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Do not remove rfc724_mid for unlinked messages

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Message-ID is used to send read receipts. Instead, add a separate
"unlinked" column.
This commit is contained in:
Alexander Krotov
2020-02-24 20:26:55 +03:00
parent a653e469f2
commit b2f1d9f376
2 changed files with 15 additions and 5 deletions
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12
src/message.rs
View File

@@ -119,8 +119,7 @@ impl MsgId {
.ok();
}
/// Removes Message-ID, IMAP server UID, folder from the database
/// record.
/// Removes IMAP server UID and folder from the database record.
///
/// It is used to avoid trying to remove the message from the
/// server multiple times when there are multiple message records
@@ -130,7 +129,7 @@ impl MsgId {
context,
&context.sql,
"UPDATE msgs \
SET rfc724_mid='', server_folder='', server_uid=0 \
SET unlinked=1, server_folder='', server_uid=0 \
WHERE id=?",
params![self],
)
@@ -1373,10 +1372,12 @@ pub fn get_deaddrop_msg_cnt(context: &Context) -> usize {
/// Counts number of database records pointing to specified
/// Message-ID.
///
/// Unlinked messages are excluded.
pub fn rfc724_mid_cnt(context: &Context, rfc724_mid: &str) -> i32 {
// check the number of messages with the same rfc724_mid
match context.sql.query_row(
"SELECT COUNT(*) FROM msgs WHERE rfc724_mid=?;",
"SELECT COUNT(*) FROM msgs WHERE rfc724_mid=? AND NOT unlinked",
&[rfc724_mid],
|row| row.get(0),
) {
@@ -1417,7 +1418,8 @@ pub fn update_server_uid(
server_uid: u32,
) {
match context.sql.execute(
"UPDATE msgs SET server_folder=?, server_uid=? WHERE rfc724_mid=?;",
"UPDATE msgs SET server_folder=?, server_uid=? \
WHERE rfc724_mid=? AND NOT unlinked",
params![server_folder.as_ref(), server_uid, rfc724_mid],
) {
Ok(_) => {}

8
src/sql.rs
View File

@@ -898,6 +898,14 @@ fn open(
sql.execute("UPDATE chats SET grpid='' WHERE type=100", NO_PARAMS)?;
sql.set_raw_config_int(context, "dbversion", 63)?;
}
if dbversion < 64 {
info!(context, "[migration] v64");
sql.execute(
"ALTER TABLE msgs ADD COLUMN unlinked INTEGER DEFAULT 0",
NO_PARAMS,
)?;
sql.set_raw_config_int(context, "dbversion", 64)?;
}
// (2) updates that require high-level objects
// (the structure is complete now and all objects are usable)