src/odbc/odbcDesc.h

   1 // Class CSqlOdbcDescList, CSqlOdbcDesc
   2 // Description: Generic descriptor manager.
   3 //              Used as ARD, IRD, APD, IPD.
   4
   5 #ifndef _ODBC_DESCLIST_H_
   6 #define _ODBC_DESCLIST_H_
   7
   8 #define SQL_DESC_APP 0
   9 #define SQL_DESC_IMP 1
  10
  11 // Bound Column/Parameter Descriptor
  12 class CSqlOdbcDesc
  13 {
  14     public:
  15         SQLSMALLINT     col_;            // Which column/param number is bound. ?
  16
  17         // Metadata Info
  18         SQLCHAR         schemaName_[ SQL_MAX_SCHEMA_NAME_LEN ];     // Schema Name.
  19         SQLCHAR         tableName_[ SQL_MAX_TABLE_NAME_LEN ];       // Table Name.
  20         SQLCHAR         colName_[ SQL_MAX_COLUMN_NAME_LEN ];        // Column Name.
  21         SQLSMALLINT     paramType_;     // SQL_PARAM_INPUT/OUTPUT/INPUT_OUTPUT.
  22
  23         // Data at node.
  24         SQLPOINTER      dataPtr_;       // Data at column.
  25         SQLUINTEGER     length_;        // No. of bytes in data.
  26         SQLSMALLINT     precision_;
  27         SQLSMALLINT     scale_;
  28         SQLPOINTER      indPtr_;        // Indicator variable supplied in SQLBindParameter()
  29         SQLSMALLINT     nullable_;      // Indicator variable supplied in SQLBindParameter()
  30
  31         // DataType info.
  32         SQLSMALLINT     cType_;         // C datatype identifier.
  33         SQLSMALLINT     csqlType_;       // Equivalent CSQL Type.
  34         SQLSMALLINT     sqlType_;
  35
  36     // METHODS
  37         CSqlOdbcDesc( void );
  38 };
  39
  40 class CSqlOdbcDescList
  41 {
  42     public:
  43         int type_;
  44     public:
  45         List descList_;
  46         CSqlOdbcDescList ( int descType);
  47         SQLRETURN delDesc( CSqlOdbcDesc *node );
  48         void freeAllDesc( void );
  49         SQLRETURN getDescWithColNum( int colNum, CSqlOdbcDesc **out );
  50 };
  51
  52 #endif // _ODBC_DESCLIST_H_