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1 | package DBIx::Class::Storage::DBI::Informix; |
2 | use strict; |
3 | use warnings; |
4 | |
5 | use base qw/DBIx::Class::Storage::DBI/; |
6 | |
7 | use mro 'c3'; |
8 | |
9 | __PACKAGE__->mk_group_accessors('simple' => '__last_insert_id'); |
10 | |
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11 | =head1 NAME |
12 | |
13 | DBIx::Class::Storage::DBI::Informix - Base Storage Class for Informix Support |
14 | |
15 | =head1 DESCRIPTION |
16 | |
17 | This class implements storage-specific support for the Informix RDBMS |
18 | |
19 | =head1 METHODS |
20 | |
21 | =cut |
22 | |
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23 | sub _execute { |
24 | my $self = shift; |
25 | my ($op) = @_; |
26 | my ($rv, $sth, @rest) = $self->next::method(@_); |
27 | if ($op eq 'insert') { |
28 | $self->__last_insert_id($sth->{ix_sqlerrd}[1]); |
29 | } |
30 | return (wantarray ? ($rv, $sth, @rest) : $rv); |
31 | } |
32 | |
33 | sub last_insert_id { |
34 | shift->__last_insert_id; |
35 | } |
36 | |
37 | sub _sql_maker_opts { |
38 | my ( $self, $opts ) = @_; |
39 | |
40 | if ( $opts ) { |
41 | $self->{_sql_maker_opts} = { %$opts }; |
42 | } |
43 | |
44 | return { limit_dialect => 'SkipFirst', %{$self->{_sql_maker_opts}||{}} }; |
45 | } |
46 | |
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47 | sub _svp_begin { |
48 | my ($self, $name) = @_; |
49 | |
50 | $self->_get_dbh->do("SAVEPOINT $name"); |
51 | } |
52 | |
53 | # can't release savepoints |
54 | sub _svp_release { 1 } |
55 | |
56 | sub _svp_rollback { |
57 | my ($self, $name) = @_; |
58 | |
59 | $self->_get_dbh->do("ROLLBACK TO SAVEPOINT $name") |
60 | } |
61 | |
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62 | =head2 connect_call_datetime_setup |
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63 | |
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64 | Used as: |
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65 | |
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66 | on_connect_call => 'datetime_setup' |
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67 | |
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68 | In L<connect_info|DBIx::Class::Storage::DBI/connect_info> to set the C<DATE> and |
69 | C<DATETIME> formats. |
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70 | |
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71 | Sets the following environment variables: |
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72 | |
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73 | GL_DATE="%m/%d/%Y" |
74 | GL_DATETIME="%Y-%m-%d %H:%M:%S%F5" |
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75 | |
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76 | The C<DBDATE> and C<DBCENTURY> environment variables are cleared. |
77 | |
78 | B<NOTE:> setting the C<GL_DATE> environment variable seems to have no effect |
79 | after the process has started, so the default format is used. The C<GL_DATETIME> |
80 | setting does take effect however. |
81 | |
82 | The C<DATETIME> data type supports up to 5 digits after the decimal point for |
83 | second precision, depending on how you have declared your column. The full |
84 | possible precision is used. |
85 | |
86 | The column declaration for a C<DATETIME> with maximum precision is: |
87 | |
88 | column_name DATETIME YEAR TO FRACTION(5) |
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89 | |
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90 | The C<DATE> data type stores the date portion only, and it B<MUST> be declared |
91 | with: |
92 | |
93 | data_type => 'date' |
94 | |
95 | in your Result class. |
96 | |
97 | You will need the L<DateTime::Format::Strptime> module for inflation to work. |
98 | |
99 | =cut |
100 | |
101 | sub connect_call_datetime_setup { |
102 | my $self = shift; |
103 | |
104 | delete @ENV{qw/DBDATE DBCENTURY/}; |
105 | |
106 | $ENV{GL_DATE} = "%m/%d/%Y"; |
107 | $ENV{GL_DATETIME} = "%Y-%m-%d %H:%M:%S%F5"; |
108 | } |
109 | |
110 | sub datetime_parser_type { |
111 | 'DBIx::Class::Storage::DBI::Informix::DateTime::Format' |
112 | } |
113 | |
114 | package # hide from PAUSE |
115 | DBIx::Class::Storage::DBI::Informix::DateTime::Format; |
116 | |
117 | my $timestamp_format = '%Y-%m-%d %H:%M:%S.%5N'; # %F %T |
118 | my $date_format = '%m/%d/%Y'; |
119 | |
120 | my ($timestamp_parser, $date_parser); |
121 | |
122 | sub parse_datetime { |
123 | shift; |
124 | require DateTime::Format::Strptime; |
125 | $timestamp_parser ||= DateTime::Format::Strptime->new( |
126 | pattern => $timestamp_format, |
127 | on_error => 'croak', |
128 | ); |
129 | return $timestamp_parser->parse_datetime(shift); |
130 | } |
131 | |
132 | sub format_datetime { |
133 | shift; |
134 | require DateTime::Format::Strptime; |
135 | $timestamp_parser ||= DateTime::Format::Strptime->new( |
136 | pattern => $timestamp_format, |
137 | on_error => 'croak', |
138 | ); |
139 | return $timestamp_parser->format_datetime(shift); |
140 | } |
141 | |
142 | sub parse_date { |
143 | shift; |
144 | require DateTime::Format::Strptime; |
145 | $date_parser ||= DateTime::Format::Strptime->new( |
146 | pattern => $date_format, |
147 | on_error => 'croak', |
148 | ); |
149 | return $date_parser->parse_datetime(shift); |
150 | } |
151 | |
152 | sub format_date { |
153 | shift; |
154 | require DateTime::Format::Strptime; |
155 | $date_parser ||= DateTime::Format::Strptime->new( |
156 | pattern => $date_format, |
157 | on_error => 'croak', |
158 | ); |
159 | return $date_parser->format_datetime(shift); |
160 | } |
161 | |
162 | 1; |
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163 | |
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164 | =head1 AUTHOR |
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165 | |
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166 | See L<DBIx::Class/AUTHOR> and L<DBIx::Class/CONTRIBUTORS>. |
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167 | |
168 | =head1 LICENSE |
169 | |
170 | You may distribute this code under the same terms as Perl itself. |
171 | |
172 | =cut |