65 lines
2.4 KiB
MySQL
65 lines
2.4 KiB
MySQL
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-- Prepared statement for conditional insert with versioning for fieldseeker.containerrelate
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-- Only inserts a new version if data has changed
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PREPARE insert_containerrelate_versioned(bigint, uuid, varchar, timestamp, varchar, timestamp, uuid, uuid, uuid, fieldseeker.containerrelate_mosquitocontainertype_enum, timestamp, varchar, timestamp, varchar) 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.containerrelate
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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.containerrelate
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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.containerrelate (
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objectid, globalid, created_user, created_date, last_edited_user, last_edited_date, inspsampleid, mosquitoinspid, treatmentid, containertype, creationdate, creator, editdate, editor,
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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,
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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.globalid IS NOT DISTINCT FROM $2 AND
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lv.created_user IS NOT DISTINCT FROM $3 AND
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lv.created_date IS NOT DISTINCT FROM $4 AND
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lv.last_edited_user IS NOT DISTINCT FROM $5 AND
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lv.last_edited_date IS NOT DISTINCT FROM $6 AND
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lv.inspsampleid IS NOT DISTINCT FROM $7 AND
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lv.mosquitoinspid IS NOT DISTINCT FROM $8 AND
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lv.treatmentid IS NOT DISTINCT FROM $9 AND
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lv.containertype IS NOT DISTINCT FROM $10 AND
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lv.creationdate IS NOT DISTINCT FROM $11 AND
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lv.creator IS NOT DISTINCT FROM $12 AND
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lv.editdate IS NOT DISTINCT FROM $13 AND
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lv.editor IS NOT DISTINCT FROM $14
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)
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RETURNING *;
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-- Example usage: EXECUTE insert_containerrelate_versioned(id, value1, value2, ...);
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-- Parameters in order:
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-- $1: OBJECTID (bigint)
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-- $2: GlobalID (uuid)
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-- $3: created_user (varchar)
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-- $4: created_date (timestamp)
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-- $5: last_edited_user (varchar)
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-- $6: last_edited_date (timestamp)
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-- $7: INSPSAMPLEID (uuid)
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-- $8: MOSQUITOINSPID (uuid)
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-- $9: TREATMENTID (uuid)
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-- $10: CONTAINERTYPE (fieldseeker.containerrelate_mosquitocontainertype_enum)
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-- $11: CreationDate (timestamp)
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-- $12: Creator (varchar)
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-- $13: EditDate (timestamp)
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-- $14: Editor (varchar)
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