Commit | Line | Data |
86ee0658 |
1 | package SQL::Translator::Parser::DBI::Sybase; |
2 | |
587a99b0 |
3 | # ------------------------------------------------------------------- |
821a0fde |
4 | # $Id$ |
587a99b0 |
5 | # ------------------------------------------------------------------- |
478f608d |
6 | # Copyright (C) 2002-2009 SQLFairy Authors |
587a99b0 |
7 | # |
8 | # This program is free software; you can redistribute it and/or |
9 | # modify it under the terms of the GNU General Public License as |
10 | # published by the Free Software Foundation; version 2. |
11 | # |
12 | # This program is distributed in the hope that it will be useful, but |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | # General Public License for more details. |
16 | # |
17 | # You should have received a copy of the GNU General Public License |
18 | # along with this program; if not, write to the Free Software |
19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
20 | # 02111-1307 USA |
21 | # ------------------------------------------------------------------- |
86ee0658 |
22 | |
23 | =head1 NAME |
24 | |
25 | SQL::Translator::Parser::DBI::Sybase - parser for DBD::Sybase |
26 | |
27 | =head1 SYNOPSIS |
28 | |
29 | See SQL::Translator::Parser::DBI. |
30 | |
31 | =head1 DESCRIPTION |
32 | |
33 | Uses DBI Catalog Methods. |
34 | |
35 | =cut |
36 | |
37 | use strict; |
38 | use DBI; |
39 | use SQL::Translator::Schema; |
40 | use Data::Dumper; |
41 | |
478f608d |
42 | use vars qw[ $DEBUG @EXPORT_OK ]; |
86ee0658 |
43 | $DEBUG = 0 unless defined $DEBUG; |
44 | |
45 | no strict 'refs'; |
46 | |
47 | # ------------------------------------------------------------------- |
48 | sub parse { |
49 | my ( $tr, $dbh ) = @_; |
50 | |
51 | if ($dbh->{FetchHashKeyName} ne 'NAME_uc') { |
52 | warn "setting dbh attribute {FetchHashKeyName} to NAME_uc"; |
53 | $dbh->{FetchHashKeyName} = 'NAME_uc'; |
54 | } |
55 | |
56 | if ($dbh->{ChopBlanks} != 1) { |
57 | warn "setting dbh attribute {ChopBlanks} to 1"; |
58 | $dbh->{ChopBlanks} = 1; |
59 | } |
60 | |
61 | my $schema = $tr->schema; |
62 | |
63 | my ($sth, @tables, $columns); |
64 | my $stuff; |
65 | |
66 | ### Columns |
67 | |
68 | # it is much quicker to slurp back everything all at once rather |
69 | # than make repeated calls |
70 | |
546dad3b |
71 | $sth = $dbh->column_info(undef, undef, undef, undef); |
86ee0658 |
72 | |
73 | |
74 | foreach my $c (@{$sth->fetchall_arrayref({})}) { |
75 | $columns |
76 | ->{$c->{TABLE_CAT}} |
77 | ->{$c->{TABLE_SCHEM}} |
78 | ->{$c->{TABLE_NAME}} |
79 | ->{columns} |
80 | ->{$c->{COLUMN_NAME}}= $c; |
81 | } |
82 | |
83 | ### Tables and views |
84 | |
85 | # Get a list of the tables and views. |
86 | $sth = $dbh->table_info(); |
87 | @tables = @{$sth->fetchall_arrayref({})}; |
88 | |
89 | my $h = $dbh->selectall_arrayref(q{ |
90 | SELECT o.name, colid,colid2,c.text |
91 | FROM syscomments c |
92 | JOIN sysobjects o |
93 | ON c.id = o.id |
94 | WHERE o.type ='V' |
95 | ORDER BY o.name, |
96 | c.colid, |
97 | c.colid2 |
98 | } |
99 | ); |
100 | |
101 | # View text |
102 | # I had always thought there was something 'hard' about |
e36f4eac |
103 | # reconstructing text from syscomments .. |
86ee0658 |
104 | # this seems to work fine and is certainly not complicated! |
105 | |
106 | foreach (@{$h}) { |
107 | $stuff->{view}->{$_->[0]}->{text} .= $_->[3]; |
108 | } |
109 | |
110 | #### objects with indexes. |
111 | map { |
112 | $stuff->{indexes}->{$_->[0]}++ |
113 | if defined; |
1eb8ea88 |
114 | } @{$dbh->selectall_arrayref("SELECT DISTINCT object_name(id) AS name |
115 | FROM sysindexes |
116 | WHERE indid > 0")}; |
86ee0658 |
117 | |
118 | ## slurp objects |
119 | map { |
120 | $stuff->{$_->[1]}->{$_->[0]} = $_; |
1eb8ea88 |
121 | } @{$dbh->selectall_arrayref("SELECT name,type, id FROM sysobjects")}; |
86ee0658 |
122 | |
123 | |
124 | ### Procedures |
1eb8ea88 |
125 | |
126 | # This gets legitimate procedures by used the 'supported' API: sp_stored_procedures |
127 | map { |
128 | my $n = $_->{PROCEDURE_NAME}; |
129 | $n =~ s/;\d+$//; # Ignore versions for now |
130 | $_->{name} = $n; |
131 | $stuff->{procedures}->{$n} = $_; |
132 | } values %{$dbh->selectall_hashref("sp_stored_procedures", 'PROCEDURE_NAME')}; |
133 | |
134 | |
135 | # And this blasts in the text of 'legit' stored procedures. Do |
136 | # this rather than calling sp_helptext in a loop. |
137 | |
138 | $h = $dbh->selectall_arrayref(q{ |
139 | SELECT o.name, colid,colid2,c.text |
140 | FROM syscomments c |
141 | JOIN sysobjects o |
142 | ON c.id = o.id |
143 | WHERE o.type ='P' |
144 | ORDER BY o.name, |
145 | c.colid, |
146 | c.colid2 |
147 | } |
148 | ); |
149 | |
150 | foreach (@{$h}) { |
151 | $stuff->{procedures}->{$_->[0]}->{text} .= $_->[3] |
152 | if (defined($stuff->{procedures}->{$_->[0]})); |
153 | } |
154 | |
86ee0658 |
155 | ### Defaults |
156 | ### Rules |
157 | ### Bind Defaults |
158 | ### Bind Rules |
159 | |
160 | ### Triggers |
1eb8ea88 |
161 | # Since the 'target' of the trigger is defined in the text, we will |
162 | # just create them independently for now rather than associating them |
163 | # with a table. |
164 | |
165 | $h = $dbh->selectall_arrayref(q{ |
166 | SELECT o.name, colid,colid2,c.text |
167 | FROM syscomments c |
168 | JOIN sysobjects o |
169 | ON c.id = o.id |
170 | JOIN sysobjects o1 |
171 | ON (o.id = o1.instrig OR o.id = o1.deltrig or o.id = o1.updtrig) |
172 | WHERE o.type ='TR' |
173 | ORDER BY o.name, |
174 | c.colid, |
175 | c.colid2 |
176 | } |
177 | ); |
178 | foreach (@{$h}) { |
179 | $stuff->{triggers}->{$_->[0]}->{text} .= $_->[3]; |
180 | } |
86ee0658 |
181 | |
182 | ### References |
183 | ### Keys |
184 | |
185 | ### Types |
1eb8ea88 |
186 | # Not sure what to do with these? |
86ee0658 |
187 | $stuff->{type_info_all} = $dbh->type_info_all; |
188 | |
189 | ### Tables |
190 | # According to the DBI docs, these can be |
191 | |
192 | # "TABLE" |
193 | # "VIEW" |
194 | # "SYSTEM TABLE" |
195 | # "GLOBAL TEMPORARY", |
196 | # "LOCAL TEMPORARY" |
197 | # "ALIAS" |
198 | # "SYNONYM" |
199 | |
200 | foreach my $table_info (@tables) { |
201 | next |
202 | unless (defined($table_info->{TABLE_TYPE})); |
203 | |
204 | if ($table_info->{TABLE_TYPE} =~ /TABLE/) { |
205 | my $table = $schema->add_table( |
206 | name => |
207 | $table_info->{TABLE_NAME}, |
208 | type => |
209 | $table_info->{TABLE_TYPE}, |
210 | ) || die $schema->error; |
211 | |
212 | # find the associated columns |
213 | |
214 | my $cols = |
215 | $columns->{$table_info->{TABLE_QUALIFIER}} |
216 | ->{$table_info->{TABLE_OWNER}} |
217 | ->{$table_info->{TABLE_NAME}} |
218 | ->{columns}; |
219 | |
220 | foreach my $c (values %{$cols}) { |
1eb8ea88 |
221 | my $f = $table->add_field( |
222 | name => $c->{COLUMN_NAME}, |
223 | data_type => $c->{TYPE_NAME}, |
224 | order => $c->{ORDINAL_POSITION}, |
225 | size => $c->{COLUMN_SIZE}, |
86ee0658 |
226 | ) || die $table->error; |
1eb8ea88 |
227 | |
86ee0658 |
228 | $f->is_nullable(1) |
229 | if ($c->{NULLABLE} == 1); |
230 | } |
231 | |
232 | # add in primary key |
233 | my $h = $dbh->selectall_hashref("sp_pkeys |
234 | $table_info->{TABLE_NAME}", 'COLUMN_NAME'); |
235 | if (scalar keys %{$h} > 1) { |
236 | my @c = map { |
237 | $_->{COLUMN_NAME} |
238 | } sort { |
239 | $a->{KEY_SEQ} <=> $b->{KEY_SEQ} |
240 | } values %{$h}; |
241 | |
242 | $table->primary_key(@c) |
243 | if (scalar @c); |
244 | } |
245 | |
246 | # add in any indexes ... how do we tell if the index has |
247 | # already been created as part of a primary key or other |
248 | # constraint? |
249 | |
1eb8ea88 |
250 | if (defined($stuff->{indexes}->{$table_info->{TABLE_NAME}})){ |
86ee0658 |
251 | my $h = $dbh->selectall_hashref("sp_helpindex |
252 | $table_info->{TABLE_NAME}", 'INDEX_NAME'); |
253 | foreach (values %{$h}) { |
254 | my $fields = $_->{'INDEX_KEYS'}; |
255 | $fields =~ s/\s*//g; |
256 | my $i = $table->add_index( |
257 | name => |
258 | $_->{INDEX_NAME}, |
259 | fields => $fields, |
260 | ); |
261 | if ($_->{'INDEX_DESCRIPTION'} =~ /unique/i) { |
262 | $i->type('unique'); |
263 | |
264 | # we could make this a primary key if there |
265 | # isn't already one defined and if there |
266 | # aren't any nullable columns in thisindex. |
267 | |
268 | if (!defined($table->primary_key())) { |
269 | $table->primary_key($fields) |
270 | unless grep { |
271 | $table->get_field($_)->is_nullable() |
272 | } split(/,\s*/, $fields); |
273 | } |
274 | } |
275 | } |
276 | } |
277 | } elsif ($table_info->{TABLE_TYPE} eq 'VIEW') { |
278 | my $view = $schema->add_view( |
279 | name => |
280 | $table_info->{TABLE_NAME}, |
281 | ); |
282 | |
1eb8ea88 |
283 | |
86ee0658 |
284 | my $cols = |
285 | $columns->{$table_info->{TABLE_QUALIFIER}} |
286 | ->{$table_info->{TABLE_OWNER}} |
287 | ->{$table_info->{TABLE_NAME}} |
288 | ->{columns}; |
289 | |
290 | $view->fields(map { |
291 | $_->{COLUMN_NAME} |
292 | } sort { |
293 | $a->{ORDINAL_POSITION} <=> $b->{ORDINAL_POSITION} |
294 | } values %{$cols} |
295 | ); |
296 | |
1eb8ea88 |
297 | $view->sql($stuff->{view}->{$table_info->{TABLE_NAME}}->{text}) |
298 | if (defined($stuff->{view}->{$table_info->{TABLE_NAME}}->{text})); |
86ee0658 |
299 | } |
300 | } |
1eb8ea88 |
301 | |
302 | foreach my $p (values %{$stuff->{procedures}}) { |
303 | my $proc = $schema->add_procedure( |
304 | name => $p->{name}, |
305 | owner => $p->{PROCEDURE_OWNER}, |
306 | comments => $p->{REMARKS}, |
307 | sql => $p->{text}, |
308 | ); |
309 | |
310 | } |
587a99b0 |
311 | |
86ee0658 |
312 | ### Permissions |
313 | ### Groups |
314 | ### Users |
315 | ### Aliases |
316 | ### Logins |
587a99b0 |
317 | return 1; |
86ee0658 |
318 | } |
319 | |
320 | 1; |
321 | |
587a99b0 |
322 | # ------------------------------------------------------------------- |
323 | |
86ee0658 |
324 | =pod |
325 | |
326 | =head1 AUTHOR |
327 | |
587a99b0 |
328 | Paul Harrington E<lt>harringp@deshaw.comE<gt>. |
86ee0658 |
329 | |
330 | =head1 SEE ALSO |
331 | |
332 | DBI, DBD::Sybase, SQL::Translator::Schema. |
333 | |
334 | =cut |