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     ListIterator iter = descList_.getIterator();
  20     CSqlOdbcDesc *descElem = NULL;
  21     while (iter.hasElement()) {
  22         descElem = (CSqlOdbcDesc *) iter.nextElement();
  23         if (descElem == node) {
  24             iter.reset();
  25             delete node;
  26             descList_.remove(descElem);
  27             return( SQL_SUCCESS );
  28         }
  29     }
  30     return(SQL_ERROR);
  31 }
  32
  33 void CSqlOdbcDescList::freeAllDesc( void )
  34 {
  35     ListIterator iter = descList_.getIterator();
  36     CSqlOdbcDesc *descElem = NULL;
  37     while (iter.hasElement()) {
  38         descElem = (CSqlOdbcDesc *) iter.nextElement();
  39         if (type_ == SQL_DESC_IMP) {
  40             if (descElem->dataPtr_ != NULL) {
  41                 if(descElem->csqlType_ == typeString ||
  42                                             descElem->csqlType_ == typeBinary)
  43                     delete [] (char*)descElem->dataPtr_;
  44                 else
  45                     delete descElem->dataPtr_;
  46                 descElem->dataPtr_=NULL;
  47             }
  48         }
  49         delete descElem;
  50         descElem = NULL;
  51     }
  52     descList_.reset();
  53 }
  54
  55 SQLRETURN CSqlOdbcDescList::getDescWithColNum( int colNum, CSqlOdbcDesc **out )
  56 {
  57     ListIterator iter = descList_.getIterator();
  58     CSqlOdbcDesc *descElem = NULL;
  59     while (iter.hasElement()) {
  60         descElem = (CSqlOdbcDesc *) iter.nextElement();
  61         if (colNum == descElem->col_) {
  62             *out = descElem;
  63             return (SQL_SUCCESS);
  64         }
  65     }
  66     return (SQL_ERROR);
  67 }
  68
  69 CSqlOdbcDescList::CSqlOdbcDescList( int descType )
  70 {
  71     type_=descType;
  72 }
  73
  74 // Class CSqlOdbcDesc Functions
  75 //----------------------------------
  76 CSqlOdbcDesc::CSqlOdbcDesc( void ) :
  77     col_( 0 ),
  78     dataPtr_( 0 ),
  79     length_( 0 ),
  80     precision_( 0 ),
  81     scale_( 0 ),
  82     indPtr_( 0 ),
  83     cType_( -1 ),
  84     sqlType_( -1 ),
  85     csqlType_( -1 ),
  86     paramType_( SQL_PARAM_TYPE_UNKNOWN )
  87 {
  88     schemaName_[0] = '\0';
  89     tableName_[0] = '\0';
  90     colName_[0] = '\0';
  91 }
  92