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44 | use DBI (); |
44 | use DBI (); |
45 | |
45 | |
46 | BEGIN { |
46 | BEGIN { |
47 | use base qw(Exporter DynaLoader); |
47 | use base qw(Exporter DynaLoader); |
48 | |
48 | |
49 | $VERSION = 0.143; |
49 | $VERSION = '1.02'; |
50 | @EXPORT = qw( |
50 | @EXPORT = qw( |
51 | sql_exec sql_fetch sql_fetchall sql_exists sql_insertid $sql_exec |
51 | sql_exec sql_fetch sql_fetchall sql_exists sql_insertid $sql_exec |
52 | sql_uexec sql_ufetch sql_ufetchall sql_uexists |
52 | sql_uexec sql_ufetch sql_ufetchall sql_uexists |
53 | ); |
53 | ); |
54 | @EXPORT_OK = qw( |
54 | @EXPORT_OK = qw( |
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62 | our $DBH; # the default database handle |
62 | our $DBH; # the default database handle |
63 | our $Database; # the current SQL::Database object, if applicable |
63 | our $Database; # the current SQL::Database object, if applicable |
64 | |
64 | |
65 | our %dbcache; |
65 | our %dbcache; |
66 | |
66 | |
67 | =head2 GLOBAL VARIABLES |
67 | =head2 Global Variables |
68 | |
68 | |
69 | =over 4 |
69 | =over 4 |
70 | |
70 | |
71 | =item $sql_exec |
71 | =item $sql_exec |
72 | |
72 | |
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88 | be nice as a placeholder for the database object that corresponds to |
88 | be nice as a placeholder for the database object that corresponds to |
89 | $PApp::SQL::DBH. |
89 | $PApp::SQL::DBH. |
90 | |
90 | |
91 | =back |
91 | =back |
92 | |
92 | |
93 | =head2 FUNCTIONS |
93 | =head2 Functions |
94 | |
94 | |
95 | =over 4 |
95 | =over 4 |
96 | |
96 | |
97 | =item $dbh = connect_cached $id, $dsn, $user, $pass, $flags, $connect |
97 | =item $dbh = connect_cached $id, $dsn, $user, $pass, $flags, $connect |
98 | |
98 | |
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299 | |
299 | |
300 | mysql: first C<AUTO_INCREMENT> column set to NULL |
300 | mysql: first C<AUTO_INCREMENT> column set to NULL |
301 | postgres: C<oid> column (is there a way to get the last SERIAL?) |
301 | postgres: C<oid> column (is there a way to get the last SERIAL?) |
302 | sybase: C<IDENTITY> column of the last insert (slow) |
302 | sybase: C<IDENTITY> column of the last insert (slow) |
303 | informix: C<SERIAL> or C<SERIAL8> column of the last insert |
303 | informix: C<SERIAL> or C<SERIAL8> column of the last insert |
|
|
304 | sqlite: C<last_insert_rowid()> |
304 | |
305 | |
305 | Except for sybase, this does not require a server access. |
306 | Except for sybase, this does not require a server access. |
306 | |
307 | |
307 | =cut |
308 | =cut |
308 | |
309 | |
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313 | |
314 | |
314 | $driver eq "mysql" and return $sth->{mysql_insertid}; |
315 | $driver eq "mysql" and return $sth->{mysql_insertid}; |
315 | $driver eq "Pg" and return $sth->{pg_oid_status}; |
316 | $driver eq "Pg" and return $sth->{pg_oid_status}; |
316 | $driver eq "Sybase" and return sql_fetch($dbh, 'SELECT @@IDENTITY'); |
317 | $driver eq "Sybase" and return sql_fetch($dbh, 'SELECT @@IDENTITY'); |
317 | $driver eq "Informix" and return $sth->{ix_sqlerrd}[1]; |
318 | $driver eq "Informix" and return $sth->{ix_sqlerrd}[1]; |
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|
319 | $driver eq "SQLite" and return sql_fetch($dbh, 'SELECT last_insert_rowid ()'); |
318 | |
320 | |
319 | die "sql_insertid does not spport the dbd driver '$driver', please see PApp::SQL::sql_insertid"; |
321 | die "sql_insertid does not spport the dbd driver '$driver', please see PApp::SQL::sql_insertid"; |
320 | } |
322 | } |
321 | |
323 | |
322 | =item [old-size] = cachesize [new-size] |
324 | =item [old-size] = cachesize [new-size] |
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358 | |
360 | |
359 | reinitialize; |
361 | reinitialize; |
360 | |
362 | |
361 | package PApp::SQL::Database; |
363 | package PApp::SQL::Database; |
362 | |
364 | |
363 | =head2 THE DATABASE CLASS |
365 | =head2 The Database Class |
364 | |
366 | |
365 | Again (sigh) the problem of persistency. What do you do when you have |
367 | Again (sigh) the problem of persistency. What do you do when you have |
366 | to serialize on object that contains (or should contain) a database |
368 | to serialize on object that contains (or should contain) a database |
367 | handle? Short answer: you don't. Long answer: you can embed the necessary |
369 | handle? Short answer: you don't. Long answer: you can embed the necessary |
368 | information to recreate the dbh when needed. |
370 | information to recreate the dbh when needed. |
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406 | |
408 | |
407 | sub checked_dbh($) { |
409 | sub checked_dbh($) { |
408 | my $dbh = $dbcache{$_[0][0]}; |
410 | my $dbh = $dbcache{$_[0][0]}; |
409 | $dbh && $dbh->ping |
411 | $dbh && $dbh->ping |
410 | ? $dbh |
412 | ? $dbh |
411 | : PApp::SQL::connect_cached((split /\x00/, $_[0][0]), $_[0][1], $_[0][2]); |
413 | : PApp::SQL::connect_cached((split /\x00/, $_[0][0], 4), $_[0][1], $_[0][2]); |
412 | } |
414 | } |
413 | |
415 | |
414 | =item $db->dsn |
416 | =item $db->dsn |
415 | |
417 | |
416 | Return the DSN (L<DBI>) fo the database object (e.g. for error messages). |
418 | Return the DSN (L<DBI>) fo the database object (e.g. for error messages). |
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450 | |
452 | |
451 | L<PApp>. |
453 | L<PApp>. |
452 | |
454 | |
453 | =head1 AUTHOR |
455 | =head1 AUTHOR |
454 | |
456 | |
455 | Marc Lehmann <pcg@goof.com> |
457 | Marc Lehmann <schmorp@schmorp.de> |
456 | http://www.goof.com/pcg/marc/ |
458 | http://home.schmorp.de/ |
457 | |
459 | |
458 | =cut |
460 | =cut |
459 | |
461 | |