#
# dbi.pl: DBI (mysql/pgsql/sqlite) database frontend.
# Author: dms
-# Version: v0.2c (19991224)
+# Version: v0.9a (20021124)
# Created: 19991203
# Notes: based on db_mysql.pl
+# overhauled to be 31337.
#
use strict;
package main;
+eval {
+
+ # This wrapper's sole purpose in life is to keep the dbh connection open.
+ package Bloot::DBI;
+
+ # These are DBI methods which do not require an active DB
+ # connection. [Eg, don't check to see if the database is working
+ # by pinging it for these methods.]
+ my %no_ping;
+ @no_ping{qw(ping err err_str quote disconnect clone)} = (1) x 6;
+
+ sub new {
+ my $class = shift;
+ my $dbh = shift;
+ return undef unless $dbh;
+ $class = ref($class) if ref($class);
+ my $self = { dbh => $dbh };
+ bless $self, $class;
+ return $self;
+ }
+
+ our $AUTOLOAD;
+
+ sub AUTOLOAD {
+ my $method = $AUTOLOAD;
+ my $self = shift;
+ die "Undefined subroutine $method called" unless defined $self;
+ ($method) = $method =~ /([^\:]+)$/;
+ unshift @_, $self->{dbh};
+ return undef if not defined $self->{dbh};
+ goto &{ $self->{dbh}->can($method) }
+ if exists $no_ping{$method} and $no_ping{$method};
+ my $ping_count = 0;
+
+ while ( ++$ping_count < 10 ) {
+ last if $self->{dbh}->ping;
+ $self->{dbh}->disconnect;
+ $self->{dbh} = $self->{dbh}->clone;
+ }
+ if ( $ping_count >= 10 and not $self->{dbh}->ping ) {
+ &ERROR('Tried real hard but was unable to reconnect');
+ return undef;
+ }
+ $_[0] = $self->{dbh};
+ my $coderef = $self->{dbh}->can($method);
+ goto &$coderef if defined $coderef;
+
+ # Dumb DBI doesn't have a can method for some
+ # functions. Like func.
+ shift;
+ return eval "\$self->{dbh}->$method(\@_)" or die $@;
+ }
+ 1;
+};
+
#####
-# &openDB($dbname, $dbtype, $sqluser, $sqlpass, $nofail);
-sub openDB {
- my ($db, $type, $user, $pass, $no_fail) = @_;
+# &sqlOpenDB($dbname, $dbtype, $sqluser, $sqlpass, $nofail);
+sub sqlOpenDB {
+ my ( $db, $type, $user, $pass, $no_fail ) = @_;
+
# this is a mess. someone fix it, please.
- if ($type =~ /^SQLite$/i) {
- $db = "dbname=$db.sqlite";
- } elsif ($type =~ /^pg/i) {
- $db = "dbname=$db";
- $type = "Pg";
+ if ( $type =~ /^SQLite(2)?$/i ) {
+ $db = "dbname=$db.sqlite";
+ }
+ elsif ( $type =~ /^pg/i ) {
+ $db = "dbname=$db";
+ $type = 'Pg';
}
- my $dsn = "DBI:$type:$db";
- my $hoststr = "";
+ my $dsn = "DBI:$type:$db";
+ my $hoststr = '';
+
# SQLHost should be unset for SQLite
- if (exists $param{'SQLHost'} and $param{'SQLHost'}) {
- $dsn .= ":$param{SQLHost}";
- $hoststr = " to $param{'SQLHost'}";
+ if ( exists $param{'SQLHost'} and $param{'SQLHost'} ) {
+
+ # PostgreSQL requires ';' and keyword 'host'. See perldoc Pg -- troubled
+ if ( $type eq 'Pg' ) {
+ $dsn .= ";host=$param{SQLHost}";
+ }
+ else {
+ $dsn .= ":$param{SQLHost}";
+ }
+ $hoststr = " to $param{'SQLHost'}";
}
+
# SQLite ignores $user and $pass
- $dbh = DBI->connect($dsn, $user, $pass);
+ $dbh = Bloot::DBI->new( DBI->connect( $dsn, $user, $pass ) );
- if ($dbh && !$dbh->err) {
- &status("Opened $type connection$hoststr");
- } else {
- &ERROR("cannot connect$hoststr.");
- &ERROR("since $type is not available, shutting down bot!");
- &ERROR( $dbh->errstr ) if ($dbh);
- &closePID();
- &closeSHM($shm);
- &closeLog();
+ if ( $dbh && !$dbh->err ) {
+ &status("Opened $type connection$hoststr");
+ }
+ else {
+ &ERROR("Cannot connect$hoststr.");
+ &ERROR("Since $type is not available, shutting down bot!");
+ &ERROR( $dbh->errstr ) if ($dbh);
+ &closePID();
+ &closeSHM($shm);
+ &closeLog();
- return 0 if ($no_fail);
+ return 0 if ($no_fail);
- exit 1;
+ exit 1;
}
}
-sub closeDB {
+sub sqlCloseDB {
return 0 unless ($dbh);
my $x = $param{SQLHost};
- my $hoststr = ($x) ? " to $x" : "";
+ my $hoststr = ($x) ? " to $x" : '';
&status("Closed DBI connection$hoststr.");
$dbh->disconnect();
}
#####
-# Usage: &dbQuote($str);
-sub dbQuote {
- return $dbh->quote($_[0]);
+# Usage: &sqlQuote($str);
+sub sqlQuote {
+ return $dbh->quote( $_[0] );
}
#####
-# Usage: &dbGet($table, $select, $where);
-sub dbGet {
- my ($table, $select, $where) = @_;
- my $query = "SELECT $select FROM $table";
- $query .= " WHERE $where" if ($where);
+# Usage: &sqlSelectMany($table, $select, [$where_href], [$other]);
+# Return: $sth (Statement handle object)
+sub sqlSelectMany {
+ my ( $table, $select, $where_href, $other ) = @_;
+ my $query = "SELECT $select FROM $table";
+ my $sth;
- if (!defined $select or $select =~ /^\s*$/) {
- &WARN("dbGet: select == NULL.");
- return;
+ if ( !defined $select or $select =~ /^\s*$/ ) {
+ &WARN('sqlSelectMany: select == NULL.');
+ return;
}
- if (!defined $table or $table =~ /^\s*$/) {
- &WARN("dbGet: table == NULL.");
- return;
+ if ( !defined $table or $table =~ /^\s*$/ ) {
+ &WARN('sqlSelectMany: table == NULL.');
+ return;
}
- my $sth;
- if (!($sth = $dbh->prepare($query))) {
- &ERROR("Get: prepare: $DBI::errstr");
- return;
+ if ($where_href) {
+ my $where = &hashref2where($where_href);
+ $query .= " WHERE $where" if ($where);
}
+ $query .= " $other" if ($other);
- &SQLDebug($query);
- if (!$sth->execute) {
- &ERROR("Get: execute: '$query'");
- $sth->finish;
- return 0;
+ if ( !( $sth = $dbh->prepare($query) ) ) {
+ &ERROR("sqlSelectMany: prepare: $DBI::errstr");
+ return;
}
- my @retval = $sth->fetchrow_array;
+ &SQLDebug($query);
- $sth->finish;
+ return if ( !$sth->execute );
- if (scalar @retval > 1) {
- return @retval;
- } elsif (scalar @retval == 1) {
- return $retval[0];
- } else {
- return;
- }
+ return $sth;
}
#####
-# Usage: &dbGetCol($table, $select, $where, [$type]);
-sub dbGetCol {
- my ($table, $select, $where, $type) = @_;
- my $query = "SELECT $select FROM $table";
- $query .= " WHERE ".$where if ($where);
- my %retval;
-
- my $sth = $dbh->prepare($query);
- &SQLDebug($query);
- if (!$sth->execute) {
- &ERROR("GetCol: execute: '$query'");
- $sth->finish;
- return;
- }
-
- if (defined $type and $type == 2) {
- &DEBUG("dbgetcol: type 2!");
- while (my @row = $sth->fetchrow_array) {
- $retval{$row[0]} = join(':', $row[1..$#row]);
- }
- &DEBUG("dbgetcol: count => ".scalar(keys %retval) );
-
- } elsif (defined $type and $type == 1) {
- while (my @row = $sth->fetchrow_array) {
- # reverse it to make it easier to count.
- if (scalar @row == 2) {
- $retval{$row[1]}{$row[0]} = 1;
- } elsif (scalar @row == 3) {
- $retval{$row[1]}{$row[0]} = 1;
- }
- # what to do if there's only one or more than 3?
- }
-
- } else {
- while (my @row = $sth->fetchrow_array) {
- $retval{$row[0]} = $row[1];
- }
+# Usage: &sqlSelect($table, $select, [$where_href, [$other]);
+# Return: scalar if one element, array if list of elements.
+# Note: Suitable for one column returns, that is, one column in $select.
+# Todo: Always return array?
+sub sqlSelect {
+ my $sth = &sqlSelectMany(@_);
+ if ( !defined $sth ) {
+ &WARN('sqlSelect failed.');
+ return;
}
-
+ my @retval = $sth->fetchrow_array;
$sth->finish;
- return %retval;
+ if ( scalar @retval > 1 ) {
+ return @retval;
+ }
+ elsif ( scalar @retval == 1 ) {
+ return $retval[0];
+ }
+ else {
+ return;
+ }
}
#####
-# Usage: &dbGetColNiceHash($table, $select, $where);
-sub dbGetColNiceHash {
- my ($table, $select, $where) = @_;
- $select ||= "*";
- my $query = "SELECT $select FROM $table";
- $query .= " WHERE ".$where if ($where);
- my %retval;
+# Usage: &sqlSelectColArray($table, $select, [$where_href], [$other]);
+# Return: array.
+sub sqlSelectColArray {
+ my $sth = &sqlSelectMany(@_);
+ my @retval;
- my $sth;
- if (!($sth = $dbh->prepare($query))) {
- &ERROR("GetColNiceHash: prepare: $DBI::errstr");
- return;
- }
- &SQLDebug($query);
- if (!$sth->execute) {
- &ERROR("GetColNiceHash: execute: '$query'");
-# &ERROR("GetCol => $DBI::errstr");
- $sth->finish;
- return;
+ if ( !defined $sth ) {
+ &WARN('sqlSelect failed.');
+ return;
}
- %retval = $sth->fetchrow_hashref();
-
+ while ( my @row = $sth->fetchrow_array ) {
+ push( @retval, $row[0] );
+ }
$sth->finish;
- return %retval;
+ return @retval;
}
-####
-# Usage: &dbGetColInfo($table);
-sub dbGetColInfo {
- my ($table) = @_;
-
- my $query = "SHOW COLUMNS from $table";
- if ($param{DBType} =~ /^pg/i) {
- $query = "SELECT * FROM $table LIMIT 1";
+#####
+# Usage: &sqlSelectColHash($table, $select, [$where_href], [$other], [$type]);
+# Return: type = 1: $retval{ col2 }{ col1 } = 1;
+# Return: no type: $retval{ col1 } = col2;
+# Note: does not support $other, yet.
+sub sqlSelectColHash {
+ my ( $table, $select, $where_href, $other, $type ) = @_;
+ my $sth = &sqlSelectMany( $table, $select, $where_href, $other );
+ if ( !defined $sth ) {
+ &WARN('sqlSelectColhash failed.');
+ return;
}
-
my %retval;
- my $sth = $dbh->prepare($query);
- &SQLDebug($query);
- if (!$sth->execute) {
- &ERROR("GRI => '$query'");
- &ERROR("GRI => $DBI::errstr");
- $sth->finish;
- return;
- }
+ if ( defined $type and $type == 2 ) {
+ &DEBUG('sqlSelectColHash: type 2!');
+ while ( my @row = $sth->fetchrow_array ) {
+ $retval{ $row[0] } = join( ':', $row[ 1 .. $#row ] );
+ }
+ &DEBUG( 'sqlSelectColHash: count => ' . scalar( keys %retval ) );
- my @cols;
- while (my @row = $sth->fetchrow_array) {
- push(@cols, $row[0]);
}
- $sth->finish;
+ elsif ( defined $type and $type == 1 ) {
+ while ( my @row = $sth->fetchrow_array ) {
- return @cols;
-}
+ # reverse it to make it easier to count.
+ if ( scalar @row == 2 ) {
+ $retval{ $row[1] }{ $row[0] } = 1;
+ }
+ elsif ( scalar @row == 3 ) {
+ $retval{ $row[1] }{ $row[0] } = 1;
+ }
-##### NOTE: not used yet.
-# Usage: &dbSelectHashref($select, $from, $where, $other)
-sub dbSelectHashref {
- my $c = dbSelectManyHash(@_);
- my $H = $c->fetchrow_hashref;
- $c->finish;
- return $H;
-}
+ # what to do if there's only one or more than 3?
+ }
-##### NOTE: not used yet.
-# Usage: &dbSelectHashref($select, $from, $where, $other)
-sub dbSelectManyHash {
- my($select, $from, $where, $other) = @_;
- my $sql;
+ }
+ else {
+ while ( my @row = $sth->fetchrow_array ) {
+ $retval{ $row[0] } = $row[1];
+ }
+ }
- $sql = "SELECT $select ";
- $sql .= "FROM $from " if $from;
- $sql .= "WHERE $where " if $where;
- $sql .= "$other" if $other;
+ $sth->finish;
-# sqlConnect();
- my $c = $dbh->prepare($sql);
- # $c->execute or print "\n<P><B>SQL Hashref Error</B><BR>\n";
+ return %retval;
+}
- unless ($c->execute) {
-# apacheLog($sql);
- #kill 9,$$;
- }
+#####
+# Usage: &sqlSelectRowHash($table, $select, [$where_href]);
+# Return: $hash{ col } = value;
+# Note: useful for returning only one/first row of data.
+sub sqlSelectRowHash {
+ my $sth = &sqlSelectMany(@_);
+ if ( !defined $sth ) {
+ &WARN('sqlSelectRowHash failed.');
+ return;
+ }
+ my $retval = $sth->fetchrow_hashref();
+ $sth->finish;
- return $c;
+ if ($retval) {
+ return %{$retval};
+ }
+ else {
+ return;
+ }
}
+#
+# End of SELECT functions.
+#
#####
-# Usage: &dbSet($table, $primhash_ref, $hash_ref);
-# Note: dbSet does dbQuote.
-sub dbSet {
- my ($table, $phref, $href) = @_;
- my $where = join(' AND ', map {
- $_."=".&dbQuote($phref->{$_})
- } keys %{$phref}
- );
-
- if (!defined $phref) {
- &WARN("dbset: phref == NULL.");
- return;
- }
+# Usage: &sqlSet($table, $where_href, $data_href);
+# Return: 1 for success, undef for failure.
+sub sqlSet {
+ my ( $table, $where_href, $data_href ) = @_;
- if (!defined $href) {
- &WARN("dbset: href == NULL.");
- return;
+ if ( !defined $table or $table =~ /^\s*$/ ) {
+ &WARN('sqlSet: table == NULL.');
+ return;
}
- if (!defined $table) {
- &WARN("dbset: table == NULL.");
- return;
+ if ( !defined $data_href or ref($data_href) ne 'HASH' ) {
+ &WARN('sqlSet: data_href == NULL.');
+ return;
}
- my $result = &dbGet($table, join(',', keys %{$phref}), $where);
+ # any column can be NULL... so just get them all.
+ my $k = join( ',', keys %{$where_href} );
+ my $result = &sqlSelect( $table, $k, $where_href );
- my(@keys,@vals);
- foreach (keys %{$href}) {
- push(@keys, $_);
- push(@vals, &dbQuote($href->{$_}) );
- }
+ # &DEBUG('result is not defined :(') if (!defined $result);
- if (!@keys or !@vals) {
- &WARN("dbset: keys or vals is NULL.");
- return;
+ # this was hardwired to use sqlUpdate. sqlite does not do inserts on sqlUpdate.
+ if ( defined $result ) {
+ &sqlUpdate( $table, $data_href, $where_href );
}
+ else {
- my $query;
- if (defined $result) {
- my @keyval;
- for(my$i=0; $i<scalar @keys; $i++) {
- push(@keyval, $keys[$i]."=".$vals[$i] );
- }
+ # hack.
+ my %hash = %{$where_href};
- $query = "UPDATE $table SET ".
- join(', ', @keyval).
- " WHERE ".$where;
- } else {
- foreach (keys %{$phref}) {
- push(@keys, $_);
- push(@vals, &dbQuote($phref->{$_}) );
- }
+ # add data_href values...
+ foreach ( keys %{$data_href} ) {
+ $hash{$_} = ${$data_href}{$_};
+ }
- $query = sprintf("INSERT INTO $table (%s) VALUES (%s)",
- join(',',@keys), join(',',@vals) );
+ $data_href = \%hash;
+ &sqlInsert( $table, $data_href );
}
- &dbRaw("Set", $query);
-
return 1;
}
#####
-# Usage: &dbUpdate($table, $primkey, $primval, %hash);
-# Note: dbUpdate does dbQuote.
-sub dbUpdate {
- my ($table, $primkey, $primval, %hash) = @_;
- my (@array);
+# Usage: &sqlUpdate($table, $data_href, $where_href);
+sub sqlUpdate {
+ my ( $table, $data_href, $where_href ) = @_;
- foreach (keys %hash) {
- push(@array, "$_=".&dbQuote($hash{$_}) );
+ if ( !defined $data_href or ref($data_href) ne 'HASH' ) {
+ &WARN('sqlSet: data_href == NULL.');
+ return 0;
}
- &dbRaw("Update", "UPDATE $table SET ".join(', ', @array).
- " WHERE $primkey=".&dbQuote($primval)
- );
+ my $where = &hashref2where($where_href) if ($where_href);
+ my $update = &hashref2update($data_href) if ($data_href);
+
+ &sqlRaw( 'Update', "UPDATE $table SET $update WHERE $where" );
return 1;
}
#####
-# Usage: &dbInsert($table, $primkey, %hash);
-# Note: dbInsert does dbQuote.
-sub dbInsert {
- my ($table, $primkey, %hash, $delay) = @_;
- my (@keys, @vals);
- my $p = "";
+# Usage: &sqlInsert($table, $data_href, $other);
+sub sqlInsert {
+ my ( $table, $data_href, $other ) = @_;
+
+# note: if $other == 1, add 'DELAYED' to function instead.
+# note: ^^^ doesnt actually do anything lol. Need code to s/1/DELAYED/ below -- troubled
- if ($delay) {
- &DEBUG("dbI: delay => $delay");
- $p = " DELAYED";
+ if ( !defined $data_href or ref($data_href) ne 'HASH' ) {
+ &WARN('sqlInsert: data_href == NULL.');
+ return;
}
- foreach (keys %hash) {
- push(@keys, $_);
- push(@vals, &dbQuote( $hash{$_} ));
+ my ( $k_aref, $v_aref ) = &hashref2array($data_href);
+ my @k = @{$k_aref};
+ my @v = @{$v_aref};
+
+ if ( !@k or !@v ) {
+ &WARN('sqlInsert: keys or vals is NULL.');
+ return;
}
- &dbRaw("Insert($table)", "INSERT $p INTO $table (".join(',',@keys).
- ") VALUES (".join(',',@vals).")"
+ &sqlRaw(
+ "Insert($table)",
+ sprintf(
+ 'INSERT %s INTO %s (%s) VALUES (%s)',
+ ( $other || '' ),
+ $table,
+ join( ',', @k ),
+ join( ',', @v )
+ )
);
return 1;
}
#####
-# Usage: &dbReplace($table, $key, %hash);
-# Note: dbReplace does optional dbQuote.
-sub dbReplace {
- my ($table, $key, %hash) = @_;
- my (@keys, @vals);
-
- foreach (keys %hash) {
- if (s/^-//) { # as is.
- push(@keys, $_);
- push(@vals, $hash{'-'.$_});
- } else {
- push(@keys, $_);
- push(@vals, &dbQuote( $hash{$_} ));
- }
- }
-
- # hrm... does pgsql support REPLACE?
- # if not, well... fuck it.
- &dbRaw("Replace($table)", "REPLACE INTO $table (".join(',',@keys).
- ") VALUES (". join(',',@vals). ")"
- );
+# Usage: &sqlReplace($table, $data_href, [$pkey]);
+sub sqlReplace {
+ my ( $table, $data_href, $pkey ) = @_;
+
+ if ( !defined $data_href or ref($data_href) ne 'HASH' ) {
+ &WARN('sqlReplace: data_href == NULL.');
+ return;
+ }
+
+ my ( $k_aref, $v_aref ) = &hashref2array($data_href);
+ my @k = @{$k_aref};
+ my @v = @{$v_aref};
+
+ if ( !@k or !@v ) {
+ &WARN('sqlReplace: keys or vals is NULL.');
+ return;
+ }
+
+ if ( $param{'DBType'} =~ /^pgsql$/i ) {
+
+# OK, heres the scoop. There is currently no REPLACE INTO in Pgsql.
+# However, the bot already seems to search for factoids before insert
+# anyways. Perhaps we could change this to a generic INSERT INTO so
+# we can skip the seperate sql? -- troubled to: TimRiker
+# PGSql syntax: UPDATE table SET key = 'value', key2 = 'value2' WHERE key = 'value'
+
+ # &sqlRaw("Replace($table)", sprintf(
+ # 'INSERT INTO %s (%s) VALUES (%s)',
+ # $table, join(',',@k), join(',',@v)
+ # ));
+ &WARN(
+ "DEBUG: ($pkey = ) "
+ . sprintf(
+ 'REPLACE INTO %s (%s) VALUES (%s)',
+ $table,
+ join( ',', @k ),
+ join( ',', @v )
+ )
+ );
+
+ }
+ else {
+ &sqlRaw(
+ "Replace($table)",
+ sprintf(
+ 'REPLACE INTO %s (%s) VALUES (%s)',
+ $table,
+ join( ',', @k ),
+ join( ',', @v )
+ )
+ );
+ }
return 1;
}
#####
-# Usage: &dbSetRow($table, $vref, $delay);
-# Note: dbSetRow does dbQuote.
-sub dbSetRow ($@$) {
- my ($table, $vref, $delay) = @_;
- my $p = ($delay) ? " DELAYED " : "";
+# Usage: &sqlDelete($table, $where_href);
+sub sqlDelete {
+ my ( $table, $where_href ) = @_;
- # see 'perldoc perlreftut'
- my @values;
- foreach (@{ $vref }) {
- push(@values, &dbQuote($_) );
+ if ( !defined $where_href or ref($where_href) ne 'HASH' ) {
+ &WARN('sqlDelete: where_href == NULL.');
+ return;
}
- if (!scalar @values) {
- &WARN("dbSetRow: values array == NULL.");
- return;
- }
+ my $where = &hashref2where($where_href);
- return &dbRaw("SetRow", "INSERT $p INTO $table VALUES (".
- join(",", @values) .")" );
-}
-
-#####
-# Usage: &dbDel($table, $primkey, $primval, [$key]);
-# Note: dbDel does dbQuote
-sub dbDel {
- my ($table, $primkey, $primval, $key) = @_;
-
- &dbRaw("Del", "DELETE FROM $table WHERE $primkey=".
- &dbQuote($primval)
- );
+ &sqlRaw( 'Delete', "DELETE FROM $table WHERE $where" );
return 1;
}
-# Usage: &dbRaw($prefix,$rawquery);
-sub dbRaw {
- my ($prefix,$query) = @_;
+#####
+# Usage: &sqlRaw($prefix, $query);
+# Return: 1 for success, 0 for failure.
+sub sqlRaw {
+ my ( $prefix, $query ) = @_;
my $sth;
- if (!($sth = $dbh->prepare($query))) {
- &ERROR("Raw($prefix): !prepare => '$query'");
- return 0;
+ if ( !defined $query or $query =~ /^\s*$/ ) {
+ &WARN('sqlRaw: query == NULL.');
+ return 0;
+ }
+
+ if ( !( $sth = $dbh->prepare($query) ) ) {
+ &ERROR("Raw($prefix): !prepare => '$query'");
+ return 0;
}
&SQLDebug($query);
- if (!$sth->execute) {
- &ERROR("Raw($prefix): !execute => '$query'");
- $sth->finish;
- return 0;
+ if ( !$sth->execute ) {
+ &ERROR("Raw($prefix): !execute => '$query'");
+ $sth->finish;
+ return 0;
}
$sth->finish;
return 1;
}
-# Usage: &dbRawReturn($rawquery);
-sub dbRawReturn {
+#####
+# Usage: &sqlRawReturn($query);
+# Return: array.
+sub sqlRawReturn {
my ($query) = @_;
my @retval;
+ my $sth;
+
+ if ( !defined $query or $query =~ /^\s*$/ ) {
+ &WARN('sqlRawReturn: query == NULL.');
+ return 0;
+ }
+
+ if ( !( $sth = $dbh->prepare($query) ) ) {
+ &ERROR("RawReturn: !prepare => '$query'");
+ return 0;
+ }
- my $sth = $dbh->prepare($query);
&SQLDebug($query);
- # what happens when it can't execute it? does it throw heaps more
- # error lines? if so. follow dbRaw()'s style.
- &ERROR("RawReturn => '$query'.") unless $sth->execute;
- while (my @row = $sth->fetchrow_array) {
- push(@retval, $row[0]);
+ if ( !$sth->execute ) {
+ &ERROR("RawReturn: !execute => '$query'");
+ $sth->finish;
+ return 0;
+ }
+
+ while ( my @row = $sth->fetchrow_array ) {
+ push( @retval, $row[0] );
}
+
$sth->finish;
return @retval;
####################################################################
##### Misc DBI stuff...
#####
+sub hashref2where {
+ my ($href) = @_;
+
+ if ( !defined $href ) {
+ &WARN('hashref2where: href == NULL.');
+ return;
+ }
+
+ if ( ref($href) ne 'HASH' ) {
+ &WARN("hashref2where: href is not HASH ref (href => $href)");
+ return;
+ }
+
+ my %hash = %{$href};
+ foreach ( keys %hash ) {
+ my $v = $hash{$_};
+
+ if (s/^-//) { # as is.
+ $hash{$_} = $v;
+ delete $hash{ '-' . $_ };
+ }
+ else {
+ $hash{$_} = &sqlQuote($v);
+ }
+ }
+
+ return join( ' AND ', map { $_ . '=' . $hash{$_} } keys %hash );
+}
+
+sub hashref2update {
+ my ($href) = @_;
+
+ if ( ref($href) ne 'HASH' ) {
+ &WARN('hashref2update: href is not HASH ref.');
+ return;
+ }
+
+ my %hash;
+ foreach ( keys %{$href} ) {
+ my $k = $_;
+ my $v = ${$href}{$_};
+
+ # is there a better way to do this?
+ if ( $k =~ s/^-// ) { # as is.
+ 1;
+ }
+ else {
+ $v = &sqlQuote($v);
+ }
+
+ $hash{$k} = $v;
+ }
+
+ return join( ', ', map { $_ . '=' . $hash{$_} } sort keys %hash );
+}
+
+sub hashref2array {
+ my ($href) = @_;
+
+ if ( ref($href) ne 'HASH' ) {
+ &WARN('hashref2update: href is not HASH ref.');
+ return;
+ }
+
+ my ( @k, @v );
+ foreach ( keys %{$href} ) {
+ my $k = $_;
+ my $v = ${$href}{$_};
+
+ # is there a better way to do this?
+ if ( $k =~ s/^-// ) { # as is.
+ 1;
+ }
+ else {
+ $v = &sqlQuote($v);
+ }
+
+ push( @k, $k );
+ push( @v, $v );
+ }
+
+ return ( \@k, \@v );
+}
#####
# Usage: &countKeys($table, [$col]);
sub countKeys {
- my ($table, $col) = @_;
- $col ||= "*";
- &DEBUG("&countKeys($table, $col);");
+ my ( $table, $col ) = @_;
+ $col ||= '*';
- return (&dbRawReturn("SELECT count($col) FROM $table"))[0];
+ return ( &sqlRawReturn("SELECT count($col) FROM $table") )[0];
}
#####
# Usage: &sumKey($table, $col);
sub sumKey {
- my ($table, $col) = @_;
+ my ( $table, $col ) = @_;
- return (&dbRawReturn("SELECT sum($col) FROM $table"))[0];
+ return ( &sqlRawReturn("SELECT sum($col) FROM $table") )[0];
}
#####
# Usage: &randKey($table, $select);
sub randKey {
- my ($table, $select) = @_;
- my $rand = int(rand(&countKeys($table) - 1));
- my $query = "SELECT $select FROM $table LIMIT $rand,1";
- if ($param{DBType} =~ /^pg/i) {
- $query =~ s/$rand,1/1,$rand/;
- }
+ my ( $table, $select ) = @_;
+ my $rand = int( rand( &countKeys($table) ) );
+ my $query = "SELECT $select FROM $table LIMIT 1 OFFSET $rand";
+ if ( $param{DBType} =~ /^mysql$/i ) {
- my $sth = $dbh->prepare($query);
+ # WARN: only newer MySQL supports 'LIMIT limit OFFSET offset'
+ $query = "SELECT $select FROM $table LIMIT $rand,1";
+ }
+ my $sth = $dbh->prepare($query);
&SQLDebug($query);
&WARN("randKey($query)") unless $sth->execute;
- my @retval = $sth->fetchrow_array;
+ my @retval = $sth->fetchrow_array;
$sth->finish;
return @retval;
#####
# Usage: &deleteTable($table);
sub deleteTable {
- &dbRaw("deleteTable($_[0])", "DELETE FROM $_[0]");
+ &sqlRaw( "deleteTable($_[0])", "DELETE FROM $_[0]" );
}
#####
# Usage: &searchTable($table, $select, $key, $str);
-# Note: searchTable does dbQuote.
+# Note: searchTable does sqlQuote.
sub searchTable {
- my($table, $select, $key, $str) = @_;
+ my ( $table, $select, $key, $str ) = @_;
my $origStr = $str;
my @results;
# allow two types of wildcards.
- if ($str =~ /^\^(.*)\$$/) {
- &DEBUG("searchTable: should use dbGet(), heh.");
- $str = $1;
- } else {
- $str .= "%" if ($str =~ s/^\^//);
- $str = "%".$str if ($str =~ s/\$$//);
- $str = "%".$str."%" if ($str eq $origStr); # el-cheapo fix.
+ if ( $str =~ /^\^(.*)\$$/ ) {
+ &FIXME("searchTable: can't do \"$str\"");
+ $str = $1;
+ }
+ else {
+ $str .= '%' if ( $str =~ s/^\^// );
+ $str = '%' . $str if ( $str =~ s/\$$// );
+ $str = '%' . $str . '%' if ( $str eq $origStr ); # el-cheapo fix.
}
$str =~ s/\_/\\_/g;
- $str =~ s/\?/_/g; # '.' should be supported, too.
+ $str =~ s/\?/_/g; # '.' should be supported, too.
$str =~ s/\*/%/g;
+
# end of string fix.
- my $query = "SELECT $select FROM $table WHERE $key LIKE ".
- &dbQuote($str);
- my $sth = $dbh->prepare($query);
+ my $query = "SELECT $select FROM $table WHERE $key LIKE " . &sqlQuote($str);
+ my $sth = $dbh->prepare($query);
&SQLDebug($query);
- if (!$sth->execute) {
- &WARN("Search($query)");
- $sth->finish;
- return;
+ if ( !$sth->execute ) {
+ &WARN("Search($query)");
+ $sth->finish;
+ return;
}
- while (my @row = $sth->fetchrow_array) {
- push(@results, $row[0]);
+ while ( my @row = $sth->fetchrow_array ) {
+ push( @results, $row[0] );
}
$sth->finish;
return @results;
}
-sub dbCreateTable {
- my($table) = @_;
- my(@path) = ($bot_data_dir, ".","..","../..");
- my $found = 0;
+sub sqlCreateTable {
+ my ( $table, $dbtype ) = @_;
+ my (@path) = ( $bot_data_dir, '.', '..', '../..' );
+ my $found = 0;
my $data;
+ $dbtype = lc $dbtype;
foreach (@path) {
- my $file = "$_/setup/$table.sql";
- &DEBUG("dbCT: table => '$table', file => '$file'");
- next unless ( -f $file );
-
- &DEBUG("dbCT: found!!!");
+ my $file = "$_/setup/$dbtype/$table.sql";
+ next unless ( -f $file );
- open(IN, $file);
- while (<IN>) {
- chop;
- $data .= $_;
- }
+ open( IN, $file );
+ while (<IN>) {
+ chop;
+ next if $_ =~ /^--/;
+ $data .= $_;
+ }
- $found++;
- last;
+ $found++;
+ last;
}
- if (!$found) {
- return 0;
- } else {
- &dbRaw("dbcreateTable($table)", $data);
- return 1;
+ if ( !$found ) {
+ return 0;
+ }
+ else {
+ &sqlRaw( "sqlCreateTable($table)", $data );
+ return 1;
}
}
my $database_exists = 0;
my %db;
- if ($param{DBType} =~ /^mysql$/i) {
- my $sql = "SHOW DATABASES";
- foreach ( &dbRawReturn($sql) ) {
- $database_exists++ if ($_ eq $param{'DBName'});
- }
+ if ( $param{DBType} =~ /^mysql$/i ) {
+ my $sql = 'SHOW DATABASES';
+ foreach ( &sqlRawReturn($sql) ) {
+ $database_exists++ if ( $_ eq $param{'DBName'} );
+ }
+
+ unless ($database_exists) {
+ &status("Creating database $param{DBName}...");
+ my $query = "CREATE DATABASE $param{DBName}";
+ &sqlRaw( "create(db $param{DBName})", $query );
+ }
+
+ # retrieve a list of db's from the server.
+ my @tables = map { s/^\`//; s/\`$//; $_; } $dbh->func('_ListTables');
+ if ( $#tables == -1 ) {
+ @tables = $dbh->tables;
+ }
+ &status( 'Tables: ' . join( ',', @tables ) );
+ @db{@tables} = (1) x @tables;
+
+ }
+ elsif ( $param{DBType} =~ /^SQLite(2)?$/i ) {
+
+ # retrieve a list of db's from the server.
+ foreach (
+ &sqlRawReturn("SELECT name FROM sqlite_master WHERE type='table'") )
+ {
+ $db{$_} = 1;
+ }
+
+ # create database not needed for SQLite
+
+ }
+ elsif ( $param{DBType} =~ /^pgsql$/i ) {
- unless ($database_exists) {
- &status("Creating database $param{DBName}...");
- my $query = "CREATE DATABASE $param{DBName}";
- &dbRaw("create(db $param{DBName})", $query);
- }
+ # $sql_showDB = SQL to select the DB list
+ # $sql_showTBL = SQL to select all tables for the current connection
- # retrieve a list of db's from the server.
- foreach ($dbh->func('_ListTables')) {
- $db{$_} = 1;
- }
+ my $sql_showDB = 'SELECT datname FROM pg_database';
+ my $sql_showTBL = "SELECT tablename FROM pg_tables \
+ WHERE schemaname = 'public'";
- } elsif ($param{DBType} =~ /^SQLite$/i) {
+ foreach ( &sqlRawReturn($sql_showDB) ) {
+ $database_exists++ if ( $_ eq $param{'DBName'} );
+ }
- # retrieve a list of db's from the server.
- foreach ( &dbRawReturn("SELECT name FROM sqlite_master WHERE type='table'") ) {
- $db{$_} = 1;
- }
+ unless ($database_exists) {
+ &status("Creating PostgreSQL database $param{'DBName'}");
+ &status('(actually, not really, please read the INSTALL file)');
+ }
- # create database.
- if (!scalar keys %db) {
- &status("Creating database $param{'DBName'}...");
- my $query = "CREATE DATABASE $param{'DBName'}";
- &dbRaw("create(db $param{'DBName'})", $query);
- }
+# retrieve a list of db's from the server. This code is from mysql above, please check -- troubled
+ my @tables = map { s/^\`//; s/\`$//; $_; } &sqlRawReturn($sql_showTBL);
+ if ( $#tables == -1 ) {
+ @tables = $dbh->tables;
+ }
+ &status( 'Tables: ' . join( ',', @tables ) );
+ @db{@tables} = (1) x @tables;
}
- foreach ( qw(factoids freshmeat rootwarn seen stats botmail) ) {
- next if (exists $db{$_});
- &status("checkTables: creating new table $_...");
+ foreach (qw(botmail connections factoids rootwarn seen stats onjoin)) {
+ if ( exists $db{$_} ) {
+ $cache{has_table}{$_} = 1;
+ next;
+ }
+
+ &status("checkTables: creating new table $_...");
- &dbCreateTable($_);
+ $cache{create_table}{$_} = 1;
+
+ &sqlCreateTable( $_, $param{DBType} );
}
}
1;
+
+# vim:ts=4:sw=4:expandtab:tw=80