GRASS Programmer's Manual
6.4.2(2012)
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00001 00015 #include <grass/dbmi.h> 00016 #include "macros.h" 00017 00028 int db_add_column(dbDriver * driver, dbString * tableName, dbColumn * column) 00029 { 00030 int ret_code; 00031 00032 /* start the procedure call */ 00033 db__set_protocol_fds(driver->send, driver->recv); 00034 DB_START_PROCEDURE_CALL(DB_PROC_ADD_COLUMN); 00035 00036 /* send the argument(s) to the procedure */ 00037 DB_SEND_STRING(tableName); 00038 DB_SEND_COLUMN_DEFINITION(column); 00039 00040 /* get the return code for the procedure call */ 00041 DB_RECV_RETURN_CODE(&ret_code); 00042 00043 if (ret_code != DB_OK) 00044 return ret_code; /* ret_code SHOULD == DB_FAILED */ 00045 00046 /* no results */ 00047 return DB_OK; 00048 }