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refactor: remove some fmt.Sprintf calls

Browse source 
fmt.Sprintf is slow, so let's get rid of it in trivial cases that are in (at
least) moderately hot paths.
This commit is contained in:
jvoisin 2025-08-08 22:55:35 +02:00 • committed by Frédéric Guillot
parent 884521a7dd
commit 50c5996280
5 changed files with 30 additions and 28 deletions
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3
internal/model/icon.go
View file

@ -5,7 +5,6 @@ package model // import "miniflux.app/v2/internal/model"
import (
"encoding/base64"
"fmt"
)
// Icon represents a website icon (favicon)
@ -19,7 +18,7 @@ type Icon struct {
// DataURL returns the data URL of the icon.
func (i *Icon) DataURL() string {
return fmt.Sprintf("%s;base64,%s", i.MimeType, base64.StdEncoding.EncodeToString(i.Content))
return i.MimeType + ";base64," + base64.StdEncoding.EncodeToString(i.Content)
}
// Icons represents a list of icons.

9
internal/storage/batch.go
View file

@ -7,6 +7,7 @@ import (
"database/sql"
"fmt"
"log/slog"
"strconv"
"strings"
"miniflux.app/v2/internal/model"
@ -33,20 +34,20 @@ func (b *BatchBuilder) WithBatchSize(batchSize int) *BatchBuilder {
}
func (b *BatchBuilder) WithUserID(userID int64) *BatchBuilder {
b.conditions = append(b.conditions, fmt.Sprintf("user_id = $%d", len(b.args)+1))
b.conditions = append(b.conditions, "user_id = $"+strconv.Itoa(len(b.args)+1))
b.args = append(b.args, userID)
return b
}
func (b *BatchBuilder) WithCategoryID(categoryID int64) *BatchBuilder {
b.conditions = append(b.conditions, fmt.Sprintf("category_id = $%d", len(b.args)+1))
b.conditions = append(b.conditions, "category_id = $"+strconv.Itoa(len(b.args)+1))
b.args = append(b.args, categoryID)
return b
}
func (b *BatchBuilder) WithErrorLimit(limit int) *BatchBuilder {
if limit > 0 {
b.conditions = append(b.conditions, fmt.Sprintf("parsing_error_count < $%d", len(b.args)+1))
b.conditions = append(b.conditions, "parsing_error_count < $"+strconv.Itoa(len(b.args)+1))
b.args = append(b.args, limit)
}
return b
@ -81,7 +82,7 @@ func (b *BatchBuilder) FetchJobs() (model.JobList, error) {
query += " ORDER BY next_check_at ASC"
if b.batchSize > 0 {
query += fmt.Sprintf(" LIMIT %d", b.batchSize)
query += " LIMIT " + strconv.Itoa(b.batchSize)
}
rows, err := b.db.Query(query, b.args...)

9
internal/storage/entry_pagination_builder.go
View file

@ -6,6 +6,7 @@ package storage // import "miniflux.app/v2/internal/storage"
import (
"database/sql"
"fmt"
"strconv"
"strings"
"miniflux.app/v2/internal/model"
@ -37,7 +38,7 @@ func (e *EntryPaginationBuilder) WithStarred() {
// WithFeedID adds feed_id to the condition.
func (e *EntryPaginationBuilder) WithFeedID(feedID int64) {
if feedID != 0 {
e.conditions = append(e.conditions, fmt.Sprintf("e.feed_id = $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.feed_id = $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, feedID)
}
}
@ -45,7 +46,7 @@ func (e *EntryPaginationBuilder) WithFeedID(feedID int64) {
// WithCategoryID adds category_id to the condition.
func (e *EntryPaginationBuilder) WithCategoryID(categoryID int64) {
if categoryID != 0 {
e.conditions = append(e.conditions, fmt.Sprintf("f.category_id = $%d", len(e.args)+1))
e.conditions = append(e.conditions, "f.category_id = $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, categoryID)
}
}
@ -53,7 +54,7 @@ func (e *EntryPaginationBuilder) WithCategoryID(categoryID int64) {
// WithStatus adds status to the condition.
func (e *EntryPaginationBuilder) WithStatus(status string) {
if status != "" {
e.conditions = append(e.conditions, fmt.Sprintf("e.status = $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.status = $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, status)
}
}
@ -124,7 +125,7 @@ func (e *EntryPaginationBuilder) getPrevNextID(tx *sql.Tx) (prevID int64, nextID
`
subCondition := strings.Join(e.conditions, " AND ")
finalCondition := fmt.Sprintf("ep.id = $%d", len(e.args)+1)
finalCondition := "ep.id = $" + strconv.Itoa(len(e.args)+1)
query := fmt.Sprintf(cte, e.order, subCondition, finalCondition)
e.args = append(e.args, e.entryID)

29
internal/storage/entry_query_builder.go
View file

@ -6,6 +6,7 @@ package storage // import "miniflux.app/v2/internal/storage"
import (
"database/sql"
"fmt"
"strconv"
"strings"
"time"
@ -60,28 +61,28 @@ func (e *EntryQueryBuilder) WithStarred(starred bool) *EntryQueryBuilder {
// BeforeChangedDate adds a condition < changed_at
func (e *EntryQueryBuilder) BeforeChangedDate(date time.Time) *EntryQueryBuilder {
e.conditions = append(e.conditions, fmt.Sprintf("e.changed_at < $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.changed_at < $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, date)
return e
}
// AfterChangedDate adds a condition > changed_at
func (e *EntryQueryBuilder) AfterChangedDate(date time.Time) *EntryQueryBuilder {
e.conditions = append(e.conditions, fmt.Sprintf("e.changed_at > $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.changed_at > $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, date)
return e
}
// BeforePublishedDate adds a condition < published_at
func (e *EntryQueryBuilder) BeforePublishedDate(date time.Time) *EntryQueryBuilder {
e.conditions = append(e.conditions, fmt.Sprintf("e.published_at < $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.published_at < $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, date)
return e
}
// AfterPublishedDate adds a condition > published_at
func (e *EntryQueryBuilder) AfterPublishedDate(date time.Time) *EntryQueryBuilder {
e.conditions = append(e.conditions, fmt.Sprintf("e.published_at > $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.published_at > $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, date)
return e
}
@ -89,7 +90,7 @@ func (e *EntryQueryBuilder) AfterPublishedDate(date time.Time) *EntryQueryBuilde
// BeforeEntryID adds a condition < entryID.
func (e *EntryQueryBuilder) BeforeEntryID(entryID int64) *EntryQueryBuilder {
if entryID != 0 {
e.conditions = append(e.conditions, fmt.Sprintf("e.id < $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.id < $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, entryID)
}
return e
@ -98,7 +99,7 @@ func (e *EntryQueryBuilder) BeforeEntryID(entryID int64) *EntryQueryBuilder {
// AfterEntryID adds a condition > entryID.
func (e *EntryQueryBuilder) AfterEntryID(entryID int64) *EntryQueryBuilder {
if entryID != 0 {
e.conditions = append(e.conditions, fmt.Sprintf("e.id > $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.id > $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, entryID)
}
return e
@ -114,7 +115,7 @@ func (e *EntryQueryBuilder) WithEntryIDs(entryIDs []int64) *EntryQueryBuilder {
// WithEntryID filter by entry ID.
func (e *EntryQueryBuilder) WithEntryID(entryID int64) *EntryQueryBuilder {
if entryID != 0 {
e.conditions = append(e.conditions, fmt.Sprintf("e.id = $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.id = $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, entryID)
}
return e
@ -123,7 +124,7 @@ func (e *EntryQueryBuilder) WithEntryID(entryID int64) *EntryQueryBuilder {
// WithFeedID filter by feed ID.
func (e *EntryQueryBuilder) WithFeedID(feedID int64) *EntryQueryBuilder {
if feedID > 0 {
e.conditions = append(e.conditions, fmt.Sprintf("e.feed_id = $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.feed_id = $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, feedID)
}
return e
@ -132,7 +133,7 @@ func (e *EntryQueryBuilder) WithFeedID(feedID int64) *EntryQueryBuilder {
// WithCategoryID filter by category ID.
func (e *EntryQueryBuilder) WithCategoryID(categoryID int64) *EntryQueryBuilder {
if categoryID > 0 {
e.conditions = append(e.conditions, fmt.Sprintf("f.category_id = $%d", len(e.args)+1))
e.conditions = append(e.conditions, "f.category_id = $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, categoryID)
}
return e
@ -141,7 +142,7 @@ func (e *EntryQueryBuilder) WithCategoryID(categoryID int64) *EntryQueryBuilder
// WithStatus filter by entry status.
func (e *EntryQueryBuilder) WithStatus(status string) *EntryQueryBuilder {
if status != "" {
e.conditions = append(e.conditions, fmt.Sprintf("e.status = $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.status = $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, status)
}
return e
@ -170,7 +171,7 @@ func (e *EntryQueryBuilder) WithTags(tags []string) *EntryQueryBuilder {
// WithoutStatus set the entry status that should not be returned.
func (e *EntryQueryBuilder) WithoutStatus(status string) *EntryQueryBuilder {
if status != "" {
e.conditions = append(e.conditions, fmt.Sprintf("e.status <> $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.status <> $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, status)
}
return e
@ -178,7 +179,7 @@ func (e *EntryQueryBuilder) WithoutStatus(status string) *EntryQueryBuilder {
// WithShareCode set the entry share code.
func (e *EntryQueryBuilder) WithShareCode(shareCode string) *EntryQueryBuilder {
e.conditions = append(e.conditions, fmt.Sprintf("e.share_code = $%d", len(e.args)+1))
e.conditions = append(e.conditions, "e.share_code = $"+strconv.Itoa(len(e.args)+1))
e.args = append(e.args, shareCode)
return e
}
@ -454,11 +455,11 @@ func (e *EntryQueryBuilder) buildSorting() string {
}
if e.limit > 0 {
parts += fmt.Sprintf(" LIMIT %d", e.limit)
parts += " LIMIT " + strconv.Itoa(e.limit)
}
if e.offset > 0 {
parts += fmt.Sprintf(" OFFSET %d", e.offset)
parts += " OFFSET " + strconv.Itoa(e.offset)
}
return parts

8
internal/storage/feed_query_builder.go
View file

@ -67,7 +67,7 @@ func (f *FeedQueryBuilder) WithCounters() *FeedQueryBuilder {
// WithSorting add a sort expression.
func (f *FeedQueryBuilder) WithSorting(column, direction string) *FeedQueryBuilder {
f.sortExpressions = append(f.sortExpressions, fmt.Sprintf("%s %s", column, direction))
f.sortExpressions = append(f.sortExpressions, column+" "+direction)
return f
}
@ -95,7 +95,7 @@ func (f *FeedQueryBuilder) buildSorting() string {
var parts string
if len(f.sortExpressions) > 0 {
parts += fmt.Sprintf(" ORDER BY %s", strings.Join(f.sortExpressions, ", "))
parts += " ORDER BY " + strings.Join(f.sortExpressions, ", ")
}
if len(parts) > 0 {
@ -103,11 +103,11 @@ func (f *FeedQueryBuilder) buildSorting() string {
}
if f.limit > 0 {
parts += fmt.Sprintf(" LIMIT %d", f.limit)
parts += " LIMIT " + strconv.Itoa(f.limit)
}
if f.offset > 0 {
parts += fmt.Sprintf(" OFFSET %d", f.offset)
parts += " OFFSET " + strconv.Itoa(f.offset)
}
return parts