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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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27
src/interfaces/libpq/libpq-int.h
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@@ -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 === */