pq_statement.hxx

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 *    Contributor(s): Joerg Budischewski
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 *    This Source Code Form is subject to the terms of the Mozilla Public
 *    License, v. 2.0. If a copy of the MPL was not distributed with this
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#pragma once
 
#include <sal/config.h>
 
#include <string_view>
 
#include <cppuhelper/propshlp.hxx>
#include <cppuhelper/compbase.hxx>
#include <cppuhelper/component.hxx>
 
#include <libpq-fe.h>
 
#include "pq_connection.hxx"
#include <com/sun/star/sdbc/XMultipleResults.hpp>
#include <com/sun/star/sdbc/XGeneratedResultSet.hpp>
#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.hpp>
 
namespace pq_sdbc_driver
{
 
const sal_Int32 STATEMENT_CURSOR_NAME = 0;
const sal_Int32 STATEMENT_ESCAPE_PROCESSING = 1;
const sal_Int32 STATEMENT_FETCH_DIRECTION = 2;
const sal_Int32 STATEMENT_FETCH_SIZE = 3;
const sal_Int32 STATEMENT_MAX_FIELD_SIZE = 4;
const sal_Int32 STATEMENT_MAX_ROWS = 5;
const sal_Int32 STATEMENT_QUERY_TIME_OUT = 6;
const sal_Int32 STATEMENT_RESULT_SET_CONCURRENCY = 7;
const sal_Int32 STATEMENT_RESULT_SET_TYPE = 8;
 
#define STATEMENT_SIZE 9
 
typedef ::cppu::WeakComponentImplHelper<   css::sdbc::XStatement,
                                           css::sdbc::XCloseable,
                                           css::sdbc::XWarningsSupplier,
                                           css::sdbc::XMultipleResults,
                                           css::sdbc::XGeneratedResultSet,
                                           css::sdbc::XResultSetMetaDataSupplier
                                           > Statement_BASE;
 
class Statement : public Statement_BASE,
                  public cppu::OPropertySetHelper
{
private:
    css::uno::Any m_props[STATEMENT_SIZE];
    css::uno::Reference< css::sdbc::XConnection > m_connection;
    ConnectionSettings *m_pSettings;
    css::uno::Reference< css::sdbc::XCloseable > m_lastResultset;
    ::rtl::Reference< comphelper::RefCountedMutex > m_xMutex;
    bool  m_multipleResultAvailable;
    sal_Int32 m_multipleResultUpdateCount;
    sal_Int32 m_lastOidInserted;
    OUString m_lastTableInserted;
    OString m_lastQuery;
 
public:
    Statement( const rtl::Reference< comphelper::RefCountedMutex > & refMutex,
               const css::uno::Reference< css::sdbc::XConnection> & con,
               struct ConnectionSettings *pSettings );
 
    virtual ~Statement() override;
public: // XInterface
    virtual void SAL_CALL acquire() noexcept override { Statement_BASE::acquire(); }
    virtual void SAL_CALL release() noexcept override { Statement_BASE::release(); }
    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & reqType ) override;
 
public: // XCloseable
    virtual void SAL_CALL close(  ) override;
 
public: // XStatement
    virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL executeQuery(
        const OUString& sql ) override;
    virtual sal_Int32 SAL_CALL executeUpdate( const OUString& sql ) override;
    virtual sal_Bool SAL_CALL execute( const OUString& sql ) override;
    virtual css::uno::Reference< css::sdbc::XConnection > SAL_CALL getConnection(  ) override;
 
public: // XWarningsSupplier
    virtual css::uno::Any SAL_CALL getWarnings(  ) override;
    virtual void SAL_CALL clearWarnings(  ) override;
 
public: // XTypeProvider, first implemented by OPropertySetHelper
    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
    virtual css::uno::Sequence< sal_Int8> SAL_CALL getImplementationId() override;
 
public: // OPropertySetHelper
    virtual cppu::IPropertyArrayHelper & SAL_CALL getInfoHelper() override;
 
    virtual sal_Bool SAL_CALL convertFastPropertyValue(
        css::uno::Any & rConvertedValue,
        css::uno::Any & rOldValue,
        sal_Int32 nHandle,
        const css::uno::Any& rValue ) override;
 
    virtual void SAL_CALL setFastPropertyValue_NoBroadcast(
        sal_Int32 nHandle,
        const css::uno::Any& rValue ) override;
 
    using ::cppu::OPropertySetHelper::getFastPropertyValue;
 
    void SAL_CALL getFastPropertyValue(
        css::uno::Any& rValue,
        sal_Int32 nHandle ) const override;
 
    // XPropertySet
    css::uno::Reference < css::beans::XPropertySetInfo >  SAL_CALL getPropertySetInfo() override;
 
public: // XGeneratedResultSet
    virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL
    getGeneratedValues(  ) override;
 
public: // XMultipleResults
    virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL getResultSet(  ) override;
    virtual sal_Int32 SAL_CALL getUpdateCount(  ) override;
    virtual sal_Bool SAL_CALL getMoreResults(  ) override;
 
public: // OComponentHelper
    virtual void SAL_CALL disposing() override;
 
public: // XResultSetMetaDataSupplier (is required by framework (see
        // dbaccess/source/core/api/preparedstatement.cxx::getMetaData() )
    virtual css::uno::Reference< css::sdbc::XResultSetMetaData > SAL_CALL getMetaData(  ) override;
 
private:
    void checkClosed();
    void raiseSQLException( std::u16string_view sql, const char * errorMsg );
};
 
 
struct CommandData
{
    ConnectionSettings **ppSettings;
    sal_Int32 *pLastOidInserted;
    sal_Int32 *pMultipleResultUpdateCount;
    bool *pMultipleResultAvailable;
    OUString *pLastTableInserted;
    css::uno::Reference< css::sdbc::XCloseable > *pLastResultset;
    OString *pLastQuery;
    ::rtl::Reference< comphelper::RefCountedMutex > refMutex;
    css::uno::Reference< css::uno::XInterface > owner;
    css::uno::Reference< css::sdbcx::XTablesSupplier > tableSupplier;
    sal_Int32 concurrency;
};
 
bool executePostgresCommand( const OString & cmd, struct CommandData *data );
css::uno::Reference< css::sdbc::XResultSet > getGeneratedValuesFromLastInsert(
    ConnectionSettings *pConnectionSettings,
    const css::uno::Reference< css::sdbc::XConnection > &connection,
    sal_Int32 nLastOid,
    std::u16string_view lastTableInserted,
    const OString & lastQuery );
 
 
}
 
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