1<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> 2<HTML><HEAD><TITLE>DBBrowser Help : Remstar ODBC Classes</TITLE></HEAD> 3<BODY BGCOLOR=#C6DFC6><CENTER><IMG SRC="../help.png/logo.png" WIDTH=17 HEIGHT=18></CENTER><BR><CENTER><B>DBBrowser<BR>Mark Johnson, Berlin Germany<BR>mj10777@gmx.net</B><HR></CENTER> 4<!-----------------------------------------------------------------------------------------------------------> 5 <TABLE BORDER=1><TBODY><TR BGCOLOR=#CCFFFF> 6 <TH><B><H3><IMG SRC="../help.png/remstar.png" WIDTH=125 HEIGHT=123><BR>Remstar ODBC Classes :<BR>The new wxDB::GetColumns() Function<BR>Description</H3><BR>(English)</B></TH> 7 </TR></TBODY></TABLE><P> 8 <B>Stand: 2000-01-23.01-mj10777</B><HR> 9<!--------------------------------------------------------------> 10 <TABLE BORDER=1><TBODY><TR> 11 <TH BGCOLOR=#CCFFFF><B>There are 2 new wxDB Functions : </B></TH> 12 </TR></TBODY></TABLE> 13<!--------------------------------> 14 <A NAME="GETCOLUMNS"> 15 <TABLE BORDER=1><TBODY><TR> 16 <TH BGCOLOR=#FFFFAA><B><A HREF="#GETCOLUMNS">wxColInf *wxDB::GetColumns(char *tableName, int *numCols, const char *userID)</A></B></TH> 17 </TR></TBODY></TABLE> 18 <TABLE BORDER=1><TBODY><TR> 19 <TH BGCOLOR=#FFFFE0><B>This Function stores all (<I><FONT color=#FF0000>int numCols) information from the Table (<I><FONT color=#FF0000>char *tableName</I>).<BR>It returns the result in a <A HREF="#WXCOLINF">wxColInf</A> Stucture (Class)</B></TH> 20 </TR></TBODY></TABLE> 21<!--------------------------------> 22 <A NAME="GETKEYFIELDS"><P> 23 <TABLE BORDER=1><TBODY><TR> 24 <TH BGCOLOR=#FFFFAA><B><A HREF="#GETKEYFIELDS">int wxDB::GetKeyFields(char *tableName, wxColInf* colInf,int noCols)</A></B></TH> 25 </TR></TBODY></TABLE> 26 <TABLE BORDER=1><TBODY><TR> 27 <TH BGCOLOR=#FFFFE0><B>Tries to find out if any (<I><FONT color=#FF0000>int noCols</I>) of the columns (<I><FONT color=#FF0000>wxColInf* colInf</I>)<BR> in the Table (<I><FONT color=#FF0000>char *tableName</I>) are <IMG SRC="../help.png/key.png" WIDTH=15 HEIGHT=16> Primary or <IMG SRC="../help.png/keyf.png" WIDTH=15 HEIGHT=16> Foreign Keys.<HR>This Function is only called from GetColumns().</B></TH> 28 </TR></TBODY></TABLE><HR> 29<!-----------------------------------------------------------------------------------------------------------> 30 <TABLE BORDER=1><TBODY><TR> 31 <TH BGCOLOR=#CCFFFF><B>There are 4 new wxDB Classes (Structures) : </B></TH> 32 </TR></TBODY></TABLE> 33<!--------------------------------> 34 <A NAME="WXDBINF"><P> 35 <TABLE BORDER=1><TBODY><TR> 36 <TH BGCOLOR=#FFFFAA><B><A HREF="#WXDBINF">wxDbInf</A></B></TH> 37 </TR></TBODY></TABLE> 38 <TABLE BORDER=1><TBODY><TR> 39 <TH BGCOLOR=#FFFFE0> 40 <B>This Class stores all ODBC-Information for a Database :<HR> 41 Catalog Entry (<I><FONT color=#FF0000>char catalog[128+1]</I>),<BR> 42 Schema (<I><FONT color=#FF0000>char schema[128+1]</I>)<BR> 43 the number of Tables found(<I><FONT color=#FF0000>int numTables</I>)<BR> 44 and a Pointer (<I><A HREF="#WXTABLEINF">wxTableInf*</A><FONT color=#FF0000> pTableInf</I>) Structure is stored. 45 </B></TH> 46 </TR></TBODY></TABLE> 47<!--------------------------------> 48 <A NAME="WXTABLEINF"><P> 49 <TABLE BORDER=1><TBODY><TR> 50 <TH BGCOLOR=#FFFFAA><B><A HREF="#WXTABLEINF">wxTableInf</A></B></TH> 51 </TR></TBODY></TABLE> 52 <TABLE BORDER=1><TBODY><TR> 53 <TH BGCOLOR=#FFFFE0> 54 <B>This Class stores all ODBC-Information about a Table :<HR> 55 Table-Name (<I><FONT color=#FF0000>char tableName[DB_MAX_TABLE_NAME_LEN+1]</I>),<BR> 56 Table-Type (<I><FONT color=#FF0000>char tableType[254+1]</I>) - "TABLE", "SYSTEM TABLE" etc. ,<BR> 57 Table-Remarks (<I><FONT color=#FF0000>char tableRemarks[254+1]</I>),<BR> 58 the number of Columns found(<I><FONT color=#FF0000>int numCols</I>)<BR> 59 and a Pointer (<I><A HREF="#WXCOLINF">wxColInf*</A><FONT color=#FF0000> pColInf</I>) Structure is stored. 60 </B></TH> 61 </TR></TBODY></TABLE> 62<!--------------------------------> 63 <A NAME="WXCOLINF"><P> 64 <TABLE BORDER=1><TBODY><TR> 65 <TH BGCOLOR=#FFFFAA><B><A HREF="#WXCOLINF">wxColInf</A></B></TH> 66 </TR></TBODY></TABLE> 67 <TABLE BORDER=1><TBODY><TR> 68 <TH BGCOLOR=#FFFFE0> 69 <B>This Class stores all ODBC-Information about a Column :<HR> 70 Catalog Entry (<I><FONT color=#FF0000>char catalog[128+1]</I>),<BR> 71 Schema (<I><FONT color=#FF0000>char schema[128+1]</I>)<BR> 72 Table-Name (<I><FONT color=#FF0000>char tableName[DB_MAX_TABLE_NAME_LEN+1]</I>),<BR> 73 Column-Name (<I><FONT color=#FF0000>char colName[DB_MAX_COLUMN_NAME_LEN+1]</I>),<BR> 74 Datatype (from SQL) (<I><FONT color=#FF0000>SWORD sqlDataType</I>),<BR> 75 Data-Name(from SQL) (<I><FONT color=#FF0000>char typeName[128+1]</I>),<BR> 76 Column size(from SQL) (<I><FONT color=#FF0000>SWORD columnSize</I>),<BR> 77 Buffer length(from SQL) (<I><FONT color=#FF0000>SWORD bufferLength</I>),<BR> 78 Decimal digits(from SQL) (<I><FONT color=#FF0000>short decimalDigits</I>),<BR> 79 numPrecRadix (from SQL) (<I><FONT color=#FF0000>short numPrecRadix</I>),<BR> 80 Nullable (from SQL) (<I><FONT color=#FF0000>short nullable</I>),<BR> 81 Remarks (<I><FONT color=#FF0000>char remarks[254+1]</I>),<BR> 82 Datatype (from wxDB) (<I><FONT color=#FF0000>int dbDataType</I>),<BR> 83 Primary-Key (<I><FONT color=#FF0000>int PkCol</I>) 0=No; 1= First Key, 2 = Second Key etc.,<BR> 84 Tables that use this Key as a Foreign Key(<I><FONT color=#FF0000>char PkTableName[DB_MAX_TABLE_NAME_LEN+1]</I>),<BR> 85 Foreign-Key (<I><FONT color=#FF0000>int FkCol</I>) 0=No; 1= First Key, 2 = Second Key etc.,<BR> 86 Table-Name where this Foreign-Key is Primary Key(<I><FONT color=#FF0000>char FkTableName[DB_MAX_TABLE_NAME_LEN+1]</I>),<BR> 87 and a Pointer (<I><A HREF="#WXCOLFOR">wxColFor*</A><FONT color=#FF0000> pColFor</I>) Structure is stored. 88 </B></TH> 89 </TR></TBODY></TABLE> 90<!--------------------------------> 91 <A NAME="WXCOLFOR"><P> 92 <TABLE BORDER=1><TBODY><TR> 93 <TH BGCOLOR=#FFFFAA><B><A HREF="#WXCOLFOR">wxColFor</A></B></TH> 94 </TR></TBODY></TABLE> 95 <TABLE BORDER=1><TBODY><TR> 96 <TH BGCOLOR=#FFFFE0> 97 <B>This Class stores how this Column should be formatted in a String : <HR> 98 Output String (<I><FONT color=#FF0000>wxString s_Field</I>),<BR> 99 Formatted Objects (TIMESTAMP needs 7) (<I><FONT color=#FF0000>wxString s_Format[7]</I>),<BR> 100 Formatted Objects (<I><FONT color=#FF0000>wxString s_Menge[7]</I>),<BR> 101 Formatted Objects (TT MM YYYY HH MM SS m) (<I><FONT color=#FF0000>int i_Menge[7]</I>),<BR> 102 National (0=timestamp,1=EU,2=UK,3=International,4=US)<I><FONT color=#FF0000>int i_Nation</I>),<BR> 103 Datatype (from wxDB) (<I><FONT color=#FF0000>int I_dbDataType</I>),<BR> 104 Datatype (from SQL) (<I><FONT color=#FF0000>SWORD i_sqlDataType</I>),<HR> 105 int Format(int Nation, int dbDataType,SWORD sqlDataType,short columnSize,short decimalDigits);<BR> 106 The Formatted Objects receive Standard Values and Format() is called.<BR> 107 The Programmers can, if they want something special , change these Values and call Format() again 108 </B></TH> 109 </TR></TBODY></TABLE> 110 <TABLE BORDER=1><TBODY><TR> 111 <TH BGCOLOR=#FFBBBB><B>This class is most definitely very much underdeveloped !<BR>It was made so that the DBGrid could be realised.<BR>Changes here are probable. (Suggestions welcomed)</B></TH> 112 </TR></TBODY></TABLE><P> 113<!-----------------------------------------------------------------------------------------------------------> 114 <TABLE BORDER=1><TBODY><TR> 115 <TH BGCOLOR=#FFF777><B>Well now, <A HREF="getcolsh.htm">that makes everything clear</A> does't it?</B></TH> 116 </TR></TBODY></TABLE><HR> 117<!-----------------------------------------------------------------------------------------------------------> 118</BODY></HTML> 119
