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2dba5dbf86
- Use strings.Builder which minimizes allocations. - Avoid fmt.Sprintf which is slower than simple string concat. Results: name old time/op new time/op delta MapStringsToQueryParams/one_item-8 512ns ± 2% 377ns ± 1% -26.27% (p=0.000 n=10+9) MapStringsToQueryParams/multiple_items-8 858ns ± 5% 748ns ± 2% -12.82% (p=0.000 n=10+9) name old alloc/op new alloc/op delta MapStringsToQueryParams/one_item-8 456B ± 0% 384B ± 0% -15.79% (p=0.000 n=10+9) MapStringsToQueryParams/multiple_items-8 608B ± 0% 592B ± 0% -2.63% (p=0.000 n=10+10) name old allocs/op new allocs/op delta MapStringsToQueryParams/one_item-8 8.00 ± 0% 6.00 ± 0% -25.00% (p=0.000 n=10+10) MapStringsToQueryParams/multiple_items-8 12.0 ± 0% 12.0 ± 0% ~ (all equal)
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package sqlstore
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import (
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"database/sql"
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"strconv"
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"strings"
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"github.com/mattermost/gorp"
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"github.com/mattermost/mattermost-server/v5/mlog"
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)
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var escapeLikeSearchChar = []string{
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"%",
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"_",
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}
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func sanitizeSearchTerm(term string, escapeChar string) string {
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term = strings.Replace(term, escapeChar, "", -1)
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for _, c := range escapeLikeSearchChar {
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term = strings.Replace(term, c, escapeChar+c, -1)
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}
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return term
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}
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// Converts a list of strings into a list of query parameters and a named parameter map that can
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// be used as part of a SQL query.
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func MapStringsToQueryParams(list []string, paramPrefix string) (string, map[string]interface{}) {
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var keys strings.Builder
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params := make(map[string]interface{}, len(list))
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for i, entry := range list {
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if keys.Len() > 0 {
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keys.WriteString(",")
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}
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key := paramPrefix + strconv.Itoa(i)
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keys.WriteString(":" + key)
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params[key] = entry
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}
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return "(" + keys.String() + ")", params
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}
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// finalizeTransaction ensures a transaction is closed after use, rolling back if not already committed.
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func finalizeTransaction(transaction *gorp.Transaction) {
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// Rollback returns sql.ErrTxDone if the transaction was already closed.
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if err := transaction.Rollback(); err != nil && err != sql.ErrTxDone {
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mlog.Error("Failed to rollback transaction", mlog.Err(err))
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}
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}
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