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Generate SQL statements from database
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| #!/usr/bin/perl | |
| use strict; | |
| use warnings; | |
| use DBI; | |
| my @tables = ( 'chart', 'curr', 'defaults' ); | |
| my $output_file = 'RMADE_DEU_Basiskontenplan-chart.sql'; | |
| my $db_name = 'ledger28'; | |
| my $db_host = 'localhost'; | |
| my $db_user = 'sql-ledger'; | |
| my $db_pass = ''; | |
| my $dbh = DBI->connect( | |
| "dbi:Pg:dbname=$db_name;host=$db_host", | |
| $db_user, $db_pass, | |
| { | |
| RaiseError => 1, | |
| PrintError => 0, | |
| } | |
| ); | |
| open( my $output_fh, '>', $output_file ) or die "Could not open $output_file: $!"; | |
| foreach my $table (@tables) { | |
| my $stmt = $dbh->prepare("SELECT * FROM $table"); | |
| $stmt->execute(); | |
| my @columns; | |
| for my $col_info ( @{ $stmt->{NAME_lc} } ) { | |
| push @columns, $col_info unless $col_info eq 'id'; | |
| } | |
| while ( my $row = $stmt->fetchrow_hashref() ) { | |
| my @values = map { defined $row->{$_} ? "'$row->{$_}'" : 'NULL' } @columns; | |
| my $columns_str = join( ', ', @columns ); | |
| my $values_str = join( ', ', @values ); | |
| my $insert_sql = "INSERT INTO $table ($columns_str) VALUES ($values_str);"; | |
| print $output_fh "$insert_sql\n"; | |
| } | |
| } | |
| close $output_fh; | |
| $dbh->disconnect; | |
| print "SQL statements generated and saved to $output_file\n"; | |
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