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Code Issues Releases Wiki Activity

Remove unnecessary indexes

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For columns are already included in a compound index there is no
benefit to having a separate index with a subset of the same columns in
the same order, it just wastes space.
This commit is contained in:
Stu Tomlinson 2022-11-22 12:15:35 +00:00
parent 93bf4d5411
commit 06ffe995e1
9 changed files with 6 additions and 108 deletions
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5
src/mod_admin_update_sql.erl
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@ -129,7 +129,6 @@ update_tables(State) ->
drop_index(State, "i_rosteru_username"),
drop_index(State, "i_rosteru_jid"),
create_unique_index(State, "rosterusers", "i_rosteru_sh_user_jid", ["server_host", "username", "jid"]),
create_index(State, "rosterusers", "i_rosteru_sh_username", ["server_host", "username"]),
create_index(State, "rosterusers", "i_rosteru_sh_jid", ["server_host", "jid"]),
drop_sh_default(State, "rosterusers"),
@ -149,7 +148,6 @@ update_tables(State) ->
drop_index(State, "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_jid", ["server_host", "jid"]),
create_index(State, "sr_user", "i_sr_user_sh_grp", ["server_host", "grp"]),
drop_sh_default(State, "sr_user"),
@ -217,7 +215,6 @@ update_tables(State) ->
add_sh_column(State, "privacy_list"),
drop_index(State, "i_privacy_list_username"),
drop_index(State, "i_privacy_list_username_name"),
create_index(State, "privacy_list", "i_privacy_list_sh_username", ["server_host", "username"]),
create_unique_index(State, "privacy_list", "i_privacy_list_sh_username_name", ["server_host", "username", "name"]),
drop_sh_default(State, "privacy_list"),
@ -225,7 +222,6 @@ update_tables(State) ->
drop_index(State, "i_private_storage_username"),
drop_index(State, "i_private_storage_username_namespace"),
add_pkey(State, "private_storage", ["server_host", "username", "namespace"]),
create_index(State, "private_storage", "i_private_storage_sh_username", ["server_host", "username"]),
drop_sh_default(State, "private_storage"),
add_sh_column(State, "roster_version"),
@ -268,7 +264,6 @@ update_tables(State) ->
drop_index(State, "i_mix_pam"),
drop_index(State, "i_mix_pam_us"),
create_unique_index(State, "mix_pam", "i_mix_pam", ["username", "server_host", "channel", "service"]),
create_index(State, "mix_pam", "i_mix_pam_us", ["username", "server_host"]),
drop_sh_default(State, "mix_pam"),
add_sh_column(State, "mqtt_pub"),