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mirror of https://github.com/FirebirdSQL/firebird.git synced 2025-01-22 21:23:04 +01:00

Updated samples, added sample 6

This commit is contained in:
Alexander Peshkov 2016-03-18 18:29:25 +03:00
parent 43fc0e3f10
commit 1c548a533c
7 changed files with 137 additions and 6 deletions

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@ -95,7 +95,7 @@ int main()
tra = att->startTransaction(&status, 0, NULL); tra = att->startTransaction(&status, 0, NULL);
// create table // create table
att->execute(&status, tra, 0, "create table dates_table (d1 date)", 3, att->execute(&status, tra, 0, "create table dates_table (d1 date)", SAMPLES_DIALECT,
NULL, NULL, NULL, NULL); // Input parameters and output data not used NULL, NULL, NULL, NULL); // Input parameters and output data not used
// commit transaction retaining // commit transaction retaining
@ -103,7 +103,7 @@ int main()
printf("Table dates_table created\n"); printf("Table dates_table created\n");
// insert a record into dates_table // insert a record into dates_table
att->execute(&status, tra, 0, "insert into dates_table values (CURRENT_DATE)", 3, att->execute(&status, tra, 0, "insert into dates_table values (CURRENT_DATE)", SAMPLES_DIALECT,
NULL, NULL, NULL, NULL); // Input parameters and output data not used NULL, NULL, NULL, NULL); // Input parameters and output data not used
// commit transaction (will close interface) // commit transaction (will close interface)

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@ -84,7 +84,7 @@ int main()
tra = att->startTransaction(&status, 0, NULL); tra = att->startTransaction(&status, 0, NULL);
// prepare statement // prepare statement
stmt = att->prepare(&status, tra, 0, updstr, 3, 0); stmt = att->prepare(&status, tra, 0, updstr, SAMPLES_DIALECT, 0);
// build metadata // build metadata
// IMaster creates empty new metadata in builder // IMaster creates empty new metadata in builder

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@ -70,7 +70,7 @@ int main()
// prepare statement // prepare statement
stmt = att->prepare(&status, tra, 0, "select last_name, first_name, phone_ext from phone_list " stmt = att->prepare(&status, tra, 0, "select last_name, first_name, phone_ext from phone_list "
"where location = 'Monterey' order by last_name, first_name", "where location = 'Monterey' order by last_name, first_name",
3, IStatement::PREPARE_PREFETCH_METADATA); SAMPLES_DIALECT, IStatement::PREPARE_PREFETCH_METADATA);
// get list of columns // get list of columns
meta = stmt->getOutputMetadata(&status); meta = stmt->getOutputMetadata(&status);

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@ -78,7 +78,7 @@ int main()
"or RDB$VIEW_SOURCE is not null"; "or RDB$VIEW_SOURCE is not null";
// Do not use IStatement - just ask attachment to open cursor // Do not use IStatement - just ask attachment to open cursor
curs = att->openCursor(&status, tra, 0, sql, 3, NULL, NULL, NULL, NULL, 0); curs = att->openCursor(&status, tra, 0, sql, SAMPLES_DIALECT, NULL, NULL, NULL, NULL, 0);
meta = curs->getMetadata(&status); meta = curs->getMetadata(&status);
unsigned cols = meta->getCount(&status); unsigned cols = meta->getCount(&status);

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@ -222,7 +222,8 @@ int main()
tra = att->startTransaction(&status, 0, NULL); tra = att->startTransaction(&status, 0, NULL);
// open cursor // open cursor
curs = att->openCursor(&status, tra, 0, "select current_user from rdb$database", 3, NULL, NULL, meta, NULL, 0); curs = att->openCursor(&status, tra, 0, "select current_user from rdb$database",
SAMPLES_DIALECT, NULL, NULL, meta, NULL, 0);
// fetch record from cursor and print it // fetch record from cursor and print it
curs->fetchNext(&status, buffer); curs->fetchNext(&status, buffer);

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@ -0,0 +1,128 @@
/*
* PROGRAM: Object oriented API samples.
* MODULE: 06.fb_message.cpp
* DESCRIPTION: A sample of using static messages.
* Prints user-defined tables with comments.
*
* Example for the following macro:
*
* FB_MESSAGE - defines static messages
* C++ specific sample!
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Initial Developer of the Original Code is Adriano dos Santos Fernandes.
* Portions created by the Initial Developer are Copyright (C) 2011 the Initial Developer.
* All Rights Reserved.
*
* Contributor(s):
* Alexander Peshkov
*
*/
#include "ifaceExamples.h"
#include <firebird/Message.h>
static IMaster* master = fb_get_master_interface();
int main()
{
int rc = 0;
setenv("ISC_USER", "sysdba", 0);
setenv("ISC_PASSWORD", "masterkey", 0);
ThrowStatusWrapper status(master->getStatus());
IProvider* prov = master->getDispatcher();
IAttachment* att = NULL;
ITransaction* tra = NULL;
IResultSet* rs = NULL;
const char* dbName = "employee";
try
{
att = prov->attachDatabase(&status, dbName, 0, NULL);
tra = att->startTransaction(&status, 0, NULL);
// Comment some tables
att->execute(&status, tra, 0, "comment on table employee is 'Employees'",
SAMPLES_DIALECT, NULL, NULL, NULL, NULL);
att->execute(&status, tra, 0, "comment on table customer is 'Customers'",
SAMPLES_DIALECT, NULL, NULL, NULL, NULL);
att->execute(&status, tra, 0, "comment on table country is 'Countries and national currencies'",
SAMPLES_DIALECT, NULL, NULL, NULL, NULL);
tra->commitRetaining(&status);
// Print tables list
FB_MESSAGE(Input, ThrowStatusWrapper,
(FB_INTEGER, systemFlag)
) input(&status, master);
FB_MESSAGE(Output, ThrowStatusWrapper,
(FB_SMALLINT, relationId)
(FB_VARCHAR(31), relationName)
(FB_VARCHAR(100), description)
) output(&status, master);
input.clear();
input->systemFlag = 0;
rs = att->openCursor(&status, tra, 0,
"select rdb$relation_id, rdb$relation_name, rdb$description"
" from rdb$relations"
" where rdb$system_flag = ?"
" order by rdb$relation_id",
SAMPLES_DIALECT, input.getMetadata(), input.getData(), output.getMetadata(), NULL, 0);
printf(" ID Name/comment\n");
while (rs->fetchNext(&status, output.getData()) == IStatus::RESULT_OK)
{
unsigned lRelName = output->relationNameNull ? 0 : output->relationName.length;
unsigned lDesc = output->descriptionNull ? 0 : output->description.length;
printf("%4d %*.*s%c%*.*s\n", output->relationId,
lRelName, lRelName, output->relationName.str,
lDesc ? '/' : ' ',
lDesc, lDesc, output->description.str);
}
rs->close(&status);
rs = NULL;
tra->commit(&status);
tra = NULL;
att->detach(&status);
att = NULL;
}
catch (const FbException& error)
{
// handle error
rc = 1;
char buf[256];
master->getUtilInterface()->formatStatus(buf, sizeof(buf), error.getStatus());
fprintf(stderr, "%s\n", buf);
}
// release interfaces after error caught
if (rs)
rs->release();
if (tra)
tra->release();
if (att)
att->release();
// generic cleanup
prov->release();
status.dispose();
}

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@ -47,3 +47,5 @@ typedef int FbSampleAtomic;
#endif #endif
using namespace Firebird; using namespace Firebird;
#define SAMPLES_DIALECT SQL_DIALECT_V6