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Fix PostgreSQL v2.1 migration #44

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danieljsummers merged 2 commits from issue-43 into main 2024-03-29 02:25:10 +00:00
Conversation 0 Commits 2 Files Changed 7 +71 -41
5 changed files with 71 additions and 41 deletions
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104
src/MyWebLog.Data/PostgresData.fs
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@ -129,8 +129,10 @@ type PostgresData(log: ILogger<PostgresData>, ser: JsonSerializer) =
}
/// Set a specific database version
let setDbVersion version =
Custom.nonQuery $"DELETE FROM db_version; INSERT INTO db_version VALUES ('%s{version}')" []
let setDbVersion version = backgroundTask {
do! Custom.nonQuery $"DELETE FROM db_version; INSERT INTO db_version VALUES ('%s{version}')" []
return version
}
/// Migrate from v2-rc2 to v2 (manual migration required)
let migrateV2Rc2ToV2 () = backgroundTask {
@ -140,11 +142,11 @@ type PostgresData(log: ILogger<PostgresData>, ser: JsonSerializer) =
Utils.Migration.backupAndRestoreRequired log "v2-rc2" "v2" webLogs
}
/// Migrate from v2 to v2.1
let migrateV2ToV2point1 () = backgroundTask {
let migration = "v2 to v2.1"
/// Migrate from v2 to v2.1.1
let migrateV2ToV2point1point1 () = backgroundTask {
let migration = "v2 to v2.1.1"
Utils.Migration.logStep log migration "Adding empty redirect rule set to all weblogs"
do! Custom.nonQuery $"""UPDATE {Table.WebLog} SET data = data + '{{ "RedirectRules": [] }}'::json""" []
do! Custom.nonQuery $"""UPDATE {Table.WebLog} SET data = data || '{{ "RedirectRules": [] }}'::jsonb""" []
let tables =
[ Table.Category; Table.Page; Table.Post; Table.PostComment; Table.TagMap; Table.Theme; Table.WebLog
@ -153,36 +155,60 @@ type PostgresData(log: ILogger<PostgresData>, ser: JsonSerializer) =
Utils.Migration.logStep log migration "Adding unique indexes on ID fields"
do! Custom.nonQuery (tables |> List.map Query.Definition.ensureKey |> String.concat "; ") []
Utils.Migration.logStep log migration "Dropping old ID columns"
do! Custom.nonQuery (tables |> List.map (sprintf "ALTER TABLE %s DROP COLUMN id") |> String.concat "; ") []
Utils.Migration.logStep log migration "Adjusting indexes"
let toDrop = [ "page_web_log_idx"; "post_web_log_idx" ]
do! Custom.nonQuery (toDrop |> List.map (sprintf "DROP INDEX %s") |> String.concat "; ") []
let toRename =
[ "idx_category", "idx_category_document"
"idx_tag_map", "idx_tag_map_document"
"idx_web_log", "idx_web_log_document"
"idx_web_log_user", "idx_web_log_user_document"
"page_author_idx", "idx_page_author"
"page_permalink_idx", "idx_page_permalink"
"post_author_idx", "idx_post_author"
"post_status_idx", "idx_post_status"
"post_permalink_idx", "idx_post_permalink"
"post_category_idx", "idx_post_category"
"post_tag_idx", "idx_post_tag"
"post_comment_post_idx", "idx_post_comment_post"
"upload_web_log_idx", "idx_upload_web_log"
"upload_path_idx", "idx_upload_path" ]
Utils.Migration.logStep log migration "Removing constraints"
let fkToDrop =
[ "page_revision", "page_revision_page_id_fkey"
"post_revision", "post_revision_post_id_fkey"
"theme_asset", "theme_asset_theme_id_fkey"
"upload", "upload_web_log_id_fkey"
"category", "category_pkey"
"page", "page_pkey"
"post", "post_pkey"
"post_comment", "post_comment_pkey"
"tag_map", "tag_map_pkey"
"theme", "theme_pkey"
"web_log", "web_log_pkey"
"web_log_user", "web_log_user_pkey" ]
do! Custom.nonQuery
(toRename
|> List.map (fun (oldName, newName) -> $"ALTER INDEX {oldName} RENAME TO {newName}")
(fkToDrop
|> List.map (fun (tbl, fk) -> $"ALTER TABLE {tbl} DROP CONSTRAINT {fk}")
|> String.concat "; ")
[]
Utils.Migration.logStep log migration "Setting database to version 2.1"
do! setDbVersion "v2.1"
Utils.Migration.logStep log migration "Dropping old indexes"
let toDrop =
[ "idx_category"; "page_author_idx"; "page_permalink_idx"; "page_web_log_idx"; "post_author_idx"
"post_category_idx"; "post_permalink_idx"; "post_status_idx"; "post_tag_idx"; "post_web_log_idx"
"post_comment_post_idx"; "idx_tag_map"; "idx_web_log"; "idx_web_log_user" ]
do! Custom.nonQuery (toDrop |> List.map (sprintf "DROP INDEX %s") |> String.concat "; ") []
Utils.Migration.logStep log migration "Dropping old ID columns"
do! Custom.nonQuery (tables |> List.map (sprintf "ALTER TABLE %s DROP COLUMN id") |> String.concat "; ") []
Utils.Migration.logStep log migration "Adding new indexes"
let newIdx =
[ yield! tables |> List.map Query.Definition.ensureKey
Query.Definition.ensureDocumentIndex Table.Category Optimized
Query.Definition.ensureDocumentIndex Table.TagMap Optimized
Query.Definition.ensureDocumentIndex Table.WebLog Optimized
Query.Definition.ensureDocumentIndex Table.WebLogUser Optimized
Query.Definition.ensureIndexOn Table.Page "author" [ nameof Page.Empty.AuthorId ]
Query.Definition.ensureIndexOn
Table.Page "permalink" [ nameof Page.Empty.WebLogId; nameof Page.Empty.Permalink ]
Query.Definition.ensureIndexOn Table.Post "author" [ nameof Post.Empty.AuthorId ]
Query.Definition.ensureIndexOn
Table.Post "permalink" [ nameof Post.Empty.WebLogId; nameof Post.Empty.Permalink ]
Query.Definition.ensureIndexOn
Table.Post
"status"
[ nameof Post.Empty.WebLogId; nameof Post.Empty.Status; nameof Post.Empty.UpdatedOn ]
$"CREATE INDEX idx_post_category ON {Table.Post} USING GIN ((data['{nameof Post.Empty.CategoryIds}']))"
$"CREATE INDEX idx_post_tag ON {Table.Post} USING GIN ((data['{nameof Post.Empty.Tags}']))"
Query.Definition.ensureIndexOn Table.PostComment "post" [ nameof Comment.Empty.PostId ] ]
do! Custom.nonQuery (newIdx |> String.concat "; ") []
Utils.Migration.logStep log migration "Setting database to version 2.1.1"
return! setDbVersion "v2.1.1"
}
/// Do required data migration between versions
@ -190,16 +216,20 @@ type PostgresData(log: ILogger<PostgresData>, ser: JsonSerializer) =
let mutable v = defaultArg version ""
if v = "v2-rc2" then
do! migrateV2Rc2ToV2 ()
v <- "v2"
let! webLogs =
Custom.list
$"SELECT url_base, slug FROM {Table.WebLog}" []
(fun row -> row.string "url_base", row.string "slug")
Utils.Migration.backupAndRestoreRequired log "v2-rc2" "v2" webLogs
if v = "v2" then
do! migrateV2ToV2point1 ()
v <- "v2.1"
let! ver = migrateV2ToV2point1point1 ()
v <- ver
if v <> Utils.Migration.currentDbVersion then
log.LogWarning $"Unknown database version; assuming {Utils.Migration.currentDbVersion}"
do! setDbVersion Utils.Migration.currentDbVersion
let! _ = setDbVersion Utils.Migration.currentDbVersion
()
}
interface IData with

2
src/MyWebLog.Data/Utils.fs
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@ -54,7 +54,7 @@ module Migration =
open Microsoft.Extensions.Logging
/// The current database version
let currentDbVersion = "v2.1"
let currentDbVersion = "v2.1.1"
/// Log a migration step
let logStep<'T> (log: ILogger<'T>) migration message =

2
src/MyWebLog/appsettings.json
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@ -1,5 +1,5 @@
{
"Generator": "myWebLog 2.1",
"Generator": "myWebLog 2.1.1",
"Logging": {
"LogLevel": {
"MyWebLog.Handlers": "Information"

2
src/admin-theme/version.txt
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@ -1,2 +1,2 @@
myWebLog Admin
2.1.0
2.1.1

2
src/default-theme/version.txt
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@ -1,2 +1,2 @@
myWebLog Default Theme
2.1.0
2.1.1