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Comparing PApp-SQL/SQL.pm (file contents):
Revision 1.29 by root, Thu Nov 7 01:58:03 2002 UTC vs.
Revision 1.33 by root, Thu Sep 1 08:57:52 2005 UTC

… …
44use DBI (); 44use DBI ();
45 45
46BEGIN { 46BEGIN {
47 use base qw(Exporter DynaLoader); 47 use base qw(Exporter DynaLoader);
48 48
49 $VERSION = 0.142; 49 $VERSION = '1.0';
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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62our $DBH; # the default database handle 62our $DBH; # the default database handle
63our $Database; # the current SQL::Database object, if applicable 63our $Database; # the current SQL::Database object, if applicable
64 64
65our %dbcache; 65our %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 $sql_exec
72 72
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88be nice as a placeholder for the database object that corresponds to 88be nice as a placeholder for the database object that corresponds to
89$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, $connect
98 98
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186package-global (and exported) variable C<$sql_exec>. 186package-global (and exported) variable C<$sql_exec>.
187 187
188If any error occurs C<sql_exec> will throw an exception. 188If any error occurs C<sql_exec> will throw an exception.
189 189
190C<sql_uexec> is similar to C<sql_exec> but upgrades all input arguments to 190C<sql_uexec> is similar to C<sql_exec> but upgrades all input arguments to
191utf8 before calling the C<execute> method. 191UTF-8 before calling the C<execute> method.
192 192
193Examples: 193Examples:
194 194
195 # easy one 195 # easy one
196 my $st = sql_exec "select name, id from table where id = ?", $id; 196 my $st = sql_exec "select name, id from table where id = ?", $id;
… …
230 my($name, $amount) = sql_fetch "select ...", args... 230 my($name, $amount) = sql_fetch "select ...", args...
231 231
232... and it's still quite fast unless you fetch large amounts of data. 232... and it's still quite fast unless you fetch large amounts of data.
233 233
234C<sql_ufetch> is similar to C<sql_fetch> but upgrades all input values to 234C<sql_ufetch> is similar to C<sql_fetch> but upgrades all input values to
235utf8 and forces all result values to utf8 (this does I<not> include result 235UTF-8 and forces all result values to UTF-8 (this does I<not> include result
236parameters, only return values. Using bind variables in cinjunction with 236parameters, only return values. Using bind variables in conjunction with
237sql_u* functions results in undefined behaviour). 237sql_u* functions might result in undefined behaviour - we use UTF-8 on
238bind-variables at execution time and it seems to work on DBD::mysql as it
239ignores the UTF-8 bit completely. Which just means that that DBD-driver is
240broken).
238 241
239=item sql_fetchall <see sql_exec> 242=item sql_fetchall <see sql_exec>
240 243
241=item sql_ufetchall <see sql_uexec> 244=item sql_ufetchall <see sql_uexec>
242 245
… …
259 for (sql_fetchall "select name, age, place from user") { 262 for (sql_fetchall "select name, age, place from user") {
260 my ($name, $age, $place) = @$_; 263 my ($name, $age, $place) = @$_;
261 } 264 }
262 265
263C<sql_ufetchall> is similar to C<sql_fetchall> but upgrades all input 266C<sql_ufetchall> is similar to C<sql_fetchall> but upgrades all input
264values to utf8 and forces all result values to utf8 (see the caveats in 267values to UTF-8 and forces all result values to UTF-8 (see the caveats in
265the description of C<sql_ufetch>, though). 268the description of C<sql_ufetch>, though).
266 269
267=item sql_exists "<table_references> where <where_condition>...", args... 270=item sql_exists "<table_references> where <where_condition>...", args...
268 271
269=item sql_uexists <see sql_exists> 272=item sql_uexists <see sql_exists>
… …
273"select * from" were prepended to your statement (it isn't)). Should work 276"select * from" were prepended to your statement (it isn't)). Should work
274with every database but can be quite slow, except on mysql, where this 277with every database but can be quite slow, except on mysql, where this
275should be quite fast. 278should be quite fast.
276 279
277C<sql_uexists> is similar to C<sql_exists> but upgrades all parameters to 280C<sql_uexists> is similar to C<sql_exists> but upgrades all parameters to
278utf8. 281UTF-8.
279 282
280Examples: 283Examples:
281 284
282 print "user 7 exists!\n" 285 print "user 7 exists!\n"
283 if sql_exists "user where id = ?", 7; 286 if sql_exists "user where id = ?", 7;
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355 358
356reinitialize; 359reinitialize;
357 360
358package PApp::SQL::Database; 361package PApp::SQL::Database;
359 362
360=head2 THE DATABASE CLASS 363=head2 The Database Class
361 364
362Again (sigh) the problem of persistency. What do you do when you have 365Again (sigh) the problem of persistency. What do you do when you have
363to serialize on object that contains (or should contain) a database 366to serialize on object that contains (or should contain) a database
364handle? Short answer: you don't. Long answer: you can embed the necessary 367handle? Short answer: you don't. Long answer: you can embed the necessary
365information to recreate the dbh when needed. 368information to recreate the dbh when needed.
… …
447 450
448L<PApp>. 451L<PApp>.
449 452
450=head1 AUTHOR 453=head1 AUTHOR
451 454
452 Marc Lehmann <pcg@goof.com> 455 Marc Lehmann <schmorp@schmorp.de>
453 http://www.goof.com/pcg/marc/ 456 http://home.schmorp.de/
454 457
455=cut 458=cut
456 459

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