1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
|
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.addons,v 1.2 2008/12/29 17:07:05 meskes Exp $ */
ECPG: stmtClosePortalStmt block
{
if (INFORMIX_MODE)
{
if (pg_strcasecmp($1+strlen("close "), "database") == 0)
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for close database statement\n");
fprintf(yyout, "{ ECPGdisconnect(__LINE__, \"CURRENT\");");
whenever_action(2);
free($1);
break;
}
}
output_statement($1, 0, ECPGst_normal);
}
ECPG: stmtDeallocateStmt block
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for deallocate statement\n");
output_deallocate_prepare_statement($1);
}
ECPG: stmtDeclareCursorStmt block
{ output_simple_statement($1); }
ECPG: stmtDeleteStmt block
ECPG: stmtDiscardStmt block
ECPG: stmtFetchStmt block
ECPG: stmtInsertStmt block
ECPG: stmtSelectStmt block
ECPG: stmtUpdateStmt block
{ output_statement($1, 1, ECPGst_normal); }
ECPG: stmtExecuteStmt block
{ output_statement($1, 1, ECPGst_execute); }
ECPG: stmtPrepareStmt block
{
if ($1.type == NULL || strlen($1.type) == 0)
output_prepare_statement($1.name, $1.stmt);
else
output_statement(cat_str(5, make_str("prepare"), $1.name, $1.type, make_str("as"), $1.stmt), 0, ECPGst_normal);
}
ECPG: stmtTransactionStmt block
{
fprintf(yyout, "{ ECPGtrans(__LINE__, %s, \"%s\");", connection ? connection : "NULL", $1);
whenever_action(2);
free($1);
}
ECPG: stmtViewStmt rule
| ECPGAllocateDescr
{
fprintf(yyout,"ECPGallocate_desc(__LINE__, %s);",$1);
whenever_action(0);
free($1);
}
| ECPGConnect
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for connect statement\n");
fprintf(yyout, "{ ECPGconnect(__LINE__, %d, %s, %d); ", compat, $1, autocommit);
reset_variables();
whenever_action(2);
free($1);
}
| ECPGCursorStmt
{
output_simple_statement($1);
}
| ECPGDeallocateDescr
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for deallocate statement\n");
fprintf(yyout,"ECPGdeallocate_desc(__LINE__, %s);",$1);
whenever_action(0);
free($1);
}
| ECPGDeclare
{
output_simple_statement($1);
}
| ECPGDescribe
{
fprintf(yyout, "{ ECPGdescribe(__LINE__, %s,", $1);
dump_variables(argsresult, 1);
fputs("ECPGt_EORT);", yyout);
fprintf(yyout, "}");
output_line_number();
free($1);
}
| ECPGDisconnect
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for disconnect statement\n");
fprintf(yyout, "{ ECPGdisconnect(__LINE__, %s);",
$1 ? $1 : "\"CURRENT\"");
whenever_action(2);
free($1);
}
| ECPGExecuteImmediateStmt { output_statement($1, 0, ECPGst_exec_immediate); }
| ECPGFree
{
const char *con = connection ? connection : "NULL";
if (strcmp($1, "all"))
fprintf(yyout, "{ ECPGdeallocate(__LINE__, %d, %s, \"%s\");", compat, con, $1);
else
fprintf(yyout, "{ ECPGdeallocate_all(__LINE__, %d, %s);", compat, con);
whenever_action(2);
free($1);
}
| ECPGGetDescriptor
{
lookup_descriptor($1.name, connection);
output_get_descr($1.name, $1.str);
free($1.name);
free($1.str);
}
| ECPGGetDescriptorHeader
{
lookup_descriptor($1, connection);
output_get_descr_header($1);
free($1);
}
| ECPGOpen
{
struct cursor *ptr;
if ((ptr = add_additional_variables($1, true)) != NULL)
{
connection = ptr->connection ? mm_strdup(ptr->connection) : NULL;
output_statement(mm_strdup(ptr->command), 0, 0);
ptr->opened = true;
}
}
| ECPGSetAutocommit
{
fprintf(yyout, "{ ECPGsetcommit(__LINE__, \"%s\", %s);", $1, connection ? connection : "NULL");
whenever_action(2);
free($1);
}
| ECPGSetConnection
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for set connection statement\n");
fprintf(yyout, "{ ECPGsetconn(__LINE__, %s);", $1);
whenever_action(2);
free($1);
}
| ECPGSetDescriptor
{
lookup_descriptor($1.name, connection);
output_set_descr($1.name, $1.str);
free($1.name);
free($1.str);
}
| ECPGSetDescriptorHeader
{
lookup_descriptor($1, connection);
output_set_descr_header($1);
free($1);
}
| ECPGTypedef
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for typedef statement\n");
fprintf(yyout, "%s", $1);
free($1);
output_line_number();
}
| ECPGVar
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for var statement\n");
output_simple_statement($1);
}
| ECPGWhenever
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "no at option for whenever statement\n");
output_simple_statement($1);
}
ECPG: CopyStmtCOPYopt_binaryqualified_nameopt_column_listopt_oidscopy_fromcopy_file_namecopy_delimiteropt_withcopy_opt_list addon
if (strcmp($6, "to") == 0 && strcmp($7, "stdin") == 0)
mmerror(PARSE_ERROR, ET_ERROR, "copy to stdin not possible\n");
else if (strcmp($6, "from") == 0 && strcmp($7, "stdout") == 0)
mmerror(PARSE_ERROR, ET_ERROR, "copy from stdout not possible\n");
else if (strcmp($6, "from") == 0 && strcmp($7, "stdin") == 0)
mmerror(PARSE_ERROR, ET_WARNING, "copy from stdin not implemented\n");
ECPG: CopyStmtCOPYselect_with_parensTOcopy_file_nameopt_withcopy_opt_list addon
if (strcmp($4, "stdin") == 0)
mmerror(PARSE_ERROR, ET_ERROR, "copy to stdin not possible\n");
ECPG: ConstraintAttributeSpecConstraintDeferrabilitySpecConstraintTimeSpec addon
if (strcmp($1, "deferrable") != 0 && strcmp($2, "initially deferrable") == 0 )
mmerror(PARSE_ERROR, ET_ERROR, "INITIALLY DEFERRED constraint must be DEFERRABLE\n");
ECPG: ConstraintAttributeSpecConstraintTimeSpecConstraintDeferrabilitySpec addon
if (strcmp($2, "deferrable") != 0 && strcmp($1, "initially deferrable") == 0 )
mmerror(PARSE_ERROR, ET_ERROR, "INITIALLY DEFERRED constraint must be DEFERRABLE\n");
ECPG: var_valueNumericOnly addon
ECPG: fetch_directionSignedIconst addon
if ($1[0] == '$')
{
free($1);
$1 = make_str("$0");
}
ECPG: fetch_directionABSOLUTE_PSignedIconst addon
ECPG: fetch_directionRELATIVE_PSignedIconst addon
ECPG: fetch_directionFORWARDSignedIconst addon
ECPG: fetch_directionBACKWARDSignedIconst addon
if ($2[0] == '$')
{
free($2);
$2 = make_str("$0");
}
ECPG: PrepareStmtPREPAREprepared_nameprep_type_clauseASPreparableStmt block
{
$$.name = $2;
$$.type = $3;
$$.stmt = cat_str(3, make_str("\""), $5, make_str("\""));
}
| PREPARE prepared_name FROM execstring
{
$$.name = $2;
$$.type = NULL;
$$.stmt = $4;
}
ECPG: ExecuteStmtEXECUTEprepared_nameexecute_param_clauseexecute_rest block
{ $$ = $2; }
ECPG: DeclareCursorStmtDECLAREnamecursor_optionsCURSORopt_holdFORSelectStmt block
{
struct cursor *ptr, *this;
for (ptr = cur; ptr != NULL; ptr = ptr->next)
{
if (strcmp($2, ptr->name) == 0)
mmerror(PARSE_ERROR, ET_ERROR, "cursor \"%s\" already defined\n", $2);
}
this = (struct cursor *) mm_alloc(sizeof(struct cursor));
this->next = cur;
this->name = $2;
this->connection = connection;
this->opened = false;
this->command = cat_str(7, make_str("declare"), mm_strdup($2), $3, make_str("cursor"), $5, make_str("for"), $7);
this->argsinsert = argsinsert;
this->argsresult = argsresult;
argsinsert = argsresult = NULL;
cur = this;
if (INFORMIX_MODE)
$$ = cat_str(5, adjust_informix(this->argsinsert), adjust_informix(this->argsresult), make_str("/*"), mm_strdup(this->command), make_str("*/"));
else
$$ = cat_str(3, make_str("/*"), mm_strdup(this->command), make_str("*/"));
}
ECPG: opt_hold block
{
if (compat == ECPG_COMPAT_INFORMIX_SE && autocommit == true)
$$ = make_str("with hold");
else
$$ = EMPTY;
}
ECPG: into_clauseINTOOptTempTableName block
{
FoundInto = 1;
$$= cat2_str(make_str("into"), $2);
}
| ecpg_into { $$ = EMPTY; }
ECPG: table_refselect_with_parens addon
mmerror(PARSE_ERROR, ET_ERROR, "sub-SELECT in FROM must have an alias\n");
ECPG: TypenameSimpleTypenameopt_array_bounds block
{ $$ = cat2_str($1, $2.str); }
ECPG: TypenameSETOFSimpleTypenameopt_array_bounds block
{ $$ = $$ = cat_str(3, make_str("setof"), $2, $3.str); }
ECPG: opt_array_boundsopt_array_bounds'['']' block
{
$$.index1 = $1.index1;
$$.index2 = $1.index2;
if (strcmp($$.index1, "-1") == 0)
$$.index1 = make_str("0");
else if (strcmp($1.index2, "-1") == 0)
$$.index2 = make_str("0");
$$.str = cat_str(2, $1.str, make_str("[]"));
}
| opt_array_bounds '[' Iresult ']'
{
$$.index1 = $1.index1;
$$.index2 = $1.index2;
if (strcmp($1.index1, "-1") == 0)
$$.index1 = strdup($3);
else if (strcmp($1.index2, "-1") == 0)
$$.index2 = strdup($3);
$$.str = cat_str(4, $1.str, make_str("["), $3, make_str("]"));
}
ECPG: opt_array_bounds
{
$$.index1 = make_str("-1");
$$.index2 = make_str("-1");
$$.str= EMPTY;
}
ECPG: IconstICONST block
{ $$ = make_name(); }
ECPG: AexprConstNULL_P rule
| civar { $$ = $1; }
| civarind { $$ = $1; }
ECPG: ColIdcol_name_keyword rule
| ECPGKeywords { $$ = $1; }
| ECPGCKeywords { $$ = $1; }
| CHAR_P { $$ = make_str("char"); }
| VALUES { $$ = make_str("values"); }
ECPG: type_function_nametype_func_name_keyword rule
| ECPGKeywords { $$ = $1; }
| ECPGTypeName { $$ = $1; }
| ECPGCKeywords { $$ = $1; }
ECPG: VariableShowStmtSHOWALL block
{
mmerror(PARSE_ERROR, ET_ERROR, "SHOW ALL not implemented\n");
$$ = EMPTY;
}
ECPG: FetchStmtFETCHfetch_directionfrom_inname block
{
add_additional_variables($4, false);
$$ = cat_str(4, make_str("fetch"), $2, $3, $4);
}
ECPG: FetchStmtFETCHname block
{
add_additional_variables($2, false);
$$ = cat_str(2, make_str("fetch"), $2);
}
ECPG: FetchStmtMOVEname rule
| FETCH fetch_direction from_in name ecpg_into
{
add_additional_variables($4, false);
$$ = cat_str(4, make_str("fetch"), $2, $3, $4);
}
| FETCH fetch_direction name ecpg_into
{
add_additional_variables($3, false);
$$ = cat_str(4, make_str("fetch"), $2, make_str("from"), $3);
}
| FETCH from_in name ecpg_into
{
add_additional_variables($3, false);
$$ = cat_str(3, make_str("fetch"), $2, $3);
}
| FETCH name ecpg_into
{
add_additional_variables($2, false);
$$ = cat2_str(make_str("fetch"), $2);
}
| FETCH fetch_direction name
{
add_additional_variables($3, false);
$$ = cat_str(4, make_str("fetch"), $2, make_str("from"), $3);
}
| FETCH from_in name
{
add_additional_variables($3, false);
$$ = cat_str(3, make_str("fetch"), $2, $3);
}
ECPG: SpecialRuleRelationOLD addon
if (!QueryIsRule)
mmerror(PARSE_ERROR, ET_ERROR, "OLD used in non-rule query\n");
ECPG: SpecialRuleRelationNEW addon
if (!QueryIsRule)
mmerror(PARSE_ERROR, ET_ERROR, "NEW used in non-rule query\n");
ECPG: select_limitLIMITselect_limit_value','select_offset_value block
{
mmerror(PARSE_ERROR, ET_WARNING, "no longer supported LIMIT #,# syntax passed to backend");
$$ = cat_str(4, make_str("limit"), $2, make_str(","), $4);
}
ECPG: SignedIconstIconst rule
| civar { $$ = $1; }
|