projects / wxWidgets.git / blame
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|---|---|---|
| b5ffecfc GT |
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"></CENTER><BR><CENTER><B>DBBrowser<BR>Mark Johnson, Berlin Germany<BR>mj10777@gmx.net</B><HR></CENTER> | |
| 4 | <!-----------------------------------------------------------------------------------------------------------> | |
| 5 | <TABLE border=1><B><TBODY><TR bgcolor=#CCFFFF> | |
| 6 | <TH><B><H3><IMG SRC="../help.png/remstar.png"><BR>Remstar ODBC Classes :<BR>The new wxDB::GetColumns() Function<BR>Description</H3><BR>(English)</B></FONT></TH> | |
| 7 | </TABLE></TBODY></TR><P> | |
| 8 | <B>Stand: 2000-01-23.01-mj10777</B><HR> | |
| 9 | <!--------------------------------------------------------------> | |
| 10 | <TABLE border=1><B><TBODY> | |
| 11 | <TR><TH bgcolor=#CCFFFF><B>There are 2 new wxDB Functions : </B></TH></TR> | |
| 12 | </TBODY></TABLE> | |
| 13 | <!--------------------------------> | |
| 14 | <A NAME="GETCOLUMNS"> | |
| 15 | <TABLE border=1><B><TBODY><TR> | |
| 16 | <TR><TH bgcolor=#FFFFAA><B><A HREF="#GETCOLUMNS">wxColInf *wxDB::GetColumns(char *tableName, int *numCols, const char *userID)</A></B></FONT></TH></TR> | |
| 17 | </TBODY></TABLE> | |
| 18 | <TABLE border=1><B><TBODY><TR> | |
| 19 | <TR><TH bgcolor=#FFFFE0><B>This Function stores all (<I><FONT color=#FF0000>int numCols</FONT>) information from the Table (<I><FONT color=#FF0000>char *tableName</FONT></I>).<BR>It returns the result in a <A HREF="#WXCOLINF">wxColInf</A> Stucture (Class)</B></FONT></TH></TR> | |
| 20 | </TBODY></TABLE> | |
| 21 | <!--------------------------------> | |
| 22 | <A NAME="GETKEYFIELDS"><P> | |
| 23 | <TABLE border=1><B><TBODY><TR> | |
| 24 | <TR><TH bgcolor=#FFFFAA><B><A HREF="#GETKEYFIELDS">int wxDB::GetKeyFields(char *tableName, wxColInf* colInf,int noCols)</A></B></FONT></TH></TR> | |
| 25 | </TBODY></TABLE> | |
| 26 | <TABLE border=1><B><TBODY><TR> | |
| 27 | <TR><TH bgcolor=#FFFFE0><B>Tries to find out if any (<I><FONT color=#FF0000>int noCols</FONT></I>) of the columns (<I><FONT color=#FF0000>wxColInf* colInf</FONT></I>)<BR> in the Table (<I><FONT color=#FF0000>char *tableName</FONT></I>) are <IMG SRC="../help.png/key.png"> Primary or <IMG SRC="../help.png/keyf.png"> Foreign Keys.<HR>This Function is only called from GetColumns().</B></FONT></TH></TR> | |
| 28 | </TBODY></TABLE><HR> | |
| 29 | <!-----------------------------------------------------------------------------------------------------------> | |
| 30 | <TABLE border=1><B><TBODY> | |
| 31 | <TR><TH bgcolor=#CCFFFF><B>There are 4 new wxDB Classes (Structures) : </B></TH></TR> | |
| 32 | </TBODY></TABLE> | |
| 33 | <!--------------------------------> | |
| 34 | <A NAME="WXDBINF"><P> | |
| 35 | <TABLE border=1><B><TBODY><TR> | |
| 36 | <TR><TH bgcolor=#FFFFAA><B><A HREF="#WXDBINF">wxDbInf</A></B></FONT></TH></TR> | |
| 37 | </TBODY></TABLE> | |
| 38 | <TABLE border=1><B><TBODY><TR> | |
| 39 | <TR><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></FONT>),<BR> | |
| 42 | Schema (<I><FONT color=#FF0000>char schema[128+1]</I></FONT>)<BR> | |
| 43 | the number of Tables found(<I><FONT color=#FF0000>int numTables</I></FONT>)<BR> | |
| 44 | and a Pointer (<I><A HREF="#WXTABLEINF">wxTableInf*</A><FONT color=#FF0000> pTableInf</FONT></I>) Structure is stored. | |
| 45 | </B></FONT></TH></TR> | |
| 46 | </TBODY></TABLE> | |
| 47 | <!--------------------------------> | |
| 48 | <A NAME="WXTABLEINF"><P> | |
| 49 | <TABLE border=1><B><TBODY><TR> | |
| 50 | <TR><TH bgcolor=#FFFFAA><B><A HREF="#WXTABLEINF">wxTableInf</A></B></FONT></TH></TR> | |
| 51 | </TBODY></TABLE> | |
| 52 | <TABLE border=1><B><TBODY><TR> | |
| 53 | <TR><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></FONT>),<BR> | |
| 56 | Table-Type (<I><FONT color=#FF0000>char tableType[254+1]</I></FONT>) - "TABLE", "SYSTEM TABLE" etc. ,<BR> | |
| 57 | Table-Remarks (<I><FONT color=#FF0000>char tableRemarks[254+1]</I></FONT>),<BR> | |
| 58 | the number of Columns found(<I><FONT color=#FF0000>int numCols</I></FONT>)<BR> | |
| 59 | and a Pointer (<I><A HREF="#WXCOLINF">wxColInf*</A><FONT color=#FF0000> pColInf</FONT></I>) Structure is stored. | |
| 60 | </B></FONT></TH></TR> | |
| 61 | </TBODY></TABLE> | |
| 62 | <!--------------------------------> | |
| 63 | <A NAME="WXCOLINF"><P> | |
| 64 | <TABLE border=1><B><TBODY><TR> | |
| 65 | <TR><TH bgcolor=#FFFFAA><B><A HREF="#WXCOLINF">wxColInf</A></B></FONT></TH></TR> | |
| 66 | </TBODY></TABLE> | |
| 67 | <TABLE border=1><B><TBODY><TR> | |
| 68 | <TR><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></FONT>),<BR> | |
| 71 | Schema (<I><FONT color=#FF0000>char schema[128+1]</I></FONT>)<BR> | |
| 72 | Table-Name (<I><FONT color=#FF0000>char tableName[DB_MAX_TABLE_NAME_LEN+1]</I></FONT>),<BR> | |
| 73 | Column-Name (<I><FONT color=#FF0000>char colName[DB_MAX_COLUMN_NAME_LEN+1]</I></FONT>),<BR> | |
| 74 | Datatype (from SQL) (<I><FONT color=#FF0000>SWORD sqlDataType</I></FONT>),<BR> | |
| 75 | Data-Name(from SQL) (<I><FONT color=#FF0000>char typeName[128+1]</I></FONT>),<BR> | |
| 76 | Column size(from SQL) (<I><FONT color=#FF0000>SWORD columnSize</I></FONT>),<BR> | |
| 77 | Buffer length(from SQL) (<I><FONT color=#FF0000>SWORD bufferLength</I></FONT>),<BR> | |
| 78 | Decimal digits(from SQL) (<I><FONT color=#FF0000>short decimalDigits</I></FONT>),<BR> | |
| 79 | numPrecRadix (from SQL) (<I><FONT color=#FF0000>short numPrecRadix</I></FONT>),<BR> | |
| 80 | Nullable (from SQL) (<I><FONT color=#FF0000>short nullable</I></FONT>),<BR> | |
| 81 | Remarks (<I><FONT color=#FF0000>char remarks[254+1]</I></FONT>),<BR> | |
| 82 | Datatype (from wxDB) (<I><FONT color=#FF0000>int dbDataType</I></FONT>),<BR> | |
| 83 | Primary-Key (<I><FONT color=#FF0000>int PkCol</I></FONT>) 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></FONT>),<BR> | |
| 85 | Foreign-Key (<I><FONT color=#FF0000>int FkCol</I></FONT>) 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></FONT>),<BR> | |
| 87 | and a Pointer (<I><A HREF="#WXCOLFOR">wxColFor*</A><FONT color=#FF0000> pColFor</FONT></I>) Structure is stored. | |
| 88 | </B></FONT></TH></TR> | |
| 89 | </TBODY></TABLE> | |
| 90 | <!--------------------------------> | |
| 91 | <A NAME="WXCOLFOR"><P> | |
| 92 | <TABLE border=1><B><TBODY><TR> | |
| 93 | <TR><TH bgcolor=#FFFFAA><B><A HREF="#WXCOLFOR">wxColFor</A></B></FONT></TH></TR> | |
| 94 | </TBODY></TABLE> | |
| 95 | <TABLE border=1><B><TBODY><TR> | |
| 96 | <TR><TH bgcolor=#FFFFE0> | |
| 97 | <B>This Class stores how this Column should be formated in a String : <HR> | |
| 98 | Output String (<I><FONT color=#FF0000>wxString s_Field</I></FONT>),<BR> | |
| 99 | Formatted Objects (TIMESTAMP needs 7) (<I><FONT color=#FF0000>wxString s_Format[7]</I></FONT>),<BR> | |
| 100 | Formatted Objects (<I><FONT color=#FF0000>wxString s_Menge[7]</I></FONT>),<BR> | |
| 101 | Formatted Objects (TT MM YYYY HH MM SS m) (<I><FONT color=#FF0000>int i_Menge[7]</I></FONT>),<BR> | |
| 102 | National (0=timestamp,1=EU,2=UK,3=International,4=US)<I><FONT color=#FF0000>int i_Nation</I></FONT>),<BR> | |
| 103 | Datatype (from wxDB) (<I><FONT color=#FF0000>int I_dbDataType</I></FONT>),<BR> | |
| 104 | Datatype (from SQL) (<I><FONT color=#FF0000>SWORD i_sqlDataType</I></FONT>),<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></FONT></TH></TR> | |
| 109 | </TBODY></TABLE> | |
| 110 | <TABLE border=1><B><TBODY> | |
| 111 | <TR><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)</A></B></TH></TR> | |
| 112 | </TBODY></TABLE><P> | |
| 113 | <!-----------------------------------------------------------------------------------------------------------> | |
| 114 | <TABLE border=1><B><TBODY><TR> | |
| 115 | <TR><TH bgcolor=#FFF777><B>Well now, <A HREF="getcolsh.htm">that makes everything clear</A> does't it?</B></FONT></TH></TR> | |
| 116 | </TBODY></TABLE><HR> | |
| 117 | <!-----------------------------------------------------------------------------------------------------------> | |
| 118 | </BODY></HTML> |