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< HTML > < HEAD > < TITLE > DBBrowser Help : Remstar ODBC Classes< / TITLE > < / HEAD >
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< 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 >
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< TH > < B > < H3 > < IMG SRC = "../help.png/remstar.png" WIDTH = 125 HEIGHT = 123 > < BR > Remstar ODBC Classes :< BR > Die neue wxDB::GetColumns() Funktion< BR > Beschreibung< / H3 > < BR > (deutsch)< / B > < / TH >
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< B > Stand: 2000-01-23.01-mj10777< / B > < HR >
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< TABLE BORDER = 1 > < TBODY > < TR >
< TH BGCOLOR = #CCFFFF > < B > Es gibt 2 neue wxDB Funktionen : < / B > < / TH >
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< A NAME = "GETCOLUMNS" >
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< TH BGCOLOR = #FFFFAA > < B > < A HREF = "#GETCOLUMNS" > wxColInf *wxDB::GetColumns(char *tableName, int *numCols, const char *userID)< / A > < / B > < / TH >
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< TH BGCOLOR = #FFFFE0 > < B > Diese Funktion sichert alle (< I > < FONT color = #FF0000 > int numCols) Informationen aus der Tabelle (< I > < FONT color = #FF0000 > char *tableName< / I > ).< BR > Es gibt das Ergebnis in eine < A HREF = "#WXCOLINF" > wxColInf< / A > Stuktur (Klasse)< / B > < / TH >
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< A NAME = "GETKEYFIELDS" > < P >
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< TH BGCOLOR = #FFFFAA > < B > < A HREF = "#GETKEYFIELDS" > int wxDB::GetKeyFields(char *tableName, wxColInf* colInf,int noCols)< / A > < / B > < / TH >
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< TH BGCOLOR = #FFFFE0 > < B > Versucht herauszufinden ob irgend welche (< I > < FONT color = #FF0000 > int noCols< / I > ) Spalten (< I > < FONT color = #FF0000 > wxColInf* colInf< / I > )< BR > aus der Tabelle (< I > < FONT color = #FF0000 > char *tableName< / I > ) < IMG SRC = "../help.png/key.png" WIDTH = 15 HEIGHT = 16 > Primä r- oder < IMG SRC = "../help.png/keyf.png" WIDTH = 15 HEIGHT = 16 > Fremdschlü ssel sind.< HR > Diese Funktion wird aus GetColumns() aufgerufen.< / B >
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< TABLE BORDER = 1 > < TBODY > < TR >
< TH BGCOLOR = #CCFFFF > < B > Es gibt 4 neue wxDB Klassen (Strukturen) : < / B > < / TH >
< / TR > < / TBODY > < / TABLE >
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< A NAME = "WXDBINF" > < P >
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< TH BGCOLOR = #FFFFAA > < B > < A HREF = "#WXDBINF" > wxDbInf< / A > < / B > < / TH >
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< B > Diese Klasse speichert alle ODBC-Informationen fü r einen Datenbank :< HR >
Katalogeintrag (< I > < FONT color = #FF0000 > char catalog[128+1]< / I > ),< BR >
Schema (< I > < FONT color = #FF0000 > char schema[128+1]< / I > )< BR >
der Anzahl gefundene Tabellen (< I > < FONT color = #FF0000 > int numTables< / I > )< BR >
und eine Zeiger auf der (< I > < A HREF = "#WXTABLEINF" > wxTableInf*< / A > < FONT color = #FF0000 > pTableInf< / I > ) Struktur.
< / B > < / TH >
< / TR > < / TBODY > < / TABLE >
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< A NAME = "WXTABLEINF" > < P >
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< TABLE BORDER = 1 > < TBODY > < TR >
< TH BGCOLOR = #FFFFAA > < B > < A HREF = "#WXTABLEINF" > wxTableInf< / A > < / B > < / TH >
< / TR > < / TBODY > < / TABLE >
< TABLE BORDER = 1 > < TBODY > < TR >
< TH BGCOLOR = #FFFFE0 >
< B > Diese Klasse speichert alle ODBC-Informationen fü r einen Tabelle :< HR >
Tabellename (< I > < FONT color = #FF0000 > char tableName[DB_MAX_TABLE_NAME_LEN+1]< / I > ),< BR >
Tabelletyp (< I > < FONT color = #FF0000 > char tableType[254+1]< / I > ) - "TABLE", "SYSTEM TABLE" etc. ,< BR >
Tabellen Bemerkungen (< I > < FONT color = #FF0000 > char tableRemarks[254+1]< / I > ),< BR >
der Anzahl gefundene Spalten (< I > < FONT color = #FF0000 > int numCols< / I > )< BR >
und eine Zeiger auf der (< I > < A HREF = "#WXCOLINF" > wxColInf*< / A > < FONT color = #FF0000 > pColInf< / I > ) Struktur.
< / B > < / TH >
< / TR > < / TBODY > < / TABLE >
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< A NAME = "WXCOLINF" > < P >
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< TABLE BORDER = 1 > < TBODY > < TR >
< TH BGCOLOR = #FFFFAA > < B > < A HREF = "#WXCOLINF" > wxColInf< / A > < / B > < / TH >
< / TR > < / TBODY > < / TABLE >
< TABLE BORDER = 1 > < TBODY > < TR >
< TH BGCOLOR = #FFFFE0 >
< B > Diese Klasse speichert alle ODBC-Informationen fü r einen Spalte :< HR >
Katalogeintrag (< I > < FONT color = #FF0000 > char catalog[128+1]< / I > ),< BR >
Schema (< I > < FONT color = #FF0000 > char schema[128+1]< / I > )< BR >
Tabellename (< I > < FONT color = #FF0000 > char tableName[DB_MAX_TABLE_NAME_LEN+1]< / I > ),< BR >
Spaltenname (< I > < FONT color = #FF0000 > char colName[DB_MAX_COLUMN_NAME_LEN+1]< / I > ),< BR >
Datentyp (aus SQL) (< I > < FONT color = #FF0000 > SWORD sqlDataType< / I > ),< BR >
Datatyp-Name(aus SQL) (< I > < FONT color = #FF0000 > char typeName[128+1]< / I > ),< BR >
Spaltengrö <EFBFBD> e(aus SQL) (< I > < FONT color = #FF0000 > SWORD columnSize< / I > ),< BR >
Pufferlä nge(aus SQL) (< I > < FONT color = #FF0000 > SWORD bufferLength< / I > ),< BR >
Dezimalstellen(aus SQL) (< I > < FONT color = #FF0000 > short decimalDigets< / I > ),< BR >
numPrecRadix (aus SQL) (< I > < FONT color = #FF0000 > short numPrecRadix< / I > ),< BR >
Null-Fä hig (aus SQL) (< I > < FONT color = #FF0000 > short nullable< / I > ),< BR >
Bemerkungen (< I > < FONT color = #FF0000 > char remarks[254+1]< / I > ),< BR >
Datatype (from wxDB) (< I > < FONT color = #FF0000 > int dbDataType< / I > ),< BR >
Primä rschlü ssel (< I > < FONT color = #FF0000 > int PkCol< / I > ) 0=Nein; 1= Erste Schlü ssel, 2 = Zweite Schlü ssel usw.,< BR >
Tabllennamen die diese Schlü ssel als Fremdschlü ssel verwenden (< I > < FONT color = #FF0000 > char PkTableName[DB_MAX_TABLE_NAME_LEN+1]< / I > ),< BR >
Foreign-Key (< I > < FONT color = #FF0000 > int FkCol< / I > ) 0=Nein; 1= Erste Schlü ssel, 2 = Zweite Schlü ssel usw.,< BR >
Tabellename wo diese Fremdschlü ssel als Primä rschlü ssel (< I > < FONT color = #FF0000 > char FkTableName[DB_MAX_TABLE_NAME_LEN+1]< / I > ),< BR >
und eine Zeiger auf der (< I > < A HREF = "#WXCOLFOR" > wxColFor*< / A > < FONT color = #FF0000 > pColFor< / I > ) Struktur.
< / B > < / TH >
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< A NAME = "WXCOLFOR" > < P >
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< TABLE BORDER = 1 > < TBODY > < TR >
< TH BGCOLOR = #FFFFAA > < B > < A HREF = "#WXCOLFOR" > wxColFor< / A > < / B > < / TH >
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< TH BGCOLOR = #FFFFE0 >
< B > Diese Klasse speichert wie diese Spalte als String formatiert werden soll :< HR >
Ausgabestring (< I > < FONT color = #FF0000 > wxString s_Field< / I > ),< BR >
Formatierte Objekten (TIMESTAMP needs 7) (< I > < FONT color = #FF0000 > wxString s_Format[7]< / I > ),< BR >
Formatierte Objekten (< I > < FONT color = #FF0000 > wxString s_Menge[7]< / I > ),< BR >
Formatierte Objekten (TT MM YYYY HH MM SS m) (< I > < FONT color = #FF0000 > int i_Menge[7]< / I > ),< BR >
Nation (0=timestamp,1=EU,2=UK,3=International,4=US)< I > < FONT color = #FF0000 > int i_Nation< / I > ),< BR >
Datatyp (aus wxDB) (< I > < FONT color = #FF0000 > int I_dbDataType< / I > ),< BR >
Datatyp (aus SQL) (< I > < FONT color = #FF0000 > SWORD i_sqlDataType< / I > ),< HR >
int Format(int Nation, int dbDataType,SWORD sqlDataType,short columnSize,short decimalDigits);< BR >
Die Formatierte Objekten bekommen Standardwerte und Format() wird aufgerufen.< BR >
Die Programmierer kö nnen, wenn sie was besonderes haben wollen , diese Werte Ä ndern und Format() nochmal aufrufen.
< / B > < / TH >
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< TH BGCOLOR = #FFBBBB > < B > Diese Klasse ist eindeutig unterentwickelt !< BR > Es wurde erstmal zur Verwirklichung von DBGrid erstellt.< BR > Ä nderungen sind Wahrscheinlich. (Vorschlä ge sind Willkommen)< / B > < / TH >
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< TABLE BORDER = 1 > < TBODY > < TR >
< TH BGCOLOR = #FFF777 > < B > < A HREF = "getcolsh.htm" > Damit ist wohl alles klar< / A > , oder ?< / B > < / TH >
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