edmiGetQueryResultColumnBN

EdmiError edmiGetQueryResultColumnBN (SdaiQueryResult  qResult,
                                       SdaiInteger      rowNumber, 
                                       /* [SdaiString columnName, 
                                       SdaiPrimitiveType valueType, 
                                        void *value] */ 
                                          ...);

Reads a single data element contained in a table-formatted query result. The data element must be identified by its row number and its column name. This function is only applicable on the results from query functions that are invoked with the option RESULT_AS_TABLE.

Arguments

Type	Name	Comment
SdaiQueryResult	qResult	The returned result of a query function. This parameter must be the result of a query that was called with the option [RESULT_AS_TABLE]. See edmiExecuteQueryBN.
SdaiInteger	rowNumber	The row number to read in the query result table. The number of rows in the table is stored in the rows element of the <qResult> data structure.
SdaiString	columnName	The name of the column for which to read a value.
SdaiPrimitiveType	valueType	The primitive type of the data element to be read.
void	value	Variable that will receive the value identified by its <rowNumber> and <columnName>.

Return Value

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Options

Example

EdmiError rstat;
 int i;
 SdaiString name;
 SdaiQueryResult queryResult;
 SdaiModel modId;
 /* Execute the query function */
 rstat = edmiExecuteQueryBN(modId, "FriendQuerySchema",
 "GetFriendsBySexAndName",  
 2, RESULT_AS_TABLE, &queryResult,  
 sdaiSTRING, "*", 
 sdaiENUMERATION, "MALE"); 
 printf("My male friends are:");
 for (i=0;i<queryResult->rows;i++) {
 if (rstat = edmiGetQueryResultColumnBN(queryResult, i, 
 "NAME", sdaiSTRING, &name )) { 
 printf("\nError %d in edmiGetQueryResultColumnBN: %s", rstat, 
 edmiGetErrorText(rstat)); 
 goto err; 
 } 
 printf("\n%s", name); 
 } 
 edmiFreeQueryResult(queryResult);
 . . .

EDMsix

edmiGetQueryResultColumnBN

Arguments

Return Value

Options

Example

See also

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