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Add MS SQL support for new schema migration

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This commit is contained in:
Stu Tomlinson 2023-01-19 19:26:13 +00:00
parent f7f0d3b1fb
commit c7c982b67b
1 changed files with 72 additions and 5 deletions
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77
src/mod_admin_update_sql.erl
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@ -63,7 +63,7 @@ depends(_Host, _Opts) ->
get_commands_spec() ->
[#ejabberd_commands{name = update_sql, tags = [sql],
desc = "Convert MySQL or PostgreSQL DB to the new format",
desc = "Convert MS SQL, MySQL or PostgreSQL DB to the new format",
module = ?MODULE, function = update_sql,
args = [],
args_example = [],
@ -93,6 +93,7 @@ update_sql(Host) ->
DBType = ejabberd_option:sql_type(LHost),
IsSupported =
case DBType of
mssql -> true;
mysql -> true;
pgsql -> true;
_ -> false
@ -139,7 +140,7 @@ update_tables(State) ->
drop_sh_default(State, "rostergroups"),
add_sh_column(State, "sr_group"),
add_pkey(State, "sr_group", ["server_host", "name"]),
drop_index(State, "sr_group", "i_sr_group_name"),
create_unique_index(State, "sr_group", "i_sr_group_sh_name", ["server_host", "name"]),
drop_sh_default(State, "sr_group"),
@ -147,7 +148,6 @@ update_tables(State) ->
drop_index(State, "sr_user", "i_sr_user_jid_grp"),
drop_index(State, "sr_user", "i_sr_user_jid"),
drop_index(State, "sr_user", "i_sr_user_grp"),
add_pkey(State, "sr_user", ["server_host", "jid", "grp"]),
create_unique_index(State, "sr_user", "i_sr_user_sh_jid_grp", ["server_host", "jid", "grp"]),
create_index(State, "sr_user", "i_sr_user_sh_grp", ["server_host", "grp"]),
drop_sh_default(State, "sr_user"),
@ -257,8 +257,8 @@ update_tables(State) ->
add_sh_column(State, "push_session"),
drop_index(State, "push_session", "i_push_usn"),
drop_index(State, "push_session", "i_push_ut"),
add_pkey(State, "push_session", ["server_host", "username", "timestamp"]),
create_unique_index(State, "push_session", "i_push_session_susn", ["server_host", "username", "service", "node"]),
create_index(State, "push_session", "i_push_session_sh_username_timestamp", ["server_host", "username", "timestamp"]),
drop_sh_default(State, "push_session"),
add_sh_column(State, "mix_pam"),
@ -281,6 +281,12 @@ add_sh_column(#state{dbtype = pgsql} = State, Table) ->
["ALTER TABLE ", Table, " ADD COLUMN server_host text NOT NULL DEFAULT '",
(State#state.escape)(State#state.host),
"';"]);
add_sh_column(#state{dbtype = mssql} = State, Table) ->
sql_query(
State#state.host,
["ALTER TABLE [", Table, "] ADD [server_host] varchar (250) NOT NULL CONSTRAINT [server_host_default] DEFAULT '",
(State#state.escape)(State#state.host),
"';"]);
add_sh_column(#state{dbtype = mysql} = State, Table) ->
sql_query(
State#state.host,
@ -292,6 +298,10 @@ drop_pkey(#state{dbtype = pgsql} = State, Table) ->
sql_query(
State#state.host,
["ALTER TABLE ", Table, " DROP CONSTRAINT ", Table, "_pkey;"]);
drop_pkey(#state{dbtype = mssql} = State, Table) ->
sql_query(
State#state.host,
["ALTER TABLE [", Table, "] DROP CONSTRAINT [", Table, "_PRIMARY];"]);
drop_pkey(#state{dbtype = mysql} = State, Table) ->
sql_query(
State#state.host,
@ -302,6 +312,13 @@ add_pkey(#state{dbtype = pgsql} = State, Table, Cols) ->
sql_query(
State#state.host,
["ALTER TABLE ", Table, " ADD PRIMARY KEY (", SCols, ");"]);
add_pkey(#state{dbtype = mssql} = State, Table, Cols) ->
SCols = string:join(Cols, "], ["),
sql_query(
State#state.host,
["ALTER TABLE [", Table, "] ADD CONSTRAINT [", Table, "_PRIMARY] PRIMARY KEY CLUSTERED ([", SCols, "]) ",
"WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ",
"ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY];"]);
add_pkey(#state{dbtype = mysql} = State, Table, Cols) ->
Cols2 = [C ++ mysql_keylen(Table, C) || C <- Cols],
SCols = string:join(Cols2, ", "),
@ -313,6 +330,10 @@ drop_sh_default(#state{dbtype = pgsql} = State, Table) ->
sql_query(
State#state.host,
["ALTER TABLE ", Table, " ALTER COLUMN server_host DROP DEFAULT;"]);
drop_sh_default(#state{dbtype = mssql} = State, Table) ->
sql_query(
State#state.host,
["ALTER TABLE [", Table, "] DROP CONSTRAINT [server_host_default];"]);
drop_sh_default(#state{dbtype = mysql} = State, Table) ->
sql_query(
State#state.host,
@ -322,6 +343,10 @@ drop_index(#state{dbtype = pgsql} = State, _Table, Index) ->
sql_query(
State#state.host,
["DROP INDEX ", Index, ";"]);
drop_index(#state{dbtype = mssql} = State, Table, Index) ->
sql_query(
State#state.host,
["DROP INDEX [", mssql_old_index_name(Index), "] ON [", Table, "];"]);
drop_index(#state{dbtype = mysql} = State, Table, Index) ->
sql_query(
State#state.host,
@ -333,6 +358,15 @@ create_unique_index(#state{dbtype = pgsql} = State, Table, Index, Cols) ->
State#state.host,
["CREATE UNIQUE INDEX ", Index, " ON ", Table, " USING btree (",
SCols, ");"]);
create_unique_index(#state{dbtype = mssql} = State, Table, "i_privacy_list_sh_username_name" = Index, Cols) ->
create_index(State, Table, Index, Cols);
create_unique_index(#state{dbtype = mssql} = State, Table, Index, Cols) ->
SCols = string:join(Cols, ", "),
sql_query(
State#state.host,
["CREATE UNIQUE ", mssql_clustered(Index), "INDEX [", mssql_new_index_name(Index), "] ",
"ON [", Table, "] (", SCols, ") ",
"WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON);"]);
create_unique_index(#state{dbtype = mysql} = State, Table, Index, Cols) ->
Cols2 = [C ++ mysql_keylen(Index, C) || C <- Cols],
SCols = string:join(Cols2, ", "),
@ -347,6 +381,12 @@ create_index(#state{dbtype = pgsql} = State, Table, Index, Cols) ->
State#state.host,
["CREATE INDEX ", Index, " ON ", Table, " USING btree (",
SCols, ");"]);
create_index(#state{dbtype = mssql} = State, Table, Index, Cols) ->
SCols = string:join(Cols, ", "),
sql_query(
State#state.host,
["CREATE INDEX [", mssql_new_index_name(Index), "] ON [", Table, "] (", SCols, ") ",
"WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON);"]);
create_index(#state{dbtype = mysql} = State, Table, Index, Cols) ->
Cols2 = [C ++ mysql_keylen(Index, C) || C <- Cols],
SCols = string:join(Cols2, ", "),
@ -355,6 +395,33 @@ create_index(#state{dbtype = mysql} = State, Table, Index, Cols) ->
["CREATE INDEX ", Index, " ON ", Table, "(",
SCols, ");"]).
mssql_old_index_name("i_bare_peer") -> "archive_bare_peer";
mssql_old_index_name("i_peer") -> "archive_peer";
mssql_old_index_name("i_timestamp") -> "archive_timestamp";
mssql_old_index_name("i_username") -> "archive_username";
mssql_old_index_name("i_username_bare_peer") -> "archive_username_bare_peer";
mssql_old_index_name("i_username_peer") -> "archive_username_peer";
mssql_old_index_name("i_username_timestamp") -> "archive_username_timestamp";
mssql_old_index_name("i_push_usn") -> "i_push_usn";
mssql_old_index_name("i_push_ut") -> "i_push_ut";
mssql_old_index_name("pk_rosterg_user_jid") -> "rostergroups_username_jid";
mssql_old_index_name("i_rosteru_jid") -> "rosterusers_jid";
mssql_old_index_name("i_rosteru_username") -> "rosterusers_username";
mssql_old_index_name("i_rosteru_user_jid") -> "rosterusers_username_jid";
mssql_old_index_name("i_despool") -> "spool_username";
mssql_old_index_name("i_sr_user_jid_grp") -> "sr_user_jid_group";
mssql_old_index_name(Index) -> string:substr(Index, 3).
mssql_new_index_name("i_rosterg_sh_user_jid") -> "rostergroups_sh_username_jid";
mssql_new_index_name("i_rosteru_sh_jid") -> "rosterusers_sh_jid";
mssql_new_index_name("i_rosteru_sh_user_jid") -> "rosterusers_sh_username_jid";
mssql_new_index_name("i_sr_user_sh_jid_grp") -> "sr_user_sh_jid_group";
mssql_new_index_name(Index) -> string:substr(Index, 3).
mssql_clustered("i_mix_pam") -> "";
mssql_clustered("i_push_session_susn") -> "";
mssql_clustered(_) -> "CLUSTERED ".
mysql_keylen(_, "bare_peer") -> "(191)";
mysql_keylen(_, "channel") -> "(191)";
mysql_keylen(_, "domain") -> "(75)";
@ -389,5 +456,5 @@ mod_doc() ->
?T("This module can be used to update existing SQL database "
"from the default to the new schema. Check the section "
"http://../database/#default-and-new-schemas[Default and New Schemas] for details. "
"Please note that only MySQL and PostgreSQL are supported. "
"Please note that only MS SQL, MySQL, and PostgreSQL are supported. "
"When the module is loaded use _`update_sql`_ API.")}.