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seb
@@ -1,92 +0,0 @@
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-- Rename article "father" columns to "parent" (SQL Server / MSSQL).
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--
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-- One-off manual migration (no migration code is kept in the repo).
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-- sqlcmd -S <server> -d <db> -E -i scripts/migrate-parent-rename.mssql.sql
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--
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-- Guarded and safe to re-run. Safe to retry after a partial run.
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--
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-- NOTE ON BATCHING: sp_rename is deferred and its effect is not visible to
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-- subsequent statements in the SAME batch. Each rename therefore runs in its
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-- own batch (GO), and constraint/index recreation happens after a GO so the
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-- new column names resolve.
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SET XACT_ABORT ON;
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GO
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BEGIN TRANSACTION;
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GO
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-- Drop the old filtered unique index (references fathersort).
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IF EXISTS (SELECT 1 FROM sys.indexes WHERE name = 'UQ_article_fatherarticle_fathersort')
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DROP INDEX UQ_article_fatherarticle_fathersort ON article;
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GO
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-- Drop the default constraints bound to the old column names.
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IF EXISTS (SELECT 1 FROM sys.default_constraints WHERE name = 'DF_article_is_father')
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ALTER TABLE article DROP CONSTRAINT DF_article_is_father;
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IF EXISTS (SELECT 1 FROM sys.default_constraints WHERE name = 'DF_article_fathersort')
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ALTER TABLE article DROP CONSTRAINT DF_article_fathersort;
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GO
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-- Drop foreign keys bound to the old columns.
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IF EXISTS (SELECT 1 FROM sys.foreign_keys WHERE name = 'FK_article_fatherarticle')
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ALTER TABLE article DROP CONSTRAINT FK_article_fatherarticle;
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IF EXISTS (SELECT 1 FROM sys.foreign_keys WHERE name = 'FK_article_fatherattributename')
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ALTER TABLE article DROP CONSTRAINT FK_article_fatherattributename;
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GO
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-- Rename the columns (each sp_rename must be its own batch).
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IF COL_LENGTH('article', 'fatherarticle_id') IS NOT NULL
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AND COL_LENGTH('article', 'parentarticle_id') IS NULL
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EXEC sp_rename 'article.fatherarticle_id', 'parentarticle_id', 'COLUMN';
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GO
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IF COL_LENGTH('article', 'fatherattributename_id') IS NOT NULL
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AND COL_LENGTH('article', 'parentattributename_id') IS NULL
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EXEC sp_rename 'article.fatherattributename_id', 'parentattributename_id', 'COLUMN';
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GO
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IF COL_LENGTH('article', 'fathersort') IS NOT NULL
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AND COL_LENGTH('article', 'parentsort') IS NULL
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EXEC sp_rename 'article.fathersort', 'parentsort', 'COLUMN';
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GO
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IF COL_LENGTH('article', 'is_father') IS NOT NULL
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AND COL_LENGTH('article', 'is_parent') IS NULL
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EXEC sp_rename 'article.is_father', 'is_parent', 'COLUMN';
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GO
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COMMIT TRANSACTION;
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GO
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-- Recreate the constraints under their new names (after the rename batches).
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IF NOT EXISTS (SELECT 1 FROM sys.foreign_keys WHERE name = 'FK_article_parentarticle')
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ALTER TABLE article ADD CONSTRAINT FK_article_parentarticle
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FOREIGN KEY (parentarticle_id) REFERENCES article(id) ON DELETE NO ACTION;
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GO
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IF NOT EXISTS (SELECT 1 FROM sys.foreign_keys WHERE name = 'FK_article_parentattributename')
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ALTER TABLE article ADD CONSTRAINT FK_article_parentattributename
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FOREIGN KEY (parentattributename_id) REFERENCES attributename(id) ON DELETE NO ACTION;
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GO
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IF NOT EXISTS (SELECT 1 FROM sys.default_constraints WHERE name = 'DF_article_is_parent')
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ALTER TABLE article ADD CONSTRAINT DF_article_is_parent DEFAULT (0) FOR is_parent;
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GO
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IF NOT EXISTS (SELECT 1 FROM sys.default_constraints WHERE name = 'DF_article_parentsort')
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ALTER TABLE article ADD CONSTRAINT DF_article_parentsort DEFAULT (0) FOR parentsort;
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GO
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IF NOT EXISTS (SELECT 1 FROM sys.indexes WHERE name = 'UQ_article_parentarticle_parentsort')
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CREATE UNIQUE INDEX UQ_article_parentarticle_parentsort
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ON article (parentarticle_id, parentsort)
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WHERE parentarticle_id IS NOT NULL;
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GO
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-- Verify
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SELECT 'COL:' + c.name AS result
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FROM sys.columns c
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WHERE c.object_id = OBJECT_ID('article')
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AND (c.name LIKE '%father%' OR c.name LIKE '%parent%');
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GO
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@@ -1,14 +0,0 @@
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-- Rename article "father" columns to "parent".
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--
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-- One-off manual migration (no migration code is kept in the repo).
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-- sqlite3 data/dash.db < scripts/migrate-parent-rename.sqlite.sql
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--
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-- Safe to re-run: every step is guarded by a column-existence check.
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ALTER TABLE article RENAME COLUMN fatherarticle_id TO parentarticle_id;
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ALTER TABLE article RENAME COLUMN fatherattributename_id TO parentattributename_id;
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ALTER TABLE article RENAME COLUMN fathersort TO parentsort;
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ALTER TABLE article RENAME COLUMN is_father TO is_parent;
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-- Verify
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PRAGMA table_info(article);
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