index cd11a453528bb30e96f003a25a31c9c6f30d73a7..985963da4a01e994e99d87dd0a858d8eef26fd9a 100644 (file)
package GOSA::DBsqlite;
package GOSA::DBsqlite;
-
use strict;
use warnings;
use strict;
use warnings;
+
+use Carp;
use DBI;
use DBI;
-use Data::Dumper;
use GOSA::GosaSupportDaemon;
use Time::HiRes qw(usleep);
use GOSA::GosaSupportDaemon;
use Time::HiRes qw(usleep);
+use Data::Dumper;
+use Fcntl qw/:DEFAULT :flock/; # import LOCK_* constants
-
-my $col_names = {};
+our $col_names = {};
sub new {
sub new {
- my $class = shift;
- my $db_name = shift;
-
- my $lock = $db_name.".si.lock";
- # delete existing lock - instance should be running only once
- if(stat($lock)) {
- &main::daemon_log("DEBUG: Removed existing lock $lock.", 7);
- unlink($lock);
- }
- my $self = {dbh=>undef,db_name=>undef,db_lock=>undef,db_lock_handle=>undef};
- my $dbh = DBI->connect("dbi:SQLite:dbname=$db_name", "", "", {RaiseError => 1, AutoCommit => 1});
- $self->{dbh} = $dbh;
- $self->{db_name} = $db_name;
- $self->{db_lock} = $lock;
- bless($self,$class);
-
- return($self);
+ my $class = shift;
+ my $db_name = shift;
+
+ my $lock = $db_name.".si.lock";
+ my $self = {dbh=>undef,db_name=>undef,db_lock=>undef,db_lock_handle=>undef};
+ my $dbh = DBI->connect("dbi:SQLite:dbname=$db_name", "", "", {RaiseError => 1, AutoCommit => 1, PrintError => 0});
+
+ $self->{dbh} = $dbh;
+ $self->{db_name} = $db_name;
+ $self->{db_lock} = $lock;
+ bless($self,$class);
+
+ my $sth = $self->{dbh}->prepare("pragma integrity_check");
+ $sth->execute();
+ my @ret = $sth->fetchall_arrayref();
+ $sth->finish();
+ if(length(@ret)==1 && $ret[0][0][0] eq 'ok') {
+ &main::daemon_log("0 DEBUG: Database disk image '".$self->{db_name}."' is ok.", 74);
+ } else {
+ &main::daemon_log("0 ERROR: Database disk image '".$self->{db_name}."' is malformed, creating new database!", 1);
+ $self->{dbh}->disconnect() or &main::daemon_log("0 ERROR: Could not disconnect from database '".$self->{db_name}."'!", 1);
+ $self->{dbh}= undef;
+ unlink($db_name);
+ }
+ return($self);
}
}
-sub create_table {
- my $self = shift;
- my $table_name = shift;
- my $col_names_ref = shift;
- my @col_names;
- foreach my $col_name (@$col_names_ref) {
- my @t = split(" ", $col_name);
- $col_name = $t[0];
- push(@col_names, $col_name);
- }
-
- $col_names->{ $table_name } = $col_names_ref;
- my $col_names_string = join("', '", @col_names);
- my $sql_statement = "CREATE TABLE IF NOT EXISTS $table_name ( '$col_names_string' )";
- eval {
- my $res = $self->{dbh}->do($sql_statement);
- };
- if($@) {
- $self->{dbh}->do("ANALYZE");
+sub connect {
+ my $self = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::connect was called static! Argument was '$self'!", 1);
+ return;
}
}
+
+ $self->{dbh} = DBI->connect("dbi:SQLite:dbname=".$self->{db_name}, "", "", {PrintError => 0, RaiseError => 1, AutoCommit => 1}) or
+ &main::daemon_log("0 ERROR: Could not connect to database '".$self->{db_name}."'!", 1);
+
+ return;
+}
+
+
+sub disconnect {
+ my $self = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::disconnect was called static! Argument was '$self'!", 1);
+ return;
+ }
+
eval {
eval {
- my $res = $self->{dbh}->do($sql_statement);
+ $self->{dbh}->disconnect();
};
};
- if($@) {
- &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
+ if($@) {
+ &main::daemon_log("ERROR: Could not disconnect from database '".$self->{db_name}."'!", 1);
+ }
+
+ $self->{dbh}= undef;
+
+ return;
+}
+
+
+sub lock {
+ my $self = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::lock was called static! Argument was '$self'!", 1);
+ return;
+ }
+
+ if(not ref $self->{db_lock_handle} or not fileno $self->{db_lock_handle}) {
+ sysopen($self->{db_lock_handle}, $self->{db_lock}, O_RDWR | O_CREAT, 0600) or &main::daemon_log("0 ERROR: Opening the database ".$self->{db_name}." failed with $!", 1);
+ }
+get_lock:
+ my $lock_result = flock($self->{db_lock_handle}, LOCK_EX | LOCK_NB);
+ if(not $lock_result) {
+ &main::daemon_log("0 ERROR: Could not acquire lock for database ".$self->{db_name}, 1);
+ usleep(250+rand(500));
+ goto get_lock;
+ } else {
+ seek($self->{db_lock_handle}, 0, 2);
+ &main::daemon_log("0 DEBUG: Acquired lock for database ".$self->{db_name}, 74);
+ $self->connect();
+ }
+ return;
+}
+
+
+sub unlock {
+ my $self = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::unlock was called static! Argument was '$self'!", 1);
+ return;
+ }
+ if(not ref $self->{db_lock_handle}) {
+ &main::daemon_log("0 BIG ERROR: Lockfile for database ".$self->{db_name}."got closed within critical section!", 1);
+ }
+ flock($self->{db_lock_handle}, LOCK_UN);
+ &main::daemon_log("0 DEBUG: Released lock for database ".$self->{db_name}, 74);
+ $self->disconnect();
+ return;
+}
+
+
+sub create_table {
+ my $self = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::create_table was called static! Statement was '$self'!", 1);
+ return;
+ }
+ my $table_name = shift;
+ my $col_names_ref = shift;
+ my $index_names_ref = shift || undef;
+ my @col_names;
+ my @col_names_creation;
+ foreach my $col_name (@$col_names_ref) {
+ push(@col_names, $col_name);
+ }
+ $col_names->{ $table_name } = \@col_names;
+ my $col_names_string = join(", ", @col_names);
+
+ # Not activated yet
+ # Check schema
+ if($self->check_schema($table_name, $col_names_ref)) {
+ $self->exec_statement("DROP TABLE $table_name");
+ &main::daemon_log("WARNING: Schema of table $table_name has changed! Table will be recreated!", 3);
+ }
+
+ my $sql_statement = "CREATE TABLE IF NOT EXISTS $table_name ( $col_names_string )";
+ my $res = $self->exec_statement($sql_statement);
+
+ # Add indices
+ if(defined($index_names_ref) and ref($index_names_ref) eq 'ARRAY') {
+ foreach my $index_name (@$index_names_ref) {
+ $self->exec_statement("CREATE ".(($index_name eq 'id')?'UNIQUE':'')." INDEX IF NOT EXISTS $index_name on $table_name ($index_name);");
+ }
+ }
+
+ return 0;
+}
+
+
+sub check_schema {
+ my $self = shift;
+ my $table_name = shift;
+ my $col_names_ref = shift; # ['id INTEGER PRIMARY KEY', 'timestamp VARCHAR(14) DEFAULT \'none\'', ... ]
+ my $col_names_length = @$col_names_ref;
+
+ my $sql = "PRAGMA table_info($table_name)";
+ my $res = $self->exec_statement($sql); # [ ['0', 'id', 'INTEGER', '0', undef, '1' ], ['1', 'timestamp', 'VARCHAR(14)', '0', '\'none\'', '0'], ... ]
+ my $db_table_length = @$res;
+
+ # Tabel does not exists, so no differences
+ if ($db_table_length == 0)
+ {
+ return 0;
}
}
- return 0;
+
+
+ # The number of columns is diffrent
+ if ($col_names_length != $db_table_length)
+ {
+ return 1;
+ }
+
+ # The column name and column type to not match
+ for (my $i=0; $i < $db_table_length; $i++)
+ {
+ my @col_names_list = split(" ", @$col_names_ref[$i]);
+ if (($col_names_list[0] ne @{@$res[$i]}[1]) || ($col_names_list[1] ne @{@$res[$i]}[2]))
+ {
+ return 1;
+ }
+ }
+
+
+ return 0;
}
}
+
sub add_dbentry {
my $self = shift;
my $arg = shift;
sub add_dbentry {
my $self = shift;
my $arg = shift;
# if dbh not specified, return errorflag 1
my $table = $arg->{table};
# if dbh not specified, return errorflag 1
my $table = $arg->{table};
- if( not defined $table ) {
- return 1 ;
+ if( not defined $table ) {
+ return 1 ;
}
# if timestamp is not provided, add timestamp
}
# if timestamp is not provided, add timestamp
# check wether primkey is unique in table, otherwise return errorflag
my $sql_statement = "SELECT * FROM $table $prim_statement";
# check wether primkey is unique in table, otherwise return errorflag
my $sql_statement = "SELECT * FROM $table $prim_statement";
- eval {
- $res = @{ $self->{dbh}->selectall_arrayref($sql_statement) };
- };
- if($@) {
- $self->{dbh}->do("ANALYZE");
- eval {
- $res = @{ $self->{dbh}->selectall_arrayref($sql_statement) };
- };
- if($@) {
- &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
- }
- }
-
+ $res = @{ $self->exec_statement($sql_statement) };
}
# primkey is unique or no primkey specified -> run insert
}
# primkey is unique or no primkey specified -> run insert
my $create_id=0;
foreach my $col_name (@{$col_names}) {
if($col_name eq "id" && (! exists $arg->{$col_name})) {
my $create_id=0;
foreach my $col_name (@{$col_names}) {
if($col_name eq "id" && (! exists $arg->{$col_name})) {
- #&main::daemon_log("0 DEBUG: id field found without value! Creating autoincrement statement!", 7);
$create_id=1;
}
}
$create_id=1;
}
}
-
# assign values to column name variables
my @col_list;
my @val_list;
# assign values to column name variables
my @col_list;
my @val_list;
push(@col_list, "'".$col_name."'");
push(@val_list, "'".$arg->{$col_name}."'");
}
push(@col_list, "'".$col_name."'");
push(@val_list, "'".$arg->{$col_name}."'");
}
- }
+ }
my $sql_statement;
if($create_id==1) {
my $sql_statement;
if($create_id==1) {
- $sql_statement = "INSERT INTO $table ('id', ".join(", ", @col_list).") VALUES ((select coalesce(max(id), 0)+1 from $table), ".join(", ", @val_list).")";
+ $sql_statement = "INSERT INTO $table (id, ".join(", ", @col_list).") VALUES (null, ".join(", ", @val_list).")";
} else {
$sql_statement = "INSERT INTO $table (".join(", ", @col_list).") VALUES (".join(", ", @val_list).")";
}
my $db_res;
} else {
$sql_statement = "INSERT INTO $table (".join(", ", @col_list).") VALUES (".join(", ", @val_list).")";
}
my $db_res;
+ my $success=0;
+ $self->lock();
eval {
eval {
- $db_res = $self->{dbh}->do($sql_statement);
+ my $sth = $self->{dbh}->prepare($sql_statement);
+ $db_res = $sth->execute();
+ $sth->finish();
+ &main::daemon_log("0 DEBUG: Execution of statement '$sql_statement' succeeded!", 74);
+ $success = 1;
};
if($@) {
};
if($@) {
- $self->{dbh}->do("ANALYZE");
eval {
eval {
- $db_res = $self->{dbh}->do($sql_statement);
+ $self->{dbh}->do("ANALYZE");
+ $self->{dbh}->do("VACUUM");
+ };
+ }
+ if($success==0) {
+ eval {
+ my $sth = $self->{dbh}->prepare($sql_statement);
+ $db_res = $sth->execute();
+ $sth->finish();
+ &main::daemon_log("0 DEBUG: Execution of statement '$sql_statement' succeeded!", 74);
+ $success = 1;
+ };
+ if($@) {
+ eval {
+ $self->{dbh}->do("ANALYZE");
+ $self->{dbh}->do("VACUUM");
+ };
+ }
+ }
+ if($success==0) {
+ eval {
+ my $sth = $self->{dbh}->prepare($sql_statement);
+ $db_res = $sth->execute();
+ $sth->finish();
+ &main::daemon_log("0 DEBUG: Execution of statement '$sql_statement' succeeded!", 74);
+ $success = 1;
};
if($@) {
};
if($@) {
- &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
+ &main::daemon_log("0 ERROR: Execution of statement '$sql_statement' failed with $@", 1);
}
}
}
}
+ $self->unlock();
if( $db_res != 1 ) {
return (4, $sql_statement);
if( $db_res != 1 ) {
return (4, $sql_statement);
- }
+ }
# entry already exists -> run update
} else {
# entry already exists -> run update
} else {
sub update_dbentry {
sub update_dbentry {
- my ($self, $sql)= @_;
- my $db_answer= &exec_statement($self, $sql);
- return $db_answer;
+ my ($self, $sql)= @_;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::update_dbentry was called static! Statement was '$self'!", 1);
+ return;
+ }
+ my $db_answer= $self->exec_statement($sql);
+ return $db_answer;
}
sub del_dbentry {
}
sub del_dbentry {
- my ($self, $sql)= @_;;
- my $db_res= &exec_statement($self, $sql);
- return $db_res;
+ my ($self, $sql)= @_;;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::del_dbentry was called static! Statement was '$self'!", 1);
+ return;
+ }
+ my $db_res= $self->exec_statement($sql);
+ return $db_res;
}
sub get_table_columns {
}
sub get_table_columns {
- my $self = shift;
- my $table = shift;
- my @column_names;
-
+ my $self = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::get_table_columns was called static! Statement was '$self'!", 1);
+ return;
+ }
+ my $table = shift;
+ my @column_names;
+
if(exists $col_names->{$table}) {
if(exists $col_names->{$table}) {
- @column_names = @{$col_names->{$table}};
+ foreach my $col_name (@{$col_names->{$table}}) {
+ push @column_names, ($1) if $col_name =~ /^(.*?)\s.*$/;
+ }
} else {
my @res;
} else {
my @res;
- eval {
- @res = @{$self->{dbh}->selectall_arrayref("pragma table_info('$table')")};
- };
- if($@) {
- $self->{dbh}->do("ANALYZE");
- eval {
- @res = @{$self->{dbh}->selectall_arrayref("pragma table_info('$table')")};
- };
- if($@) {
- &main::daemon_log("ERROR: pragma table_info('$table') failed with $@", 1);
- }
- }
-
- foreach my $column (@res) {
+ foreach my $column ( @{ $self->exec_statement ( "pragma table_info('$table')" ) } ) {
push(@column_names, @$column[1]);
}
}
push(@column_names, @$column[1]);
}
}
- return \@column_names;
+ return \@column_names;
}
sub select_dbentry {
}
sub select_dbentry {
- my ($self, $sql)= @_;
- my $error= 0;
- my $answer= {};
- my $db_answer= &exec_statement($self, $sql);
- my @column_list;
-
- # fetch column list of db and create a hash with column_name->column_value of the select query
- $sql =~ /SELECT ([\S\s]*?) FROM ([\S]*?)( |$)/g;
- my $selected_cols = $1;
- my $table = $2;
-
- # all columns are used for creating answer
- if ($selected_cols eq '*') {
- @column_list = @{ &get_table_columns($self, $table) };
-
- # specific columns are used for creating answer
- } else {
- # remove all blanks and split string to list of column names
- $selected_cols =~ s/ //g;
- @column_list = split(/,/, $selected_cols);
- }
-
- # create answer
- my $hit_counter = 0;
- my $list_len = @column_list;
- foreach my $hit ( @{$db_answer} ){
- $hit_counter++;
- for ( my $i = 0; $i < $list_len; $i++) {
- $answer->{ $hit_counter }->{ $column_list[$i] } = @{ $hit }[$i];
- }
- }
-
- return $answer;
+ my ($self, $sql)= @_;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::select_dbentry was called static! Statement was '$self'!", 1);
+ return;
+ }
+ my $error= 0;
+ my $answer= {};
+ my $db_answer= $self->exec_statement($sql);
+ my @column_list;
+
+ # fetch column list of db and create a hash with column_name->column_value of the select query
+ $sql =~ /SELECT ([\S\s]*?) FROM ([\S]*?)( |$)/g;
+ my $selected_cols = $1;
+ my $table = $2;
+
+ # all columns are used for creating answer
+ if ($selected_cols eq '*') {
+ @column_list = @{ $self->get_table_columns($table) };
+
+ # specific columns are used for creating answer
+ } else {
+ # remove all blanks and split string to list of column names
+ $selected_cols =~ s/ //g;
+ @column_list = split(/,/, $selected_cols);
+ }
+
+ # create answer
+ my $hit_counter = 0;
+ my $list_len = @column_list;
+ foreach my $hit ( @{$db_answer} ){
+ $hit_counter++;
+ for ( my $i = 0; $i < $list_len; $i++) {
+ $answer->{ $hit_counter }->{ $column_list[$i] } = @{ $hit }[$i];
+ }
+ }
+
+ return $answer;
}
sub show_table {
}
sub show_table {
- my $self = shift;
- my $table_name = shift;
+ my $self = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::show_table was called static! Statement was '$self'!", 1);
+ return;
+ }
+ my $table_name = shift;
- my $sql_statement= "SELECT * FROM $table_name ORDER BY timestamp";
- my $res= &exec_statement($self, $sql_statement);
- my @answer;
- foreach my $hit (@{$res}) {
- push(@answer, "hit: ".join(', ', @{$hit}));
- }
+ my $sql_statement= "SELECT * FROM $table_name ORDER BY timestamp";
+ my $res= $self->exec_statement($sql_statement);
+ my @answer;
+ foreach my $hit (@{$res}) {
+ push(@answer, "hit: ".join(', ', @{$hit}));
+ }
- return join("\n", @answer);
+ return join("\n", @answer);
}
sub exec_statement {
}
sub exec_statement {
- my $self = shift;
- my $sql_statement = shift;
- my @db_answer;
+ my $self = shift;
+ my $sql_statement = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::exec_statement was called static! Statement was '$self'!", 1);
+ return;
+ }
+ if(not defined($sql_statement) or length($sql_statement) == 0) {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::exec_statement was called with empty statement!", 1);
+ return;
+ }
+
+ my @db_answer;
+ my $success= 0;
+ $self->lock();
+ # Give three chances to the sqlite database
+ # 1st chance
eval {
eval {
- @db_answer = @{$self->{dbh}->selectall_arrayref($sql_statement)};
+ my $sth = $self->{dbh}->prepare($sql_statement);
+ my $res = $sth->execute();
+ @db_answer = @{$sth->fetchall_arrayref()};
+ $sth->finish();
+ $success=1;
+ &main::daemon_log("0 DEBUG: $sql_statement succeeded.", 74);
};
if($@) {
};
if($@) {
- $self->{dbh}->do("ANALYZE");
eval {
eval {
- @db_answer = @{$self->{dbh}->selectall_arrayref($sql_statement)};
+ $self->{dbh}->do("ANALYZE");
+ $self->{dbh}->do("VACUUM");
+ $self->{dbh}->do("pragma integrity_check");
};
};
- if($@) {
- &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
- }
+ }
+ if($success) {
+ $self->unlock();
+ return \@db_answer ;
+ }
+
+ # 2nd chance
+ eval {
+ usleep(200);
+ my $sth = $self->{dbh}->prepare($sql_statement);
+ my $res = $sth->execute();
+ @db_answer = @{$sth->fetchall_arrayref()};
+ $sth->finish();
+ $success=1;
+ &main::daemon_log("0 DEBUG: $sql_statement succeeded.", 74);
+ };
+ if($@) {
+ eval {
+ $self->{dbh}->do("ANALYZE");
+ $self->{dbh}->do("VACUUM");
+ $self->{dbh}->do("pragma integrity_check");
+ };
+ }
+ if($success) {
+ $self->unlock();
+ return \@db_answer ;
+ }
+
+ # 3rd chance
+ eval {
+ usleep(200);
+ DBI->trace(6) if($main::verbose >= 7);
+ my $sth = $self->{dbh}->prepare($sql_statement);
+ my $res = $sth->execute();
+ @db_answer = @{$sth->fetchall_arrayref()};
+ $sth->finish();
+ DBI->trace(0);
+ &main::daemon_log("0 DEBUG: $sql_statement succeeded.", 74);
+ };
+ if($@) {
+ DBI->trace(0);
+ &main::daemon_log("ERROR: $sql_statement failed with $@", 1);
}
# TODO : maybe an error handling and an erro feedback to invoking function
#my $error = @$self->{dbh}->err;
}
# TODO : maybe an error handling and an erro feedback to invoking function
#my $error = @$self->{dbh}->err;
# my $error_string = @$self->{dbh}->errstr;
#}
# my $error_string = @$self->{dbh}->errstr;
#}
- return \@db_answer;
+ $self->unlock();
+ return \@db_answer;
}
sub exec_statementlist {
my $self = shift;
my $sql_list = shift;
}
sub exec_statementlist {
my $self = shift;
my $sql_list = shift;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::exec_statementlist was called static!", 1);
+ return;
+ }
my @db_answer;
my @db_answer;
- foreach my $sql (@$sql_list) {
- if(defined($sql) && length($sql) > 0) {
- eval {
- my @answer = @{$self->{dbh}->selectall_arrayref($sql)};
- push @db_answer, @answer;
- };
- if($@) {
- $self->{dbh}->do("ANALYZE");
- eval {
- my @answer = @{$self->{dbh}->selectall_arrayref($sql)};
- push @db_answer, @answer;
- };
- if($@) {
- &main::daemon_log("ERROR: $sql failed with $@", 1);
- }
- }
+ foreach my $sql_statement (@$sql_list) {
+ if(defined($sql_statement) && length($sql_statement) > 0) {
+ push @db_answer, $self->exec_statement($sql_statement);
} else {
next;
}
} else {
next;
}
sub count_dbentries {
sub count_dbentries {
- my ($self, $table)= @_;
- my $error= 0;
- my $answer= -1;
-
- my $sql_statement= "SELECT * FROM $table";
- my $db_answer= &select_dbentry($self, $sql_statement);
-
- my $count = keys(%{$db_answer});
- return $count;
+ my ($self, $table)= @_;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::count_dbentries was called static!", 1);
+ return;
+ }
+ my $error= 0;
+ my $count= -1;
+
+ my $sql_statement= "SELECT count() FROM $table";
+ my $db_answer= $self->select_dbentry($sql_statement);
+ if(defined($db_answer) && defined($db_answer->{1}) && defined($db_answer->{1}->{'count()'})) {
+ $count = $db_answer->{1}->{'count()'};
+ }
+
+ return $count;
}
sub move_table {
my ($self, $from, $to) = @_;
}
sub move_table {
my ($self, $from, $to) = @_;
+ if(not defined($self) or ref($self) ne 'GOSA::DBsqlite') {
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::move_table was called static!", 1);
+ return;
+ }
my $sql_statement_drop = "DROP TABLE IF EXISTS $to";
my $sql_statement_alter = "ALTER TABLE $from RENAME TO $to";
my $sql_statement_drop = "DROP TABLE IF EXISTS $to";
my $sql_statement_alter = "ALTER TABLE $from RENAME TO $to";
+ my $success = 0;
+ $self->lock();
eval {
eval {
+ $self->{dbh}->begin_work();
$self->{dbh}->do($sql_statement_drop);
$self->{dbh}->do($sql_statement_drop);
+ $self->{dbh}->do($sql_statement_alter);
+ $self->{dbh}->commit();
+ $success = 1;
};
if($@) {
};
if($@) {
- $self->{dbh}->do("ANALYZE");
+ $self->{dbh}->rollback();
eval {
eval {
- $self->{dbh}->do($sql_statement_drop);
+ $self->{dbh}->do("ANALYZE");
};
if($@) {
};
if($@) {
- &main::daemon_log("ERROR: $sql_statement_drop failed with $@", 1);
+ &main::daemon_log("ERROR: 'ANALYZE' on database '".$self->{db_name}."' failed with $@", 1);
+ }
+ eval {
+ $self->{dbh}->do("VACUUM");
+ };
+ if($@) {
+ &main::daemon_log("ERROR: 'VACUUM' on database '".$self->{db_name}."' failed with $@", 1);
}
}
}
}
- eval {
- $self->{dbh}->do($sql_statement_alter);
- };
- if($@) {
- $self->{dbh}->do("ANALYZE");
+ if($success == 0) {
eval {
eval {
+ $self->{dbh}->begin_work();
+ $self->{dbh}->do($sql_statement_drop);
$self->{dbh}->do($sql_statement_alter);
$self->{dbh}->do($sql_statement_alter);
+ $self->{dbh}->commit();
+ $success = 1;
};
if($@) {
};
if($@) {
- &main::daemon_log("ERROR: $sql_statement_alter failed with $@", 1);
+ $self->{dbh}->rollback();
+ eval {
+ $self->{dbh}->do("ANALYZE");
+ };
+ if($@) {
+ &main::daemon_log("ERROR: 'ANALYZE' on database '".$self->{db_name}."' failed with $@", 1);
+ }
+ eval {
+ $self->{dbh}->do("VACUUM");
+ };
+ if($@) {
+ &main::daemon_log("ERROR: 'VACUUM' on database '".$self->{db_name}."' failed with $@", 1);
+ }
}
}
}
}
+
+ if($success == 0) {
+ eval {
+ $self->{dbh}->begin_work();
+ $self->{dbh}->do($sql_statement_drop);
+ $self->{dbh}->do($sql_statement_alter);
+ $self->{dbh}->commit();
+ $success = 1;
+ };
+ if($@) {
+ $self->{dbh}->rollback();
+ &main::daemon_log("0 ERROR: GOSA::DBsqlite::move_table crashed! Operation failed with $@", 1);
+ }
+ }
+
+ &main::daemon_log("0 INFO: GOSA::DBsqlite::move_table: Operation successful!", 7);
+ $self->unlock();
return;
}
return;
}