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Commitdb07a3f

Browse files
author
Michael Meskes
committed
- Synced preproc.y with gram.y.
- Include some patches by Christof Petig <christof.petig@wtal.de>.
1 parent0c439e5 commitdb07a3f

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8 files changed

+160
-57
lines changed

8 files changed

+160
-57
lines changed

‎src/interfaces/ecpg/ChangeLog

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1086,3 +1086,8 @@ Wed Jun 13 14:39:12 CEST 2001
10861086
- Applied bug fix by John Summerfield.
10871087
- Set ecpg version to 2.9.0.
10881088
- Set library version to 3.3.0.
1089+
1090+
Son Aug 19 11:04:39 CEST 2001
1091+
1092+
- Synced preproc.y with gram.y.
1093+
- Include some patches by Christof Petig <christof.petig@wtal.de>.

‎src/interfaces/ecpg/lib/descriptor.c

Lines changed: 72 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -65,7 +65,7 @@ get_int_item(int lineno, void *var, enum ECPGttype vartype, int value)
6565
{
6666
switch (vartype)
6767
{
68-
caseECPGt_short:
68+
caseECPGt_short:
6969
*(short*)var= (short)value;
7070
break;
7171
caseECPGt_int:
@@ -143,13 +143,16 @@ ECPGget_desc(int lineno, char *desc_name, int index,...)
143143
va_listargs;
144144
PGresult*ECPGresult=ECPGresultByDescriptor(lineno,desc_name);
145145
enumECPGdtypetype;
146-
boolDataButNoIndicator= false;
146+
boolIndicator_seen= false,
147+
Data_seen= false;
148+
intntuples,act_tuple;
147149

148150
va_start(args,index);
149151
if (!ECPGresult)
150152
return (false);
151153

152-
if (PQntuples(ECPGresult)<1)
154+
ntuples=PQntuples(ECPGresult);
155+
if (ntuples<1)
153156
{
154157
ECPGraise(lineno,ECPG_NOT_FOUND,NULL);
155158
return (false);
@@ -184,10 +187,23 @@ ECPGget_desc(int lineno, char *desc_name, int index,...)
184187
switch (type)
185188
{
186189
case (ECPGd_indicator):
187-
if (!get_int_item(lineno,var,vartype,-PQgetisnull(ECPGresult,0,index)))
188-
return (false);
189-
190-
ECPGlog("ECPGget_desc: INDICATOR = %d\n",-PQgetisnull(ECPGresult,0,index));
190+
/* this is like ECPGexecute
191+
* missing : allocate arrays, perhaps this should go into
192+
* a common function !!
193+
*/
194+
if (ntuples>arrsize)
195+
{ECPGlog("ECPGget_desc line %d: Incorrect number of matches: %d don't fit into array of %d\n",
196+
lineno,ntuples,arrsize);
197+
ECPGraise(lineno,ECPG_TOO_MANY_MATCHES,NULL);
198+
return false;
199+
}
200+
Indicator_seen= true;
201+
for (act_tuple=0;act_tuple<ntuples ;act_tuple++)
202+
{if (!get_int_item(lineno,var,vartype,-PQgetisnull(ECPGresult,act_tuple,index)))
203+
return (false);
204+
var= (char*)var+offset;
205+
ECPGlog("ECPGget_desc: INDICATOR[%d] = %d\n",act_tuple,-PQgetisnull(ECPGresult,act_tuple,index));
206+
}
191207
break;
192208

193209
caseECPGd_name:
@@ -225,10 +241,22 @@ ECPGget_desc(int lineno, char *desc_name, int index,...)
225241

226242
caseECPGd_ret_length:
227243
caseECPGd_ret_octet:
228-
if (!get_int_item(lineno,var,vartype,PQgetlength(ECPGresult,0,index)))
229-
return (false);
230-
231-
ECPGlog("ECPGget_desc: RETURNED = %d\n",PQgetlength(ECPGresult,0,index));
244+
/* this is like ECPGexecute
245+
* missing : allocate arrays, perhaps this should go into
246+
* a common function !!
247+
*/
248+
if (ntuples>arrsize)
249+
{ECPGlog("ECPGget_desc line %d: Incorrect number of matches: %d don't fit into array of %d\n",
250+
lineno,ntuples,arrsize);
251+
ECPGraise(lineno,ECPG_TOO_MANY_MATCHES,NULL);
252+
return false;
253+
}
254+
for (act_tuple=0;act_tuple<ntuples ;act_tuple++)
255+
{if (!get_int_item(lineno,var,vartype,PQgetlength(ECPGresult,act_tuple,index)))
256+
return (false);
257+
var= (char*)var+offset;
258+
ECPGlog("ECPGget_desc: RETURNED[%d] = %d\n",act_tuple,PQgetlength(ECPGresult,act_tuple,index));
259+
}
232260
break;
233261

234262
caseECPGd_octet:
@@ -259,9 +287,32 @@ ECPGget_desc(int lineno, char *desc_name, int index,...)
259287
ECPGlog("ECPGget_desc: TYPE = %d\n",ECPGDynamicType_DDT(PQftype(ECPGresult,index)));
260288
break;
261289
caseECPGd_data:
262-
if (!get_data(ECPGresult,0,index,lineno,vartype,ECPGt_NO_INDICATOR,var,NULL,varcharsize,offset, false))
290+
/* this is like ECPGexecute
291+
* missing : allocate arrays, perhaps this should go into
292+
* a common function !!
293+
*/
294+
if (ntuples>arrsize)
295+
{ECPGlog("ECPGget_desc line %d: Incorrect number of matches: %d don't fit into array of %d\n",
296+
lineno,ntuples,arrsize);
297+
ECPGraise(lineno,ECPG_TOO_MANY_MATCHES,NULL);
298+
return false;
299+
}
300+
Data_seen= true;
301+
for (act_tuple=0;act_tuple<ntuples ;act_tuple++)
302+
{if (PQgetisnull(ECPGresult,act_tuple,index))
303+
continue;/* do not touch data on null value */
304+
if (!get_data(ECPGresult,act_tuple,index,lineno,
305+
vartype,ECPGt_NO_INDICATOR,var,NULL,
306+
varcharsize,offset, false))
307+
return (false);
308+
}
309+
break;
310+
311+
caseECPGd_cardinality:
312+
if (!get_int_item(lineno,var,vartype,PQntuples(ECPGresult)))
263313
return (false);
264314

315+
ECPGlog("ECPGget_desc: CARDINALITY = %d\n",PQntuples(ECPGresult));
265316
break;
266317

267318
default:
@@ -273,10 +324,15 @@ ECPGget_desc(int lineno, char *desc_name, int index,...)
273324
type=va_arg(args,enumECPGdtype);
274325
}
275326

276-
if (DataButNoIndicator&&PQgetisnull(ECPGresult,0,index))
277-
{
278-
ECPGraise(lineno,ECPG_MISSING_INDICATOR,NULL);
279-
return (false);
327+
if (Data_seen&& !Indicator_seen)
328+
{
329+
for (act_tuple=0;act_tuple<ntuples ;act_tuple++)
330+
{if (PQgetisnull(ECPGresult,act_tuple,index))
331+
{
332+
ECPGraise(lineno,ECPG_MISSING_INDICATOR,NULL);
333+
return (false);
334+
}
335+
}
280336
}
281337

282338
return (true);

‎src/interfaces/ecpg/lib/execute.c

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -812,6 +812,9 @@ ECPGexecute(struct statement * stmt)
812812
ECPGraise(stmt->lineno,ECPG_PGSQL,PQerrorMessage(stmt->connection->connection));
813813
}
814814
else
815+
/* note: since some of the following code is duplicated in descriptor.c
816+
* it should go into a separate function
817+
*/
815818
{
816819
var=stmt->outlist;
817820
switch (PQresultStatus(results))
@@ -1032,7 +1035,7 @@ ECPGdo(int lineno, const char *connection_name, char *query,...)
10321035
*
10331036
* Copyright (c) 2000, Christof Petig <christof.petig@wtal.de>
10341037
*
1035-
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/execute.c,v 1.20 2001/08/10 22:50:10 tgl Exp $
1038+
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/execute.c,v 1.21 2001/08/19 09:21:44 meskes Exp $
10361039
*/
10371040

10381041
PGconn*ECPG_internal_get_connection(char*name);

‎src/interfaces/ecpg/preproc/descriptor.c

Lines changed: 14 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,8 @@
11
/*
22
* functions needed for descriptor handling
3+
*
4+
* since descriptor might be either a string constant or a string var
5+
* we need to check for a constant if we expect a constant
36
*/
47

58
#include"postgres_fe.h"
@@ -71,7 +74,11 @@ static struct descriptor *descriptors;
7174
void
7275
add_descriptor(char*name,char*connection)
7376
{
74-
structdescriptor*new= (structdescriptor*)mm_alloc(sizeof(structdescriptor));
77+
structdescriptor*new;
78+
79+
if (name[0]!='"')return;
80+
81+
new= (structdescriptor*)mm_alloc(sizeof(structdescriptor));
7582

7683
new->next=descriptors;
7784
new->name=mm_alloc(strlen(name)+1);
@@ -92,6 +99,8 @@ drop_descriptor(char *name, char *connection)
9299
structdescriptor*i;
93100
structdescriptor**lastptr=&descriptors;
94101

102+
if (name[0]!='"')return;
103+
95104
for (i=descriptors;i;lastptr=&i->next,i=i->next)
96105
{
97106
if (!strcmp(name,i->name))
@@ -119,6 +128,8 @@ lookup_descriptor(char *name, char *connection)
119128
{
120129
structdescriptor*i;
121130

131+
if (name[0]!='"')returnNULL;
132+
122133
for (i=descriptors;i;i=i->next)
123134
{
124135
if (!strcmp(name,i->name))
@@ -139,7 +150,7 @@ output_get_descr_header(char *desc_name)
139150
{
140151
structassignment*results;
141152

142-
fprintf(yyout,"{ ECPGget_desc_header(%d,\"%s\", &(",yylineno,desc_name);
153+
fprintf(yyout,"{ ECPGget_desc_header(%d,%s, &(",yylineno,desc_name);
143154
for (results=assignments;results!=NULL;results=results->next)
144155
{
145156
if (results->value==ECPGd_count)
@@ -161,7 +172,7 @@ output_get_descr(char *desc_name, char *index)
161172
{
162173
structassignment*results;
163174

164-
fprintf(yyout,"{ ECPGget_desc(%d,\"%s\",%s,",yylineno,desc_name,index);
175+
fprintf(yyout,"{ ECPGget_desc(%d, %s,%s,",yylineno,desc_name,index);
165176
for (results=assignments;results!=NULL;results=results->next)
166177
{
167178
conststructvariable*v=find_variable(results->variable);

‎src/interfaces/ecpg/preproc/ecpg_keywords.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,7 @@
44
* lexical token lookup for reserved words in postgres embedded SQL
55
*
66
* IDENTIFICATION
7-
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/ecpg_keywords.c,v 1.23 2001/03/22 04:01:20 momjian Exp $
7+
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/ecpg_keywords.c,v 1.24 2001/08/19 09:21:44 meskes Exp $
88
*
99
*-------------------------------------------------------------------------
1010
*/
@@ -29,6 +29,7 @@ static ScanKeyword ScanKeywords[] = {
2929
{"bool",SQL_BOOL},
3030
{"break",SQL_BREAK},
3131
{"call",SQL_CALL},
32+
{"cardinality",SQL_CARDINALITY},
3233
{"connect",SQL_CONNECT},
3334
{"connection",SQL_CONNECTION},
3435
{"continue",SQL_CONTINUE},

‎src/interfaces/ecpg/preproc/output.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -111,7 +111,7 @@ output_statement(char *stmt, int mode, char *descriptor, char *con)
111111
if (descriptor==NULL)
112112
fprintf(yyout,"{ ECPGdo(__LINE__, %s, \"",con ?con :"NULL");
113113
else
114-
fprintf(yyout,"{ ECPGdo_descriptor(__LINE__, %s,\"%s\", \"",
114+
fprintf(yyout,"{ ECPGdo_descriptor(__LINE__, %s,%s, \"",
115115
con ?con :"NULL",descriptor);
116116

117117
/* do this char by char as we have to filter '\"' */

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