#!/usr/bin/env perl # -*- perl -*- # Copyright (c) 2000-2006 MySQL AB, 2009 Sun Microsystems, Inc. # Use is subject to license terms. # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Library General Public # License as published by the Free Software Foundation; version 2 # of the License. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Library General Public License for more details. # # You should have received a copy of the GNU Library General Public # License along with this library; if not, write to the Free # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, # MA 02110-1335 USA # # The configuration file for the DBI/DBD tests on different databases .... # You will need the DBD module for the database you are running. # Monty made this bench script and I (Luuk de Boer) rewrote it to DBI/DBD. # Monty rewrote this again to use packages. # # Each database has a different package that has 3 functions: # new Creates a object with some standard slot # version Version number of the server # create Generates commands to create a table #
# # First some global functions that help use the packages: #
sub get_server
{
my ($name,$host,$database,$odbc,$machine,$socket,$connect_options)=@_;
my ($server); if ($name =~ /mysql/i || $name =~ /mariadb/i)
{ $server=new db_MySQL($host, $database, $machine, $socket,$connect_options); }
elsif ($name =~ /pg/i)
{ $server= new db_Pg($host,$database); }
elsif ($name =~ /msql/i)
{ $server= new db_mSQL($host,$database); }
elsif ($name =~ /solid/i)
{ $server= new db_Solid($host,$database); }
elsif ($name =~ /Empress/i)
{ $server= new db_Empress($host,$database); }
elsif ($name =~ /FrontBase/i)
{ $server= new db_FrontBase($host,$database); }
elsif ($name =~ /Oracle/i)
{ $server= new db_Oracle($host,$database); }
elsif ($name =~ /Access/i)
{ $server= new db_access($host,$database); }
elsif ($name =~ /Informix/i)
{ $server= new db_Informix($host,$database); }
elsif ($name =~ /ms-sql/i)
{ $server= new db_ms_sql($host,$database); }
elsif ($name =~ /sybase/i)
{ $server= new db_sybase($host,$database); }
elsif ($name =~ /Adabas/i) # Adabas has two drivers
{
$server= new db_Adabas($host,$database); if ($name =~ /AdabasD/i)
{
$server->{'data_source'} =~ s/:Adabas:/:AdabasD:/;
}
}
elsif ($name =~ /DB2/i)
{ $server= new db_db2($host,$database); }
elsif ($name =~ /Mimer/i)
{ $server= new db_Mimer($host,$database); }
elsif ($name =~ /Sapdb/i)
{ $server= new db_sapdb($host,$database); }
elsif ($name =~ /interBase/i)
{ $server= new db_interbase($host,$database); } else
{
die "Unknown sql server name used: $name\nUse one of: Access, Adabas, AdabasD, Empress, FrontBase, Oracle, Informix, InterBase, DB2, mSQL, MariaDB, Mimer, MS-SQL, MySQL, Pg, Solid, SAPDB or Sybase.\nIf the connection is done trough ODBC the name must end with _ODBC\n";
} if ($name =~ /_ODBC$/i || defined($odbc) && $odbc)
{ if (! ($server->{'data_source'} =~ /^([^:]*):([^:]+):([^:]*)/ ))
{
die "Can't find databasename in data_source: '" .
$server->{'data_source'}. "'\n";
} if ($3) {
$server->{'data_source'} = "$1:ODBC:$3";
} else {
$server->{'data_source'} = "$1:ODBC:$database";
}
}
return $server;
}
############################################################################# # First the configuration for MariaDB / MySQL off course :-) #############################################################################
package db_MySQL;
sub new
{
my ($type,$host,$database,$machine,$socket,$connect_options)= @_;
my $self= {};
my %limits;
bless $self;
$self->{'cmp_name'} = "mysql";
$self->{'data_source'} = "DBI:MariaDB:database=$database;host=$host";
$self->{'data_source'} .= ";mariadb_socket=$socket"if($socket);
$self->{'data_source'} .= ";$connect_options"if($connect_options);
$self->{'limits'} = \%limits;
$self->{'blob'} = "blob";
$self->{'text'} = "text";
$self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
$self->{'vacuum'} = 1; # When using with --fast
$self->{'drop_attr'} = "";
$self->{'transactions'} = 0; # Transactions disabled by default
$limits{'NEG'} = 1; # Supports -id
$limits{'alter_add_multi_col'}= 1; #Have ALTER TABLE t add a int,add b int;
$limits{'alter_table'} = 1; # Have ALTER TABLE
$limits{'alter_table_dropcol'}= 1; # Have ALTER TABLE DROP column
$limits{'alter_table_after'}= 1; # Have ALTER TABLE .. AFTER other_column
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'func_extra_%'} = 1; # Has % as alias for mod()
$limits{'func_extra_if'} = 1; # Have function if.
$limits{'func_extra_in_num'} = 1; # Has function in
$limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
$limits{'func_odbc_mod'} = 1; # Have function mod.
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_by_position'} = 1; # Can use 'GROUP BY 1'
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'group_func_extra_std'} = 1; # Have group function std().
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_functions'} = 1; # Have group functions
$limits{'having_with_alias'} = 1; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can use group functions in HAVING
$limits{'insert_multi_value'} = 1; # Have INSERT ... values (1,2),(3,4)
$limits{'insert_select'} = 1;
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'left_outer_join'} = 1; # Supports left outer joins
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'limit'} = 1; # supports the limit attribute
$limits{'truncate_table'} = 1;
$limits{'load_data_infile'} = 1; # Has load data infile
$limits{'lock_tables'} = 1; # Has lock tables
$limits{'max_column_name'} = 64; # max table and column name
$limits{'max_columns'} = 2000; # Max number of columns in table
$limits{'max_conditions'} = 9999; # (Actually not a limit)
$limits{'max_index'} = 16; # Max number of keys
$limits{'max_index_parts'} = 16; # Max segments/key
$limits{'max_tables'} = (($machine || '') =~ "^win") ? 5000 : 65000;
$limits{'max_temporary_tables'}= 400;
$limits{'max_text_size'} = 1000000; # Good enough for tests
$limits{'multi_drop'} = 1; # Drop table can take many tables
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'order_by_null'} = 1; # Can use 'ORDER BY NULL'
$limits{'order_by_unused'} = 1;
$limits{'query_size'} = 1000000; # Max size with default buffers.
$limits{'select_without_from'}= 1; # Can do 'select 1';
$limits{'subqueries'} = 0; # Doesn't support sub-queries.
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'working_all_fields'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
# Some fixes that depends on the environment if (defined($main::opt_create_options) &&
$main::opt_create_options =~ /engine=heap/i)
{
$limits{'working_blobs'} = 0; # HEAP tables can't handle BLOB's
} # HEAP is deprecated in favor of MEMORY if (defined($main::opt_create_options) &&
$main::opt_create_options =~ /engine=memory/i)
{
$limits{'working_blobs'} = 0; # MEMORY tables can't handle BLOB's
} if (defined($main::opt_create_options) &&
$main::opt_create_options =~ /engine=innodb/i)
{
$self->{'transactions'} = 1; # Transactions enabled
} if (defined($main::opt_create_options) &&
$main::opt_create_options =~ /engine=bdb/i)
{
$self->{'transactions'} = 1; # Transactions enabled
} if (defined($main::opt_create_options) &&
$main::opt_create_options =~ /engine=gemini/i)
{
$limits{'working_blobs'} = 0; # Blobs not implemented yet
$limits{'max_tables'} = 500;
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$self->{'transactions'} = 1; # Transactions enabled
}
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
$dbh=$self->connect();
$sth = $dbh->prepare("select VERSION()") or die $DBI::errstr;
$version="MySQL 3.20.?"; if ($sth->execute && (@row = $sth->fetchrow_array))
{
$row[0] =~ s/-/ /g; # To get better tables with long names
$version="$row[0]";
}
$sth->finish;
$sth = $dbh->prepare("show status like 'ssl_version'") or die $DBI::errstr; if ($sth->execute && (@row = $sth->fetchrow_array) && $row[1])
{
$version .= "/$row[1]";
}
$sth->finish;
$dbh->disconnect;
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
# # Connection with optional disabling of logging #
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
$dbh->do("SET OPTION LOG_OFF=1,UPDATE_LOG=0"); if ($main::opt_connect_command ne "")
{
$dbh->do($main::opt_connect_command) or
die "Can't execute connect_command: $main::opt_connect_command error: $DBI::errstr\n";
}
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. # # If one uses $main::opt_fast then one is allowed to use # non standard types to get better speed. #
sub create
{
my($self,$table_name,$fields,$index,$options) = @_;
my($query,@queries);
sub insert_file {
my ($self,$dbname, $file, $dbh) = @_;
my ($command, $sth);
$file =~ s|\\|/|g; # Change Win32 names to Unix syntax
$command = "load data infile '$file' into table $dbname columns optionally enclosed by '\\'' terminated by ','"; # print "$command\n";
$sth = $dbh->do($command) or die $DBI::errstr;
return $sth; # Contains number of rows
}
# # Do any conversions to the ANSI SQL query so that the database can handle it #
sub query {
my($self,$sql) = @_;
return $sql;
}
sub drop_index {
my ($self,$table,$index) = @_;
return "DROP INDEX $index ON $table";
}
# # Abort if the server has crashed # return: 0 if ok # 1 question should be retried #
sub abort_if_fatal_error
{
return 0;
}
# # This should return 1 if we to do disconnect / connect when doing # big batches #
sub small_rollback_segment
{
return 0;
}
# # reconnect on errors (needed mainly be crash-me) #
sub reconnect_on_errors
{
return 0;
}
sub fix_for_insert
{
my ($self,$cmd) = @_;
return $cmd;
}
# # Optimize tables for better performance #
sub vacuum
{
my ($self,$full_vacuum,$dbh_ref,@tables)=@_;
my ($loop_time,$end_time,$dbh); if ($#tables >= 0)
{
$dbh=$$dbh_ref;
$loop_time=new Benchmark;
$dbh->do("OPTIMIZE TABLE " . join(',',@tables)) || die "Got error: $DBI::errstr when executing 'OPTIMIZE TABLE'\n";
$end_time=new Benchmark;
print "Time for book-keeping (1): " .
Benchmark::timestr(Benchmark::timediff($end_time, $loop_time),"all") . "\n\n";
}
}
############################################################################# # Definitions for mSQL #############################################################################
package db_mSQL;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
sub version
{
my ($tmp,$dir); foreach $dir ("/usr/local/Hughes", "/usr/local/mSQL","/my/local/mSQL", "/usr/local")
{ if (-x "$dir/bin/msqladmin")
{
$tmp=`$dir/bin/msqladmin version | grep server`; if ($tmp =~ /^\s*(.*\w)\s*$/)
{ # Strip pre- and endspace
$tmp=$1;
$tmp =~ s/\s+/ /g; # Remove unnecessary spaces
$tmp .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $tmp;
}
}
}
return "mSQL version ???";
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Can't handle many field types, so we map everything to int and real. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$name,$nr);
$query="create table $table_name ("; foreach $field (@$fields)
{
$field =~ s/varchar/char/i; # mSQL doesn't have VARCHAR() # mSQL can't handle more than the real basic int types
$field =~ s/tinyint|smallint|mediumint|integer/int/i; # mSQL can't handle different visual lengths
$field =~ s/int\(\d*\)/int/i; # mSQL doesn't have float, change it to real
$field =~ s/float(\(\d*,\d*\)){0,1}/real/i;
$field =~ s/double(\(\d*,\d*\)){0,1}/real/i; # mSQL doesn't have blob, it has text instead if ($field =~ / blob/i)
{
$name=$self->{'blob'};
$field =~ s/ blob/ $name/;
}
$query.= $field . ',';
}
substr($query,-1)=")"; # Remove last ',';
push(@queries,$query);
$nr=0;
# Prepend table_name to index name because the the name may clash with # a field name. (Should be diffent name space, but this is mSQL...)
foreach $index (@$index)
{ # Primary key is unique index in mSQL
$index =~ s/primary key/unique index primary/i; if ($index =~ /^unique\s*\(([^\(]*)\)$/i)
{
$nr++;
push(@queries,"create unique index ${table_name}_$nr on $table_name ($1)");
} else
{ if (!($index =~ /^(.*index)\s+(\w*)\s+(\(.*\))$/i))
{
die "Can't parse index information in '$index'\n";
}
push(@queries,"create $1 ${table_name}_$2 on $table_name $3");
}
}
return @queries;
}
sub insert_file {
my($self,$dbname, $file) = @_;
print "insert an ascii file isn't supported by mSQL\n";
return 0;
}
sub query {
my($self,$sql) = @_;
return $sql;
}
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $index FROM $table";
}
sub abort_if_fatal_error
{
return 0;
}
sub small_rollback_segment
{
return 0;
}
sub reconnect_on_errors
{
return 0;
}
sub fix_for_insert
{
my ($self,$cmd) = @_;
return $cmd;
}
############################################################################# # Definitions for PostgreSQL # #############################################################################
package db_Pg;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
$self->{'cmp_name'} = "pg";
$self->{'data_source'} = "DBI:Pg:dbname=$database";
$self->{'limits'} = \%limits;
$self->{'blob'} = "text";
$self->{'text'} = "text";
$self->{'double_quotes'} = 1;
$self->{'drop_attr'} = "";
$self->{'transactions'} = 1; # Transactions enabled
$self->{"vacuum"} = 1;
$limits{'join_optimizer'} = 1; # Can optimize FROM tables # load_data_infile could use function 'insert_file', but I could not get it to # work because of permissions problems. Disabling for now.
$limits{'load_data_infile'} = 0;
$limits{'NEG'} = 1;
$limits{'alter_add_multi_col'}= 1;
$limits{'alter_table'} = 1;
$limits{'alter_table_dropcol'}= 1;
$limits{'alter_table_after'} = 0; # Have ALTER TABLE .. AFTER other_column
$limits{'column_alias'} = 1;
$limits{'func_extra_%'} = 1;
$limits{'func_extra_if'} = 0;
$limits{'func_extra_in_num'} = 1;
$limits{'func_odbc_floor'} = 1;
$limits{'func_odbc_mod'} = 1; # Has %
$limits{'functions'} = 1;
$limits{'group_by_position'} = 1;
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'group_func_extra_std'} = 0;
$limits{'group_func_sql_min_str'}= 1; # Can execute MIN() and MAX() on strings
$limits{'group_functions'} = 1;
$limits{'having_with_alias'} = 0;
$limits{'having_with_group'} = 1;
$limits{'insert_select'} = 1;
$limits{'left_outer_join'} = 1;
$limits{'like_with_column'} = 1;
$limits{'lock_tables'} = 0; # in ATIS gives this a problem
$limits{'max_column_name'} = 128;
$limits{'max_columns'} = 1000; # 500 crashes pg 6.3
$limits{'max_conditions'} = 9999; # This makes Pg real slow
$limits{'max_index'} = 64; # Big enough
$limits{'max_index_parts'} = 16;
$limits{'max_tables'} = 65000;
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 65000; # Good enough for test
$limits{'multi_drop'} = 1;
$limits{'order_by_position'} = 1;
$limits{'order_by_unused'} = 1;
$limits{'query_size'} = 16777216;
$limits{'select_without_from'}= 1;
$limits{'subqueries'} = 1;
$limits{'table_wildcard'} = 1;
$limits{'truncate_table'} = 1;
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'working_all_fields'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
$limits{'insert_multi_value'} = 1; # Have INSERT ... values (1,2),(3,4)
return $self;
}
# couldn't find the option to get the version number
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
$dbh=$self->connect();
$sth = $dbh->prepare("select VERSION()") or die $DBI::errstr;
$version="PostgreSQL ?"; if ($sth->execute && (@row = $sth->fetchrow_array))
{
$row[0] =~ s/-/ /g; # To get better tables with long names
$version="PostgreSQL $row[0]";
}
$sth->finish;
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$name,$in,$indfield,$table,$nr);
$query="create table $table_name ("; foreach $field (@$fields)
{ if ($main::opt_fast)
{ # Allow use of char2, char4, char8 or char16
$field =~ s/char(2|4|8|16)/char$1/;
} # Pg can't handle more than the real basic int types
$field =~ s/tinyint|smallint|mediumint|integer/int/; # Pg can't handle different visual lengths
$field =~ s/int\(\d*\)/int/;
$field =~ s/float\(\d*,\d*\)/float/;
$field =~ s/ double/ float/; # Pg doesn't have blob, it has text instead
$field =~ s/ blob/ text/;
$query.= $field . ',';
}
substr($query,-1)=")"; # Remove last ',';
push(@queries,$query); foreach $index (@$index)
{ if ($index =~ /primary key/ || $index =~ /PRIMARY KEY/)
{
$query= substr($query, 0, length($query)-1) . ", $index )";
next;
}
elsif ($index =~ /^unique.*\(([^\(]*)\)$/i)
{
$indfield=" (" .$1.")";
$in="unique index";
$table="index_$nr"; $nr++;
}
elsif ($index =~ /^(.*index)\s+(\w*)\s+(\(.*\))$/i)
{ # original: $indfield="using btree (" .$1.")";
$indfield=" " .$3;
$in="index";
$table="index_$nr"; $nr++;
} else
{
die "Can't parse index information in '$index'\n";
}
push(@queries,"create $in ${table_name}_$table on $table_name $indfield");
}
$queries[0]=$query;
return @queries;
}
sub insert_file {
my ($self,$dbname, $file, $dbh) = @_;
my ($command, $sth);
# Syntax: # copy [binary] <class_name> [with oids] # {to|from} {<filename>|stdin|stdout} [using delimiters <delim>]
$command = "copy $dbname from '$file' using delimiters ',' QUOTE ''''";
print "$command\n";
$sth = $dbh->do($command) or die $DBI::errstr;
return $sth;
}
sub query {
my($self,$sql) = @_;
return $sql;
}
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $index";
}
sub abort_if_fatal_error
{
return 1if ($DBI::errstr =~ /sent to backend, but backend closed/i);
return 0;
}
sub small_rollback_segment
{
return 0;
}
sub reconnect_on_errors
{
return 0;
}
sub fix_for_insert
{
my ($self,$cmd) = @_;
return $cmd;
}
sub vacuum
{
my ($self,$full_vacuum,$dbh_ref,@tables)=@_;
my ($loop_time,$end_time,$dbh,$table); if (defined($full_vacuum))
{
$$dbh_ref->disconnect; $$dbh_ref= $self->connect();
}
$dbh=$$dbh_ref;
$loop_time=new Benchmark; if ($#tables >= 0)
{ foreach $table (@tables)
{
$dbh->do("vacuum analyze $table") || die "Got error: $DBI::errstr when executing 'vacuum analyze $table'\n";
$dbh->do("vacuum $table") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
}
} else
{
$dbh->do("vacuum analyze") || die "Got error: $DBI::errstr when executing 'vacuum analyze'\n";
$dbh->do("vacuum") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
}
$end_time=new Benchmark;
print "Time for book-keeping (1): " .
Benchmark::timestr(Benchmark::timediff($end_time, $loop_time),"all") . "\n\n";
$dbh->disconnect; $$dbh_ref= $self->connect();
}
############################################################################# # Definitions for Solid #############################################################################
package db_Solid;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
$limits{'max_conditions'} = 9999; # Probably big enough
$limits{'max_columns'} = 2000; # From crash-me
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 65492; # According to tests
$limits{'query_size'} = 65535; # Probably a limit
$limits{'max_index'} = 64; # Probably big enough
$limits{'max_index_parts'} = 64;
$limits{'max_column_name'} = 80;
$limits{'join_optimizer'} = 1;
$limits{'load_data_infile'} = 0;
$limits{'lock_tables'} = 0;
$limits{'functions'} = 1;
$limits{'group_functions'} = 1;
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'select_without_from'}= 0; # Can do 'select 1' ?;
$limits{'multi_drop'} = 0;
$limits{'subqueries'} = 1;
$limits{'left_outer_join'} = 1;
$limits{'table_wildcard'} = 1;
$limits{'having_with_alias'} = 0;
$limits{'having_with_group'} = 1;
$limits{'like_with_column'} = 1;
$limits{'order_by_position'} = 0; # 2.30.0018 can this
$limits{'group_by_position'} = 0;
$limits{'alter_table'} = 1;
$limits{'alter_add_multi_col'}= 0;
$limits{'alter_table_dropcol'}= 0;
$limits{'group_func_extra_std'} = 0; # Have group function std().
$limits{'func_odbc_mod'} = 1;
$limits{'func_extra_%'} = 0;
$limits{'func_odbc_floor'} = 1;
$limits{'column_alias'} = 1;
$limits{'NEG'} = 1;
$limits{'func_extra_in_num'} = 1;
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($version,$dir);
$version="Solid version ??"; foreach $dir ($ENV{'SOLIDDIR'},"/usr/local/solid", "/my/local/solid")
{ if ($dir && -e "$dir/bin/solcon")
{
$version=`$dir/bin/solcon -e"ver" $main::opt_user $main::opt_password | grep Server | sed q`; if ($? == 0)
{
chomp($version);
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
}
}
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$nr);
# there is no sql statement in solid which can do the load from # an ascii file in the db ... but there is the speedloader program # an external program which can load the ascii file in the db ... # the server must be down before using speedloader !!!! # (in the standalone version) # it works also with a control file ... that one must be made ....
sub insert_file {
my ($self, $dbname, $file) = @_;
my ($speedcmd);
$speedcmd = '/usr/local/solid/bin/solload';
print "At this moment not supported - solid server must go down \n";
return 0;
}
# solid can't handle an alias in a having statement so # select test as foo from tmp group by foo having foo > 2 # becomes # select test as foo from tmp group by foo having test > 2 #
sub query {
my($self,$sql) = @_;
my(@select,$tmp,$newhaving,$key,%change);
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $index";
}
sub abort_if_fatal_error
{
return 0;
}
sub small_rollback_segment
{
return 0;
}
sub fix_for_insert
{
my ($self,$cmd) = @_;
return $cmd;
}
sub reconnect_on_errors
{
return 0;
}
############################################################################# # Definitions for Empress # # at this moment DBI:Empress can only handle 200 prepare statements ... # so Empress can't be tested with the benchmark test :( #############################################################################
package db_Empress;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
$limits{'max_conditions'} = 1258;
$limits{'max_columns'} = 226; # server is disconnecting???? # above this value .... but can handle 2419 columns # maybe something for crash-me ... but how to check ???
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 4095; # max returned ....
$limits{'query_size'} = 65535; # Not a limit, big enough
$limits{'max_index'} = 64; # Big enough
$limits{'max_index_parts'} = 64; # Big enough
$limits{'max_column_name'} = 31;
$limits{'group_func_extra_std'}= 0; # Have group function std().
$limits{'func_odbc_mod'} = 0;
$limits{'func_extra_%'} = 1;
$limits{'func_odbc_floor'} = 1;
$limits{'func_extra_if'} = 0;
$limits{'column_alias'} = 0;
$limits{'NEG'} = 1;
$limits{'func_extra_in_num'} = 0;
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self,$dbh)=@_;
my ($version);
$version=""; if (-x "/usr/local/empress/rdbms/bin/empvers")
{
$version=`/usr/local/empress/rdbms/bin/empvers | grep Version`;
} if ($version)
{
chomp($version);
} else
{
$version="Empress version ???";
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
sub insert_file {
my($self,$dbname, $file) = @_;
my($command,$sth);
$command = "insert into $dbname from '$file'";
print "$command\n"if ($opt_debug);
$sth = $dbh->do($command) or die $DBI::errstr;
return $sth;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$nr);
$query="create table $table_name ("; foreach $field (@$fields)
{
$field =~ s/mediumint/int/i;
$field =~ s/tinyint/int/i;
$field =~ s/smallint/int/i;
$field =~ s/longint/int/i;
$field =~ s/integer/int/i;
$field =~ s/ double/ longfloat/i; # Solid doesn't have blob, it has long varchar # $field =~ s/ blob/ text(65535,65535,65535,65535)/;
$field =~ s/ blob/ text/;
$field =~ s/ varchar\((\d+)\)/ char($1,3)/;
$field =~ s/ char\((\d+)\)/ char($1,3)/; # $field =~ s/ decimal/ float/i; # $field =~ s/ big_decimal/ longfloat/i; # $field =~ s/ date/ int/i;
$field =~ s/ float(.*)/ float/i; if ($field =~ / int\((\d+)\)/) { if ($1 > 4) {
$field =~ s/ int\(\d+\)/ longinteger/i;
} else {
$field =~ s/ int\(\d+\)/ longinteger/i;
}
} else {
$field =~ s/ int/ longinteger/i;
}
$query.= $field . ',';
}
substr($query,-1)=")"; # Remove last ',';
push(@queries,$query);
$nr=1; foreach $index (@$index)
{ # Primary key is unique index in Empress
$index =~ s/primary key/unique index/i; if ($index =~ /^unique.*\(([^\(]*)\)$/i)
{
$nr++;
push(@queries,"create unique index ${table_name}_$nr on $table_name ($1)");
} else
{ if (!($index =~ /^(.*index)\s+(\w*)\s+(\(.*\))$/i))
{
die "Can't parse index information in '$index'\n";
}
push(@queries,"create $1 ${table_name}_$2 on $table_name $3");
}
}
return @queries;
}
# empress can't handle an alias and but can handle the number of the # columname - so # select test as foo from tmp order by foo # becomes # select test from tmp order by 1 #
sub query {
my($self,$sql) = @_;
my(@select,$i,$tmp,$newselect,$neworder,@order,$key,%change);
my($tmp1,$otmp,$tmp2);
sub fix_for_insert
{
my ($self,$cmd) = @_;
$cmd =~ s/\'\'/\' \'/g;
return $cmd;
}
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $index";
}
# This is a because of the 200 statement problem with DBI-Empress
sub abort_if_fatal_error
{ if ($DBI::errstr =~ /Overflow of table of prepared statements/i)
{
print "Overflow of prepared statements ... killing the process\n";
exit 1;
}
return 0;
}
sub small_rollback_segment
{
return 0;
}
sub reconnect_on_errors
{
return 0;
}
############################################################################# # Definitions for Oracle #############################################################################
package db_Oracle;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
$limits{'max_conditions'} = 9999; # (Actually not a limit)
$limits{'max_columns'} = 254; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 2000; # Limit for blob test-connect
$limits{'query_size'} = 65525; # Max size with default buffers.
$limits{'max_index'} = 16; # Max number of keys
$limits{'max_index_parts'} = 16; # Max segments/key
$limits{'max_column_name'} = 32; # max table and column name
$limits{'truncate_table'} = 1;
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 0; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'select_without_from'}= 0;
$limits{'multi_drop'} = 0;
$limits{'subqueries'} = 1;
$limits{'left_outer_join'} = 0; # This may be fixed in the query module
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can't use group functions in HAVING
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 0;
$limits{'alter_table'} = 1;
$limits{'alter_add_multi_col'}= 0;
$limits{'alter_table_dropcol'}= 0;
$limits{'group_func_extra_std'} = 0; # Have group function std().
$limits{'func_odbc_mod'} = 0; # Oracle has problem with mod()
$limits{'func_extra_%'} = 0; # Has % as alias for mod()
$limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 1; # Supports -id
$limits{'func_extra_in_num'} = 1; # Has function in
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
$dbh=$self->connect();
$sth = $dbh->prepare("select VERSION from product_component_version WHERE PRODUCT like 'Oracle%'") or die $DBI::errstr;
$version="Oracle 7.x"; if ($sth->execute && (@row = $sth->fetchrow_array))
{
$version="Oracle $row[0]";
}
$sth->finish;
$dbh->disconnect;
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. # # If one uses $main::opt_fast then one is allowed to use # non standard types to get better speed. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$ind,@keys);
$limits{'NEG'} = 1; # Supports -id
$limits{'alter_table'} = 1;
$limits{'alter_add_multi_col'}= 0;
$limits{'alter_table_dropcol'}= 1;
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'func_extra_%'} = 0; # Has % as alias for mod()
$limits{'func_extra_if'} = 0; # Have function if.
$limits{'func_extra_in_num'}= 0; # Has function in
$limits{'func_odbc_floor'} = 0; # Has func_odbc_floor function
$limits{'func_odbc_mod'} = 1; # Have function mod.
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_by_position'} = 1; # Can use 'GROUP BY 1'
$limits{'group_by_alias'} = 0; # Can use 'select a as ab from x GROUP BY ab'
$limits{'group_func_extra_std'} = 0; # Have group function std().
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'}= 1; # Can't use group functions in HAVING
$limits{'join_optimizer'} = 1; # Can optimize FROM tables (always 1 only for msql)
$limits{'left_outer_join'} = 0; # Supports left outer joins (ANSI)
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'load_data_infile'} = 0; # Has load data infile
$limits{'lock_tables'} = 1; # Has lock tables
$limits{'max_conditions'} = 1214; # (Actually not a limit)
$limits{'max_column_name'} = 18; # max table and column name
$limits{'max_columns'} = 994; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_index'} = 64; # Max number of keys
$limits{'max_index_parts'} = 15; # Max segments/key
$limits{'max_text_size'} = 65535; # Max size with default buffers. ??
$limits{'multi_drop'} = 0; # Drop table can take many tables
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'query_size'} = 32766; # Max size with default buffers.
$limits{'select_without_from'}= 0; # Can do 'select 1';
$limits{'subqueries'} = 1; # Doesn't support sub-queries.
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
$ENV{'INFORMIXSERVER'} = $self->{'host'};
$dbh=$self->connect();
$sth = $dbh->prepare("SELECT owner FROM systables WHERE tabname = ' VERSION'")
or die $DBI::errstr;
$version='Informix unknown'; if ($sth->execute && (@row = $sth->fetchrow_array))
{
$version="Informix $row[0]";
}
$sth->finish;
$dbh->disconnect;
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Create table #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$name,$nr);
foreach $index (@$index)
{ # Primary key is unique index in Informix
$index =~ s/primary key/unique index primary/i; if ($index =~ /^unique\s*\(([^\(]*)\)$/i)
{
$nr++;
push(@queries,"create unique index ${table_name}_$nr on $table_name ($1)");
} else
{ if (!($index =~ /^(.*index)\s+(\w*)\s+(\(.*\))$/i))
{
die "Can't parse index information in '$index'\n";
} ### push(@queries,"create $1 ${table_name}_$2 on $table_name $3");
$nr++;
push(@queries,"create $1 ${table_name}_$nr on $table_name $3");
}
}
return @queries;
} # # Some test needed this #
sub query {
my($self,$sql) = @_;
return $sql;
}
sub fix_for_insert
{
my ($self,$cmd) = @_;
$cmd =~ s/\\\'//g;
return $cmd;
}
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $index";
}
# # Abort if the server has crashed # return: 0 if ok # 1 question should be retried #
sub abort_if_fatal_error
{
return 0;
}
sub small_rollback_segment
{
return 0;
}
sub reconnect_on_errors
{
return 0;
}
############################################################################# # Configuration for Access #############################################################################
package db_access;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
$limits{'max_conditions'} = 97; # We get 'Query is too complex'
$limits{'max_columns'} = 255; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 255; # Max size with default buffers.
$limits{'query_size'} = 65535; # Not a limit, big enough
$limits{'max_index'} = 32; # Max number of keys
$limits{'max_index_parts'} = 10; # Max segments/key
$limits{'max_column_name'} = 64; # max table and column name
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 0; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 0; # Have count(distinct)
$limits{'select_without_from'}= 1; # Can do 'select 1';
$limits{'multi_drop'} = 0; # Drop table can take many tables
$limits{'subqueries'} = 1; # Supports sub-queries.
$limits{'left_outer_join'} = 1; # Supports left outer joins
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can use group functions in HAVING
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 0; # Can use 'GROUP BY 1'
$limits{'alter_table'} = 1;
$limits{'alter_add_multi_col'}= 2; #Have ALTER TABLE t add a int, b int;
$limits{'alter_table_dropcol'}= 1;
$limits{'group_func_extra_std'} = 0; # Have group function std().
$limits{'func_odbc_mod'} = 0; # Have function mod.
$limits{'func_extra_%'} = 0; # Has % as alias for mod()
$limits{'func_odbc_floor'} = 0; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 1; # Supports -id
$limits{'func_extra_in_num'} = 1; # Has function in
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my $version="Access 2000";
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version; #DBI/ODBC can't return the server version
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$nr);
# # Do any conversions to the ANSI SQL query so that the database can handle it #
sub query {
my($self,$sql) = @_;
return $sql;
}
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $index ON $table";
}
# # Abort if the server has crashed # return: 0 if ok # 1 question should be retried #
sub abort_if_fatal_error
{
return 1if (($DBI::errstr =~ /The database engine couldn\'t lock table/i) ||
($DBI::errstr =~ /niet vergrendelen. De tabel is momenteel in gebruik /i) ||
($DBI::errstr =~ /Den anv.* redan av en annan/i) ||
($DBI::errstr =~ /non-exclusive access/));
return 0;
}
sub small_rollback_segment
{
return 0;
}
sub reconnect_on_errors
{
return 1;
}
sub fix_for_insert
{
my ($self,$cmd) = @_;
return $cmd;
}
############################################################################# # Configuration for Microsoft SQL server #############################################################################
package db_ms_sql;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
$limits{'max_conditions'} = 1030; # We get 'Query is too complex'
$limits{'max_columns'} = 250; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 9830; # Max size with default buffers.
$limits{'query_size'} = 9830; # Max size with default buffers.
$limits{'max_index'} = 64; # Max number of keys
$limits{'max_index_parts'} = 15; # Max segments/key
$limits{'max_column_name'} = 30; # max table and column name
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 0; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'select_without_from'}= 1; # Can do 'select 1';
$limits{'multi_drop'} = 1; # Drop table can take many tables
$limits{'subqueries'} = 1; # Supports sub-queries.
$limits{'left_outer_join'} = 1; # Supports left outer joins
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can't use group functions in HAVING
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 0; # Can use 'GROUP BY 1'
$limits{'alter_table'} = 1;
$limits{'alter_add_multi_col'}= 0;
$limits{'alter_table_dropcol'}= 0;
$limits{'group_func_extra_std'} = 0; # Have group function std().
$limits{'func_odbc_mod'} = 0; # Have function mod.
$limits{'func_extra_%'} = 1; # Has % as alias for mod()
$limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 1; # Supports -id
$limits{'func_extra_in_num'} = 0; # Has function in
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my($sth,@row, $version);
$version='MS SQL server ?';
$dbh=$self->connect();
$sth = $dbh->prepare("SELECT \@\@VERSION") or die $DBI::errstr;
$sth->execute or die $DBI::errstr;
@row = $sth->fetchrow_array; if ($row[0]) {
@server = split(/\n/,$row[0]);
chomp(@server);
$version= "$server[0]";
}
$sth->finish;
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$nr);
$limits{'max_conditions'} = 1030; # We get 'Query is too complex'
$limits{'max_columns'} = 250; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 9830; # Max size with default buffers.
$limits{'query_size'} = 9830; # Max size with default buffers.
$limits{'max_index'} = 64; # Max number of keys
$limits{'max_index_parts'} = 15; # Max segments/key
$limits{'max_column_name'} = 30; # max table and column name
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 0; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'select_without_from'}= 1; # Can do 'select 1';
$limits{'multi_drop'} = 1; # Drop table can take many tables
$limits{'subqueries'} = 1; # Supports sub-queries.
$limits{'left_outer_join'} = 1; # Supports left outer joins
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can't use group functions in HAVING
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 0; # Can use 'GROUP BY 1'
$limits{'alter_table'} = 1;
$limits{'alter_add_multi_col'}= 0;
$limits{'alter_table_dropcol'}= 0;
$limits{'group_func_extra_std'} = 0; # Have group function std().
$limits{'func_odbc_mod'} = 0; # Have function mod.
$limits{'func_extra_%'} = 1; # Has % as alias for mod()
$limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 1; # Supports -id
$limits{'func_extra_in_num'} = 0; # Has function in
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
$dbh=$self->connect();
$sth = $dbh->prepare('SELECT @@version') or die $DBI::errstr;
$version="Sybase (unknown)"; if ($sth->execute && (@row = $sth->fetchrow_array))
{
$version=$row[0];
}
$sth->finish;
$dbh->disconnect;
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0 , AutoCommit => 1}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$nr);
# # Do any conversions to the ANSI SQL query so that the database can handle it #
sub query {
my($self,$sql) = @_;
return $sql;
}
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $table.$index";
}
# # Abort if the server has crashed # return: 0 if ok # 1 question should be retried #
sub abort_if_fatal_error
{
return 0;
}
sub small_rollback_segment
{
return 0;
}
sub reconnect_on_errors
{
return 0;
}
sub fix_for_insert
{
my ($self,$cmd) = @_;
return $cmd;
}
# # optimize the tables .... # WARNING (from walrus)! This sub will work only from DBD:sybase # driver. Because if we use ODBC we don't know actual database name # (but DSN name only)
sub vacuum
{
my ($self,$full_vacuum,$dbh_ref)=@_;
my ($loop_time,$end_time,$dbh);
if (defined($full_vacuum))
{
$$dbh_ref->disconnect; $$dbh_ref= $self->connect();
}
$dbh=$$dbh_ref;
$loop_time=new Benchmark;
my (@tables,$sth,$current_table,$current_base);
$dbh->do("dump tran $database with truncate_only");
$sth=$dbh->prepare("sp_tables" ) or die "prepare";
$sth->execute() or die "execute"; while (@row = $sth->fetchrow_array()) {
$current_table = $row[2];
$current_base = $row[0];
next if ($current_table =~ /^sys/);
push(@tables,$current_table) if ($database == $current_base);
}
$limits{'max_conditions'} = 50; # (Actually not a limit)
$limits{'max_columns'} = 254; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 2000; # Limit for blob test-connect
$limits{'query_size'} = 65525; # Max size with default buffers.
$limits{'max_index'} = 16; # Max number of keys
$limits{'max_index_parts'} = 16; # Max segments/key
$limits{'max_column_name'} = 32; # max table and column name
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 0; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'select_without_from'}= 0;
$limits{'multi_drop'} = 0;
$limits{'subqueries'} = 1;
$limits{'left_outer_join'} = 0; # This may be fixed in the query module
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can't use group functions in HAVING
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 1;
$limits{'alter_table'} = 1;
$limits{'alter_add_multi_col'}= 2; #Have ALTER TABLE t add a int, b int;
$limits{'alter_table_dropcol'}= 1;
$limits{'group_func_extra_std'} = 0; # Have group function std().
$limits{'func_odbc_mod'} = 0; # Oracle has problem with mod()
$limits{'func_extra_%'} = 0; # Has % as alias for mod()
$limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 1; # Supports -id
$limits{'func_extra_in_num'} = 1; # Has function in
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
$dbh=$self->connect();
$sth = $dbh->prepare("SELECT KERNEL FROM VERSIONS") or die $DBI::errstr;
$version="Adabas (unknown)"; if ($sth->execute && (@row = $sth->fetchrow_array)
&& $row[0] =~ /([\d\.]+)/)
{
$version="Adabas $1";
}
$sth->finish;
$dbh->disconnect;
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. # # If one uses $main::opt_fast then one is allowed to use # non standard types to get better speed. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$ind,@keys);
foreach $ind (@$index)
{
my @index; if ( $ind =~ /\bKEY\b/i ){
push(@keys,"ALTER TABLE $table_name ADD $ind");
}else{
my @fields = split(' ',$index);
my $query="CREATE INDEX $fields[1] ON $table_name $fields[2]";
push(@index,$query);
}
}
substr($query,-1)=")"; # Remove last ',';
push(@queries,$query,@keys,@index); #print "query:$query\n";
return @queries;
}
sub insert_file {
my($self,$dbname, $file) = @_;
print "insert an ascii file isn't supported by Oracle (?)\n";
return 0;
}
# # Do any conversions to the ANSI SQL query so that the database can handle it #
sub query {
my($self,$sql) = @_;
return $sql;
}
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $index";
}
# # Abort if the server has crashed # return: 0 if ok # 1 question should be retried #
sub abort_if_fatal_error
{
return 0;
}
sub small_rollback_segment
{
return 0;
}
sub reconnect_on_errors
{
return 0;
}
sub fix_for_insert
{
my ($self,$cmd) = @_;
return $cmd;
}
############################################################################# # Configuration for IBM DB2 #############################################################################
package db_db2;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
$limits{'max_conditions'} = 418; # We get 'Query is too complex'
$limits{'max_columns'} = 500; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 254; # Max size with default buffers.
$limits{'query_size'} = 254; # Max size with default buffers.
$limits{'max_index'} = 48; # Max number of keys
$limits{'max_index_parts'} = 15; # Max segments/key
$limits{'max_column_name'} = 18; # max table and column name
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 0; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'}= 1;
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'select_without_from'}= 0; # Can do 'select 1';
$limits{'multi_drop'} = 0; # Drop table can take many tables
$limits{'subqueries'} = 1; # Supports sub-queries.
$limits{'left_outer_join'} = 1; # Supports left outer joins
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can't use group functions in HAVING
$limits{'like_with_column'} = 0; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 0; # Can use 'GROUP BY 1'
$limits{'alter_table'} = 1;
$limits{'alter_add_multi_col'}= 0;
$limits{'alter_table_dropcol'}= 0;
$limits{'group_func_extra_std'} = 0; # Have group function std().
$limits{'func_odbc_mod'} = 1; # Have function mod.
$limits{'func_extra_%'} = 0; # Has % as alias for mod()
$limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 1; # Supports -id
$limits{'func_extra_in_num'} = 0; # Has function in
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
return "IBM DB2 5"; #DBI/ODBC can't return the server version
}
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user, $main::opt_password) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. #
sub create
{
my($self,$table_name,$fields,$index) = @_;
my($query,@queries,$nr);
$limits{'max_conditions'} = 9999; # (Actually not a limit)
$limits{'max_columns'} = 252; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 15000; # Max size with default buffers.
$limits{'query_size'} = 1000000; # Max size with default buffers.
$limits{'max_index'} = 32; # Max number of keys
$limits{'max_index_parts'} = 16; # Max segments/key
$limits{'max_column_name'} = 128; # max table and column name
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 1; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'select_without_from'}= 0; # Cannot do 'select 1';
$limits{'multi_drop'} = 0; # Drop table cannot take many tables
$limits{'subqueries'} = 1; # Supports sub-queries.
$limits{'left_outer_join'} = 1; # Supports left outer joins
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can use group functions in HAVING
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 0; # Cannot use 'GROUP BY 1'
$limits{'alter_table'} = 1; # Have ALTER TABLE
$limits{'alter_add_multi_col'}= 0; # Have ALTER TABLE t add a int,add b int;
$limits{'alter_table_dropcol'}= 1; # Have ALTER TABLE DROP column
$limits{'insert_multi_value'} = 0; # Does not have INSERT ... values (1,2),(3,4)
$limits{'multi_distinct'} = 0; # Does not allow select count(distinct a),count(distinct b)..
$limits{'group_func_extra_std'} = 0; # Does not have group function std().
$limits{'func_odbc_mod'} = 1; # Have function mod.
$limits{'func_extra_%'} = 0; # Does not have % as alias for mod()
$limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Does not have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 1; # Supports -id
$limits{'func_extra_in_num'} = 1; # Has function in
$limits{'limit'} = 0; # Does not support the limit attribute
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 1;
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 0;
$limits{'working_all_fields'} = 1;
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
# # Connection with optional disabling of logging #
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. # # If one uses $main::opt_fast then one is allowed to use # non standard types to get better speed. #
sub create
{
my($self,$table_name,$fields,$index,$options) = @_;
my($query,@queries,@indexes);
$limits{'max_conditions'} = 9999; # (Actually not a limit)
$limits{'max_columns'} = 252; # Max number of columns in table
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 15000; # Max size with default buffers.
$limits{'query_size'} = 1000000; # Max size with default buffers.
$limits{'max_index'} = 65000; # Max number of keys
$limits{'max_index_parts'} = 8; # Max segments/key
$limits{'max_column_name'} = 128; # max table and column name
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 0; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
$limits{'group_distinct_functions'}= 1; # Have count(distinct)
$limits{'select_without_from'}= 0; # Cannot do 'select 1';
$limits{'multi_drop'} = 0; # Drop table cannot take many tables
$limits{'subqueries'} = 1; # Supports sub-queries.
$limits{'left_outer_join'} = 1; # Supports left outer joins
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 1; # Can use group functions in HAVING
$limits{'like_with_column'} = 0; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 0; # Cannot use 'GROUP BY 1'
$limits{'alter_table'} = 1; # Have ALTER TABLE
$limits{'alter_add_multi_col'}= 1; # Have ALTER TABLE t add a int,add b int;
$limits{'alter_table_dropcol'}= 1; # Have ALTER TABLE DROP column
$limits{'insert_multi_value'} = 0; # Does not have INSERT ... values (1,2),(3,4)
$limits{'group_func_extra_std'} = 0; # Does not have group function std().
$limits{'func_odbc_mod'} = 0; # Have function mod.
$limits{'func_extra_%'} = 0; # Does not have % as alias for mod()
$limits{'func_odbc_floor'} = 0; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Does not have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 0; # Supports -id
$limits{'func_extra_in_num'} = 0; # Has function in
$limits{'limit'} = 0; # Does not support the limit attribute
$limits{'working_blobs'} = 1; # If big varchar/blobs works
$limits{'order_by_unused'} = 1;
$limits{'working_all_fields'} = 1;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
# # Connection with optional disabling of logging #
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0, AutoCommit => 1}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. # # If one uses $main::opt_fast then one is allowed to use # non standard types to get better speed. #
sub create
{
my($self,$table_name,$fields,$index,$options) = @_;
my($query,@queries,@keys,@indexes);
$limits{'max_conditions'} = 5427; # (Actually not a limit) # The following should be 8192, but is smaller because Frontbase crashes..
$limits{'max_columns'} = 150; # Max number of columns in table
$limits{'max_tables'} = 5000; # 10000 crashed FrontBase
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 65000; # Max size with default buffers.
$limits{'query_size'} = 8000000; # Max size with default buffers.
$limits{'max_index'} = 38; # Max number of keys
$limits{'max_index_parts'} = 20; # Max segments/key
$limits{'max_column_name'} = 128; # max table and column name
$limits{'join_optimizer'} = 1; # Can optimize FROM tables
$limits{'load_data_infile'} = 1; # Has load data infile
$limits{'lock_tables'} = 0; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-)
$limits{'group_functions'} = 1; # Have group functions
$limits{'group_distinct_functions'}= 0; # Have count(distinct)
$limits{'select_without_from'}= 0;
$limits{'multi_drop'} = 0; # Drop table cannot take many tables
$limits{'subqueries'} = 1; # Supports sub-queries.
$limits{'left_outer_join'} = 1; # Supports left outer joins
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING
$limits{'having_with_group'} = 0; # Can use group functions in HAVING
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
$limits{'group_by_position'} = 0; # Use of 'GROUP BY 1'
$limits{'alter_table'} = 1; # Have ALTER TABLE
$limits{'alter_add_multi_col'}= 0; # Have ALTER TABLE t add a int,add b int;
$limits{'alter_table_dropcol'}= 0; # Have ALTER TABLE DROP column
$limits{'insert_multi_value'} = 1;
$limits{'group_func_extra_std'} = 0; # Does not have group function std().
$limits{'func_odbc_mod'} = 0; # Have function mod.
$limits{'func_extra_%'} = 0; # Does not have % as alias for mod()
$limits{'func_odbc_floor'} = 0; # Has func_odbc_floor function
$limits{'func_extra_if'} = 0; # Does not have function if.
$limits{'column_alias'} = 1; # Alias for fields in select statement.
$limits{'NEG'} = 1; # Supports -id
$limits{'func_extra_in_num'} = 0; # Has function in
$limits{'limit'} = 0; # Does not support the limit attribute
$limits{'insert_select'} = 0;
$limits{'order_by_unused'} = 0;
# We don't get an error for duplicate row in 'test-insert'
$limits{'unique_index'} = 0; # Unique index works or not # We can't use a blob as a normal string (we got a weird error)
$limits{'working_blobs'} = 0; # 'select min(region),max(region) from bench1' kills the server after a while
$limits{'group_func_sql_min_str'} = 0; # If you do select f1,f2,f3...f200 from table, Frontbase dies.
$limits{'working_all_fields'} = 0;
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
# # Connection with optional disabling of logging #
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'},
$main::opt_user,
$main::opt_password,
{ PrintError => 0 , 'fb_host'=>$main::opt_host
}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
$db->{AutoCommit}=1; # $dbh->do("SET OPTION LOG_OFF=1,UPDATE_LOG=0");
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. # # If one uses $main::opt_fast then one is allowed to use # non standard types to get better speed. #
sub create
{
my($self,$table_name,$fields,$index,$options) = @_;
my($query,@queries,@indexes,@keys);
$limits{'max_conditions'} = 9999; # (Actually not a limit) *
$limits{'max_columns'} = 1023; # Max number of columns in table *
$limits{'max_tables'} = 65000; # Should be big enough * unlimited actually
$limits{'max_temporary_tables'}= $limits{"max_tables"};
$limits{'max_text_size'} = 15000; # Max size with default buffers.
$limits{'query_size'} = 64*1024; # Max size with default buffers. *64 kb by default. May be set by system variable
$limits{'max_index'} = 510; # Max number of keys *
$limits{'max_index_parts'} = 16; # Max segments/key *
$limits{'max_column_name'} = 32; # max table and column name *
$limits{'join_optimizer'} = 1; # Can optimize FROM tables *
$limits{'load_data_infile'} = 0; # Has load data infile *
$limits{'lock_tables'} = 1; # Has lock tables
$limits{'functions'} = 1; # Has simple functions (+/-) *
$limits{'group_functions'} = 1; # Have group functions *
$limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings *
$limits{'group_distinct_functions'}= 1; # Have count(distinct) *
$limits{'select_without_from'}= 0; # Cannot do 'select 1'; *
$limits{'multi_drop'} = 0; # Drop table cannot take many tables *
$limits{'subqueries'} = 1; # Supports sub-queries. *
$limits{'left_outer_join'} = 1; # Supports left outer joins *
$limits{'table_wildcard'} = 1; # Has SELECT table_name.*
$limits{'having_with_alias'} = 0; # Can use aliases in HAVING *
$limits{'having_with_group'} = 1; # Can use group functions in HAVING *
$limits{'like_with_column'} = 1; # Can use column1 LIKE column2 *
$limits{'order_by_position'} = 1; # Can use 'ORDER BY 1' *
$limits{'group_by_position'} = 0; # Cannot use 'GROUP BY 1' *
$limits{'alter_table'} = 1; # Have ALTER TABLE *
$limits{'alter_add_multi_col'}= 1; # Have ALTER TABLE t add a int,add b int; *
$limits{'alter_table_dropcol'}= 1; # Have ALTER TABLE DROP column *
$limits{'insert_multi_value'} = 0; # INSERT ... values (1,2),(3,4) *
$limits{'group_func_extra_std'} = 0; # Does not have group function std().
$limits{'func_odbc_mod'} = 0; # Have function mod. *
$limits{'func_extra_%'} = 0; # Does not have % as alias for mod() *
$limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function *
$limits{'func_extra_if'} = 0; # Does not have function if. *
$limits{'column_alias'} = 1; # Alias for fields in select statement. *
$limits{'NEG'} = 1; # Supports -id *
$limits{'func_extra_in_num'} = 0; # Has function in *
$limits{'limit'} = 0; # Does not support the limit attribute *
$limits{'working_blobs'} = 1; # If big varchar/blobs works *
$limits{'order_by_unused'} = 1; #
$limits{'working_all_fields'} = 1; #
$limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
return $self;
}
# # Get the version number of the database #
sub version
{
my ($self)=@_;
my ($dbh,$sth,$version,@row);
$dbh=$self->connect();
$sth = $dbh->prepare("SELECT KERNEL FROM VERSIONS") or die $DBI::errstr;
$version="SAP DB (unknown)"; if ($sth->execute && (@row = $sth->fetchrow_array)
&& $row[0] =~ /([\d\.]+)/)
{
$version=$row[0];
$version =~ s/KERNEL/SAP DB/i;
}
$sth->finish;
$dbh->disconnect;
$version .= "/ODBC"if ($self->{'data_source'} =~ /:ODBC:/);
return $version;
}
# # Connection with optional disabling of logging #
sub connect
{
my ($self)=@_;
my ($dbh);
$dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
$main::opt_password,{ PrintError => 0, AutoCommit => 1}) ||
die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
return $dbh;
}
# # Returns a list of statements to create a table # The field types are in ANSI SQL format. #
sub create
{
my($self,$table_name,$fields,$index,$options) = @_;
my($query,@queries,$nr);
my @index;
my @keys;
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