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lib/App/DBBrowser/CreateDropAttach/CreateTable.pm  view on Meta::CPAN

        }
    }
    if ( $dbms eq 'Firebird' ) {
        my $firebird_major_version = $ax->major_server_version();
        if ( $firebird_major_version >= 4 ) {
            return "INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY";
        }
        elsif ( $firebird_major_version >= 3 ) {
            return "INT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY";
        }
    }
    if ( $dbms eq 'DB2' ) {
        return "INT NOT NULL GENERATED ALWAYS AS IDENTITY PRIMARY KEY";
    }
    if ( $dbms eq 'Oracle' ) {
        my $ora_major_server_version = $ax->major_server_version();
        if ( $ora_major_server_version >= 12 ) {
            return "NUMBER GENERATED ALWAYS AS IDENTITY";   # Oracle 12c or greater
        }
    }
    if ( $dbms eq 'MSSQL' ) {
        return "INT IDENTITY(1,1) PRIMARY KEY";
    }
}


sub __edit_column_names {
    my ( $sf, $sql, $column_names ) = @_;
    my $tf = Term::Form->new( $sf->{i}{tf_default} );
    my $ax = App::DBBrowser::Auxil->new( $sf->{i}, $sf->{o}, $sf->{d} );
    my $col_number = 0;
    my $fields = [ map { [ ++$col_number, $_ ] } @$column_names ];
    my $info = $ax->get_sql_info( $sql );
    # Fill_form
    my $form = $tf->fill_form(
        $fields,
        { info => $info, prompt => 'Edit column names:', confirm => $sf->{i}{confirm}, back => $sf->{i}{back} . '   ' }
    );
    $ax->print_sql_info( $info );
    if ( ! defined $form ) {
        return;
    }
    $column_names = [ map { $_->[1] } @$form ];
    $sql->{ct_column_definitions} = $ax->quote_cols( $column_names ); # now quoted
    $sql->{insert_col_names} = [ @{$sql->{ct_column_definitions}} ];  # now quoted
    if ( $sf->{auto_increment} ) {
        shift @{$sql->{insert_col_names}};
    }
    $sql->{ct_table_constraints} = [];
    $sql->{ct_table_options} = [];
    return $column_names;
}


sub __edit_column_types {
    my ( $sf, $sql, $source, $data_types ) = @_;
    my $tf = Term::Form->new( $sf->{i}{tf_default} );
    my $ax = App::DBBrowser::Auxil->new( $sf->{i}, $sf->{o}, $sf->{d} );
    my $dbms = $sf->{i}{dbms};
    my $fields;
    if ( ! %$data_types && $sf->{o}{create}{data_type_guessing} ) {
        $ax->print_sql_info( $ax->get_sql_info( $sql ), 'Column data types: guessing ... ' );
        my $header = $sql->{insert_col_names}; #
        my $table  = $sql->{insert_args};
        my $encoding;
        if ( $sf->{o}{create}{encode_for_data_type_guessing} ) { # MSSQL DB2 Oracle
            $encoding = $source->{source_type} eq 'plain' ? 'locale' : $sf->{o}{insert}{file_encoding};
        }
        my @aoh;
        if ( length $encoding ) {
            for my $row ( @$table ) {
                push @aoh, { map { $header->[$_] => Encode::encode( $encoding, $row->[$_] ) } 0 .. $#$header };
            }
        }
        else {
            for my $row ( @$table ) {
                push @aoh, { map { $header->[$_] => $row->[$_] } 0 .. $#$header };
            }
        }
        require SQL::Type::Guess;
        my $g = SQL::Type::Guess->new();
        $g->guess( @aoh );
        my $tmp = $g->column_type;
        $data_types = { map { $_ => uc( $tmp->{$_} ) } keys %$tmp };
    }
    if ( defined $data_types ) {
        $fields = [ map { [ $_, $data_types->{$_} ] } @{$sql->{insert_col_names}} ];
    }
    else {
        $fields = [ map { [ $_, '' ] } @{$sql->{insert_col_names}} ];
    }
    my $read_only = []; ##
    if ( $sf->{auto_increment} ) {
        unshift @$fields, [ $sql->{ct_column_definitions}[0], $sf->__primary_key_autoincrement_constraint() ];
        $read_only = [ 0 ];
    }
    if ( $dbms =~ /^(?:Pg|DuckDB|Firebird|Informix|Oracle)\z/ ) {
        for my $field ( @$fields ) {
            if ( defined $field->[1] && $field->[1] eq 'DATETIME' ) {
                $field->[1] = 'TIMESTAMP'                 if $dbms =~ /^(?:Pg|DuckDB|Firebird)\z/;
                $field->[1] = 'DATE'                      if $dbms eq 'Oracle';
                $field->[1] = 'DATETIME YEAR TO FRACTION' if $dbms eq 'Informix';
                # Informix: DATETIME largest_qualifier TO smallest_qualifier
            }
        }
    }
    my $constraint_rows = $sf->{o}{create}{table_constraint_rows};
    my $tbl_option_rows = $sf->{o}{create}{table_option_rows};
    my $skip = ' ';
    if ( $constraint_rows ) {
        push @$fields, [ $skip ];
        for my $i ( 0 .. $constraint_rows - 1 ) {
            push @$fields, [ 'Constraint', $sql->{ct_table_constraints}[$i] // '' ];
        }
    }
    if ( $tbl_option_rows ) {
        push @$fields, [ $skip ];
        for my $i ( 0 .. $tbl_option_rows - 1 ) {
            push @$fields, [ 'Tbl Option', $sql->{ct_table_options}[$i] // '' ];
        }
    }
    my $info = $ax->get_sql_info( $sql );
    # Fill_form
    my $filled_form = $tf->fill_form(
        $fields,
        { info => $info, prompt => 'Column data types:', read_only => $read_only,
          confirm => $sf->{i}{confirm}, back => $sf->{i}{back} . '   ' }
    );
    $ax->print_sql_info( $info );
    if ( ! $filled_form ) {
        return;
    }
    if ( $tbl_option_rows ) {
        $sql->{ct_table_options} = [
            grep { length } map { $_->[1] } splice @$filled_form, -$tbl_option_rows, $tbl_option_rows
        ];
        pop @$filled_form;
    }
    if ( $constraint_rows ) {
        $sql->{ct_table_constraints} = [
            grep { length } map { $_->[1] } splice @$filled_form, -$constraint_rows, $constraint_rows
        ];