083ffaa71e
Prevents implicit type coercion error in some Postgres versions. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
52 lines
2.0 KiB
SQL
52 lines
2.0 KiB
SQL
DROP INDEX "issues_company_identifier_idx";--> statement-breakpoint
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-- Rebuild issue prefixes to be company-specific and globally unique.
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-- Base prefix is first 3 letters of company name (A-Z only), fallback "CMP".
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-- Duplicate bases receive deterministic letter suffixes: PAP, PAPA, PAPAA, ...
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WITH ranked_companies AS (
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SELECT
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c.id,
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COALESCE(NULLIF(SUBSTRING(REGEXP_REPLACE(UPPER(c.name), '[^A-Z]', '', 'g') FROM 1 FOR 3), ''), 'CMP') AS base_prefix,
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ROW_NUMBER() OVER (
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PARTITION BY COALESCE(NULLIF(SUBSTRING(REGEXP_REPLACE(UPPER(c.name), '[^A-Z]', '', 'g') FROM 1 FOR 3), ''), 'CMP')
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ORDER BY c.created_at, c.id
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) AS prefix_rank
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FROM companies c
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)
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UPDATE companies c
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SET issue_prefix = CASE
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WHEN ranked_companies.prefix_rank = 1 THEN ranked_companies.base_prefix
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ELSE ranked_companies.base_prefix || REPEAT('A', (ranked_companies.prefix_rank - 1)::integer)
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END
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FROM ranked_companies
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WHERE c.id = ranked_companies.id;--> statement-breakpoint
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-- Reassign issue numbers sequentially per company to guarantee uniqueness.
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WITH numbered_issues AS (
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SELECT
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i.id,
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ROW_NUMBER() OVER (PARTITION BY i.company_id ORDER BY i.created_at, i.id) AS issue_number
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FROM issues i
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)
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UPDATE issues i
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SET issue_number = numbered_issues.issue_number
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FROM numbered_issues
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WHERE i.id = numbered_issues.id;--> statement-breakpoint
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-- Rebuild identifiers from normalized prefix + issue number.
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UPDATE issues i
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SET identifier = c.issue_prefix || '-' || i.issue_number
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FROM companies c
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WHERE c.id = i.company_id;--> statement-breakpoint
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-- Sync counters to the largest issue number currently assigned per company.
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UPDATE companies c
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SET issue_counter = COALESCE((
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SELECT MAX(i.issue_number)
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FROM issues i
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WHERE i.company_id = c.id
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), 0);--> statement-breakpoint
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CREATE UNIQUE INDEX "companies_issue_prefix_idx" ON "companies" USING btree ("issue_prefix");--> statement-breakpoint
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CREATE UNIQUE INDEX "issues_identifier_idx" ON "issues" USING btree ("identifier");
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