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Infrastructure for upgraded error reporting mechanism. elog.c is

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rewritten and the protocol is changed, but most elog calls are still
elog calls.  Also, we need to contemplate mechanisms for controlling
all this functionality --- eg, how much stuff should appear in the
postmaster log?  And what API should libpq expose for it?
This commit is contained in:
Tom Lane 2003-04-24 21:16:45 +00:00
parent a91c5be6a4
commit f690920a75
33 changed files with 1713 additions and 728 deletions
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28
config/c-compiler.m4
View File

@ -1,5 +1,5 @@
# Macros to detect C compiler features
# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.7 2003/04/06 22:45:22 petere Exp $
# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.8 2003/04/24 21:16:42 tgl Exp $
# PGAC_C_SIGNED
@ -94,3 +94,29 @@ AC_DEFINE_UNQUOTED(AS_TR_CPP(alignof_$1),
[$AS_TR_SH([pgac_cv_alignof_$1])],
[The alignment requirement of a `$1'.])
])# PGAC_CHECK_ALIGNOF
# PGAC_C_FUNCNAME_SUPPORT
# -------------
# Check if the C compiler understands __func__ (C99) or __FUNCTION__ (gcc).
# Define HAVE_FUNCNAME__FUNC or HAVE_FUNCNAME__FUNCTION accordingly.
AC_DEFUN([PGAC_C_FUNCNAME_SUPPORT],
[AC_CACHE_CHECK(for __func__, pgac_cv_funcname_func_support,
[AC_TRY_COMPILE([#include <stdio.h>],
[printf("%s\n", __func__);],
[pgac_cv_funcname_func_support=yes],
[pgac_cv_funcname_func_support=no])])
if test x"$pgac_cv_funcname_func_support" = xyes ; then
AC_DEFINE(HAVE_FUNCNAME__FUNC, 1,
[Define to 1 if your compiler understands __func__.])
else
AC_CACHE_CHECK(for __FUNCTION__, pgac_cv_funcname_function_support,
[AC_TRY_COMPILE([#include <stdio.h>],
[printf("%s\n", __FUNCTION__);],
[pgac_cv_funcname_function_support=yes],
[pgac_cv_funcname_function_support=no])])
if test x"$pgac_cv_funcname_function_support" = xyes ; then
AC_DEFINE(HAVE_FUNCNAME__FUNCTION, 1,
[Define to 1 if your compiler understands __FUNCTION__.])
fi
fi])# PGAC_C_FUNCNAME_SUPPORT

105
configure vendored
View File

@ -9051,6 +9051,111 @@ _ACEOF
fi
echo "$as_me:$LINENO: checking for __func__" >&5
echo $ECHO_N "checking for __func__... $ECHO_C" >&6
if test "${pgac_cv_funcname_func_support+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
#include <stdio.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
printf("%s\n", __func__);
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
pgac_cv_funcname_func_support=yes
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
pgac_cv_funcname_func_support=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $pgac_cv_funcname_func_support" >&5
echo "${ECHO_T}$pgac_cv_funcname_func_support" >&6
if test x"$pgac_cv_funcname_func_support" = xyes ; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_FUNCNAME__FUNC 1
_ACEOF
else
echo "$as_me:$LINENO: checking for __FUNCTION__" >&5
echo $ECHO_N "checking for __FUNCTION__... $ECHO_C" >&6
if test "${pgac_cv_funcname_function_support+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
#include <stdio.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
printf("%s\n", __FUNCTION__);
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
pgac_cv_funcname_function_support=yes
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
pgac_cv_funcname_function_support=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $pgac_cv_funcname_function_support" >&5
echo "${ECHO_T}$pgac_cv_funcname_function_support" >&6
if test x"$pgac_cv_funcname_function_support" = xyes ; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_FUNCNAME__FUNCTION 1
_ACEOF
fi
fi
echo "$as_me:$LINENO: checking whether struct tm is in sys/time.h or time.h" >&5
echo $ECHO_N "checking whether struct tm is in sys/time.h or time.h... $ECHO_C" >&6
if test "${ac_cv_struct_tm+set}" = set; then

3
configure.in
View File

@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $Header: /cvsroot/pgsql/configure.in,v 1.243 2003/04/22 02:18:09 momjian Exp $
dnl $Header: /cvsroot/pgsql/configure.in,v 1.244 2003/04/24 21:16:42 tgl Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -733,6 +733,7 @@ AC_C_INLINE
AC_C_STRINGIZE
PGAC_C_SIGNED
AC_C_VOLATILE
PGAC_C_FUNCNAME_SUPPORT
AC_STRUCT_TIMEZONE
PGAC_UNION_SEMUN
PGAC_STRUCT_SOCKADDR_UN

10
doc/src/sgml/protocol.sgml
View File

@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/protocol.sgml,v 1.29 2003/04/22 00:08:06 tgl Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/protocol.sgml,v 1.30 2003/04/24 21:16:42 tgl Exp $ -->
<chapter id="protocol">
<title>Frontend/Backend Protocol</title>
@ -3862,6 +3862,14 @@ byte (except for startup packets, which have no type byte). Also note that
PasswordMessage now has a type byte.
</para>
<para>
ErrorResponse and NoticeResponse ('<literal>E</>' and '<literal>N</>')
messages now contain multiple fields, from which the client code may
assemble an error message of the desired level of verbosity. Note that
individual fields will typically not end with a newline, whereas the single
string sent in the older protocol always did.
</para>
<para>
COPY data is now encapsulated into CopyData and CopyDone messages. There
is a well-defined way to recover from errors during COPY. The special

6
src/backend/catalog/namespace.c
View File

@ -13,7 +13,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/namespace.c,v 1.49 2003/03/20 03:34:55 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/namespace.c,v 1.50 2003/04/24 21:16:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1280,7 +1280,7 @@ NameListToString(List *names)
{
if (l != names)
appendStringInfoChar(&string, '.');
appendStringInfo(&string, "%s", strVal(lfirst(l)));
appendStringInfoString(&string, strVal(lfirst(l)));
}
return string.data;
@ -1305,7 +1305,7 @@ NameListToQuotedString(List *names)
{
if (l != names)
appendStringInfoChar(&string, '.');
appendStringInfo(&string, "%s", quote_identifier(strVal(lfirst(l))));
appendStringInfoString(&string, quote_identifier(strVal(lfirst(l))));
}
return string.data;

37
src/backend/commands/copy.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.195 2003/04/22 00:08:06 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/copy.c,v 1.196 2003/04/24 21:16:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -100,13 +100,13 @@ static const char BinarySignature[12] = "PGBCOPY\n\377\r\n\0";
* Static communication variables ... pretty grotty, but COPY has
* never been reentrant...
*/
int copy_lineno = 0; /* exported for use by elog() -- dz */
static CopyDest copy_dest;
static FILE *copy_file; /* if copy_dest == COPY_FILE */
static StringInfo copy_msgbuf; /* if copy_dest == COPY_NEW_FE */
static bool fe_eof; /* true if detected end of copy data */
static EolType eol_type;
static EolType eol_type; /* EOL type of input */
static int copy_lineno; /* line number for error messages */
/*
* These static variables are used to avoid incurring overhead for each
@ -1000,6 +1000,16 @@ CopyTo(Relation rel, List *attnumlist, bool binary, bool oids,
}
/*
* error context callback for COPY FROM
*/
static void
copy_in_error_callback(void *arg)
{
errcontext("COPY FROM, line %d", copy_lineno);
}
/*
* Copy FROM file to relation.
*/
@ -1032,6 +1042,7 @@ CopyFrom(Relation rel, List *attnumlist, bool binary, bool oids,
ExprState **defexprs; /* array of default att expressions */
ExprContext *econtext; /* used for ExecEvalExpr for default atts */
MemoryContext oldcontext = CurrentMemoryContext;
ErrorContextCallback errcontext;
tupDesc = RelationGetDescr(rel);
attr = tupDesc->attrs;
@ -1188,16 +1199,22 @@ CopyFrom(Relation rel, List *attnumlist, bool binary, bool oids,
values = (Datum *) palloc(num_phys_attrs * sizeof(Datum));
nulls = (char *) palloc(num_phys_attrs * sizeof(char));
/* Initialize static variables */
copy_lineno = 0;
eol_type = EOL_UNKNOWN;
fe_eof = false;
/* Make room for a PARAM_EXEC value for domain constraint checks */
if (hasConstraints)
econtext->ecxt_param_exec_vals = (ParamExecData *)
palloc0(sizeof(ParamExecData));
/* Initialize static variables */
fe_eof = false;
eol_type = EOL_UNKNOWN;
copy_lineno = 0;
/* Set up callback to identify error line number */
errcontext.callback = copy_in_error_callback;
errcontext.arg = NULL;
errcontext.previous = error_context_stack;
error_context_stack = &errcontext;
while (!done)
{
bool skip_tuple;
@ -1502,7 +1519,7 @@ CopyFrom(Relation rel, List *attnumlist, bool binary, bool oids,
/*
* Done, clean up
*/
copy_lineno = 0;
error_context_stack = errcontext.previous;
MemoryContextSwitchTo(oldcontext);

12
src/backend/commands/explain.c
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1994-5, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.105 2003/04/03 22:35:48 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.106 2003/04/24 21:16:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -320,7 +320,7 @@ explain_outNode(StringInfo str,
if (plan == NULL)
{
appendStringInfo(str, "\n");
appendStringInfoChar(str, '\n');
return;
}
@ -476,13 +476,13 @@ explain_outNode(StringInfo str,
break;
}
appendStringInfo(str, pname);
appendStringInfoString(str, pname);
switch (nodeTag(plan))
{
case T_IndexScan:
if (ScanDirectionIsBackward(((IndexScan *) plan)->indxorderdir))
appendStringInfo(str, " Backward");
appendStringInfo(str, " using ");
appendStringInfoString(str, " Backward");
appendStringInfoString(str, " using ");
i = 0;
foreach(l, ((IndexScan *) plan)->indxid)
{
@ -590,7 +590,7 @@ explain_outNode(StringInfo str,
appendStringInfo(str, " (never executed)");
}
}
appendStringInfo(str, "\n");
appendStringInfoChar(str, '\n');
/* quals, sort keys, etc */
switch (nodeTag(plan))

4
src/backend/executor/spi.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/spi.c,v 1.89 2003/03/27 16:51:28 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/spi.c,v 1.90 2003/04/24 21:16:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -995,7 +995,7 @@ _SPI_execute(const char *src, int tcount, _SPI_plan *plan)
* Parse the request string into a list of raw parse trees.
*/
initStringInfo(&stri);
appendStringInfo(&stri, "%s", src);
appendStringInfoString(&stri, src);
raw_parsetree_list = pg_parse_query(&stri, argtypes, nargs);

123
src/backend/lib/stringinfo.c
View File

@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: stringinfo.c,v 1.33 2003/04/19 00:02:29 tgl Exp $
* $Id: stringinfo.c,v 1.34 2003/04/24 21:16:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -56,61 +56,102 @@ initStringInfo(StringInfo str)
/*
* appendStringInfo
*
* Format text data under the control of fmt (an sprintf-like format string)
* Format text data under the control of fmt (an sprintf-style format string)
* and append it to whatever is already in str. More space is allocated
* to str if necessary. This is sort of like a combination of sprintf and
* strcat.
*/
void
appendStringInfo(StringInfo str, const char *fmt,...)
appendStringInfo(StringInfo str, const char *fmt, ...)
{
for (;;)
{
va_list args;
bool success;
/* Try to format the data. */
va_start(args, fmt);
success = appendStringInfoVA(str, fmt, args);
va_end(args);
if (success)
break;
/* Double the buffer size and try again. */
enlargeStringInfo(str, str->maxlen);
}
}
/*
* appendStringInfoVA
*
* Attempt to format text data under the control of fmt (an sprintf-style
* format string) and append it to whatever is already in str. If successful
* return true; if not (because there's not enough space), return false
* without modifying str. Typically the caller would enlarge str and retry
* on false return --- see appendStringInfo for standard usage pattern.
*
* XXX This API is ugly, but there seems no alternative given the C spec's
* restrictions on what can portably be done with va_list arguments: you have
* to redo va_start before you can rescan the argument list, and we can't do
* that from here.
*/
bool
appendStringInfoVA(StringInfo str, const char *fmt, va_list args)
{
va_list args;
int avail,
nprinted;
Assert(str != NULL);
for (;;)
{
/*
* Try to format the given string into the available space; but if
* there's hardly any space, don't bother trying, just fall
* through to enlarge the buffer first.
*/
avail = str->maxlen - str->len - 1;
if (avail > 16)
{
/*
* Assert check here is to catch buggy vsnprintf that overruns
* the specified buffer length. Solaris 7 in 64-bit mode is
* an example of a platform with such a bug.
*/
/*
* If there's hardly any space, don't bother trying, just fail to make
* the caller enlarge the buffer first.
*/
avail = str->maxlen - str->len - 1;
if (avail < 16)
return false;
/*
* Assert check here is to catch buggy vsnprintf that overruns
* the specified buffer length. Solaris 7 in 64-bit mode is
* an example of a platform with such a bug.
*/
#ifdef USE_ASSERT_CHECKING
str->data[str->maxlen - 1] = '\0';
str->data[str->maxlen - 1] = '\0';
#endif
va_start(args, fmt);
nprinted = vsnprintf(str->data + str->len, avail,
fmt, args);
va_end(args);
nprinted = vsnprintf(str->data + str->len, avail, fmt, args);
Assert(str->data[str->maxlen - 1] == '\0');
Assert(str->data[str->maxlen - 1] == '\0');
/*
* Note: some versions of vsnprintf return the number of chars
* actually stored, but at least one returns -1 on failure. Be
* conservative about believing whether the print worked.
*/
if (nprinted >= 0 && nprinted < avail - 1)
{
/* Success. Note nprinted does not include trailing null. */
str->len += nprinted;
break;
}
}
/* Double the buffer size and try again. */
enlargeStringInfo(str, str->maxlen);
/*
* Note: some versions of vsnprintf return the number of chars
* actually stored, but at least one returns -1 on failure. Be
* conservative about believing whether the print worked.
*/
if (nprinted >= 0 && nprinted < avail - 1)
{
/* Success. Note nprinted does not include trailing null. */
str->len += nprinted;
return true;
}
/* Restore the trailing null so that str is unmodified. */
str->data[str->len] = '\0';
return false;
}
/*
* appendStringInfoString
*
* Append a null-terminated string to str.
* Like appendStringInfo(str, "%s", s) but faster.
*/
void
appendStringInfoString(StringInfo str, const char *s)
{
appendBinaryStringInfo(str, s, strlen(s));
}
/*
@ -163,8 +204,8 @@ appendBinaryStringInfo(StringInfo str, const char *data, int datalen)
* Make sure there is enough space for 'needed' more bytes
* ('needed' does not include the terminating null).
*
* External callers need not concern themselves with this, since all
* stringinfo.c routines do it automatically. However, if a caller
* External callers usually need not concern themselves with this, since
* all stringinfo.c routines do it automatically. However, if a caller
* knows that a StringInfo will eventually become X bytes large, it
* can save some palloc overhead by enlarging the buffer before starting
* to store data in it.

4
src/backend/nodes/outfuncs.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.202 2003/04/08 23:20:01 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.203 2003/04/24 21:16:43 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@ -39,7 +39,7 @@
/* Write the label for the node type */
#define WRITE_NODE_TYPE(nodelabel) \
appendStringInfo(str, nodelabel)
appendStringInfoString(str, nodelabel)
/* Write an integer field (anything written as ":fldname %d") */
#define WRITE_INT_FIELD(fldname) \

6
src/backend/parser/parse_func.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.145 2003/04/08 23:20:02 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.146 2003/04/24 21:16:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1288,8 +1288,8 @@ func_error(const char *caller, List *funcname,
for (i = 0; i < nargs; i++)
{
if (i)
appendStringInfo(&argbuf, ", ");
appendStringInfo(&argbuf, format_type_be(argtypes[i]));
appendStringInfoString(&argbuf, ", ");
appendStringInfoString(&argbuf, format_type_be(argtypes[i]));
}
if (caller == NULL)

10
src/backend/parser/parse_type.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_type.c,v 1.54 2003/03/10 03:53:51 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_type.c,v 1.55 2003/04/24 21:16:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -153,13 +153,13 @@ TypeNameToString(const TypeName *typename)
{
if (l != typename->names)
appendStringInfoChar(&string, '.');
appendStringInfo(&string, "%s", strVal(lfirst(l)));
appendStringInfoString(&string, strVal(lfirst(l)));
}
}
else
{
/* Look up internally-specified type */
appendStringInfo(&string, "%s", format_type_be(typename->typeid));
appendStringInfoString(&string, format_type_be(typename->typeid));
}
/*
@ -167,10 +167,10 @@ TypeNameToString(const TypeName *typename)
* LookupTypeName
*/
if (typename->pct_type)
appendStringInfo(&string, "%%TYPE");
appendStringInfoString(&string, "%TYPE");
if (typename->arrayBounds != NIL)
appendStringInfo(&string, "[]");
appendStringInfoString(&string, "[]");
return string.data;
}

19
src/backend/parser/scan.l
View File

@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.103 2002/11/11 03:33:38 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.104 2003/04/24 21:16:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -33,7 +33,7 @@
#define YY_READ_BUF_SIZE 16777216
/* Avoid exit() on fatal scanner errors (a bit ugly -- see yy_fatal_error) */
#define fprintf(file, fmt, msg) elog(FATAL, "%s", (msg))
#define fprintf(file, fmt, msg) ereport(FATAL, (errmsg_internal("%s", msg)))
extern YYSTYPE yylval;
@ -575,12 +575,19 @@ void
yyerror(const char *message)
{
const char *loc = token_start ? token_start : yytext;
int cursorpos;
/* in multibyte encodings, return index in characters not bytes */
cursorpos = pg_mbstrlen_with_len(scanbuf, loc - scanbuf) + 1;
if (*loc == YY_END_OF_BUFFER_CHAR)
elog(ERROR, "parser: %s at end of input", message);
ereport(ERROR,
(errmsg("parser: %s at end of input", message),
errposition(cursorpos)));
else
elog(ERROR, "parser: %s at or near \"%s\" at character %d",
message, loc, (int) (loc - scanbuf + 1));
ereport(ERROR,
(errmsg("parser: %s at or near \"%s\"", message, loc),
errposition(cursorpos)));
}
@ -591,7 +598,7 @@ void
scanner_init(StringInfo str)
{
/*
* Might be left over after elog()
* Might be left over after ereport()
*/
if (YY_CURRENT_BUFFER)
yy_delete_buffer(YY_CURRENT_BUFFER);

6
src/backend/tcop/postgres.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.323 2003/04/22 00:08:07 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.324 2003/04/24 21:16:43 tgl Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -349,7 +349,7 @@ pg_parse_and_rewrite(char *query_string, /* string to execute */
StringInfoData stri;
initStringInfo(&stri);
appendStringInfo(&stri, "%s", query_string);
appendStringInfoString(&stri, query_string);
/*
* (1) parse the request string into a list of raw parse trees.
@ -1831,7 +1831,7 @@ PostgresMain(int argc, char *argv[], const char *username)
if (!IsUnderPostmaster)
{
puts("\nPOSTGRES backend interactive interface ");
puts("$Revision: 1.323 $ $Date: 2003/04/22 00:08:07 $\n");
puts("$Revision: 1.324 $ $Date: 2003/04/24 21:16:43 $\n");
}
/*

6
src/backend/utils/adt/ruleutils.c
View File

@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.138 2003/04/08 23:20:02 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.139 2003/04/24 21:16:43 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -921,7 +921,7 @@ pg_get_constraintdef(PG_FUNCTION_ARGS)
constraintId);
/* Append the constraint source */
appendStringInfo(&buf, DatumGetCString(DirectFunctionCall1(textout, val)));
appendStringInfoString(&buf, DatumGetCString(DirectFunctionCall1(textout, val)));
break;
}
@ -2846,7 +2846,7 @@ get_const_expr(Const *constval, deparse_context *context)
*/
if (strspn(extval, "0123456789+-eE.") == strlen(extval))
{
appendStringInfo(buf, extval);
appendStringInfoString(buf, extval);
if (strcspn(extval, "eE.") != strlen(extval))
isfloat = true; /* it looks like a float */
}

8
src/backend/utils/adt/varlena.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.95 2003/03/10 22:28:18 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.96 2003/04/24 21:16:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1696,8 +1696,8 @@ replace_text(PG_FUNCTION_ARGS)
left_text = LEFT(buf_text, from_sub_text);
right_text = RIGHT(buf_text, from_sub_text, from_sub_text_len);
appendStringInfo(str, PG_TEXT_GET_STR(left_text));
appendStringInfo(str, to_sub_str);
appendStringInfoString(str, PG_TEXT_GET_STR(left_text));
appendStringInfoString(str, to_sub_str);
pfree(buf_text);
pfree(left_text);
@ -1705,7 +1705,7 @@ replace_text(PG_FUNCTION_ARGS)
curr_posn = TEXTPOS(buf_text, from_sub_text);
}
appendStringInfo(str, PG_TEXT_GET_STR(buf_text));
appendStringInfoString(str, PG_TEXT_GET_STR(buf_text));
pfree(buf_text);
ret_text = PG_STR_GET_TEXT(str->data);

1276
src/backend/utils/error/elog.c
View File

File diff suppressed because it is too large Load Diff

6
src/include/commands/copy.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: copy.h,v 1.20 2002/09/04 20:31:42 momjian Exp $
* $Id: copy.h,v 1.21 2003/04/24 21:16:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -15,10 +15,8 @@
#define COPY_H
#include "nodes/parsenodes.h"
#include "nodes/primnodes.h"
extern int copy_lineno;
void DoCopy(const CopyStmt *stmt);
extern void DoCopy(const CopyStmt *stmt);
#endif /* COPY_H */

24
src/include/lib/stringinfo.h
View File

@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: stringinfo.h,v 1.25 2003/04/19 00:02:29 tgl Exp $
* $Id: stringinfo.h,v 1.26 2003/04/24 21:16:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -80,16 +80,32 @@ extern void initStringInfo(StringInfo str);
/*------------------------
* appendStringInfo
* Format text data under the control of fmt (an sprintf-like format string)
* Format text data under the control of fmt (an sprintf-style format string)
* and append it to whatever is already in str. More space is allocated
* to str if necessary. This is sort of like a combination of sprintf and
* strcat.
*/
extern void
appendStringInfo(StringInfo str, const char *fmt,...)
extern void appendStringInfo(StringInfo str, const char *fmt, ...)
/* This extension allows gcc to check the format string */
__attribute__((format(printf, 2, 3)));
/*------------------------
* appendStringInfoVA
* Attempt to format text data under the control of fmt (an sprintf-style
* format string) and append it to whatever is already in str. If successful
* return true; if not (because there's not enough space), return false
* without modifying str. Typically the caller would enlarge str and retry
* on false return --- see appendStringInfo for standard usage pattern.
*/
extern bool appendStringInfoVA(StringInfo str, const char *fmt, va_list args);
/*------------------------
* appendStringInfoString
* Append a null-terminated string to str.
* Like appendStringInfo(str, "%s", s) but faster.
*/
extern void appendStringInfoString(StringInfo str, const char *s);
/*------------------------
* appendStringInfoChar
* Append a single byte to str.

4
src/include/libpq/pqcomm.h
View File

@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pqcomm.h,v 1.78 2003/04/22 00:08:07 tgl Exp $
* $Id: pqcomm.h,v 1.79 2003/04/24 21:16:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -106,7 +106,7 @@ typedef union SockAddr
/* The earliest and latest frontend/backend protocol version supported. */
#define PG_PROTOCOL_EARLIEST PG_PROTOCOL(1,0)
#define PG_PROTOCOL_LATEST PG_PROTOCOL(3,102) /* XXX temporary value */
#define PG_PROTOCOL_LATEST PG_PROTOCOL(3,103) /* XXX temporary value */
typedef uint32 ProtocolVersion; /* FE/BE protocol version number */

6
src/include/pg_config.h.in
View File

@ -109,6 +109,12 @@
/* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
#undef HAVE_FSEEKO
/* Define to 1 if your compiler understands __func__. */
#undef HAVE_FUNCNAME__FUNC
/* Define to 1 if your compiler understands __FUNCTION__. */
#undef HAVE_FUNCNAME__FUNCTION
/* Define to 1 if you have the `getaddrinfo' function. */
#undef HAVE_GETADDRINFO

230
src/include/utils/elog.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: elog.h,v 1.40 2002/09/04 20:31:45 momjian Exp $
* $Id: elog.h,v 1.41 2003/04/24 21:16:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -40,19 +40,233 @@
/*#define DEBUG DEBUG1*/ /* Backward compatibility with pre-7.3 */
/* Configurable parameters */
#ifdef HAVE_SYSLOG
extern int Use_syslog;
/* macros for representing SQLSTATE strings compactly */
#define PGSIXBIT(ch) (((ch) - '0') & 0x3F)
#define PGUNSIXBIT(val) (((val) & 0x3F) + '0')
#define MAKE_SQLSTATE(ch1,ch2,ch3,ch4,ch5) \
(PGSIXBIT(ch1) + (PGSIXBIT(ch2) << 6) + (PGSIXBIT(ch3) << 12) + \
(PGSIXBIT(ch4) << 18) + (PGSIXBIT(ch5) << 24))
/* SQLSTATE codes defined by SQL99 */
#define ERRCODE_AMBIGUOUS_CURSOR_NAME MAKE_SQLSTATE('3','C', '0','0','0')
#define ERRCODE_CARDINALITY_VIOLATION MAKE_SQLSTATE('2','1', '0','0','0')
#define ERRCODE_CLI_SPECIFIC_CONDITION MAKE_SQLSTATE('H','Y', '0','0','0')
#define ERRCODE_CONNECTION_EXCEPTION MAKE_SQLSTATE('0','8', '0','0','0')
#define ERRCODE_CONNECTION_DOES_NOT_EXIST MAKE_SQLSTATE('0','8', '0','0','3')
#define ERRCODE_CONNECTION_FAILURE MAKE_SQLSTATE('0','8', '0','0','6')
#define ERRCODE_CONNECTION_NAME_IN_USE MAKE_SQLSTATE('0','8', '0','0','2')
#define ERRCODE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION MAKE_SQLSTATE('0','8', '0','0','1')
#define ERRCODE_SQLSERVER_REJECTED_ESTABLISHMENT_OF_SQLCONNECTION MAKE_SQLSTATE('0','8', '0','0','4')
#define ERRCODE_TRANSACTION_RESOLUTION_UNKNOWN MAKE_SQLSTATE('0','8', '0','0','7')
#define ERRCODE_DATA_EXCEPTION MAKE_SQLSTATE('2','2', '0','0','0')
#define ERRCODE_ARRAY_ELEMENT_ERROR MAKE_SQLSTATE('2','2', '0','2','E')
#define ERRCODE_CHARACTER_NOT_IN_REPERTOIRE MAKE_SQLSTATE('2','2', '0','2','1')
#define ERRCODE_DATETIME_FIELD_OVERFLOW MAKE_SQLSTATE('2','2', '0','0','8')
#define ERRCODE_DIVISION_BY_ZERO MAKE_SQLSTATE('2','2', '0','1','2')
#define ERRCODE_ERROR_IN_ASSIGNMENT MAKE_SQLSTATE('2','2', '0','0','5')
#define ERRCODE_ESCAPE_CHARACTER_CONFLICT MAKE_SQLSTATE('2','2', '0','0','B')
#define ERRCODE_INDICATOR_OVERFLOW MAKE_SQLSTATE('2','2', '0','2','2')
#define ERRCODE_INTERVAL_FIELD_OVERFLOW MAKE_SQLSTATE('2','2', '0','1','5')
#define ERRCODE_INVALID_CHARACTER_VALUE_FOR_CAST MAKE_SQLSTATE('2','2', '0','1','8')
#define ERRCODE_INVALID_DATETIME_FORMAT MAKE_SQLSTATE('2','2', '0','0','7')
#define ERRCODE_INVALID_ESCAPE_CHARACTER MAKE_SQLSTATE('2','2', '0','1','9')
#define ERRCODE_INVALID_ESCAPE_OCTET MAKE_SQLSTATE('2','2', '0','0','D')
#define ERRCODE_INVALID_ESCAPE_SEQUENCE MAKE_SQLSTATE('2','2', '0','2','5')
#define ERRCODE_INVALID_INDICATOR_PARAMETER_VALUE MAKE_SQLSTATE('2','2', '0','1','0')
#define ERRCODE_INVALID_LIMIT_VALUE MAKE_SQLSTATE('2','2', '0','2','0')
#define ERRCODE_INVALID_PARAMETER_VALUE MAKE_SQLSTATE('2','2', '0','2','3')
#define ERRCODE_INVALID_REGULAR_EXPRESSION MAKE_SQLSTATE('2','2', '0','1','B')
#define ERRCODE_INVALID_TIME_ZONE_DISPLACEMENT_VALUE MAKE_SQLSTATE('2','2', '0','0','9')
#define ERRCODE_INVALID_USE_OF_ESCAPE_CHARACTER MAKE_SQLSTATE('2','2', '0','0','C')
#define ERRCODE_NULL_VALUE_NO_INDICATOR_PARAMETER MAKE_SQLSTATE('2','2', '0','0','G')
#define ERRCODE_MOST_SPECIFIC_TYPE_MISMATCH MAKE_SQLSTATE('2','2', '0','0','2')
#define ERRCODE_NULL_VALUE_NOT_ALLOWED MAKE_SQLSTATE('2','2', '0','0','4')
#define ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE MAKE_SQLSTATE('2','2', '0','0','3')
#define ERRCODE_STRING_DATA_LENGTH_MISMATCH MAKE_SQLSTATE('2','2', '0','2','6')
#define ERRCODE_STRING_DATA_RIGHT_TRUNCATION MAKE_SQLSTATE('2','2', '0','0','1')
#define ERRCODE_SUBSTRING_ERROR MAKE_SQLSTATE('2','2', '0','1','1')
#define ERRCODE_TRIM_ERROR MAKE_SQLSTATE('2','2', '0','2','7')
#define ERRCODE_UNTERMINATED_C_STRING MAKE_SQLSTATE('2','2', '0','2','4')
#define ERRCODE_ZERO_LENGTH_CHARACTER_STRING MAKE_SQLSTATE('2','2', '0','0','F')
#define ERRCODE_DEPENDENT_PRIVILEGE_DESCRIPTORS_STILL_EXIST MAKE_SQLSTATE('2','B', '0','0','0')
#define ERRCODE_EXTERNAL_ROUTINE_EXCEPTION MAKE_SQLSTATE('3','8', '0','0','0')
#define ERRCODE_EXTERNAL_ROUTINE_EXCEPTION_CONTAINING_SQL_NOT_PERMITTED MAKE_SQLSTATE('3','8', '0','0','1')
#define ERRCODE_EXTERNAL_ROUTINE_EXCEPTION_MODIFYING_SQL_DATA_NOT_PERMITTED MAKE_SQLSTATE('3','8', '0','0','2')
#define ERRCODE_EXTERNAL_ROUTINE_EXCEPTION_PROHIBITED_SQL_STATEMENT_ATTEMPTED MAKE_SQLSTATE('3','8', '0','0','3')
#define ERRCODE_EXTERNAL_ROUTINE_EXCEPTION_READING_SQL_DATA_NOT_PERMITTED MAKE_SQLSTATE('3','8', '0','0','4')
#define ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION MAKE_SQLSTATE('3','9', '0','0','0')
#define ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION_INVALID_SQLSTATE_RETURNED MAKE_SQLSTATE('3','9', '0','0','1')
#define ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION_NULL_VALUE_NOT_ALLOWED MAKE_SQLSTATE('3','9', '0','0','4')
#define ERRCODE_FEATURE_NOT_SUPPORTED MAKE_SQLSTATE('0','A', '0','0','0')
#define ERRCODE_MULTIPLE_ENVIRONMENT_TRANSACTIONS MAKE_SQLSTATE('0','A', '0','0','1')
#define ERRCODE_INTEGRITY_CONSTRAINT_VIOLATION MAKE_SQLSTATE('2','3', '0','0','0')
#define ERRCODE_RESTRICT_VIOLATION MAKE_SQLSTATE('2','3', '0','0','1')
#define ERRCODE_INVALID_AUTHORIZATION_SPECIFICATION MAKE_SQLSTATE('2','8', '0','0','0')
#define ERRCODE_INVALID_CATALOG_NAME MAKE_SQLSTATE('3','D', '0','0','0')
#define ERRCODE_INVALID_CONDITION_NUMBER MAKE_SQLSTATE('3','5', '0','0','0')
#define ERRCODE_INVALID_CONNECTION_NAME MAKE_SQLSTATE('2','E', '0','0','0')
#define ERRCODE_INVALID_CURSOR_NAME MAKE_SQLSTATE('3','4', '0','0','0')
#define ERRCODE_INVALID_CURSOR_STATE MAKE_SQLSTATE('2','4', '0','0','0')
#define ERRCODE_INVALID_GRANTOR_STATE MAKE_SQLSTATE('0','L', '0','0','0')
#define ERRCODE_INVALID_ROLE_SPECIFICATION MAKE_SQLSTATE('0','P', '0','0','0')
#define ERRCODE_INVALID_SCHEMA_NAME MAKE_SQLSTATE('3','F', '0','0','0')
#define ERRCODE_INVALID_SQL_DESCRIPTOR_NAME MAKE_SQLSTATE('3','3', '0','0','0')
#define ERRCODE_INVALID_SQL_STATEMENT MAKE_SQLSTATE('3','0', '0','0','0')
#define ERRCODE_INVALID_SQL_STATEMENT_NAME MAKE_SQLSTATE('2','6', '0','0','0')
#define ERRCODE_INVALID_TARGET_SPECIFICATION_VALUE MAKE_SQLSTATE('3','1', '0','0','0')
#define ERRCODE_INVALID_TRANSACTION_STATE MAKE_SQLSTATE('2','5', '0','0','0')
#define ERRCODE_ACTIVE_SQL_TRANSACTION MAKE_SQLSTATE('2','5', '0','0','1')
#define ERRCODE_BRANCH_TRANSACTION_ALREADY_ACTIVE MAKE_SQLSTATE('2','5', '0','0','2')
#define ERRCODE_HELD_CURSOR_REQUIRES_SAME_ISOLATION_LEVEL MAKE_SQLSTATE('2','5', '0','0','8')
#define ERRCODE_INAPPROPRIATE_ACCESS_MODE_FOR_BRANCH_TRANSACTION MAKE_SQLSTATE('2','5', '0','0','3')
#define ERRCODE_INAPPROPRIATE_ISOLATION_LEVEL_FOR_BRANCH_TRANSACTION MAKE_SQLSTATE('2','5', '0','0','4')
#define ERRCODE_NO_ACTIVE_SQL_TRANSACTION_FOR_BRANCH_TRANSACTION MAKE_SQLSTATE('2','5', '0','0','5')
#define ERRCODE_READ_ONLY_SQL_TRANSACTION MAKE_SQLSTATE('2','5', '0','0','6')
#define ERRCODE_SCHEMA_AND_DATA_STATEMENT_MIXING_NOT_SUPPORTED MAKE_SQLSTATE('2','5', '0','0','7')
#define ERRCODE_INVALID_TRANSACTION_INITIATION MAKE_SQLSTATE('0','B', '0','0','0')
#define ERRCODE_INVALID_TRANSACTION_TERMINATION MAKE_SQLSTATE('2','D', '0','0','0')
#define ERRCODE_LOCATOR_EXCEPTION MAKE_SQLSTATE('0','F', '0','0','0')
#define ERRCODE_LOCATOR_EXCEPTION_INVALID_SPECIFICATION MAKE_SQLSTATE('0','F', '0','0','1')
#define ERRCODE_NO_DATA MAKE_SQLSTATE('0','2', '0','0','0')
#define ERRCODE_NO_ADDITIONAL_DYNAMIC_RESULT_SETS_RETURNED MAKE_SQLSTATE('0','2', '0','0','1')
#define ERRCODE_REMOTE_DATABASE_ACCESS MAKE_SQLSTATE('H','Z', '0','0','0')
#define ERRCODE_SAVEPOINT_EXCEPTION MAKE_SQLSTATE('3','B', '0','0','0')
#define ERRCODE_SAVEPOINT_EXCEPTION_INVALID_SPECIFICATION MAKE_SQLSTATE('3','B', '0','0','1')
#define ERRCODE_SAVEPOINT_EXCEPTION_TOO_MANY MAKE_SQLSTATE('3','B', '0','0','2')
#define ERRCODE_SQL_ROUTINE_EXCEPTION MAKE_SQLSTATE('2','F', '0','0','0')
#define ERRCODE_FUNCTION_EXECUTED_NO_RETURN_STATEMENT MAKE_SQLSTATE('2','F', '0','0','5')
#define ERRCODE_MODIFYING_SQL_DATA_NOT_PERMITTED MAKE_SQLSTATE('2','F', '0','0','2')
#define ERRCODE_PROHIBITED_SQL_STATEMENT_ATTEMPTED MAKE_SQLSTATE('2','F', '0','0','3')
#define ERRCODE_READING_SQL_DATA_NOT_PERMITTED MAKE_SQLSTATE('2','F', '0','0','4')
#define ERRCODE_SQL_STATEMENT_NOT_YET_COMPLETE MAKE_SQLSTATE('0','3', '0','0','0')
#define ERRCODE_SUCCESSFUL_COMPLETION MAKE_SQLSTATE('0','0', '0','0','0')
#define ERRCODE_SYNTAX_ERROR_OR_ACCESS_RULE_VIOLATION MAKE_SQLSTATE('4','2', '0','0','0')
#define ERRCODE_SYNTAX_ERROR_OR_ACCESS_RULE_VIOLATION_IN_DIRECT_STATEMENT MAKE_SQLSTATE('2','A', '0','0','0')
#define ERRCODE_SYNTAX_ERROR_OR_ACCESS_RULE_VIOLATION_IN_DYNAMIC_STATEMENT MAKE_SQLSTATE('3','7', '0','0','0')
#define ERRCODE_TRANSACTION_ROLLBACK MAKE_SQLSTATE('4','0', '0','0','0')
#define ERRCODE_TRANSACTION_ROLLBACK_INTEGRITY_CONSTRAINT_VIOLATION MAKE_SQLSTATE('4','0', '0','0','2')
#define ERRCODE_TRANSACTION_ROLLBACK_SERIALIZATION_FAILURE MAKE_SQLSTATE('4','0', '0','0','1')
#define ERRCODE_TRANSACTION_ROLLBACK_STATEMENT_COMPLETION_UNKNOWN MAKE_SQLSTATE('4','0', '0','0','3')
#define ERRCODE_TRIGGERED_DATA_CHANGE_VIOLATION MAKE_SQLSTATE('2','7', '0','0','0')
#define ERRCODE_WARNING MAKE_SQLSTATE('0','1', '0','0','0')
#define ERRCODE_CURSOR_OPERATION_CONFLICT MAKE_SQLSTATE('0','1', '0','0','1')
#define ERRCODE_DISCONNECT_ERROR MAKE_SQLSTATE('0','1', '0','0','2')
#define ERRCODE_DYNAMIC_RESULT_SETS_RETURNED MAKE_SQLSTATE('0','1', '0','0','C')
#define ERRCODE_IMPLICIT_ZERO_BIT_PADDING MAKE_SQLSTATE('0','1', '0','0','8')
#define ERRCODE_NULL_VALUE_ELIMINATED_IN_SET_FUNCTION MAKE_SQLSTATE('0','1', '0','0','3')
#define ERRCODE_PRIVILEGE_NOT_GRANTED MAKE_SQLSTATE('0','1', '0','0','7')
#define ERRCODE_PRIVILEGE_NOT_REVOKED MAKE_SQLSTATE('0','1', '0','0','6')
#define ERRCODE_QUERY_EXPRESSION_TOO_LONG_FOR_INFORMATION_SCHEMA MAKE_SQLSTATE('0','1', '0','0','A')
#define ERRCODE_SEARCH_CONDITION_TOO_LONG_FOR_INFORMATION_SCHEMA MAKE_SQLSTATE('0','1', '0','0','9')
#define ERRCODE_STATEMENT_TOO_LONG_FOR_INFORMATION_SCHEMA MAKE_SQLSTATE('0','1', '0','0','5')
#define ERRCODE_STRING_DATA_RIGHT_TRUNCATION_WARNING MAKE_SQLSTATE('0','1', '0','0','4')
#define ERRCODE_WITH_CHECK_OPTION_VIOLATION MAKE_SQLSTATE('4','4', '0','0','0')
/* Implementation-defined error codes for PostgreSQL */
#define ERRCODE_INTERNAL_ERROR MAKE_SQLSTATE('X','X', '0','0','0')
/* Which __func__ symbol do we have, if any? */
#ifdef HAVE_FUNCNAME__FUNC
#define PG_FUNCNAME_MACRO __func__
#else
#ifdef HAVE_FUNCNAME__FUNCTION
#define PG_FUNCNAME_MACRO __FUNCTION__
#else
#define PG_FUNCNAME_MACRO NULL
#endif
extern bool Log_timestamp;
extern bool Log_pid;
#endif
/*----------
* New-style error reporting API: to be used in this way:
* ereport(ERROR,
* (errcode(ERRCODE_INVALID_CURSOR_NAME),
* errmsg("portal \"%s\" not found", stmt->portalname),
* ... other errxxx() fields as needed ...));
*
* The error level is required, and so is a primary error message (errmsg
* or errmsg_internal). All else is optional. errcode() defaults to
* ERRCODE_INTERNAL_ERROR.
*----------
*/
#define ereport(elevel, rest) \
(errstart(elevel, __FILE__, __LINE__, PG_FUNCNAME_MACRO) ? \
(errfinish rest) : (void) 0)
extern bool errstart(int elevel, const char *filename, int lineno,
const char *funcname);
extern void errfinish(int dummy, ...);
extern int errcode(int sqlerrcode);
extern int errmsg(const char *fmt, ...)
/* This extension allows gcc to check the format string for consistency with
the supplied arguments. */
__attribute__((format(printf, 1, 2)));
extern int errmsg_internal(const char *fmt, ...)
/* This extension allows gcc to check the format string for consistency with
the supplied arguments. */
__attribute__((format(printf, 1, 2)));
extern int errdetail(const char *fmt, ...)
/* This extension allows gcc to check the format string for consistency with
the supplied arguments. */
__attribute__((format(printf, 1, 2)));
extern int errhint(const char *fmt, ...)
/* This extension allows gcc to check the format string for consistency with
the supplied arguments. */
__attribute__((format(printf, 1, 2)));
extern int errcontext(const char *fmt, ...)
/* This extension allows gcc to check the format string for consistency with
the supplied arguments. */
__attribute__((format(printf, 1, 2)));
extern int errfunction(const char *funcname);
extern int errposition(int cursorpos);
/*----------
* Old-style error reporting API: to be used in this way:
* elog(ERROR, "portal \"%s\" not found", stmt->portalname);
*----------
*/
#define elog errstart(ERROR, __FILE__, __LINE__, PG_FUNCNAME_MACRO), elog_finish
extern void
elog(int lev, const char *fmt,...)
elog_finish(int elevel, const char *fmt, ...)
/* This extension allows gcc to check the format string for consistency with
the supplied arguments. */
__attribute__((format(printf, 2, 3)));
extern int DebugFileOpen(void);
/* Support for attaching context information to error reports */
typedef struct ErrorContextCallback
{
struct ErrorContextCallback *previous;
void (*callback) (void *arg);
void *arg;
} ErrorContextCallback;
extern ErrorContextCallback *error_context_stack;
/* GUC-configurable parameters */
extern bool Log_timestamp;
extern bool Log_pid;
#ifdef HAVE_SYSLOG
extern int Use_syslog;
#endif
/* Other exported functions */
extern void DebugFileOpen(void);
#endif /* ELOG_H */

11
src/interfaces/libpq/fe-connect.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.234 2003/04/22 00:08:07 tgl Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.235 2003/04/24 21:16:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1429,20 +1429,13 @@ keep_going: /* We will come back to here until there
/* Handle errors. */
if (beresp == 'E')
{
if (pqGets(&conn->errorMessage, conn))
if (pqGetErrorNotice(conn, true))
{
/* We'll come back when there is more data */
return PGRES_POLLING_READING;
}
/* OK, we read the message; mark data consumed */
conn->inStart = conn->inCursor;
/*
* The postmaster typically won't end its message with
* a newline, so add one to conform to libpq
* conventions.
*/
appendPQExpBufferChar(&conn->errorMessage, '\n');
goto error_return;
}

162
src/interfaces/libpq/fe-exec.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.130 2003/04/22 00:08:07 tgl Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.131 2003/04/24 21:16:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -55,7 +55,6 @@ static void handleSyncLoss(PGconn *conn, char id, int msgLength);
static int getRowDescriptions(PGconn *conn);
static int getAnotherTuple(PGconn *conn, int binary);
static int getNotify(PGconn *conn);
static int getNotice(PGconn *conn);
/* ---------------
* Escaping arbitrary strings to get valid SQL strings/identifiers.
@ -390,6 +389,16 @@ PQmakeEmptyPGresult(PGconn *conn, ExecStatusType status)
result->cmdStatus[0] = '\0';
result->binary = 0;
result->errMsg = NULL;
result->errSeverity = NULL;
result->errCode = NULL;
result->errPrimary = NULL;
result->errDetail = NULL;
result->errHint = NULL;
result->errPosition = NULL;
result->errContext = NULL;
result->errFilename = NULL;
result->errLineno = NULL;
result->errFuncname = NULL;
result->null_field[0] = '\0';
result->curBlock = NULL;
result->curOffset = 0;
@ -949,7 +958,7 @@ parseInput(PGconn *conn)
}
else if (id == 'N')
{
if (getNotice(conn))
if (pqGetErrorNotice(conn, false))
return;
}
else if (conn->asyncStatus != PGASYNC_BUSY)
@ -968,7 +977,7 @@ parseInput(PGconn *conn)
*/
if (id == 'E')
{
if (getNotice(conn))
if (pqGetErrorNotice(conn, false /* treat as notice */))
return;
}
else
@ -999,10 +1008,8 @@ parseInput(PGconn *conn)
conn->asyncStatus = PGASYNC_READY;
break;
case 'E': /* error return */
if (pqGets(&conn->errorMessage, conn))
if (pqGetErrorNotice(conn, true))
return;
/* build an error result holding the error message */
saveErrorResult(conn);
conn->asyncStatus = PGASYNC_READY;
break;
case 'Z': /* backend is ready for new query */
@ -1540,31 +1547,132 @@ errout:
/*
* Attempt to read a Notice response message.
* Attempt to read an Error or Notice response message.
* This is possible in several places, so we break it out as a subroutine.
* Entry: 'N' message type and length have already been consumed.
* Exit: returns 0 if successfully consumed Notice message.
* Entry: 'E' or 'N' message type and length have already been consumed.
* Exit: returns 0 if successfully consumed message.
* returns EOF if not enough data.
*/
static int
getNotice(PGconn *conn)
int
pqGetErrorNotice(PGconn *conn, bool isError)
{
/*
* Since the Notice might be pretty long, we create a temporary
* PQExpBuffer rather than using conn->workBuffer. workBuffer is
* intended for stuff that is expected to be short.
*/
PQExpBufferData noticeBuf;
PGresult *res;
PQExpBufferData workBuf;
char id;
initPQExpBuffer(&noticeBuf);
if (pqGets(&noticeBuf, conn))
/*
* Make a PGresult to hold the accumulated fields. We temporarily
* lie about the result status, so that PQmakeEmptyPGresult doesn't
* uselessly copy conn->errorMessage.
*/
res = PQmakeEmptyPGresult(conn, PGRES_EMPTY_QUERY);
res->resultStatus = PGRES_FATAL_ERROR;
/*
* Since the fields might be pretty long, we create a temporary
* PQExpBuffer rather than using conn->workBuffer. workBuffer is
* intended for stuff that is expected to be short. We shouldn't
* use conn->errorMessage either, since this might be only a notice.
*/
initPQExpBuffer(&workBuf);
/*
* Read the fields and save into res.
*/
for (;;)
{
termPQExpBuffer(&noticeBuf);
return EOF;
if (pqGetc(&id, conn))
goto fail;
if (id == '\0')
break; /* terminator found */
if (pqGets(&workBuf, conn))
goto fail;
switch (id)
{
case 'S':
res->errSeverity = pqResultStrdup(res, workBuf.data);
break;
case 'C':
res->errCode = pqResultStrdup(res, workBuf.data);
break;
case 'M':
res->errPrimary = pqResultStrdup(res, workBuf.data);
break;
case 'D':
res->errDetail = pqResultStrdup(res, workBuf.data);
break;
case 'H':
res->errHint = pqResultStrdup(res, workBuf.data);
break;
case 'P':
res->errPosition = pqResultStrdup(res, workBuf.data);
break;
case 'W':
res->errContext = pqResultStrdup(res, workBuf.data);
break;
case 'F':
res->errFilename = pqResultStrdup(res, workBuf.data);
break;
case 'L':
res->errLineno = pqResultStrdup(res, workBuf.data);
break;
case 'R':
res->errFuncname = pqResultStrdup(res, workBuf.data);
break;
default:
/* silently ignore any other field type */
break;
}
}
DONOTICE(conn, noticeBuf.data);
termPQExpBuffer(&noticeBuf);
/*
* Now build the "overall" error message for PQresultErrorMessage.
*
* XXX this should be configurable somehow.
*/
resetPQExpBuffer(&workBuf);
if (res->errSeverity)
appendPQExpBuffer(&workBuf, "%s: ", res->errSeverity);
if (res->errPrimary)
appendPQExpBufferStr(&workBuf, res->errPrimary);
/* translator: %s represents a digit string */
if (res->errPosition)
appendPQExpBuffer(&workBuf, libpq_gettext(" at character %s"),
res->errPosition);
appendPQExpBufferChar(&workBuf, '\n');
if (res->errDetail)
appendPQExpBuffer(&workBuf, libpq_gettext("DETAIL: %s\n"),
res->errDetail);
if (res->errHint)
appendPQExpBuffer(&workBuf, libpq_gettext("HINT: %s\n"),
res->errHint);
if (res->errContext)
appendPQExpBuffer(&workBuf, libpq_gettext("CONTEXT: %s\n"),
res->errContext);
/*
* Either save error as current async result, or just emit the notice.
*/
if (isError)
{
res->errMsg = pqResultStrdup(res, workBuf.data);
pqClearAsyncResult(conn);
conn->result = res;
resetPQExpBuffer(&conn->errorMessage);
appendPQExpBufferStr(&conn->errorMessage, workBuf.data);
}
else
{
DONOTICE(conn, workBuf.data);
PQclear(res);
}
termPQExpBuffer(&workBuf);
return 0;
fail:
PQclear(res);
termPQExpBuffer(&workBuf);
return EOF;
}
/*
@ -2123,10 +2231,8 @@ PQfn(PGconn *conn,
}
break;
case 'E': /* error return */
if (pqGets(&conn->errorMessage, conn))
if (pqGetErrorNotice(conn, true))
continue;
/* build an error result holding the error message */
saveErrorResult(conn);
status = PGRES_FATAL_ERROR;
break;
case 'A': /* notify message */
@ -2136,7 +2242,7 @@ PQfn(PGconn *conn,
break;
case 'N': /* notice */
/* handle notice and go back to processing return values */
if (getNotice(conn))
if (pqGetErrorNotice(conn, false))
continue;
break;
case 'Z': /* backend is ready for new query */

27
src/interfaces/libpq/libpq-int.h
View File

@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: libpq-int.h,v 1.63 2003/04/22 00:08:07 tgl Exp $
* $Id: libpq-int.h,v 1.64 2003/04/24 21:16:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -56,7 +56,7 @@ typedef int ssize_t; /* ssize_t doesn't exist in VC (atleast
* pqcomm.h describe what the backend knows, not what libpq knows.
*/
#define PG_PROTOCOL_LIBPQ PG_PROTOCOL(3,102) /* XXX temporary value */
#define PG_PROTOCOL_LIBPQ PG_PROTOCOL(3,103) /* XXX temporary value */
/*
* POSTGRES backend dependent Constants.
@ -101,7 +101,7 @@ typedef struct pgresAttDesc
/* We use char* for Attribute values.
The value pointer always points to a null-terminated area; we add a
null (zero) byte after whatever the backend sends us. This is only
particularly useful for ASCII tuples ... with a binary value, the
particularly useful for text tuples ... with a binary value, the
value might have embedded nulls, so the application can't use C string
operators on it. But we add a null anyway for consistency.
Note that the value itself does not contain a length word.
@ -133,7 +133,7 @@ struct pg_result
char cmdStatus[CMDSTATUS_LEN]; /* cmd status from the
* last query */
int binary; /* binary tuple values if binary == 1,
* otherwise ASCII */
* otherwise text */
/*
* The conn link in PGresult is no longer used by any libpq code. It
@ -152,9 +152,25 @@ struct pg_result
void *noticeArg;
int client_encoding; /* encoding id */
/*
* Error information (all NULL if not an error result). errMsg is the
* "overall" error message returned by PQresultErrorMessage. If we
* got a field-ized error from the server then the additional fields
* may be set.
*/
char *errMsg; /* error message, or NULL if no error */
char *errSeverity; /* severity code */
char *errCode; /* SQLSTATE code */
char *errPrimary; /* primary message text */
char *errDetail; /* detail text */
char *errHint; /* hint text */
char *errPosition; /* cursor position */
char *errContext; /* location information */
char *errFilename; /* source-code file name */
char *errLineno; /* source-code line number */
char *errFuncname; /* source-code function name */
/* All NULL attributes in the query result point to this null string */
char null_field[1];
@ -321,6 +337,7 @@ extern void pqSetResultError(PGresult *res, const char *msg);
extern void *pqResultAlloc(PGresult *res, size_t nBytes, bool isBinary);
extern char *pqResultStrdup(PGresult *res, const char *str);
extern void pqClearAsyncResult(PGconn *conn);
extern int pqGetErrorNotice(PGconn *conn, bool isError);
/* === in fe-misc.c === */

51
src/pl/plpgsql/src/pl_comp.c
View File

@ -3,7 +3,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_comp.c,v 1.55 2003/03/25 00:34:23 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_comp.c,v 1.56 2003/04/24 21:16:44 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -80,6 +80,7 @@ int plpgsql_DumpExecTree = 0;
PLpgSQL_function *plpgsql_curr_compile;
static void plpgsql_compile_error_callback(void *arg);
static PLpgSQL_row *build_rowtype(Oid classOid);
@ -121,7 +122,7 @@ plpgsql_compile(Oid fn_oid, int functype)
PLpgSQL_rec *rec;
int i;
int arg_varnos[FUNC_MAX_ARGS];
sigjmp_buf save_restart;
ErrorContextCallback plerrcontext;
/*
* Lookup the pg_proc tuple by Oid
@ -133,37 +134,25 @@ plpgsql_compile(Oid fn_oid, int functype)
elog(ERROR, "plpgsql: cache lookup for proc %u failed", fn_oid);
/*
* Setup the scanner input and error info
* Setup the scanner input and error info. We assume that this function
* cannot be invoked recursively, so there's no need to save and restore
* the static variables used here.
*/
procStruct = (Form_pg_proc) GETSTRUCT(procTup);
proc_source = DatumGetCString(DirectFunctionCall1(textout,
PointerGetDatum(&procStruct->prosrc)));
plpgsql_setinput(proc_source, functype);
plpgsql_error_funcname = pstrdup(NameStr(procStruct->proname));
plpgsql_error_lineno = 0;
/*
* Catch elog() so we can provide notice about where the error is
* Setup error traceback support for ereport()
*/
memcpy(&save_restart, &Warn_restart, sizeof(save_restart));
if (sigsetjmp(Warn_restart, 1) != 0)
{
memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart));
/*
* If we are the first of cascaded error catchings, print where
* this happened
*/
if (plpgsql_error_funcname != NULL)
{
elog(WARNING, "plpgsql: ERROR during compile of %s near line %d",
plpgsql_error_funcname, plpgsql_error_lineno);
plpgsql_error_funcname = NULL;
}
siglongjmp(Warn_restart, 1);
}
plerrcontext.callback = plpgsql_compile_error_callback;
plerrcontext.arg = NULL;
plerrcontext.previous = error_context_stack;
error_context_stack = &plerrcontext;
/*
* Initialize the compiler
@ -530,11 +519,11 @@ plpgsql_compile(Oid fn_oid, int functype)
ReleaseSysCache(procTup);
/*
* Restore the previous elog() jump target
* Pop the error context stack
*/
error_context_stack = plerrcontext.previous;
plpgsql_error_funcname = NULL;
plpgsql_error_lineno = 0;
memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart));
/*
* Finally return the compiled function
@ -545,6 +534,18 @@ plpgsql_compile(Oid fn_oid, int functype)
}
/*
* error context callback to let us supply a call-stack traceback
*/
static void
plpgsql_compile_error_callback(void *arg)
{
if (plpgsql_error_funcname)
errcontext("compile of PL/pgSQL function %s near line %d",
plpgsql_error_funcname, plpgsql_error_lineno);
}
/* ----------
* plpgsql_parse_word The scanner calls this to postparse
* any single word not found by a

219
src/pl/plpgsql/src/pl_exec.c
View File

@ -3,7 +3,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.85 2003/04/08 23:20:04 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.86 2003/04/24 21:16:44 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -55,14 +55,12 @@
#include "utils/syscache.h"
static PLpgSQL_function *error_info_func = NULL;
static PLpgSQL_stmt *error_info_stmt = NULL;
static char *error_info_text = NULL;
static const char * const raise_skip_msg = "RAISE";
/************************************************************
* Local function forward declarations
************************************************************/
static void plpgsql_exec_error_callback(void *arg);
static PLpgSQL_var *copy_var(PLpgSQL_var * var);
static PLpgSQL_rec *copy_rec(PLpgSQL_rec * rec);
@ -173,61 +171,26 @@ Datum
plpgsql_exec_function(PLpgSQL_function * func, FunctionCallInfo fcinfo)
{
PLpgSQL_execstate estate;
ErrorContextCallback plerrcontext;
int i;
sigjmp_buf save_restart;
PLpgSQL_function *save_efunc;
PLpgSQL_stmt *save_estmt;
char *save_etext;
/*
* Setup debug error info and catch elog()
*/
save_efunc = error_info_func;
save_estmt = error_info_stmt;
save_etext = error_info_text;
error_info_func = func;
error_info_stmt = NULL;
error_info_text = "while initialization of execution state";
memcpy(&save_restart, &Warn_restart, sizeof(save_restart));
if (sigsetjmp(Warn_restart, 1) != 0)
{
memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart));
/*
* If we are the first of cascaded error catchings, print where
* this happened
*/
if (error_info_func != NULL)
{
elog(WARNING, "Error occurred while executing PL/pgSQL function %s",
error_info_func->fn_name);
if (error_info_stmt != NULL)
elog(WARNING, "line %d at %s", error_info_stmt->lineno,
plpgsql_stmt_typename(error_info_stmt));
else if (error_info_text != NULL)
elog(WARNING, "%s", error_info_text);
else
elog(WARNING, "no more error information available");
error_info_func = NULL;
error_info_stmt = NULL;
error_info_text = NULL;
}
siglongjmp(Warn_restart, 1);
}
/*
* Setup the execution state
*/
plpgsql_estate_setup(&estate, func, (ReturnSetInfo *) fcinfo->resultinfo);
/*
* Setup error traceback support for ereport()
*/
plerrcontext.callback = plpgsql_exec_error_callback;
plerrcontext.arg = &estate;
plerrcontext.previous = error_context_stack;
error_context_stack = &plerrcontext;
/*
* Make local execution copies of all the datums
*/
estate.err_text = "while initialization of execution state";
for (i = 0; i < func->ndatums; i++)
{
switch (func->datums[i]->dtype)
@ -257,7 +220,7 @@ plpgsql_exec_function(PLpgSQL_function * func, FunctionCallInfo fcinfo)
/*
* Put the actual call argument values into the variables
*/
error_info_text = "while putting call arguments to local variables";
estate.err_text = "while putting call arguments to local variables";
for (i = 0; i < func->fn_nargs; i++)
{
int n = func->fn_argvarnos[i];
@ -298,7 +261,7 @@ plpgsql_exec_function(PLpgSQL_function * func, FunctionCallInfo fcinfo)
* Initialize the other variables to NULL values for now. The default
* values are set when the blocks are entered.
*/
error_info_text = "while initializing local variables to NULL";
estate.err_text = "while initializing local variables to NULL";
for (i = estate.found_varno; i < estate.ndatums; i++)
{
switch (estate.datums[i]->dtype)
@ -333,20 +296,20 @@ plpgsql_exec_function(PLpgSQL_function * func, FunctionCallInfo fcinfo)
/*
* Now call the toplevel block of statements
*/
error_info_text = NULL;
error_info_stmt = (PLpgSQL_stmt *) (func->action);
estate.err_text = NULL;
estate.err_stmt = (PLpgSQL_stmt *) (func->action);
if (exec_stmt_block(&estate, func->action) != PLPGSQL_RC_RETURN)
{
error_info_stmt = NULL;
error_info_text = "at END of toplevel PL block";
estate.err_stmt = NULL;
estate.err_text = "at END of toplevel PL block";
elog(ERROR, "control reaches end of function without RETURN");
}
/*
* We got a return value - process it
*/
error_info_stmt = NULL;
error_info_text = "while casting return value to function's return type";
estate.err_stmt = NULL;
estate.err_text = "while casting return value to function's return type";
fcinfo->isnull = estate.retisnull;
@ -417,12 +380,9 @@ plpgsql_exec_function(PLpgSQL_function * func, FunctionCallInfo fcinfo)
exec_eval_cleanup(&estate);
/*
* Restore the previous error info and elog() jump target
* Pop the error context stack
*/
error_info_func = save_efunc;
error_info_stmt = save_estmt;
error_info_text = save_etext;
memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart));
error_context_stack = plerrcontext.previous;
/*
* Return the functions result
@ -441,65 +401,30 @@ plpgsql_exec_trigger(PLpgSQL_function * func,
TriggerData *trigdata)
{
PLpgSQL_execstate estate;
ErrorContextCallback plerrcontext;
int i;
sigjmp_buf save_restart;
PLpgSQL_function *save_efunc;
PLpgSQL_stmt *save_estmt;
char *save_etext;
PLpgSQL_var *var;
PLpgSQL_rec *rec_new,
*rec_old;
HeapTuple rettup;
/*
* Setup debug error info and catch elog()
*/
save_efunc = error_info_func;
save_estmt = error_info_stmt;
save_etext = error_info_text;
error_info_func = func;
error_info_stmt = NULL;
error_info_text = "while initialization of execution state";
memcpy(&save_restart, &Warn_restart, sizeof(save_restart));
if (sigsetjmp(Warn_restart, 1) != 0)
{
memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart));
/*
* If we are the first of cascaded error catchings, print where
* this happened
*/
if (error_info_func != NULL)
{
elog(WARNING, "Error occurred while executing PL/pgSQL function %s",
error_info_func->fn_name);
if (error_info_stmt != NULL)
elog(WARNING, "line %d at %s", error_info_stmt->lineno,
plpgsql_stmt_typename(error_info_stmt));
else if (error_info_text != NULL)
elog(WARNING, "%s", error_info_text);
else
elog(WARNING, "no more error information available");
error_info_func = NULL;
error_info_stmt = NULL;
error_info_text = NULL;
}
siglongjmp(Warn_restart, 1);
}
/*
* Setup the execution state
*/
plpgsql_estate_setup(&estate, func, NULL);
/*
* Setup error traceback support for ereport()
*/
plerrcontext.callback = plpgsql_exec_error_callback;
plerrcontext.arg = &estate;
plerrcontext.previous = error_context_stack;
error_context_stack = &plerrcontext;
/*
* Make local execution copies of all the datums
*/
estate.err_text = "while initialization of execution state";
for (i = 0; i < func->ndatums; i++)
{
switch (func->datums[i]->dtype)
@ -634,7 +559,7 @@ plpgsql_exec_trigger(PLpgSQL_function * func,
* Put the actual call argument values into the special execution
* state variables
*/
error_info_text = "while putting call arguments to local variables";
estate.err_text = "while putting call arguments to local variables";
estate.trig_nargs = trigdata->tg_trigger->tgnargs;
if (estate.trig_nargs == 0)
estate.trig_argv = NULL;
@ -650,7 +575,7 @@ plpgsql_exec_trigger(PLpgSQL_function * func,
* Initialize the other variables to NULL values for now. The default
* values are set when the blocks are entered.
*/
error_info_text = "while initializing local variables to NULL";
estate.err_text = "while initializing local variables to NULL";
for (i = estate.found_varno; i < estate.ndatums; i++)
{
switch (estate.datums[i]->dtype)
@ -686,12 +611,12 @@ plpgsql_exec_trigger(PLpgSQL_function * func,
/*
* Now call the toplevel block of statements
*/
error_info_text = NULL;
error_info_stmt = (PLpgSQL_stmt *) (func->action);
estate.err_text = NULL;
estate.err_stmt = (PLpgSQL_stmt *) (func->action);
if (exec_stmt_block(&estate, func->action) != PLPGSQL_RC_RETURN)
{
error_info_stmt = NULL;
error_info_text = "at END of toplevel PL block";
estate.err_stmt = NULL;
estate.err_text = "at END of toplevel PL block";
elog(ERROR, "control reaches end of trigger procedure without RETURN");
}
@ -723,12 +648,9 @@ plpgsql_exec_trigger(PLpgSQL_function * func,
exec_eval_cleanup(&estate);
/*
* Restore the previous error info and elog() jump target
* Pop the error context stack
*/
error_info_func = save_efunc;
error_info_stmt = save_estmt;
error_info_text = save_etext;
memcpy(&Warn_restart, &save_restart, sizeof(Warn_restart));
error_context_stack = plerrcontext.previous;
/*
* Return the triggers result
@ -737,6 +659,37 @@ plpgsql_exec_trigger(PLpgSQL_function * func,
}
/*
* error context callback to let us supply a call-stack traceback
*/
static void
plpgsql_exec_error_callback(void *arg)
{
PLpgSQL_execstate *estate = (PLpgSQL_execstate *) arg;
/* safety check, shouldn't happen */
if (estate->err_func == NULL)
return;
/* if we are doing RAISE, don't report its location */
if (estate->err_text == raise_skip_msg)
return;
if (estate->err_stmt != NULL)
errcontext("PL/pgSQL function %s line %d at %s",
estate->err_func->fn_name,
estate->err_stmt->lineno,
plpgsql_stmt_typename(estate->err_stmt));
else if (estate->err_text != NULL)
errcontext("PL/pgSQL function %s %s",
estate->err_func->fn_name,
estate->err_text);
else
errcontext("PL/pgSQL function %s",
estate->err_func->fn_name);
}
/* ----------
* Support functions for copying local execution variables
* ----------
@ -909,8 +862,8 @@ exec_stmt(PLpgSQL_execstate * estate, PLpgSQL_stmt * stmt)
PLpgSQL_stmt *save_estmt;
int rc = -1;
save_estmt = error_info_stmt;
error_info_stmt = stmt;
save_estmt = estate->err_stmt;
estate->err_stmt = stmt;
CHECK_FOR_INTERRUPTS();
@ -997,12 +950,12 @@ exec_stmt(PLpgSQL_execstate * estate, PLpgSQL_stmt * stmt)
break;
default:
error_info_stmt = save_estmt;
estate->err_stmt = save_estmt;
elog(ERROR, "unknown cmdtype %d in exec_stmt",
stmt->cmd_type);
}
error_info_stmt = save_estmt;
estate->err_stmt = save_estmt;
return rc;
}
@ -1854,15 +1807,15 @@ exec_stmt_raise(PLpgSQL_execstate * estate, PLpgSQL_stmt_raise * stmt)
}
/*
* Now suppress debug info and throw the elog()
* Throw the error (may or may not come back)
*/
if (stmt->elog_level == ERROR)
{
error_info_func = NULL;
error_info_stmt = NULL;
error_info_text = NULL;
}
elog(stmt->elog_level, "%s", plpgsql_dstring_get(&ds));
estate->err_text = raise_skip_msg; /* suppress traceback of raise */
ereport(stmt->elog_level,
(errmsg_internal("%s", plpgsql_dstring_get(&ds))));
estate->err_text = NULL; /* un-suppress... */
plpgsql_dstring_free(&ds);
return PLPGSQL_RC_OK;
@ -1905,6 +1858,10 @@ plpgsql_estate_setup(PLpgSQL_execstate * estate,
estate->eval_processed = 0;
estate->eval_lastoid = InvalidOid;
estate->eval_econtext = NULL;
estate->err_func = func;
estate->err_stmt = NULL;
estate->err_text = NULL;
}
/* ----------

7
src/pl/plpgsql/src/plpgsql.h
View File

@ -3,7 +3,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/plpgsql.h,v 1.33 2003/03/25 03:16:41 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/plpgsql.h,v 1.34 2003/04/24 21:16:44 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -552,6 +552,11 @@ typedef struct
uint32 eval_processed;
Oid eval_lastoid;
ExprContext *eval_econtext;
/* status information for error context reporting */
PLpgSQL_function *err_func; /* current func */
PLpgSQL_stmt *err_stmt; /* current stmt */
const char *err_text; /* additional state info */
} PLpgSQL_execstate;

3
src/test/regress/expected/alter_table.out
View File

@ -994,7 +994,8 @@ ERROR: Relation "test" has no column "a"
copy test("........pg.dropped.1........") to stdout;
ERROR: Relation "test" has no column "........pg.dropped.1........"
copy test from stdin;
ERROR: copy: line 1, Extra data after last expected column
ERROR: Extra data after last expected column
CONTEXT: COPY FROM, line 1
SET autocommit TO 'on';
select * from test;
b | c

12
src/test/regress/expected/copy2.out
View File

@ -34,14 +34,18 @@ COPY x (a, b, c, d, e, d, c) from stdin;
ERROR: Attribute "d" specified more than once
-- missing data: should fail
COPY x from stdin;
ERROR: copy: line 1, pg_atoi: zero-length string
ERROR: pg_atoi: zero-length string
CONTEXT: COPY FROM, line 1
COPY x from stdin;
ERROR: copy: line 1, Missing data for column "e"
ERROR: Missing data for column "e"
CONTEXT: COPY FROM, line 1
COPY x from stdin;
ERROR: copy: line 1, Missing data for column "e"
ERROR: Missing data for column "e"
CONTEXT: COPY FROM, line 1
-- extra data: should fail
COPY x from stdin;
ERROR: copy: line 1, Extra data after last expected column
ERROR: Extra data after last expected column
CONTEXT: COPY FROM, line 1
SET autocommit TO 'on';
-- various COPY options: delimiters, oids, NULL string
COPY x (b, c, d, e) from stdin with oids delimiter ',' null 'x';

9
src/test/regress/expected/domain.out
View File

@ -39,7 +39,8 @@ ERROR: value too long for type character varying(5)
INSERT INTO basictest values ('88', 'haha', 'short', '123.1212'); -- Truncate numeric
-- Test copy
COPY basictest (testvarchar) FROM stdin; -- fail
ERROR: copy: line 1, value too long for type character varying(5)
ERROR: value too long for type character varying(5)
CONTEXT: COPY FROM, line 1
SET autocommit TO 'on';
COPY basictest (testvarchar) FROM stdin;
select * from basictest;
@ -126,11 +127,13 @@ ERROR: ExecInsert: Fail to add null value in not null attribute col3
INSERT INTO nulltest values ('a', 'b', 'c', NULL, 'd'); -- Good
-- Test copy
COPY nulltest FROM stdin; --fail
ERROR: copy: line 1, Domain dcheck does not allow NULL values
ERROR: Domain dcheck does not allow NULL values
CONTEXT: COPY FROM, line 1
SET autocommit TO 'on';
-- Last row is bad
COPY nulltest FROM stdin;
ERROR: copy: line 3, CopyFrom: rejected due to CHECK constraint "nulltest_col5" on "nulltest"
ERROR: CopyFrom: rejected due to CHECK constraint "nulltest_col5" on "nulltest"
CONTEXT: COPY FROM, line 3
select * from nulltest;
col1 | col2 | col3 | col4 | col5
------+------+------+------+------

4
src/test/regress/expected/plpgsql.out
View File

@ -1518,12 +1518,16 @@ insert into PField values ('PF1_1', 'should fail due to unique index');
ERROR: Cannot insert a duplicate key into unique index pfield_name
update PSlot set backlink = 'WS.not.there' where slotname = 'PS.base.a1';
ERROR: WS.not.there does not exist
CONTEXT: PL/pgSQL function tg_backlink_a line 16 at assignment
update PSlot set backlink = 'XX.illegal' where slotname = 'PS.base.a1';
ERROR: illegal backlink beginning with XX
CONTEXT: PL/pgSQL function tg_backlink_a line 16 at assignment
update PSlot set slotlink = 'PS.not.there' where slotname = 'PS.base.a1';
ERROR: PS.not.there does not exist
CONTEXT: PL/pgSQL function tg_slotlink_a line 16 at assignment
update PSlot set slotlink = 'XX.illegal' where slotname = 'PS.base.a1';
ERROR: illegal slotlink beginning with XX
CONTEXT: PL/pgSQL function tg_slotlink_a line 16 at assignment
insert into HSlot values ('HS', 'base.hub1', 1, '');
ERROR: Cannot insert a duplicate key into unique index hslot_name
insert into HSlot values ('HS', 'base.hub1', 20, '');

3
src/test/regress/output/constraints.source
View File

@ -273,7 +273,8 @@ SELECT '' AS two, * FROM COPY_TBL;
(2 rows)
COPY COPY_TBL FROM '@abs_srcdir@/data/constrf.data';
ERROR: copy: line 2, CopyFrom: rejected due to CHECK constraint "copy_con" on "copy_tbl"
ERROR: CopyFrom: rejected due to CHECK constraint "copy_con" on "copy_tbl"
CONTEXT: COPY FROM, line 2
SELECT * FROM COPY_TBL;
x | y | z
---+---------------+---