#include <iostream>
#include <stdio.h>
using namespace std;
#define OTL_ODBC_UNIX // Compile OTL 4.0/ODBC
#include <otlv4.h> // include the OTL 4.0 header file
otl_connect db; // connect object
void select()
{
otl_stream s;
s.set_all_column_types(otl_all_num2str|otl_all_date2str);
// map all numeric and date/time output columns to strings for simplicity.
s.open(100, // buffer size
"$SQLTables $1:'%' $2:'' $3:''",
// get a list of databases on the current connection's server.
db // connect object
);
otl_column_desc* desc;
int desc_len;
desc=s.describe_select(desc_len);
// describe the structure of the output columns of the result set.
int rpc=0;
while(!s.eof()){
++rpc;
char str[512];
cout<<"ROW#"<<rpc<<" ";
for(int col_num=0;col_num<desc_len;++col_num){
s>>str;
if(s.is_null())
cout<<desc[col_num].name<<"=NULL ";
else
cout<<desc[col_num].name<<"="<<str<<" ";
}
cout<<endl;
}
}
int main()
{
otl_connect::otl_initialize(); // initialize ODBC environment
try{
db.rlogon("scott/tigger@sybsql"); // connect to ODBC
select(); // query the system data dictionary via ODBC functions.
}
catch(otl_exception& p){ // intercept OTL exceptions
cerr<<p.msg<<endl; // print out error message
cerr<<p.stm_text<<endl; // print out SQL that caused the error
cerr<<p.sqlstate<<endl; // print out SQLSTATE message
cerr<<p.var_info<<endl; // print out the variable that caused the error
}
db.logoff(); // disconnect from ODBC
return 0;
}Output
ROW#1 TABLE_CAT=master TABLE_SCHEM=NULL TABLE_NAME=NULL TABLE_TYPE=Database REMARKS=NULL
ROW#2 TABLE_CAT=sybsql TABLE_SCHEM=NULL TABLE_NAME=NULL TABLE_TYPE=Database REMARKS=NULL
ROW#3 TABLE_CAT=sybsystemdb TABLE_SCHEM=NULL TABLE_NAME=NULL TABLE_TYPE=Database REMARKS=NULL
ROW#4 TABLE_CAT=sybsystemprocs TABLE_SCHEM=NULL TABLE_NAME=NULL TABLE_TYPE=Database REMARKS=NULL
ROW#5 TABLE_CAT=tempdb TABLE_SCHEM=NULL TABLE_NAME=NULL TABLE_TYPE=Database REMARKS=NULL
Examples ContentsGo Home Copyright © 1996-2024, Sergei Kuchin, email: skuchin@gmail.com, skuchin@gmail.com
. Permission to use, copy, modify and redistribute this document
for any purpose is hereby granted without fee, provided that the above
copyright notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.