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/* src/interfaces/ecpg/ecpglib/error.c */
#define POSTGRES_ECPG_INTERNAL
#include "postgres_fe.h"
#include "ecpgerrno.h"
#include "ecpglib.h"
#include "ecpglib_extern.h"
#include "ecpgtype.h"
#include "sqlca.h"
void
ecpg_raise(int line, int code, const char *sqlstate, const char *str)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
if (sqlca == NULL)
{
ecpg_log("out of memory");
ECPGfree_auto_mem();
return;
}
sqlca->sqlcode = code;
strncpy(sqlca->sqlstate, sqlstate, sizeof(sqlca->sqlstate));
switch (code)
{
case ECPG_NOT_FOUND:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("no data found on line %d"), line);
break;
case ECPG_OUT_OF_MEMORY:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("out of memory on line %d"), line);
break;
case ECPG_UNSUPPORTED:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("unsupported type \"%s\" on line %d"), str, line);
break;
case ECPG_TOO_MANY_ARGUMENTS:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("too many arguments on line %d"), line);
break;
case ECPG_TOO_FEW_ARGUMENTS:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("too few arguments on line %d"), line);
break;
case ECPG_INT_FORMAT:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("invalid input syntax for type int: \"%s\", on line %d"), str, line);
break;
case ECPG_UINT_FORMAT:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("invalid input syntax for type unsigned int: \"%s\", on line %d"), str, line);
break;
case ECPG_FLOAT_FORMAT:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("invalid input syntax for floating-point type: \"%s\", on line %d"), str, line);
break;
case ECPG_CONVERT_BOOL:
if (str)
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("invalid syntax for type boolean: \"%s\", on line %d"), str, line);
else
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("could not convert boolean value: size mismatch, on line %d"), line);
break;
case ECPG_EMPTY:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("empty query on line %d"), line);
break;
case ECPG_MISSING_INDICATOR:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("null value without indicator on line %d"), line);
break;
case ECPG_NO_ARRAY:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("variable does not have an array type on line %d"), line);
break;
case ECPG_DATA_NOT_ARRAY:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("data read from server is not an array on line %d"), line);
break;
case ECPG_ARRAY_INSERT:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("inserting an array of variables is not supported on line %d"), line);
break;
case ECPG_NO_CONN:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("connection \"%s\" does not exist on line %d"), str, line);
break;
case ECPG_NOT_CONN:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("not connected to connection \"%s\" on line %d"), str, line);
break;
case ECPG_INVALID_STMT:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("invalid statement name \"%s\" on line %d"), str, line);
break;
case ECPG_UNKNOWN_DESCRIPTOR:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("descriptor \"%s\" not found on line %d"), str, line);
break;
case ECPG_INVALID_DESCRIPTOR_INDEX:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("descriptor index out of range on line %d"), line);
break;
case ECPG_UNKNOWN_DESCRIPTOR_ITEM:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("unrecognized descriptor item \"%s\" on line %d"), str, line);
break;
case ECPG_VAR_NOT_NUMERIC:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("variable does not have a numeric type on line %d"), line);
break;
case ECPG_VAR_NOT_CHAR:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("variable does not have a character type on line %d"), line);
break;
case ECPG_TRANS:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("error in transaction processing on line %d"), line);
break;
case ECPG_CONNECT:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("could not connect to database \"%s\" on line %d"), str, line);
break;
default:
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc),
/*------
translator: this string will be truncated at 149 characters expanded. */
ecpg_gettext("SQL error %d on line %d"), code, line);
break;
}
sqlca->sqlerrm.sqlerrml = strlen(sqlca->sqlerrm.sqlerrmc);
ecpg_log("raising sqlcode %d on line %d: %s\n", code, line, sqlca->sqlerrm.sqlerrmc);
/* free all memory we have allocated for the user */
ECPGfree_auto_mem();
}
void
ecpg_raise_backend(int line, PGresult *result, PGconn *conn, int compat)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
char *sqlstate;
char *message;
if (sqlca == NULL)
{
ecpg_log("out of memory");
ECPGfree_auto_mem();
return;
}
/*
* PQresultErrorField will return NULL if "result" is NULL, or if there is
* no such field, which will happen for libpq-generated errors. Fall back
* to PQerrorMessage in such cases.
*/
sqlstate = PQresultErrorField(result, PG_DIAG_SQLSTATE);
if (sqlstate == NULL)
sqlstate = ECPG_SQLSTATE_ECPG_INTERNAL_ERROR;
message = PQresultErrorField(result, PG_DIAG_MESSAGE_PRIMARY);
if (message == NULL)
message = PQerrorMessage(conn);
if (strcmp(sqlstate, ECPG_SQLSTATE_ECPG_INTERNAL_ERROR) == 0)
{
/*
* we might get here if the connection breaks down, so let's check for
* this instead of giving just the generic internal error
*/
if (PQstatus(conn) == CONNECTION_BAD)
{
sqlstate = "57P02";
message = ecpg_gettext("the connection to the server was lost");
}
}
/* copy error message */
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc), "%s on line %d", message, line);
sqlca->sqlerrm.sqlerrml = strlen(sqlca->sqlerrm.sqlerrmc);
/* copy SQLSTATE */
strncpy(sqlca->sqlstate, sqlstate, sizeof(sqlca->sqlstate));
/* assign SQLCODE for backward compatibility */
if (strncmp(sqlca->sqlstate, "23505", sizeof(sqlca->sqlstate)) == 0)
sqlca->sqlcode = INFORMIX_MODE(compat) ? ECPG_INFORMIX_DUPLICATE_KEY : ECPG_DUPLICATE_KEY;
else if (strncmp(sqlca->sqlstate, "21000", sizeof(sqlca->sqlstate)) == 0)
sqlca->sqlcode = INFORMIX_MODE(compat) ? ECPG_INFORMIX_SUBSELECT_NOT_ONE : ECPG_SUBSELECT_NOT_ONE;
else
sqlca->sqlcode = ECPG_PGSQL;
ecpg_log("raising sqlstate %.*s (sqlcode %ld): %s\n",
(int) sizeof(sqlca->sqlstate), sqlca->sqlstate, sqlca->sqlcode, sqlca->sqlerrm.sqlerrmc);
/* free all memory we have allocated for the user */
ECPGfree_auto_mem();
}
/* filter out all error codes */
bool
ecpg_check_PQresult(PGresult *results, int lineno, PGconn *connection, enum COMPAT_MODE compat)
{
if (results == NULL)
{
ecpg_log("ecpg_check_PQresult on line %d: no result - %s", lineno, PQerrorMessage(connection));
ecpg_raise_backend(lineno, NULL, connection, compat);
return false;
}
switch (PQresultStatus(results))
{
case PGRES_TUPLES_OK:
return true;
break;
case PGRES_EMPTY_QUERY:
/* do nothing */
ecpg_raise(lineno, ECPG_EMPTY, ECPG_SQLSTATE_ECPG_INTERNAL_ERROR, NULL);
PQclear(results);
return false;
break;
case PGRES_COMMAND_OK:
return true;
break;
case PGRES_NONFATAL_ERROR:
case PGRES_FATAL_ERROR:
case PGRES_BAD_RESPONSE:
ecpg_log("ecpg_check_PQresult on line %d: bad response - %s", lineno, PQresultErrorMessage(results));
ecpg_raise_backend(lineno, results, connection, compat);
PQclear(results);
return false;
break;
case PGRES_COPY_OUT:
return true;
break;
case PGRES_COPY_IN:
ecpg_log("ecpg_check_PQresult on line %d: COPY IN data transfer in progress\n", lineno);
PQendcopy(connection);
PQclear(results);
return false;
break;
default:
ecpg_log("ecpg_check_PQresult on line %d: unknown execution status type\n",
lineno);
ecpg_raise_backend(lineno, results, connection, compat);
PQclear(results);
return false;
break;
}
}
/* print out an error message */
void
sqlprint(void)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
if (sqlca == NULL)
{
ecpg_log("out of memory");
return;
}
sqlca->sqlerrm.sqlerrmc[sqlca->sqlerrm.sqlerrml] = '\0';
fprintf(stderr, ecpg_gettext("SQL error: %s\n"), sqlca->sqlerrm.sqlerrmc);
}
|
