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44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
#include "getIdentifierQuote.h"
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#if USE_POCO_SQLODBC || USE_POCO_DATAODBC
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#if USE_POCO_SQLODBC
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#include <Poco/SQL/ODBC/ODBCException.h>
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#include <Poco/SQL/ODBC/SessionImpl.h>
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#include <Poco/SQL/ODBC/Utility.h>
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#define POCO_SQL_ODBC_CLASS Poco::SQL::ODBC
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#endif
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#if USE_POCO_DATAODBC
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#include <Poco/Data/ODBC/ODBCException.h>
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#include <Poco/Data/ODBC/SessionImpl.h>
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#include <Poco/Data/ODBC/Utility.h>
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#define POCO_SQL_ODBC_CLASS Poco::Data::ODBC
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#endif
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namespace DB
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{
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std::string getIdentifierQuote(SQLHDBC hdbc)
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{
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std::string identifier;
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SQLSMALLINT t;
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SQLRETURN r = POCO_SQL_ODBC_CLASS::SQLGetInfo(hdbc, SQL_IDENTIFIER_QUOTE_CHAR, NULL, 0, &t);
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if (POCO_SQL_ODBC_CLASS::Utility::isError(r))
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throw POCO_SQL_ODBC_CLASS::ConnectionException(hdbc);
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if (t > 0)
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{
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// I have not idea, why to add '2' here, got from: contrib/poco/Data/ODBC/src/ODBCStatementImpl.cpp:60 (SQL_DRIVER_NAME)
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identifier.resize(static_cast<std::size_t>(t) + 2);
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if (POCO_SQL_ODBC_CLASS::Utility::isError(POCO_SQL_ODBC_CLASS::SQLGetInfo(
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hdbc, SQL_IDENTIFIER_QUOTE_CHAR, &identifier[0], SQLSMALLINT((identifier.length() - 1) * sizeof(identifier[0])), &t)))
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throw POCO_SQL_ODBC_CLASS::ConnectionException(hdbc);
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identifier.resize(static_cast<std::size_t>(t));
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}
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return identifier;
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}
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}
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#endif |