src/odbc/odbcDesc.cxx

   1 /*  Class CSqlOdbcDescList
   2     Description: Generic Descriptor manager.
   3
   4     Functions:
   5         CSqlOdbcDescList::delDesc();
   6         CSqlOdbcDescList::freeAllDesc();
   7         CSqlOdbcDescList::getDescWithColNum();
   8
   9         CSqlOdbcDesc::CSqlOdbcDesc();
  10 */
  11
  12 #include "odbcCommon.h"
  13
  14 // Class CSqlOdbcDescList Member functions
  15 //----------------------------------
  16 // Delete descriptor from list
  17 SQLRETURN CSqlOdbcDescList::delDesc( CSqlOdbcDesc *node )
  18 {
  19     CSqlOdbcDescList::iterator iter;
  20     iter = this->begin();
  21     while( iter != this->end() )
  22     {
  23         if( *iter == node )
  24         {
  25             delete node;
  26             this->erase( iter );
  27             return( SQL_SUCCESS );
  28         }
  29         iter++;
  30     }
  31
  32     return(SQL_ERROR);
  33 }
  34
  35 void CSqlOdbcDescList::freeAllDesc( void )
  36 {
  37     int size=(int)this->size();
  38     if(size  > 0)
  39     {
  40             CSqlOdbcDescList::iterator iter;
  41             iter = this->begin();
  42             while( iter != this->end() )
  43             {
  44                     if(type_ == SQL_DESC_IMP)
  45                     {
  46                             if((*iter)->dataPtr_!= NULL)
  47                             {
  48                                     if((*iter)->cType_ == SQL_C_CHAR || (*iter)->cType_ == SQL_C_BINARY)
  49                                             delete []  (*iter)->dataPtr_;
  50                                     else
  51                                             delete (*iter)->dataPtr_;
  52                                     (*iter)->dataPtr_=NULL;
  53                             }
  54                     }
  55                     delete *iter;
  56                     *iter=NULL;
  57                     iter++;
  58             }
  59             this->clear();
  60     }
  61 }
  62
  63 SQLRETURN CSqlOdbcDescList::getDescWithColNum( int colNum, CSqlOdbcDesc **out )
  64 {
  65     CSqlOdbcDescList::iterator iter;
  66     iter = this->begin();
  67     while( iter != this->end() )
  68     {
  69         if( colNum == (*iter)->col_ )
  70         {
  71             *out = *iter;
  72             return( SQL_SUCCESS );
  73         }
  74         iter++;
  75     }
  76
  77     return( SQL_ERROR );
  78 }
  79
  80 CSqlOdbcDescList::CSqlOdbcDescList( int descType )
  81 {
  82     type_=descType;
  83 }
  84
  85 // Class CSqlOdbcDesc Functions
  86 //----------------------------------
  87 CSqlOdbcDesc::CSqlOdbcDesc( void ) :
  88     col_( 0 ),
  89     dataPtr_( 0 ),
  90     length_( 0 ),
  91     precision_( 0 ),
  92     scale_( 0 ),
  93     indPtr_( 0 ),
  94     cType_( -1 ),
  95     sqlType_( -1 ),
  96     csqlType_( -1 ),
  97     paramType_( SQL_PARAM_TYPE_UNKNOWN )
  98 {
  99     schemaName_[0] = '\0';
 100     tableName_[0] = '\0';
 101     colName_[0] = '\0';
 102 }
 103