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Added error code from SQLite into returned value on error

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This commit is contained in:
Alexey Romanov
2010-11-23 15:56:30 +03:00
parent 9041a0bb98
commit 2ea2dc8fcc
3 changed files with 28 additions and 26 deletions
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46
c_src/sqlite3_drv.c
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@@ -118,32 +118,34 @@ static int control(ErlDrvData drv_data, unsigned int command, char *buf,
return 0;
}
static inline int return_error(sqlite3_drv_t *drv, const char *error,
ErlDrvTermData **spec, int *term_count) {
*spec = (ErlDrvTermData *) malloc(9 * sizeof(ErlDrvTermData));
static inline int return_error(sqlite3_drv_t *drv, int error_code,
const char *error, ErlDrvTermData **spec, int *term_count) {
*spec = (ErlDrvTermData *) malloc(11 * sizeof(ErlDrvTermData));
(*spec)[0] = ERL_DRV_PORT;
(*spec)[1] = driver_mk_port(drv->port);
(*spec)[2] = ERL_DRV_ATOM;
(*spec)[3] = drv->atom_error;
(*spec)[4] = ERL_DRV_STRING;
(*spec)[5] = (ErlDrvTermData) error;
(*spec)[6] = strlen(error);
(*spec)[7] = ERL_DRV_TUPLE;
(*spec)[8] = 3;
*term_count = 9;
(*spec)[4] = ERL_DRV_INT;
(*spec)[5] = error_code;
(*spec)[6] = ERL_DRV_STRING;
(*spec)[7] = (ErlDrvTermData) error;
(*spec)[8] = strlen(error);
(*spec)[9] = ERL_DRV_TUPLE;
(*spec)[10] = 4;
*term_count = 11;
return 0;
}
static inline int output_error(sqlite3_drv_t *drv, const char *error) {
static inline int output_error(sqlite3_drv_t *drv, int error_code, const char *error) {
ErlDrvTermData *dataset;
int term_count;
return_error(drv, error, &dataset, &term_count);
return_error(drv, error_code, error, &dataset, &term_count);
driver_output_term(drv->port, dataset, term_count);
return 0;
}
static inline int output_db_error(sqlite3_drv_t *drv) {
return output_error(drv, sqlite3_errmsg(drv->db));
return output_error(drv, sqlite3_errcode(drv->db), sqlite3_errmsg(drv->db));
}
static inline int sql_exec_statement(sqlite3_drv_t *drv, sqlite3_stmt *statement) {
@@ -215,7 +217,7 @@ static inline int decode_and_bind_param(
result = sqlite3_bind_null(statement, param_index);
}
else {
output_error(drv, "Non-null atom as parameter");
output_error(drv, SQLITE_MISUSE, "Non-null atom as parameter");
return 1;
}
break;
@@ -242,7 +244,7 @@ static inline int decode_and_bind_param(
result = sqlite3_bind_blob(statement, param_index, char_buf_val, *size, &free);
break;
default:
output_error(drv, "bad parameter type");
output_error(drv, SQLITE_MISUSE, "bad parameter type");
return 1;
}
if (result != SQLITE_OK) {
@@ -265,13 +267,13 @@ static int sql_bind_and_exec(sqlite3_drv_t *drv, char *buffer, int buffer_size)
ei_decode_version(buffer, &index, NULL);
result = ei_decode_tuple_header(buffer, &index, &size);
if (size != 2) {
return output_error(drv, "bad argument");
return output_error(drv, SQLITE_MISUSE, "bad argument");
}
// decode SQL statement
ei_get_type(buffer, &index, &type, &size);
if (type != ERL_BINARY_EXT) {
return output_error(drv, "bad argument");
return output_error(drv, SQLITE_MISUSE, "bad argument");
}
char *command = malloc(size * sizeof(char));
@@ -298,7 +300,7 @@ static int sql_bind_and_exec(sqlite3_drv_t *drv, char *buffer, int buffer_size)
// param with name or explicit index
param_indices_are_explicit = 1;
if (size != 2) {
return output_error(drv, "bad argument");
return output_error(drv, SQLITE_MISUSE, "bad argument");
}
ei_decode_tuple_header(buffer, &index, &size);
ei_get_type(buffer, &index, &type, &size);
@@ -323,7 +325,7 @@ static int sql_bind_and_exec(sqlite3_drv_t *drv, char *buffer, int buffer_size)
break;
case ERL_STRING_EXT:
if (size >= MAXATOMLEN) {
return output_error(drv, "parameter name too long");
return output_error(drv, SQLITE_TOOBIG, "parameter name too long");
}
ei_decode_string(buffer, &index, param_name);
// insert zero terminator
@@ -331,7 +333,7 @@ static int sql_bind_and_exec(sqlite3_drv_t *drv, char *buffer, int buffer_size)
param_index = sqlite3_bind_parameter_index(statement, param_name);
break;
default:
return output_error(drv, "parameter index must be given as integer, atom, or string");
return output_error(drv, SQLITE_MISMATCH, "parameter index must be given as integer, atom, or string");
}
result = decode_and_bind_param(drv, buffer, &index, statement, param_index, &type, &size);
if (result != SQLITE_OK) {
@@ -341,7 +343,7 @@ static int sql_bind_and_exec(sqlite3_drv_t *drv, char *buffer, int buffer_size)
else {
IMPLICIT_INDEX:
if (param_indices_are_explicit) {
return output_error(drv,
return output_error(drv, SQLITE_MISUSE,
"parameters without indices shouldn't follow indexed or named parameters");
}
@@ -551,12 +553,12 @@ static void sql_exec_async(void *_async_command) {
async_command->binaries = binaries;
if (next_row == SQLITE_BUSY) {
return_error(drv, "SQLite3 database is busy", &async_command->dataset,
return_error(drv, SQLITE_BUSY, "SQLite3 database is busy", &async_command->dataset,
&async_command->term_count);
return;
}
if (next_row != SQLITE_DONE) {
return_error(drv, sqlite3_errmsg(drv->db), &async_command->dataset,
return_error(drv, next_row, sqlite3_errmsg(drv->db), &async_command->dataset,
&async_command->term_count);
return;
}