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{
}
program testib;
uses Ibase40, strings;
{$h-}
Const
{ Change to YOUR database server }
ServerDb : pchar = 'testdb.gdb';
{ CHange to YOUR username and password. These may be empty }
username = '';
PWD = '';
{ Don't edit after this }
dbinfo : array [1..3] of byte
= (isc_info_page_size,isc_info_num_buffers,isc_info_end);
query : pchar = 'select * from FPDev;';
flag : array[0..2] of shortint = (0,0,0);
Type
TStatusArray = Array[0..19] of ISC_Status;
Var
DB : Tisc_db_handle;
TA : TISC_tr_handle;
statement : TISC_stmt_handle;
DPB : String;
Status : TStatusArray;
sqlda : PXSQLDA;
name,email : String;
i,id : longint;
fs : longint;
Function CheckIBstatus (Const Status : TStatusArray) : Boolean;
begin
CheckIBstatus:=Not ((Status[0]=1) and (status[1]<>0))
end;
Procedure DoError (Const status : TStatusArray);
begin
Writeln ('Failed:');
isc_print_status(@status);
halt(1);
end;
begin
db:=Nil;
dpb:=chr(isc_dpb_version1);
If UserName<>'' then
begin
dpb:=dpb+chr(isc_dpb_user_name)+chr(length(UserName))+username;
If pwd<>'' then
dpb:=dpb+chr(isc_dpb_password)+chr(length(pwd))+pwd;
end;
Write ('Connecting to ',serverdb,': ');
isc_attach_database(@Status[0],strlen(serverdb),serverdb,@db,length(dpb),@dpb[1]);
if Not CheckIBStatus(Status) then
DoError(status)
else
Writeln ('OK.');
Write ('Starting Transaction : ');
If ISC_start_transaction (@status[0],@ta,1,@db,0,Nil)<>0 then
DoError(Status)
else
Writeln ('OK.');
getmem (sqlda,XSQLDA_Length(3));
sqlda^.sqln:=3;
sqlda^.sqld:=3;
sqlda^.version:=1;
Write('Allocating statement : ');
If isc_dsql_allocate_statement(@status ,@db,@statement)<>0 then
DoError(Status)
else
Writeln ('OK.');
Write ('Preparing statement : ');
if ISC_dsql_prepare(@status,@ta,@statement,0,query,1,sqlda)<>0 then
DoError(Status)
else
Writeln ('OK.');
I:=0;
With sqlda^.sqlvar[i] do
begin
sqldata := @id;
sqltype := sql_long;
sqlind := @flag[0];
end;
inc(i);
With sqlda^.sqlvar[i] do
begin
sqldata := @name[1];
sqltype := sql_text;
sqlind := @flag[1];
end;
inc(i);
With sqlda^.sqlvar[i] do
begin
sqldata := @email[1];
sqltype := sql_text;
sqlind := @flag[2];
end;
Write ('Executing statement : ');
if isc_dsql_execute(@status,@ta,@statement,1,Nil)<>0 then
DoError(Status)
else
Writeln ('OK.');
Writeln ('Fetching rows :');
Repeat
FS:=isc_dsql_fetch(@status,@statement,1,sqlda);
If FS=0 then
begin
I:=255;
While Name[I]=' ' do Dec(i);
setlength(Name,i);
I:=255;
While Email[I]=' ' do Dec(i);
setlength(email,i);
Writeln ('(',ID,',',name,',',email,')');
end;
until FS<>0;
If FS<>100 then
DoError(status)
else
Writeln ('At end.');
Write ('Freeing statement : ');
if isc_dsql_free_statement(@status,@statement,DSQL_Close)<>0 then
DoError(Status)
else
Writeln ('OK.');
Write ('Committing transaction : ');
If ISC_Commit_transaction(@status,@ta)<>0 then
doerror(status)
else
Writeln ('OK.');
Write ('Disconnecting from database: ');
isc_detach_database(@status,@db);
If CheckIBStatus (Status) Then
Writeln ('OK.')
else
doerror(status);
end.
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