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269
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1 package IMPL::SQL::Schema::Traits::MysqlFormatter;
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2 use strict;
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3
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4 sub quote{
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5 my $self = shift;
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6
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7 if (wantarray) {
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8 return map { my $str=$_; $str=~ s/'/''/g; "'$str'"; } @_;
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9 } else {
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10 return join '',map { my $str=$_; $str=~ s/'/''/g; "'$str'"; } @_;
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11 }
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12 }
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13
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14 sub quote_names {
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15 my $self = shift;
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16
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17 if (wantarray) {
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18 return map { my $str=$_; $str=~ s/`/``/g; "`$str`"; } @_;
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19 } else {
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20 return join '',map { my $str=$_; $str=~ s/`/``/g; "`$str`"; } @_;
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21 }
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22 }
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23
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24 sub FormatTypeName {
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25 my ($self,$type) = @_;
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26
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27 }
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28
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29 sub FormatValue {
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30 my ($self,$value,$type) = @_;
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31 }
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32
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33 sub FormatColumn {
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34 my ($self, $column) = @_;
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35
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36 my @parts = (
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37 $self->quote_names($column->{name}),
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38 $self->FormatTypeName($column->{type}),
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39 $column->isNullable ? 'NULL' : 'NOT NULL'
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40 );
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41
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42 push @parts, $self->FormatValue( $column->{defaultValue}, $column->{type} )
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43 if $column->{defaultValue};
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44
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45 push @parts, 'AUTO_INCREMENT'
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46 if $column->{tag} and $column->{tag}->{auto_increment};
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47
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48 return join ' ', @parts;
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49 }
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50
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51 sub FormatCreateTable {
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52 my ($self,$op) = @_;
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53
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54 my $table = $op->table;
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55
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56 my @lines;
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57
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58 push @lines, "CREATE TABLE (";
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59
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60 push @lines, map { " " . $self->FormatColumn($_) } @{$table->{columns}}
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61 if $table->{columns};
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62
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63 push @lines, ");";
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64
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65 return join "\n",@lines;
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66 }
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67
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68 sub FormatDropTable {
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69 my ($self,$op) = @_;
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70
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71 return join ' ',
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72 'DROP TABLE',
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73 $self->quote_names($op->{tableName}),
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74 ';';
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75 }
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76
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77 sub FormatRenameTable {
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78 my ($self,$op) = @_;
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79
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80 return join ' ',
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81 'ALTER TABLE',
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82 $self->quote_names($op->{tableName}),
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83 'RENAME TO',
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84 $self->quote_names($op->{tableNewName}),
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85 ';';
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86 }
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87
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88 sub FormatAlterTableAddColumn {
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89 my ($this,$op,$schema) = @_;
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90
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91 my @parts;
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92
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93 $schema->GetTable($op->{tableName})
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94 }
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95
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96 1; |
