moved prepare_* methods from dialect to query_utils

include/matador/sql/dialect.hpp

@@ -21,15 +21,14 @@ namespace matador::sql {
 
 class connection_impl;
 
-class dialect final
-{
+class dialect final {
 public:
   /**
    * Holding enums concerning escaping identifiers
    */
   enum class escape_identifier_t : uint8_t {
-    ESCAPE_BOTH_SAME,       /**< The escape quotes are the same  */
-    ESCAPE_CLOSING_BRACKET  /**< The escape quotes differ; escape the closing one */
+    EscapeBothSame,       /**< The escape quotes are the same  */
+    EscapeClosingBracket  /**< The escape quotes differ; escape the closing one */
   };
 
   using token_to_string_map = std::unordered_map<dialect_token, std::string>;
@@ -44,50 +43,10 @@ public:
   [[nodiscard]] const std::string& data_type_at(utils::basic_type type) const;
   [[nodiscard]] const std::string& sql_function_at(sql_function_t func) const;
 
-  /**
-   * Prepare sql dialect identifier for execution
-   * and escape quotes and quote the identifier
-   * string
-   *
-   * @param col The identifier string to be prepared
-   * @return The prepared string
-   */
-  [[nodiscard]] std::string prepare_identifier_string(const std::string &col) const;
-
   [[nodiscard]] const std::string& to_string(bool val) const;
 
-  [[nodiscard]] std::string to_sql_string(const utils::value &val) const ;
-
   void bool_strings(const std::string &true_string, const std::string &false_string);
 
-  /**
-   * Prepare string literal
-   *
-   * @param str String literal to be prepared
-   */
-  [[nodiscard]] std::string prepare_literal(const std::string &str) const;
-
-  /**
-   * Wrap identifier quotes around a SQL identifier keyword
-   *
-   * @param str Identifier to put quotes around
-   */
-  void quote_identifier(std::string &str) const;
-
-  /**
-   * Escape identifier quotes inside identifiers.
-   *
-   * @param str Identifier to be escaped
-   */
-  void escape_quotes_in_identifier(std::string &str) const;
-
-  /**
-   * Escape quotes in string literals
-   *
-   * @param str String literal to be escaped
-   */
-  void escape_quotes_in_literals(std::string &str) const;
-
   /**
    * Returns how the identifier quotes should be
    * escaped.
@@ -192,7 +151,7 @@ private:
   next_placeholder_func placeholder_func_ = [](size_t) { return "?"; };
   to_escaped_string_func to_escaped_string_func_ = [](const utils::blob_type_t &val) { return utils::to_string(val); };
 
-  escape_identifier_t identifier_escape_type_ = escape_identifier_t::ESCAPE_BOTH_SAME;
+  escape_identifier_t identifier_escape_type_ = escape_identifier_t::EscapeBothSame;
 
   std::string default_schema_name_;