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add index to event_entry.key

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i-norden 2023-11-30 13:00:34 -06:00
parent 2c00b5db3c
commit bb56ca245a
1 changed files with 19 additions and 1 deletions
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20
chain/events/filter/index.go
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@ -56,6 +56,8 @@ var ddls = []string{
value BLOB NOT NULL
)`,
`CREATE INDEX IF NOT EXISTS event_entry_key_index ON event_entry (key)`,
// metadata containing version of schema
`CREATE TABLE IF NOT EXISTS _meta (
version UINT64 NOT NULL UNIQUE
@ -63,6 +65,7 @@ var ddls = []string{
`INSERT OR IGNORE INTO _meta (version) VALUES (1)`,
`INSERT OR IGNORE INTO _meta (version) VALUES (2)`,
`INSERT OR IGNORE INTO _meta (version) VALUES (3)`,
}
var (
@ -70,7 +73,7 @@ var (
)
const (
schemaVersion = 2
schemaVersion = 3
eventExists = `SELECT MAX(id) FROM event WHERE height=? AND tipset_key=? AND tipset_key_cid=? AND emitter_addr=? AND event_index=? AND message_cid=? AND message_index=?`
insertEvent = `INSERT OR IGNORE INTO event(height, tipset_key, tipset_key_cid, emitter_addr, event_index, message_cid, message_index, reverted) VALUES(?, ?, ?, ?, ?, ?, ?, ?)`
@ -321,6 +324,21 @@ func NewEventIndex(ctx context.Context, path string, chainStore *store.ChainStor
version = 2
}
if version == 2 {
log.Infof("upgrading event index from version 1 to version 2")
// to upgrade to version 3 we only need to create an index on the event entries table (key) column
// which means we can just reapply the schema (it will not have any effect on existing data)
for _, ddl := range ddls {
if _, err := db.Exec(ddl); err != nil {
_ = db.Close()
return nil, xerrors.Errorf("could not upgrade index to version 3, exec ddl %q: %w", ddl, err)
}
}
version = 3
}
if version != schemaVersion {
_ = db.Close()
return nil, xerrors.Errorf("invalid database version: got %d, expected %d", version, schemaVersion)