- Parameters in order:
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-- $1: OBJECTID (bigint)
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-- $2: ACTIVITY (fieldseeker.timecard_timecard_activity_451e67260c084304a35457170dc13366_enum)
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-- $3: STARTDATETIME (timestamp)
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-- $4: ENDDATETIME (timestamp)
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-- $5: COMMENTS (varchar)
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-- $6: EXTERNALID (varchar)
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-- $7: EQUIPTYPE (fieldseeker.timecard_timecardequipmenttype_enum)
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-- $8: LOCATIONNAME (varchar)
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-- $9: ZONE (varchar)
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-- $10: ZONE2 (varchar)
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-- $11: GlobalID (uuid)
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-- $12: created_user (varchar)
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-- $13: created_date (timestamp)
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-- $14: last_edited_user (varchar)
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-- $15: last_edited_date (timestamp)
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-- $16: LINELOCID (uuid)
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-- $17: POINTLOCID (uuid)
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-- $18: POLYGONLOCID (uuid)
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-- $19: LCLOCID (uuid)
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-- $20: SAMPLELOCID (uuid)
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-- $21: SRID (uuid)
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-- $22: TRAPLOCID (uuid)
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-- $23: FIELDTECH (varchar)
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-- $24: CreationDate (timestamp)
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-- $25: Creator (varchar)
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-- $26: EditDate (timestamp)
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-- $27: Editor (varchar)
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-- $28: RODENTLOCID (uuid)
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