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[feature/performance] support uncaching remote emoji + scheduled cleanup functions (#1987)

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kim 2023-07-24 13:14:13 +01:00 • committed by GitHub
commit 9eff0d46e4
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33 changed files with 1287 additions and 219 deletions
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39
internal/db/bundb/search.go
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@ -19,7 +19,6 @@ package bundb
import (
"context"
"strings"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
@ -61,40 +60,6 @@ type searchDB struct {
state *state.State
}
// replacer is a thread-safe string replacer which escapes
// common SQLite + Postgres `LIKE` wildcard chars using the
// escape character `\`. Initialized as a var in this package
// so it can be reused.
var replacer = strings.NewReplacer(
`\`, `\\`, // Escape char.
`%`, `\%`, // Zero or more char.
`_`, `\_`, // Exactly one char.
)
// whereSubqueryLike appends a WHERE clause to the
// given SelectQuery q, which searches for matches
// of searchQuery in the given subQuery using LIKE.
func whereSubqueryLike(
q *bun.SelectQuery,
subQuery *bun.SelectQuery,
searchQuery string,
) *bun.SelectQuery {
// Escape existing wildcard + escape
// chars in the search query string.
searchQuery = replacer.Replace(searchQuery)
// Add our own wildcards back in; search
// zero or more chars around the query.
searchQuery = `%` + searchQuery + `%`
// Append resulting WHERE
// clause to the main query.
return q.Where(
"(?) LIKE ? ESCAPE ?",
subQuery, searchQuery, `\`,
)
}
// Query example (SQLite):
//
// SELECT "account"."id" FROM "accounts" AS "account"
@ -167,7 +132,7 @@ func (s *searchDB) SearchForAccounts(
// Search using LIKE for matches of query
// string within accountText subquery.
q = whereSubqueryLike(q, accountTextSubq, query)
q = whereLike(q, accountTextSubq, query)
if limit > 0 {
// Limit amount of accounts returned.
@ -345,7 +310,7 @@ func (s *searchDB) SearchForStatuses(
// Search using LIKE for matches of query
// string within statusText subquery.
q = whereSubqueryLike(q, statusTextSubq, query)
q = whereLike(q, statusTextSubq, query)
if limit > 0 {
// Limit amount of statuses returned.