oqlquery.hh

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/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
 
#ifndef _D_OQL_QUERY_
#define _D_OQL_QUERY_
 
#include "raslib/odmgtypes.hh"
#include <cstddef>  // for NULL
 
template <class T>
class r_Set;
template <class T>
class r_Ref;
class r_Ref_Any;
class r_Point;
class r_Sinterval;
class r_Minterval;
class r_Transaction;
class r_GMarray;
 
//@ManMemo: Module: {\bf rasodmg}
class r_OQL_Query
{
public:
    r_OQL_Query() = default;
 
    explicit r_OQL_Query(const char *s);
 
    r_OQL_Query(const r_OQL_Query &q);
 
    ~r_OQL_Query();
 
    const r_OQL_Query &operator=(const r_OQL_Query &q);
 
    //@Man: Stream input operators for every parameter type:
 
    r_OQL_Query &operator<<(const char *s);
    r_OQL_Query &operator<<(r_Char c);
    r_OQL_Query &operator<<(r_Short s);
    r_OQL_Query &operator<<(r_UShort us);
    r_OQL_Query &operator<<(r_Long l);
    r_OQL_Query &operator<<(r_ULong ul);
    r_OQL_Query &operator<<(r_Point pt);
    r_OQL_Query &operator<<(r_Sinterval in);
    r_OQL_Query &operator<<(r_Minterval in);
    r_OQL_Query &operator<<(r_GMarray &in);
 
 
    int is_update_query() const;
 
    int is_insert_query() const;
 
    int is_retrieval_query() const;
 
    //@Man: Methods for internal use:
 
    void reset_query();
    const char *get_query() const;
    const r_Set<r_GMarray *> *get_constants() const;
    const char *get_parameterized_query() const;
 
 
private:
    bool startsWith(const char *s, const char *prefix) const;
    const char *skipComments(const char *s) const;
 
    void replaceNextArgument(const char *valueString);
 
    char *queryString{NULL};
 
    char *parameterizedQueryString{NULL};
 
    r_Set<r_GMarray *> *mddConstants{NULL};
};
 
//@ManMemo: Module: {\bf rasodmg}
void r_oql_execute(r_OQL_Query &query, r_Set<r_Ref_Any> &result, r_Transaction *transaction = NULL);
 
//@ManMemo: Module: {\bf rasodmg}
void r_oql_execute(r_OQL_Query &query, r_Set<r_Ref<r_GMarray>> &result, r_Transaction *transaction = NULL);
 
//@ManMemo: Module: {\bf rasodmg}
void r_oql_execute(r_OQL_Query &query, r_Set<r_Ref_Any> &result, int dummy, r_Transaction *transaction = NULL);
 
//@ManMemo: Module: {\bf rasodmg}
void r_oql_execute(r_OQL_Query &query, r_Transaction *transaction = NULL);
 
#endif