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index 09ef7404a2d0bf52ed7a4ddcdbc947cba4d86e98..9f0b12b4ae921313b7c259dee11163394d5fcbf9 100644 (file)
package GOSA::DBsqlite;
-
use strict;
use warnings;
+use Carp;
use DBI;
-use Data::Dumper;
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 {
- 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");
- $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 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 {
+ $self->{dbh}->disconnect();
+ };
+ if($@) {
+ &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;
- 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 $table_name ( '$col_names_string' )";
- $self->{dbh}->do("DROP TABLE IF EXISTS $table_name");
- $self->{dbh}->do($sql_statement);
- return 0;
+ 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 ($db_table_length == 0)
+ {
+ return 0;
+ }
+
+
+
+ # The number of columns is diffrent
+ if ($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;
-
- # if dbh not specified, return errorflag 1
- my $table = $arg->{table};
- if( not defined $table ) {
- return 1 ;
- }
-
- # specify primary key in table
- if (not exists $arg->{primkey}) {
- return (2, "a hash key 'primkey' with at least an empty list as value is necessary for add_dbentry");
- }
- my $primkeys = $arg->{'primkey'};
- my $prim_statement="";
- if( 0 != @$primkeys ) {
- my @prim_list;
- foreach my $primkey (@$primkeys) {
- if($primkey eq 'id') {
- # if primkey is id, fetch max id from table and give new job id= max(id)+1
- my $sql_statement = "SELECT MAX(CAST(id AS INTEGER)) FROM $table";
- my $max_id = @{ @{ $self->{dbh}->selectall_arrayref($sql_statement) }[0] }[0];
- my $id;
- if( defined $max_id) {
- $id = $max_id + 1;
- } else {
- $id = 1;
- }
- $arg->{id} = $id;
- }
- if( not exists $arg->{$primkey} ) {
- return (3, "primkey '$primkey' has no value for add_dbentry");
- }
- push(@prim_list, "$primkey='".$arg->{$primkey}."'");
- }
- $prim_statement = "WHERE ".join(" AND ", @prim_list);
- }
-
- # if timestamp is not provided, add timestamp
- if( not exists $arg->{timestamp} ) {
- $arg->{timestamp} = &get_time;
- }
-
- # check wether primkey is unique in table, otherwise return errorflag
- my $sql_statement = "SELECT * FROM $table $prim_statement";
- my $res = @{ $self->{dbh}->selectall_arrayref($sql_statement) };
-
- if ($res == 0) {
- # primekey is unique
-
- # fetch column names of table
- my $col_names = &get_table_columns($self, $table);
-
- # assign values to column name variables
- my @col_list;
+ my $self = shift;
+ my $arg = shift;
+ my $res = 0; # default value
+
+ # if dbh not specified, return errorflag 1
+ my $table = $arg->{table};
+ if( not defined $table ) {
+ return 1 ;
+ }
+
+ # if timestamp is not provided, add timestamp
+ if( not exists $arg->{timestamp} ) {
+ $arg->{timestamp} = &get_time;
+ }
+
+ # check primkey and run insert or update
+ my $primkeys = $arg->{'primkey'};
+ my $prim_statement="";
+ if( 0 != @$primkeys ) { # more than one primkey exist in list
+ my @prim_list;
+ foreach my $primkey (@$primkeys) {
+ if( not exists $arg->{$primkey} ) {
+ return (3, "primkey '$primkey' has no value for add_dbentry");
+ }
+ push(@prim_list, "$primkey='".$arg->{$primkey}."'");
+ }
+ $prim_statement = "WHERE ".join(" AND ", @prim_list);
+
+ # check wether primkey is unique in table, otherwise return errorflag
+ my $sql_statement = "SELECT * FROM $table $prim_statement";
+ $res = @{ $self->exec_statement($sql_statement) };
+ }
+
+ # primkey is unique or no primkey specified -> run insert
+ if ($res == 0) {
+ # fetch column names of table
+ my $col_names = &get_table_columns($self, $table);
+
+ my $create_id=0;
+ foreach my $col_name (@{$col_names}) {
+ if($col_name eq "id" && (! exists $arg->{$col_name})) {
+ $create_id=1;
+ }
+ }
+ # assign values to column name variables
+ my @col_list;
my @val_list;
- foreach my $col_name (@{$col_names}) {
- # use function parameter for column values
- if (exists $arg->{$col_name}) {
- push(@col_list, $col_name);
- push(@val_list, $arg->{$col_name});
- }
- }
-
- my $sql_statement = "INSERT INTO $table (".join(", ", @col_list).") VALUES ('".join("', '", @val_list)."')";
- &main::daemon_log("DEBUG: $sql_statement", 7);
- my $db_res = $self->{dbh}->do($sql_statement);
- if( $db_res != 1 ) {
- return (4, $sql_statement);
- }
-
- } else {
- # entry already exists, so update it
- my @update_l;
- while( my ($pram, $val) = each %{$arg} ) {
- if( $pram eq 'table' ) { next; }
- if( $pram eq 'primkey' ) { next; }
- push(@update_l, "$pram='$val'");
- }
- my $update_str= join(", ", @update_l);
- $update_str= " SET $update_str";
-
- my $sql_statement= "UPDATE $table $update_str $prim_statement";
- my $db_res = &update_dbentry($self, $sql_statement );
-
- }
-
- return 0;
+ foreach my $col_name (@{$col_names}) {
+ # use function parameter for column values
+ if (exists $arg->{$col_name}) {
+ push(@col_list, "'".$col_name."'");
+ push(@val_list, "'".$arg->{$col_name}."'");
+ }
+ }
+
+ my $sql_statement;
+ if($create_id==1) {
+ $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;
+ my $success=0;
+ $self->lock();
+ 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);
+ $success = 1;
+ };
+ if($@) {
+ 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);
+ $success = 1;
+ };
+ if($@) {
+ &main::daemon_log("0 ERROR: Execution of statement '$sql_statement' failed with $@", 1);
+ }
+ }
+ $self->unlock();
+
+ if( $db_res != 1 ) {
+ return (4, $sql_statement);
+ }
+
+ # entry already exists -> run update
+ } else {
+ my @update_l;
+ while( my ($pram, $val) = each %{$arg} ) {
+ if( $pram eq 'table' ) { next; }
+ if( $pram eq 'primkey' ) { next; }
+ push(@update_l, "$pram='$val'");
+ }
+ my $update_str= join(", ", @update_l);
+ $update_str= " SET $update_str";
+
+ my $sql_statement= "UPDATE $table $update_str $prim_statement";
+ my $db_res = &update_dbentry($self, $sql_statement );
+ }
+
+ return 0;
}
+
sub update_dbentry {
- my ($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 $db_answer;
}
sub del_dbentry {
- my ($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 {
- my $self = shift;
- my $table = shift;
- my @column_names;
-
- if(exists $col_names->{$table}) {
- @column_names = @{$col_names->{$table}};
- } else {
- my @res = @{$self->{dbh}->selectall_arrayref("pragma table_info('$table')")};
-
- foreach my $column (@res) {
- push(@column_names, @$column[1]);
- }
- }
- return \@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}) {
+ foreach my $col_name (@{$col_names->{$table}}) {
+ push @column_names, ($1) if $col_name =~ /^(.*?)\s.*$/;
+ }
+ } else {
+ my @res;
+ foreach my $column ( @{ $self->exec_statement ( "pragma table_info('$table')" ) } ) {
+ push(@column_names, @$column[1]);
+ }
+ }
+ return \@column_names;
}
sub select_dbentry {
- my ($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 {
- 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 $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}));
+ }
- my @answer;
- foreach my $hit (@{$res}) {
- push(@answer, "hit: ".join(', ', @{$hit}));
- }
- return join("\n", @answer);
+ return join("\n", @answer);
}
sub exec_statement {
- my $self = shift;
- my $sql_statement = shift;
+ 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 {
+ 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) {
+ $self->unlock();
+ return \@db_answer ;
+ }
- my @db_answer = @{$self->{dbh}->selectall_arrayref($sql_statement)};
+ # 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) {
+ $self->unlock();
+ return \@db_answer ;
+ }
- return \@db_answer;
+ # 3rd chance
+ eval {
+ usleep(200);
+ DBI->trace(6) if($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;
+ #if ($error) {
+ # my $error_string = @$self->{dbh}->errstr;
+ #}
+
+ $self->unlock();
+ return \@db_answer;
}
sub exec_statementlist {
- my $self = shift;
- my $sql_list = shift;
- my @db_answer;
-
- foreach my $sql (@$sql_list) {
- @db_answer = @{$self->{dbh}->selectall_arrayref($sql)};
- }
+ 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;
+
+ foreach my $sql_statement (@$sql_list) {
+ if(defined($sql_statement) && length($sql_statement) > 0) {
+ push @db_answer, $self->exec_statement($sql_statement);
+ } else {
+ next;
+ }
+ }
- return \@db_answer;
+ return \@db_answer;
}
+
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, $to) = @_;
+ my ($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 $success = 0;
+
+ $self->lock();
+ 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();
+ 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();
+ 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);
+ }
+ }
- my $sql_statement_drop = "DROP TABLE IF EXISTS $to";
- my $sql_statement_alter = "ALTER TABLE $from RENAME TO $to";
- $self->{dbh}->do($sql_statement_drop);
- $self->{dbh}->do($sql_statement_alter);
+ &main::daemon_log("0 INFO: GOSA::DBsqlite::move_table: Operation successful!", 7);
+ $self->unlock();
- return;
+ return;
}