Merge remote-tracking branch 'origin/master'

svc/routes/translation_perf.go

@@ -0,0 +1,41 @@
+package routes
+
+import (
+	"database/sql"
+	"log"
+	"strings"
+)
+
+// EnsureTranslationPerfIndexes creates helpful indexes for translation listing/search.
+// It is safe to run on each startup; failures are logged and do not stop the service.
+func EnsureTranslationPerfIndexes(db *sql.DB) {
+	if db == nil {
+		return
+	}
+
+	statements := []string{
+		`CREATE EXTENSION IF NOT EXISTS pg_trgm`,
+		`CREATE INDEX IF NOT EXISTS idx_mk_translator_t_key_lang ON mk_translator (t_key, lang_code)`,
+		`CREATE INDEX IF NOT EXISTS idx_mk_translator_status_lang_updated ON mk_translator (status, lang_code, updated_at DESC)`,
+		`CREATE INDEX IF NOT EXISTS idx_mk_translator_manual_status ON mk_translator (is_manual, status)`,
+		`CREATE INDEX IF NOT EXISTS idx_mk_translator_source_type_expr ON mk_translator ((COALESCE(NULLIF(provider_meta->>'source_type',''),'dummy')))`,
+		`CREATE INDEX IF NOT EXISTS idx_mk_translator_source_text_trgm ON mk_translator USING gin (source_text_tr gin_trgm_ops)`,
+		`CREATE INDEX IF NOT EXISTS idx_mk_translator_translated_text_trgm ON mk_translator USING gin (translated_text gin_trgm_ops)`,
+	}
+
+	for _, stmt := range statements {
+		if _, err := db.Exec(stmt); err != nil {
+			log.Printf("[TranslationPerf] index_setup_warn sql=%q err=%v", summarizeSQL(stmt), err)
+			continue
+		}
+		log.Printf("[TranslationPerf] index_ready sql=%q", summarizeSQL(stmt))
+	}
+}
+
+func summarizeSQL(sqlText string) string {
+	s := strings.TrimSpace(sqlText)
+	if len(s) <= 100 {
+		return s
+	}
+	return s[:100] + "..."
+}