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server-cfg.sh
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#!/usr/bin/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 02110-1301, 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)
{ $server=new db_MySQL($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: $name\nUse one of: Access, Adabas, AdabasD, Empress, FrontBase, Oracle, Informix, InterBase, DB2, mSQL, Mimer, MS-SQL, MySQL, Pg, Solid, SAPDB or Sybase.\nIf the connection is done trough ODBC the name must end with _ODBC\n";
}
if ($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 $server;
}
sub all_servers
{
return ["Access", "Adabas", "DB2", "Empress", "FrontBase", "Oracle",
"Informix", "InterBase", "Mimer", "mSQL", "MS-SQL", "MySQL", "Pg","SAPDB",
"Solid", "Sybase"];
}
#############################################################################
# First the configuration for MySQL off course :-)
#############################################################################
package db_MySQL;
sub new
{
my ($type,$host,$database,$machine,$socket,$connect_options)= @_;
my $self= {};
my %limits;
bless $self;
$self->{'cmp_name'} = "mysql";
$self->{'data_source'} = "DBI:mysql:database=$database;host=$host";
$self->{'data_source'} .= ";mysql_socket=$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{'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_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_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)
{
$limits{'working_blobs'} = 0; # HEAP tables can't handle BLOB's
}
if (defined($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=ndb/i)
{
$self->{'transactions'} = 1; # Transactions enabled
$limits{'max_columns'} = 90; # Max number of columns in table
$limits{'max_tables'} = 32; # No comments
}
if (defined($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;
$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="MySQL $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");
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);
$query="create table $table_name (";
foreach $field (@$fields)
{
# $field =~ s/ decimal/ double(10,2)/i;
$field =~ s/ big_decimal/ double(10,2)/i;
$query.= $field . ',';
}
foreach $index (@$index)
{
$query.= $index . ',';
}
substr($query,-1)=")"; # Remove last ',';
$query.=" $options" if (defined($options));
$query.=" $main::opt_create_options" if (defined($main::opt_create_options));
push(@queries,$query);
return @queries;
}
sub insert_file {
my ($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;
$self->{'cmp_name'} = "msql";
$self->{'data_source'} = "DBI:mSQL:$database:$host";
$self->{'limits'} = \%limits;
$self->{'double_quotes'} = 0;
$self->{'drop_attr'} = "";
$self->{'transactions'} = 0; # No transactions
$self->{'blob'} = "text(" . $limits{'max_text_size'} .")";
$self->{'text'} = "text(" . $limits{'max_text_size'} .")";
$limits{'max_conditions'} = 74;
$limits{'max_columns'} = 75;
$limits{'max_tables'} = 65000; # Should be big enough
$limits{'max_text_size'} = 32000;
$limits{'query_size'} = 65535;
$limits{'max_index'} = 5;
$limits{'max_index_parts'} = 10;
$limits{'max_column_name'} = 35;
$limits{'join_optimizer'} = 0; # Can't optimize FROM tables
$limits{'load_data_infile'} = 0;
$limits{'lock_tables'} = 0;
$limits{'functions'} = 0;
$limits{'group_functions'} = 0;
$limits{'group_distinct_functions'}= 0; # Have count(distinct)
$limits{'multi_drop'} = 0;
$limits{'select_without_from'}= 0;
$limits{'subqueries'} = 0;
$limits{'left_outer_join'} = 0;
$limits{'table_wildcard'} = 0;
$limits{'having_with_alias'} = 0;
$limits{'having_with_group'} = 0;
$limits{'like_with_column'} = 1;
$limits{'order_by_position'} = 1;
$limits{'group_by_position'} = 1;
$limits{'alter_table'} = 0;
$limits{'alter_add_multi_col'}= 0;
$limits{'alter_table_dropcol'}= 0;
$limits{'group_func_extra_std'} = 0;
$limits{'limit'} = 1; # supports the limit attribute
$limits{'unique_index'} = 1; # Unique index works or not
$limits{'insert_select'} = 0;
$limits{'func_odbc_mod'} = 0;
$limits{'func_extra_%'} = 0;
$limits{'func_odbc_floor'} = 0;
$limits{'func_extra_if'} = 0;
$limits{'column_alias'} = 0;
$limits{'NEG'} = 0;
$limits{'func_extra_in_num'} = 0;
$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 $self;
}
#
# Get the version number of the database
#
sub version
{
my ($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
$limits{'load_data_infile'} = 0;
$limits{'NEG'} = 1;
$limits{'alter_add_multi_col'}= 0; # alter_add_multi_col ?
$limits{'alter_table'} = 1;
$limits{'alter_table_dropcol'}= 0;
$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'} = 5000; # 10000 crashes pg 7.0.2
$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)..
return $self;
}
# couldn't find the option to get the version number
sub version
{
my ($version,$dir);
$version = "PostgreSQL version ???";
foreach $dir ($ENV{'PGDATA'},"/usr/local/pgsql/data", "/usr/local/pg/data")
{
if ($dir && -e "$dir/PG_VERSION")
{
$version= `cat $dir/PG_VERSION`;
if ($? == 0)
{
chomp($version);
$version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
return "PostgreSQL $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 $dbh;
}
sub create
{
my($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/;
# $field =~ s/ decimal/ float/i;
# $field =~ s/ big_decimal/ float/i;
# $field =~ s/ date/ int/i;
# 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)
{
$index =~ s/primary key/unique index primary_key/i;
if ($index =~ /^unique.*\(([^\(]*)\)$/i)
{
# original: $indfield="using btree (" .$1.")";
# using btree doesn´t seem to work with Postgres anymore; it creates
# the table and adds the index, but it isn´t unique
$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>]
print "The ascii files aren't correct for postgres ....!!!\n";
$command = "copy $dbname from '$file' using delimiters ','";
print "$command\n";
$sth = $dbh->do($command) or die $DBI::errstr;
return $sth;
}
#
# As postgreSQL wants A % B instead of standard mod(A,B) we have to map
# This will not handle all cases, but as the benchmarks doesn't use functions
# inside MOD() the following should work
#
# PostgreSQL cant handle count(*) or even count(1), but it can handle
# count(1+1) sometimes. ==> this is solved in PostgreSQL 6.3
#
# PostgreSQL 6.5 is supporting MOD.
sub query {
my($self,$sql) = @_;
my(@select,$change);
# if you use PostgreSQL 6.x and x is lower as 5 then uncomment the line below.
# $sql =~ s/mod\(([^,]*),([^\)]*)\)/\($1 % $2\)/gi;
#
# if you use PostgreSQL 6.1.x uncomment the lines below
# if ($sql =~ /select\s+count\(\*\)\s+from/i) {
# }
# elsif ($sql =~ /count\(\*\)/i)
# {
# if ($sql =~ /select\s+(.*)\s+from/i)
# {
# @select = split(/,/,$1);
# if ($select[0] =~ /(.*)\s+as\s+\w+$/i)
# {
# $change = $1;
# }
# else
# {
# $change = $select[0];
# }
# }
# if (($change =~ /count/i) || ($change eq "")) {
# $change = "1+1";
# }
# $sql =~ s/count\(\*\)/count($change)/gi;
# }
# till here.
return $sql;
}
sub drop_index
{
my ($self,$table,$index) = @_;
return "DROP INDEX $index";
}
sub abort_if_fatal_error
{
return 1 if ($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=$$dbh_ref;
$loop_time=new Benchmark;
if ($#tables >= 0)
{
foreach $table (@tables)
{
$dbh->do("vacuum analyze $table") || die "Got error: $DBI::errstr when executing 'vacuum analyze $table'\n";
$dbh->do("vacuum $table") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
}
}
else
{
# $dbh->do("vacuum pg_attributes") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
# $dbh->do("vacuum pg_index") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
$dbh->do("vacuum analyze") || die "Got error: $DBI::errstr when executing 'vacuum analyze'\n";
$dbh->do("vacuum") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
}
$end_time=new Benchmark;
print "Time for book-keeping (1): " .
Benchmark::timestr(Benchmark::timediff($end_time, $loop_time),"all") . "\n\n";
$dbh->disconnect; $$dbh_ref= $self->connect();
}
#############################################################################
# Definitions for Solid
#############################################################################
package db_Solid;
sub new
{
my ($type,$host,$database)= @_;
my $self= {};
my %limits;
bless $self;
$self->{'cmp_name'} = "solid";
$self->{'data_source'} = "DBI:Solid:";
$self->{'limits'} = \%limits;
$self->{'blob'} = "long varchar";
$self->{'text'} = "long varchar";
$self->{'double_quotes'} = 1;
$self->{'drop_attr'} = "";
$self->{'transactions'} = 1; # Transactions enabled
$limits{'max_conditions'} = 9999; # Probably big enough
$limits{'max_columns'} = 2000; # From crash-me
$limits{'max_tables'} = 65000; # Should be big enough
$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);
$query="create table $table_name (";
foreach $field (@$fields)
{
$field =~ s/mediumint/integer/i;
$field =~ s/ double/ float/i;
# Solid doesn't have blob, it has long varchar
$field =~ s/ blob/ long varchar/;
# $field =~ s/ decimal/ float/i;
# $field =~ s/ big_decimal/ float/i;
# $field =~ s/ date/ int/i;
$query.= $field . ',';
}
substr($query,-1)=")"; # Remove last ',';
push(@queries,$query);
$nr=0;
foreach $index (@$index)
{
if ($index =~ /^primary key/i || $index =~ /^unique/i)
{ # Add to create statement
substr($queries[0],-1,0)="," . $index;
}
else
{
$index =~ /^(.*)\s+(\(.*\))$/;
push(@queries,"create ${1}$nr on $table_name $2");
$nr++;
}
}
return @queries;
}
# there is no sql statement in solid which can do the load from
# an ascii file in the db ... but there is the speedloader program
# an external program which can load the ascii file in the db ...
# the server must be down before using speedloader !!!!
# (in the standalone version)
# it works also with a control file ... that one must be made ....
sub insert_file {
my ($self, $dbname, $file) = @_;