76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
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#ifndef __ODBCRSET_H
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#define __ODBCRSET_H
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#ifndef __RECSET_H
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#include <recset.h>
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#endif
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enum TODBC_driver {
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ODBC_generic,
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ODBC_mssql,
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ODBC_access,
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ODBC_mysql};
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class TODBC_recordset : public TRecordset
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{
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TString _dsn, _usr, _pwd, _dir;
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TString _sql;
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TRecnotype _first_row, _pagesize, _items, _current_row, _cursor_pos;
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TArray _page;
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TArray _column;
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bool _columns_loaded;
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bool _freezed;
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bool _loaded;
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protected:
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XVT_ODBC connection() const;
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void reset();
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const TArray* row(TRecnotype n);
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virtual void parsed_text(TString& sql) const;
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TODBC_driver _driver;
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public:
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virtual TRecnotype items() const;
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virtual unsigned int columns() const;
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virtual const TRecordset_column_info& column_info(unsigned int c) const;
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virtual bool move_to(TRecnotype pos);
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virtual TRecnotype current_row() const;
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virtual void requery();
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virtual const TString& query_text() const;
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virtual const TString& driver_version() const;
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virtual void freeze(const bool on) { _freezed = on; }
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virtual const TVariant& get(unsigned int c) const;
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virtual const TVariant& get(const char* name) const;
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// Callbacks
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int on_get_items(int argc, char** values, char** columns);
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int on_get_columns(int argc, char** values, char** columns);
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int on_get_rows(int argc, char** values, char** columns);
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void set(const char* sql);
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long exec(const char* sql);
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long begin();
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long commit();
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bool connect(const char* dsn, const char* usr = "", const char* pwd = "", const char* dir = "");
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bool set_log_file(const char* fn);
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const TODBC_driver driver() { return _driver; }
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int compare_key(const TISAM_recordset& dbfset);
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int compare_rec(const TISAM_recordset& dbfset);
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int create_rec(const TISAM_recordset& dbfset);
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void update_rec(const TISAM_recordset& dbfset);
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void remove_rec(const TISAM_recordset& dbfset);
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const TString& dsn() const { return _dsn; }
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TODBC_recordset(const char* sql, const bool freezed = false);
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virtual ~TODBC_recordset();
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};
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#endif
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