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Diffstat (limited to 'odb/relational/context.hxx')
| -rw-r--r-- | odb/relational/context.hxx | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/odb/relational/context.hxx b/odb/relational/context.hxx deleted file mode 100644 index 0063293..0000000 --- a/odb/relational/context.hxx +++ /dev/null @@ -1,290 +0,0 @@ -// file : odb/relational/context.hxx -// copyright : Copyright (c) 2009-2019 Code Synthesis Tools CC -// license : GNU GPL v3; see accompanying LICENSE file - -#ifndef ODB_RELATIONAL_CONTEXT_HXX -#define ODB_RELATIONAL_CONTEXT_HXX - -#include <odb/context.hxx> - -#include <odb/semantics/relational.hxx> -#include <odb/traversal/relational.hxx> - -namespace relational -{ - namespace sema_rel = semantics::relational; - namespace trav_rel = traversal::relational; - - enum statement_kind - { - statement_select, - statement_insert, - statement_update, - statement_delete, - statement_where // WHERE clause. - }; - - // Index. - // - struct index - { - location_t loc; // Location of this index definition. - std::string name; // If empty, then derive from the member name. - std::string type; // E.g., "UNIQUE", etc. - std::string method; // E.g., "BTREE", etc. - std::string options; // Database-specific index options. - - struct member - { - location_t loc; // Location of this member specifier. - std::string name; // Member name, e.g., foo_, foo_.bar_. - data_member_path path; // Member path. - std::string options; // Member options, e.g., "ASC", etc. - }; - typedef std::vector<member> members_type; - - members_type members; - }; - - typedef std::vector<index> indexes; - - // Indexes in the above vector are in location order. - // - struct index_comparator - { - bool - operator() (index const& x, index const& y) const - { - return x.loc < y.loc; - } - }; - - // Custom database type mapping. - // - struct custom_db_type - { - regex type; - std::string as; - std::string to; - std::string from; - location_t loc; - }; - - typedef std::vector<custom_db_type> custom_db_types; - - class context: public virtual ::context - { - public: - // Return true if an object or value type has members for which - // the image can grow. If section is not specified, then ignore - // separately loaded members. Otherwise ignore members that do - // not belong to the section. - // - bool - grow (semantics::class_&, user_section* = 0); - - // The same for a member's value type. - // - bool - grow (semantics::data_member&); - - bool - grow (semantics::data_member&, - semantics::type&, - const custom_cxx_type*, - string const& key_prefix); - - public: - // Quote SQL string. - // - string - quote_string (string const&) const; - - // Quote SQL identifier. - // - string - quote_id (string const&) const; - - string - quote_id (qname const&) const; - - // Quoted column and table names. - // - string - column_qname (semantics::data_member& m, column_prefix const& cp) const - { - return quote_id (column_name (m, cp)); - } - - string - column_qname (data_member_path const& mp) const - { - return quote_id (column_name (mp)); - } - - string - column_qname (semantics::data_member& m, - string const& key_prefix, - string const& default_name, - column_prefix const& cp) const - { - return quote_id (column_name (m, key_prefix, default_name, cp)); - } - - string - table_qname (semantics::class_& c) const - { - return quote_id (table_name (c)); - } - - string - table_qname (semantics::class_& obj, data_member_path const& mp) const - { - return quote_id (table_name (obj, mp)); - } - - string - table_qname (semantics::data_member& m, table_prefix const& p) const - { - return quote_id (table_name (m, p)); - } - - public: - string - index_name (qname const& table, string const& base); - - string - fkey_name (qname const& table, string const& base); - - // Custom database type conversion. - // - public: - string - convert_to (string const& expr, - string const& sqlt, - semantics::data_member& m) - { - string const& conv (current ().convert_expr (sqlt, m, true)); - return conv.empty () ? expr : convert (expr, conv); - } - - string - convert_from (string const& expr, - string const& sqlt, - semantics::data_member& m) - { - string const& conv (current ().convert_expr (sqlt, m, false)); - return conv.empty () ? expr : convert (expr, conv); - } - - // These shortcut versions should only be used on special members - // (e.g., auto id, version, etc) since they may not determine the - // proper SQL type in other cases (prefixes, composite ids, etc). - // - string - convert_to (string const& expr, semantics::data_member& m) - { - return convert_to (expr, column_type (m), m); - } - - string - convert_from (string const& expr, semantics::data_member& m) - { - return convert_from (expr, column_type (m), m); - } - - // Return the conversion expression itself. - // - string const& - convert_to_expr (string const& sqlt, semantics::data_member& m) - { - return current ().convert_expr (sqlt, m, true); - } - - protected: - virtual string const& - convert_expr (string const& sqlt, semantics::data_member&, bool to); - - string - convert (string const& expr, string const& conv); - - protected: - // The default implementation returns false. - // - virtual bool - grow_impl (semantics::class_&, user_section*); - - virtual bool - grow_impl (semantics::data_member&); - - virtual bool - grow_impl (semantics::data_member&, - semantics::type&, - const custom_cxx_type*, - string const&); - - // The default implementation uses the ISO quoting ('') and - // escapes singe quotes inside the string by double-quoting - // (' -> ''). Some (most?) database systems support escape - // sequences. We may want to provide utilize that to support - // things like \n, \t, etc. - // - virtual string - quote_string_impl (string const&) const; - - // The default implementation uses the ISO quoting (""). - // - virtual string - quote_id_impl (qname const&) const; - - public: - virtual - ~context (); - context (); - - static context& - current () - { - return *current_; - } - - protected: - struct data; - typedef context base_context; - - context (data*, sema_rel::model*); - - private: - static context* current_; - - protected: - struct data: root_context::data - { - data (std::ostream& os): root_context::data (os) {} - - string bind_vector_; - string truncated_vector_; - }; - data* data_; - - public: - sema_rel::model* model; - - bool generate_grow; - bool need_alias_as; - bool insert_send_auto_id; - bool delay_freeing_statement_result; - bool need_image_clone; - bool generate_bulk; - - bool global_index; - bool global_fkey; - - string const& bind_vector; - string const& truncated_vector; - }; -} - -#include <odb/relational/context.ixx> - -#endif // ODB_RELATIONAL_CONTEXT_HXX |