@MySQLFetchColumnLocalTD
Syntax
@MySQLFetchColumnLocalTD(MySQLResultHandle;FNColumnNumber);
Description
Retrieves a column from the stored result of an @MySQLQuery request.
The column number is specified in FN FNColumnNumber.
Time values are converted to the local time zone.
(This is a workaround function for time zone issues in Notes/Domino.)
Return:
On success, the retrieved column values as a list; otherwise, @Error.
Example: @MySQLFetchColumnLocalTD(MySQLResultHandle;FNColumnNumber);
/* Example: Simple MySQL query from the Engine.
The script establishes a connection to a MySQL database,
reads records from the table testdb.amount,
stores the result values in variables, and writes them to the log. */
/* Initialize the MySQL handle. */
MySQLh:=@MySQLInit;
/* Initialize the error status: 1 means error or no successful connection yet. */
MySQLError:=1;
/* Check whether the MySQL handle was initialized successfully. */
IF(@IsError(MySQLh)){
@LogReport(MySQLh;3);
}ELSE{
/* Set or initialize MySQL options. */
@MySQLOptions(MySQLh);
/* Define the connection data for the MySQL server. */
MySQLUser:="MySQLConnector";
MySQLPassword:="ConnectorPassword";
MySQLDefaultDatabase:="testdb";
MySQLHost:="172.16.1.215";
/* Establish the connection to the MySQL database. */
Ret:=@MySQLConnect(MySQLh;MySQLHost;MySQLUser;MySQLPassword;MySQLDefaultDatabase);
/* If the connection fails, log the error. */
IF(@IsError(Ret)){
@LogReport(Ret);
}ELSE{
/* The connection was successful; reset the error status. */
MySQLError:=0;}
/* Execute the query only if the connection was established successfully. */
IF(!MySQLError){
/* Read records from the MySQL table. */
QueryStr:="SELECT ID,Name,ModTime FROM testdb.amount;";
/* Execute the query and return the result handle in MySQLResH. */
Ret:=@MySQLQuery(MySQLh;QueryStr;MySQLResH);
IF(@IsError(Ret)){
@LogReport(Ret;3);}
/* Determine the number of rows returned by the query. */
NumRows:=@MySQLGetNumRows(MySQLResH);
@LogReport("NumRows:"+@Text(NumRows);3);
/* A result exists. */
IF(NumRows>=1){
/* Read the result columns and store the column values in variables. */
ThisQueryIDs:=@MySQLFetchColumn(MySQLResH;1);
ThisQueryNames:=@MySQLFetchColumn(MySQLResH;2);
ThisQueryModTimes:=@MySQLFetchColumnLocalTD(MySQLResH;3);
}ELSE{
/* If no result was found, set default values. */
ThisQueryIDs:=-1;
ThisQueryNames:="";
ThisQueryModTimes:=@AnyAllDay;
}
/* Free the result handle. */
MySQLResH:=@MySQLFreeResult(MySQLResH);
/* Output the retrieved or assigned result values. */
@LogReport("ThisQueryIDs :"+@Implode(@Text(ThisQueryIDs);", ");3);
@LogReport("ThisQueryNames :"+@Implode(ThisQueryNames;", ");3);
@LogReport("ThisQueryModTimes :"+@Implode(@Text(ThisQueryModTimes);", ");3);
}
/* Close the MySQL connection. */
MySQLh:=@MySQLClose(MySQLh);
}
/* End or clean up the MySQL thread context. */
@MySQLThreadEnd;
Note : This text was machine-translated and may contain inaccuracies.
