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Remove separate attachment table. Fixes #8

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This commit is contained in:
Tulir Asokan
2022-06-27 10:53:49 +03:00
parent a55dcc7c9f
commit 21269d91dd
7 changed files with 168 additions and 287 deletions
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11
database/upgrades/00-latest-revision.sql
View File

@@ -1,4 +1,4 @@
-- v0 -> v3: Latest revision
-- v0 -> v4: Latest revision
CREATE TABLE guild (
dcid TEXT PRIMARY KEY,
@@ -90,6 +90,8 @@ CREATE TABLE user_portal (
CREATE TABLE message (
dcid TEXT,
dc_attachment_id TEXT,
dc_edit_index INTEGER,
dc_chan_id TEXT,
dc_chan_receiver TEXT,
dc_sender TEXT NOT NULL,
@@ -98,7 +100,7 @@ CREATE TABLE message (
mxid TEXT NOT NULL UNIQUE,
PRIMARY KEY (dcid, dc_chan_id, dc_chan_receiver),
PRIMARY KEY (dcid, dc_attachment_id, dc_edit_index, dc_chan_id, dc_chan_receiver),
CONSTRAINT message_portal_fkey FOREIGN KEY (dc_chan_id, dc_chan_receiver) REFERENCES portal (dcid, receiver) ON DELETE CASCADE
);
@@ -110,10 +112,13 @@ CREATE TABLE reaction (
dc_emoji_name TEXT,
dc_thread_id TEXT,
dc_first_attachment_id TEXT NOT NULL,
_dc_first_edit_index INTEGER NOT NULL DEFAULT 0,
mxid TEXT NOT NULL UNIQUE,
PRIMARY KEY (dc_chan_id, dc_chan_receiver, dc_msg_id, dc_sender, dc_emoji_name),
CONSTRAINT reaction_message_fkey FOREIGN KEY (dc_msg_id, dc_chan_id, dc_chan_receiver) REFERENCES message (dcid, dc_chan_id, dc_chan_receiver) ON DELETE CASCADE
CONSTRAINT reaction_message_fkey FOREIGN KEY (dc_msg_id, dc_first_attachment_id, _dc_first_edit_index, dc_chan_id, dc_chan_receiver) REFERENCES message (dcid, dc_attachment_id, dc_edit_index, dc_chan_id, dc_chan_receiver) ON DELETE CASCADE
);
CREATE TABLE attachment (

20
database/upgrades/04-attachment-fix.sql Normal file
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@@ -0,0 +1,20 @@
-- v4: Fix storing attachments
ALTER TABLE reaction DROP CONSTRAINT reaction_message_fkey;
ALTER TABLE attachment DROP CONSTRAINT attachment_message_fkey;
ALTER TABLE message DROP CONSTRAINT message_pkey;
ALTER TABLE message ADD COLUMN dc_attachment_id TEXT NOT NULL DEFAULT '';
ALTER TABLE message ADD COLUMN dc_edit_index INTEGER NOT NULL DEFAULT 0;
ALTER TABLE message ALTER COLUMN dc_attachment_id DROP DEFAULT;
ALTER TABLE message ALTER COLUMN dc_edit_index DROP DEFAULT;
ALTER TABLE message ADD PRIMARY KEY (dcid, dc_attachment_id, dc_edit_index, dc_chan_id, dc_chan_receiver);
INSERT INTO message (dcid, dc_attachment_id, dc_edit_index, dc_chan_id, dc_chan_receiver, dc_sender, timestamp, dc_thread_id, mxid)
SELECT message.dcid, attachment.dcid, 0, attachment.dc_chan_id, attachment.dc_chan_receiver, message.dc_sender, message.timestamp, attachment.dc_thread_id, attachment.mxid
FROM attachment LEFT JOIN message ON attachment.dc_msg_id = message.dcid;
DROP TABLE attachment;
ALTER TABLE reaction ADD COLUMN dc_first_attachment_id TEXT NOT NULL DEFAULT '';
ALTER TABLE reaction ALTER COLUMN dc_first_attachment_id DROP DEFAULT;
ALTER TABLE reaction ADD COLUMN _dc_first_edit_index INTEGER DEFAULT 0;
ALTER TABLE reaction ADD CONSTRAINT reaction_message_fkey
FOREIGN KEY (dc_msg_id, dc_first_attachment_id, _dc_first_edit_index, dc_chan_id, dc_chan_receiver)
REFERENCES message(dcid, dc_attachment_id, dc_edit_index, dc_chan_id, dc_chan_receiver);