error.c File Reference

#include "postgres_fe.h"
#include "ecpgerrno.h"
#include "ecpglib.h"
#include "ecpglib_extern.h"
#include "ecpgtype.h"
#include "sqlca.h"

Include dependency graph for error.c:

Go to the source code of this file.

Macros
#define	POSTGRES_ECPG_INTERNAL

Functions
void	ecpg_raise (int line, int code, const char *sqlstate, const char *str)
void	ecpg_raise_backend (int line, PGresult *result, PGconn *conn, int compat)
bool	ecpg_check_PQresult (PGresult *results, int lineno, PGconn *connection, enum COMPAT_MODE compat)
void	sqlprint (void)

Macro Definition Documentation

POSTGRES_ECPG_INTERNAL

#define POSTGRES_ECPG_INTERNAL

Definition at line 3 of file error.c.

Function Documentation

ecpg_check_PQresult()

bool ecpg_check_PQresult	(	PGresult *	results,
		int	lineno,
		PGconn *	connection,
		enum COMPAT_MODE	compat
	)

Definition at line 281 of file error.c.

{
    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;
    }
}

References compat, ECPG_EMPTY, ecpg_log(), ecpg_raise(), ecpg_raise_backend(), ECPG_SQLSTATE_ECPG_INTERNAL_ERROR, PGRES_BAD_RESPONSE, PGRES_COMMAND_OK, PGRES_COPY_IN, PGRES_COPY_OUT, PGRES_EMPTY_QUERY, PGRES_FATAL_ERROR, PGRES_NONFATAL_ERROR, PGRES_TUPLES_OK, PQclear(), PQendcopy(), PQerrorMessage(), PQresultErrorMessage(), and PQresultStatus().

Referenced by deallocate_one(), ecpg_autostart_transaction(), ecpg_execute(), ECPGdescribe(), ECPGsetcommit(), ECPGtrans(), and prepare_common().

ecpg_raise()

void ecpg_raise	(	int	line,
		int	code,
		const char *	sqlstate,
		const char *	str
	)

Definition at line 13 of file error.c.

{
    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();
}

References ECPG_ARRAY_INSERT, ECPG_CONNECT, ECPG_CONVERT_BOOL, ECPG_DATA_NOT_ARRAY, ECPG_EMPTY, ECPG_FLOAT_FORMAT, ecpg_gettext, ECPG_INT_FORMAT, ECPG_INVALID_DESCRIPTOR_INDEX, ECPG_INVALID_STMT, ecpg_log(), ECPG_MISSING_INDICATOR, ECPG_NO_ARRAY, ECPG_NO_CONN, ECPG_NOT_CONN, ECPG_NOT_FOUND, ECPG_OUT_OF_MEMORY, ECPG_TOO_FEW_ARGUMENTS, ECPG_TOO_MANY_ARGUMENTS, ECPG_TRANS, ECPG_UINT_FORMAT, ECPG_UNKNOWN_DESCRIPTOR, ECPG_UNKNOWN_DESCRIPTOR_ITEM, ECPG_UNSUPPORTED, ECPG_VAR_NOT_CHAR, ECPG_VAR_NOT_NUMERIC, ECPGfree_auto_mem(), ECPGget_sqlca(), snprintf, sqlca, sqlca_t::sqlstate, and str.

Referenced by deallocate_one(), ecpg_alloc(), ecpg_build_params(), ecpg_check_PQresult(), ecpg_do_prologue(), ecpg_find_desc(), ecpg_get_data(), ecpg_init(), ecpg_process_output(), ecpg_realloc(), ecpg_store_input(), ecpg_store_result(), ecpg_strdup(), ECPGallocate_desc(), ECPGconnect(), ECPGdeallocate(), ECPGdeallocate_desc(), ECPGdescribe(), ECPGdisconnect(), ECPGget_desc(), ECPGget_desc_header(), ECPGset_desc(), ECPGset_var(), ECPGstatus(), get_char_item(), get_int_item(), and set_int_item().

ecpg_raise_backend()

void ecpg_raise_backend	(	int	line,
		PGresult *	result,
		PGconn *	conn,
		int	compat
	)

Definition at line 219 of file error.c.

{
    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();
}

References compat, conn, CONNECTION_BAD, ECPG_DUPLICATE_KEY, ecpg_gettext, ECPG_INFORMIX_DUPLICATE_KEY, ECPG_INFORMIX_SUBSELECT_NOT_ONE, ecpg_log(), ECPG_PGSQL, ECPG_SQLSTATE_ECPG_INTERNAL_ERROR, ECPG_SUBSELECT_NOT_ONE, ECPGfree_auto_mem(), ECPGget_sqlca(), INFORMIX_MODE, PG_DIAG_MESSAGE_PRIMARY, PG_DIAG_SQLSTATE, PQerrorMessage(), PQresultErrorField(), PQstatus(), snprintf, sqlca, and sqlca_t::sqlstate.

Referenced by ecpg_check_PQresult(), and ecpg_process_output().

sqlprint()

void sqlprint

(

void

)

Definition at line 334 of file error.c.

{
    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);
}

References ecpg_gettext, ecpg_log(), ECPGget_sqlca(), fprintf, and sqlca.

Referenced by check_result_of_insert(), commitTable(), execute_test(), fn(), main(), print(), print2(), test(), and test_thread().