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Finish SQLite v2-rc2 migration

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This commit is contained in:
Daniel J. Summers 2022-08-21 00:31:34 -04:00
parent a21993e28a
commit e0e2d97ac2
5 changed files with 198 additions and 17 deletions
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18
src/MyWebLog.Data/SQLite/Helpers.fs
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@ -32,21 +32,24 @@ let write (cmd : SqliteCommand) = backgroundTask {
()
}
/// Add a possibly-missing parameter, substituting null for None
let maybe<'T> (it : 'T option) : obj = match it with Some x -> x :> obj | None -> DBNull.Value
/// Create a value for a Duration
let durationParam =
DurationPattern.Roundtrip.Format
/// Create a value for an Instant
let instantParam =
InstantPattern.ExtendedIso.Format
InstantPattern.General.Format
/// Create an optional value for a Duration
let maybeDuration =
Option.map durationParam
Option.map durationParam >> maybe
/// Create an optional value for an Instant
let maybeInstant =
Option.map instantParam
Option.map instantParam >> maybe
/// Create the SQL and parameters for an IN clause
let inClause<'T> colNameAndPrefix paramName (valueFunc: 'T -> string) (items : 'T list) =
@ -260,9 +263,9 @@ module Map =
dataStream.ToArray ()
else
[||]
{ Id = getString "id" rdr |> UploadId
WebLogId = getString "web_log_id" rdr |> WebLogId
Path = getString "path" rdr |> Permalink
{ Id = getString "id" rdr |> UploadId
WebLogId = getString "web_log_id" rdr |> WebLogId
Path = getString "path" rdr |> Permalink
UpdatedOn = getInstant "updated_on" rdr
Data = data
}
@ -307,9 +310,6 @@ module Map =
LastSeenOn = tryInstant "last_seen_on" rdr
}
/// Add a possibly-missing parameter, substituting null for None
let maybe<'T> (it : 'T option) : obj = match it with Some x -> x :> obj | None -> DBNull.Value
/// Add a web log ID parameter
let addWebLogId (cmd : SqliteCommand) webLogId =
cmd.Parameters.AddWithValue ("@webLogId", WebLogId.toString webLogId) |> ignore

2
src/MyWebLog.Data/SQLite/SQLitePageData.fs
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@ -115,7 +115,7 @@ type SQLitePageData (conn : SqliteConnection, ser : JsonSerializer) =
page_text, meta_items
) VALUES (
@id, @webLogId, @authorId, @title, @permalink, @publishedOn, @updatedOn, @isInPageList, @template,
@text, @meta_items
@text, @metaItems
)"
addPageParameters cmd page
do! write cmd

184
src/MyWebLog.Data/SQLiteData.fs
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@ -24,7 +24,7 @@ type SQLiteData (conn : SqliteConnection, log : ILogger<SQLiteData>, ser : JsonS
return tableList
}
let needsTable table =
List.contains table tables
not (List.contains table tables)
seq {
// Theme tables
if needsTable "theme" then
@ -230,7 +230,7 @@ type SQLiteData (conn : SqliteConnection, log : ILogger<SQLiteData>, ser : JsonS
/// Log a migration step
let logMigrationStep migration message =
log.LogInformation $"[%s{migration}] %s{message}"
log.LogInformation $"Migrating %s{migration}: %s{message}"
/// Implement the changes between v2-rc1 and v2-rc2
let migrateV2Rc1ToV2Rc2 () = backgroundTask {
@ -335,6 +335,7 @@ type SQLiteData (conn : SqliteConnection, log : ILogger<SQLiteData>, ser : JsonS
EpisodeDescription = Map.tryString "episode_description" epRdr
}
} |> List.ofSeq
epRdr.Close ()
episodes
|> List.iter (fun (postId, episode) ->
cmd.CommandText <- "UPDATE post SET episode = @episode WHERE id = @id"
@ -343,12 +344,189 @@ type SQLiteData (conn : SqliteConnection, log : ILogger<SQLiteData>, ser : JsonS
let _ = cmd.ExecuteNonQuery ()
cmd.Parameters.Clear ())
logStep "Migrating dates/times"
let inst (dt : System.DateTime) =
System.DateTime (dt.Ticks, System.DateTimeKind.Utc)
|> (Instant.FromDateTimeUtc >> Noda.toSecondsPrecision)
// page.updated_on, page.published_on
cmd.CommandText <- "SELECT id, updated_on, published_on FROM page"
use! pageRdr = cmd.ExecuteReaderAsync ()
let toUpdate =
seq {
while pageRdr.Read () do
Map.getString "id" pageRdr,
inst (Map.getDateTime "updated_on" pageRdr),
inst (Map.getDateTime "published_on" pageRdr)
} |> List.ofSeq
pageRdr.Close ()
cmd.CommandText <- "UPDATE page SET updated_on = @updatedOn, published_on = @publishedOn WHERE id = @id"
[ cmd.Parameters.Add ("@id", SqliteType.Text)
cmd.Parameters.Add ("@updatedOn", SqliteType.Text)
cmd.Parameters.Add ("@publishedOn", SqliteType.Text)
] |> ignore
toUpdate
|> List.iter (fun (pageId, updatedOn, publishedOn) ->
cmd.Parameters["@id" ].Value <- pageId
cmd.Parameters["@updatedOn" ].Value <- instantParam updatedOn
cmd.Parameters["@publishedOn"].Value <- instantParam publishedOn
let _ = cmd.ExecuteNonQuery ()
())
cmd.Parameters.Clear ()
// page_revision.as_of
cmd.CommandText <- "SELECT * FROM page_revision"
use! pageRevRdr = cmd.ExecuteReaderAsync ()
let toUpdate =
seq {
while pageRevRdr.Read () do
let asOf = Map.getDateTime "as_of" pageRevRdr
Map.getString "page_id" pageRevRdr, asOf, inst asOf, Map.getString "revision_text" pageRevRdr
} |> List.ofSeq
pageRevRdr.Close ()
cmd.CommandText <-
"DELETE FROM page_revision WHERE page_id = @pageId AND as_of = @oldAsOf;
INSERT INTO page_revision (page_id, as_of, revision_text) VALUES (@pageId, @asOf, @text)"
[ cmd.Parameters.Add ("@pageId", SqliteType.Text)
cmd.Parameters.Add ("@oldAsOf", SqliteType.Text)
cmd.Parameters.Add ("@asOf", SqliteType.Text)
cmd.Parameters.Add ("@text", SqliteType.Text)
] |> ignore
toUpdate
|> List.iter (fun (pageId, oldAsOf, asOf, text) ->
cmd.Parameters["@pageId" ].Value <- pageId
cmd.Parameters["@oldAsOf"].Value <- oldAsOf
cmd.Parameters["@asOf" ].Value <- instantParam asOf
cmd.Parameters["@text" ].Value <- text
let _ = cmd.ExecuteNonQuery ()
())
cmd.Parameters.Clear ()
// post.updated_on, post.published_on (opt)
cmd.CommandText <- "SELECT id, updated_on, published_on FROM post"
use! postRdr = cmd.ExecuteReaderAsync ()
let toUpdate =
seq {
while postRdr.Read () do
Map.getString "id" postRdr,
inst (Map.getDateTime "updated_on" postRdr),
(Map.tryDateTime "published_on" postRdr |> Option.map inst)
} |> List.ofSeq
postRdr.Close ()
cmd.CommandText <- "UPDATE post SET updated_on = @updatedOn, published_on = @publishedOn WHERE id = @id"
[ cmd.Parameters.Add ("@id", SqliteType.Text)
cmd.Parameters.Add ("@updatedOn", SqliteType.Text)
cmd.Parameters.Add ("@publishedOn", SqliteType.Text)
] |> ignore
toUpdate
|> List.iter (fun (postId, updatedOn, publishedOn) ->
cmd.Parameters["@id" ].Value <- postId
cmd.Parameters["@updatedOn" ].Value <- instantParam updatedOn
cmd.Parameters["@publishedOn"].Value <- maybeInstant publishedOn
let _ = cmd.ExecuteNonQuery ()
())
cmd.Parameters.Clear ()
// post_revision.as_of
cmd.CommandText <- "SELECT * FROM post_revision"
use! postRevRdr = cmd.ExecuteReaderAsync ()
let toUpdate =
seq {
while postRevRdr.Read () do
let asOf = Map.getDateTime "as_of" postRevRdr
Map.getString "post_id" postRevRdr, asOf, inst asOf, Map.getString "revision_text" postRevRdr
} |> List.ofSeq
postRevRdr.Close ()
cmd.CommandText <-
"DELETE FROM post_revision WHERE post_id = @postId AND as_of = @oldAsOf;
INSERT INTO post_revision (post_id, as_of, revision_text) VALUES (@postId, @asOf, @text)"
[ cmd.Parameters.Add ("@postId", SqliteType.Text)
cmd.Parameters.Add ("@oldAsOf", SqliteType.Text)
cmd.Parameters.Add ("@asOf", SqliteType.Text)
cmd.Parameters.Add ("@text", SqliteType.Text)
] |> ignore
toUpdate
|> List.iter (fun (postId, oldAsOf, asOf, text) ->
cmd.Parameters["@postId" ].Value <- postId
cmd.Parameters["@oldAsOf"].Value <- oldAsOf
cmd.Parameters["@asOf" ].Value <- instantParam asOf
cmd.Parameters["@text" ].Value <- text
let _ = cmd.ExecuteNonQuery ()
())
cmd.Parameters.Clear ()
// theme_asset.updated_on
cmd.CommandText <- "SELECT theme_id, path, updated_on FROM theme_asset"
use! assetRdr = cmd.ExecuteReaderAsync ()
let toUpdate =
seq {
while assetRdr.Read () do
Map.getString "theme_id" assetRdr, Map.getString "path" assetRdr,
inst (Map.getDateTime "updated_on" assetRdr)
} |> List.ofSeq
assetRdr.Close ()
cmd.CommandText <- "UPDATE theme_asset SET updated_on = @updatedOn WHERE theme_id = @themeId AND path = @path"
[ cmd.Parameters.Add ("@updatedOn", SqliteType.Text)
cmd.Parameters.Add ("@themeId", SqliteType.Text)
cmd.Parameters.Add ("@path", SqliteType.Text)
] |> ignore
toUpdate
|> List.iter (fun (themeId, path, updatedOn) ->
cmd.Parameters["@themeId" ].Value <- themeId
cmd.Parameters["@path" ].Value <- path
cmd.Parameters["@updatedOn"].Value <- instantParam updatedOn
let _ = cmd.ExecuteNonQuery ()
())
cmd.Parameters.Clear ()
// upload.updated_on
cmd.CommandText <- "SELECT id, updated_on FROM upload"
use! upRdr = cmd.ExecuteReaderAsync ()
let toUpdate =
seq {
while upRdr.Read () do
Map.getString "id" upRdr, inst (Map.getDateTime "updated_on" upRdr)
} |> List.ofSeq
upRdr.Close ()
cmd.CommandText <- "UPDATE upload SET updated_on = @updatedOn WHERE id = @id"
[ cmd.Parameters.Add ("@updatedOn", SqliteType.Text)
cmd.Parameters.Add ("@id", SqliteType.Text)
] |> ignore
toUpdate
|> List.iter (fun (upId, updatedOn) ->
cmd.Parameters["@id" ].Value <- upId
cmd.Parameters["@updatedOn"].Value <- instantParam updatedOn
let _ = cmd.ExecuteNonQuery ()
())
cmd.Parameters.Clear ()
// web_log_user.created_on, web_log_user.last_seen_on (opt)
cmd.CommandText <- "SELECT id, created_on, last_seen_on FROM web_log_user"
use! userRdr = cmd.ExecuteReaderAsync ()
let toUpdate =
seq {
while userRdr.Read () do
Map.getString "id" userRdr,
inst (Map.getDateTime "created_on" userRdr),
(Map.tryDateTime "last_seen_on" userRdr |> Option.map inst)
} |> List.ofSeq
userRdr.Close ()
cmd.CommandText <- "UPDATE web_log_user SET created_on = @createdOn, last_seen_on = @lastSeenOn WHERE id = @id"
[ cmd.Parameters.Add ("@id", SqliteType.Text)
cmd.Parameters.Add ("@createdOn", SqliteType.Text)
cmd.Parameters.Add ("@lastSeenOn", SqliteType.Text)
] |> ignore
toUpdate
|> List.iter (fun (userId, createdOn, lastSeenOn) ->
cmd.Parameters["@id" ].Value <- userId
cmd.Parameters["@createdOn" ].Value <- instantParam createdOn
cmd.Parameters["@lastSeenOn"].Value <- maybeInstant lastSeenOn
let _ = cmd.ExecuteNonQuery ()
())
cmd.Parameters.Clear ()
conn.Close ()
conn.Open ()
logStep "Dropping old tables"
cmd.CommandText <-
"DROP TABLE post_episode;
DROP TABLE post_meta;
DROP TABLE page_meta;
DROP TABLE web_log_podcast"
DROP TABLE web_log_feed_podcast"
do! write cmd
logStep "Setting database version"

7
src/MyWebLog.Domain/SupportTypes.fs
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@ -22,8 +22,13 @@ module Noda =
/// The Unix epoch
let epoch = Instant.FromUnixTimeSeconds 0L
/// Truncate an instant to remove fractional seconds
let toSecondsPrecision (value : Instant) =
Instant.FromUnixTimeSeconds (value.ToUnixTimeSeconds ())
/// The current Instant, with fractional seconds truncated
let now () = Instant.FromUnixTimeSeconds (clock.GetCurrentInstant().ToUnixTimeSeconds ())
let now () =
toSecondsPrecision (clock.GetCurrentInstant ())
/// A user's access level

4
src/MyWebLog/Maintenance.fs
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@ -397,9 +397,7 @@ module Backup =
if not (List.isEmpty restore.Categories) then do! data.Category.Restore restore.Categories
printfn "- Restoring pages..."
if not (List.isEmpty restore.Pages) then
printfn "here"
do! data.Page.Restore restore.Pages
if not (List.isEmpty restore.Pages) then do! data.Page.Restore restore.Pages
printfn "- Restoring posts..."
if not (List.isEmpty restore.Posts) then do! data.Post.Restore restore.Posts