heimoshuiyu/rust-synapse-compress-state
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Fix up arg names and help text

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This commit is contained in:
Erik Johnston
2018-10-12 16:18:50 +01:00
parent cd63923f6e
commit 3b3ddc0ed0
1 changed files with 18 additions and 8 deletions
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26
src/main.rs
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@@ -126,15 +126,25 @@ fn main() {
.help("File to output the changes to in SQL")
.takes_value(true),
).arg(
Arg::with_name("individual_transactions")
Arg::with_name("transactions")
.short("t")
.help("Whether to wrap each state group change in a transaction, when writing to file")
.help("Whether to wrap each state group change in a transaction")
.requires("output_file"),
).arg(
Arg::with_name("level_sizes")
.short("l")
.value_name("LEVELS")
.help("Sizes of each new level in the compression algorithm, as a comma separate list")
.help("Sizes of each new level in the compression algorithm, as a comma separated list.")
.long_help(concat!(
"Sizes of each new level in the compression algorithm, as a comma separated list.",
" The first entry in the list is for the lowest, most granular level,",
" with each subsequent entry being for the next highest level.",
" The number of entries in the list determines the number of levels",
" that will be used.",
"\nThe sum of the sizes of the levels effect the performance of fetching the state",
" from the database, as the sum of the sizes is the upper bound on number of",
" iterations needed to fetch a given set of state.",
))
.default_value("100,50,25")
.takes_value(true),
).get_matches();
@@ -150,7 +160,7 @@ fn main() {
.value_of("room_id")
.expect("room_id should be required since no file");
let individual_transactions = matches.is_present("individual_transactions");
let transactions = matches.is_present("transactions");
let level_sizes = value_t_or_exit!(matches, "level_sizes", LevelSizes);
@@ -203,8 +213,8 @@ fn main() {
);
// If we are given an output file, we output the changes as SQL. If the
// `individual_transactions` argument is set we wrap each change to a state
// group in a transaction.
// `transactions` argument is set we wrap each change to a state group in a
// transaction.
if let Some(output) = &mut output_file {
println!("Writing changes...");
@@ -220,7 +230,7 @@ fn main() {
let new_entry = &new_state_group_map[sg];
if old_entry != new_entry {
if individual_transactions {
if transactions {
writeln!(output, "BEGIN;");
}
@@ -254,7 +264,7 @@ fn main() {
writeln!(output, ";");
}
if individual_transactions {
if transactions {
writeln!(output, "COMMIT;");
}
writeln!(output);