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perf: add index for tags

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This commit is contained in:
Greg Heartsfield 2022-12-17 23:17:53 -06:00
parent 0c72053a49
commit 7c1516c4fb
1 changed files with 27 additions and 1 deletions
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28
src/schema.rs
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@ -20,7 +20,7 @@ pragma mmap_size = 1073741824; -- 1024MB of mmap
"##;
/// Latest database version
pub const DB_VERSION: usize = 10;
pub const DB_VERSION: usize = 11;
/// Schema definition
const INIT_SQL: &str = formatcp!(
@ -68,6 +68,7 @@ FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
CREATE INDEX IF NOT EXISTS tag_val_index ON tag(value);
CREATE INDEX IF NOT EXISTS tag_val_hex_index ON tag(value_hex);
CREATE INDEX IF NOT EXISTS tag_composite_index ON tag(event_id,name,value_hex,value);
CREATE INDEX IF NOT EXISTS tag_name_eid_index ON tag(name,event_id,value_hex);
-- NIP-05 User Validation
CREATE TABLE IF NOT EXISTS user_verification (
@ -167,6 +168,10 @@ pub fn upgrade_db(conn: &mut PooledConnection) -> Result<()> {
if curr_version == 9 {
curr_version = mig_9_to_10(conn)?;
}
if curr_version == 10 {
curr_version = mig_10_to_11(conn)?;
}
if curr_version == DB_VERSION {
info!(
"All migration scripts completed successfully. Welcome to v{}.",
@ -443,3 +448,24 @@ PRAGMA user_version = 10;
}
Ok(10)
}
fn mig_10_to_11(conn: &mut PooledConnection) -> Result<usize> {
info!("database schema needs update from 10->11");
// Those old indexes were actually helpful...
let upgrade_sql = r##"
CREATE INDEX IF NOT EXISTS tag_name_eid_index ON tag(name,event_id,value_hex);
reindex;
pragma optimize;
PRAGMA user_version = 11;
"##;
match conn.execute_batch(upgrade_sql) {
Ok(()) => {
info!("database schema upgraded v10 -> v11");
}
Err(err) => {
error!("update failed: {}", err);
panic!("database could not be upgraded");
}
}
Ok(11)
}