сделал FillRowsCount()

bin/templates/configs_/settings.txt

@@ -227,4 +227,7 @@ NEED_CREATE_CACHE_TEST_FILES=true
 TEMPLATES_GRPC_CLIENT_TABLES_CACHE_FILENAME="grpc_client_table_cache.go_"
 
 #TEMPLATES_GRPC_CLIENT_TABLES_CACHE_TEST_FILENAME - short filename of "grpc_client_table_cache_test.go_" file
-TEMPLATES_GRPC_CLIENT_TABLES_CACHE_TEST_FILENAME="grpc_client_table_cache_test.go_"
+TEMPLATES_GRPC_CLIENT_TABLES_CACHE_TEST_FILENAME="grpc_client_table_cache_test.go_"
+
+#CACHE_ELEMENTS_COUNT_MAX - maximum elements counts in cache, for every table
+CACHE_ELEMENTS_COUNT_MAX=1000

bin/templates/pkg/db/crud/crud_table_cache.go_

@@ -12,8 +12,8 @@ import (
 // cache - кэш с данными
 var cache *expirable.LRU[int64, lawsuit_status_types.LawsuitStatusType]
 
-// CACHE_SIZE - количество элементо в кэше
+// CACHE_SIZE - количество элементов в кэше
-const CACHE_SIZE = 100
+const CACHE_SIZE = 1000
 
 // CACHE_EXPIRE_MINUTES - время жизни элемента в кэше
 const CACHE_EXPIRE_MINUTES = 86400

internal/config/config.go

@@ -88,6 +88,7 @@ type SettingsINI struct {
 	TEXT_MODULE_GENERATED                            string
 	READY_ALIAS_FILENAME                             string
 	NEED_CREATE_UPDATE_EVERY_COLUMN                  bool
+	CACHE_ELEMENTS_COUNT_MAX                         int64
 }
 
 func Getenv(Name string, IsRequired bool) string {
@@ -480,6 +481,15 @@ func FillSettings() {
 	s = Getenv(Name, true)
 	Settings.TEMPLATES_GRPC_CLIENT_TABLES_CACHE_TEST_FILENAME = s
 
+	//
+	Name = "CACHE_ELEMENTS_COUNT_MAX"
+	s = Getenv(Name, true)
+	i, err := micro.Int64FromString(s)
+	if err != nil {
+		log.Error("CACHE_ELEMENTS_COUNT_MAX: ", s, " Int64FromString() error: ", err)
+	}
+	Settings.CACHE_ELEMENTS_COUNT_MAX = i
+
 }
 
 // CurrentDirectory - возвращает текущую директорию ОС

internal/constants/constants.go

@@ -62,3 +62,4 @@ const SERVER_GRPC_TABLE_CACHE_FILENAME = "server_grpc_table_cache.go_"
 const SERVER_GRPC_TABLE_CACHE_TEST_FILENAME = "server_grpc_table_cache_test.go_"
 
 const TEXT_OTVET_ID_ALIAS = "Otvet.ID = ID"
+const TEXT_CACHE_SIZE_1000 = "CACHE_SIZE"

internal/create_files/create_files.go

@@ -1374,3 +1374,24 @@ func FilenameWithoutLastUnderline(Filename string) string {
 
 	return Otvet
 }
+
+// FillVariable - заменяет переменную в тексте
+func FillVariable(Text, VariableName, Value string) string {
+	Otvet := Text
+
+	sFind := VariableName + " = "
+	pos1 := strings.Index(Otvet, sFind)
+	if pos1 < 0 {
+		return Otvet
+	}
+
+	s2 := Text[pos1:]
+	posEnd := strings.Index(s2, "\n")
+	if posEnd < 0 {
+		return Otvet
+	}
+
+	Otvet = Otvet[:pos1] + VariableName + " = " + Value + Otvet[pos1+posEnd:]
+
+	return Otvet
+}

internal/create_files/db_crud_tables/db_crud_tables.go

@@ -828,6 +828,13 @@ func CreateFilesCache(Table1 *types.Table) error {
 	//alias
 	TextCache = create_files.ConvertIDToAlias_OtvetID(TextCache, Table1)
 
+	//const CACHE_SIZE = 1000
+	CACHE_ELEMENTS_COUNT_MAX := config.Settings.CACHE_ELEMENTS_COUNT_MAX
+	Count_Now := Table1.RowsCount
+	CACHE_ELEMENTS_COUNT := micro.MinInt64(Count_Now, CACHE_ELEMENTS_COUNT_MAX)
+	sCACHE_ELEMENTS_COUNT := micro.StringFromInt64(CACHE_ELEMENTS_COUNT)
+	TextCache = create_files.FillVariable(TextCache, constants.TEXT_CACHE_SIZE_1000, sCACHE_ELEMENTS_COUNT)
+
 	//удаление пустого импорта
 	TextCache = create_files.DeleteEmptyImport(TextCache)
 

internal/postgres/postgres.go

@@ -30,6 +30,11 @@ type TableColumn struct {
 	TableComment      string `json:"table_comment"   gorm:"column:table_comment;default:''"`
 }
 
+type TableRowsStruct struct {
+	IDMinimum sql.NullString `json:"id_min"   gorm:"column:id_min;default:0"`
+	RowsCount sql.NullInt64  `json:"rows_count"   gorm:"column:rows_count;default:0"`
+}
+
 // FillMapTable - возвращает массив MassTable данными из БД
 func FillMapTable() (map[string]*types.Table, error) {
 	var err error
@@ -261,6 +266,7 @@ order by
 	//FillTypeGo(MapTable)
 
 	FillIDMinimum(MapTable)
+	FillRowsCount(MapTable)
 
 	return MapTable, err
 }
@@ -272,6 +278,7 @@ func CreateTable() *types.Table {
 	return Otvet
 }
 
+// FillIDMinimum - находим минимальный ID, для тестов с этим ID
 func FillIDMinimum(MapTable map[string]*types.Table) {
 	var err error
 
@@ -286,7 +293,7 @@ func FillIDMinimum(MapTable map[string]*types.Table) {
 			continue
 		}
 		DefaultValueSQL := create_files.FindTextDefaultValueSQL(TypeGo)
-		TextSQL := "SELECT Min(" + NameID + ") from \"" + postgres_gorm.Settings.DB_SCHEMA + "\".\"" + TableName + "\" WHERE " + NameID + " <> " + DefaultValueSQL
+		TextSQL := "SELECT Min(" + NameID + ") as id_minimum FROM \"" + postgres_gorm.Settings.DB_SCHEMA + "\".\"" + TableName + "\" WHERE " + NameID + " <> " + DefaultValueSQL
 		ctx, ctxCancelFunc := context.WithTimeout(ctxMain, time.Second*60)
 		defer ctxCancelFunc()
 		db.WithContext(ctx)
@@ -299,6 +306,7 @@ func FillIDMinimum(MapTable map[string]*types.Table) {
 		}
 
 		var IDMinimum sql.NullString
+		//TableRows := TableRowsStruct{}
 		tx = tx.Scan(&IDMinimum)
 		err = tx.Error
 		if err != nil {
@@ -315,6 +323,49 @@ func FillIDMinimum(MapTable map[string]*types.Table) {
 
 }
 
+// FillRowsCount - находим количество строк в таблице, для кэша
+func FillRowsCount(MapTable map[string]*types.Table) {
+	var err error
+
+	//соединение
+	db := postgres_gorm.GetConnection()
+	ctxMain := contextmain.GetContext()
+
+	for TableName, Table1 := range MapTable {
+		//текст запроса
+		//только Postgres SQL
+		TextSQL := `
+SELECT 
+	reltuples::bigint AS rows_count
+FROM
+	pg_class
+WHERE  
+	oid = 'public."` + TableName + `"'::regclass
+`
+		ctx, ctxCancelFunc := context.WithTimeout(ctxMain, time.Second*60)
+		defer ctxCancelFunc()
+		db.WithContext(ctx)
+
+		//запрос
+		tx := db.Raw(TextSQL)
+		err = tx.Error
+		if err != nil {
+			log.Panic("Wrong SQL query: ", TextSQL, " error: ", err)
+		}
+
+		var RowsCount sql.NullInt64
+		//TableRows := TableRowsStruct{}
+		tx = tx.Scan(&RowsCount)
+		err = tx.Error
+		if err != nil {
+			log.Panic("Wrong SQL Scan(): ", TextSQL, " error: ", err)
+		}
+
+		Table1.RowsCount = RowsCount.Int64
+	}
+
+}
+
 func FindNameTypeID(Table1 *types.Table) (string, string) {
 	Otvet := ""
 	Type := ""

internal/types/types.go

@@ -22,6 +22,7 @@ type Table struct {
 	NameGo      string
 	IDMinimum   string
 	Comment     string `json:"table_comment"   gorm:"column:table_comment;default:''"`
+	RowsCount   int64
 }
 
 type ReplaceStruct struct {