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-rw-r--r--lib/odbc/c_src/odbcserver.c60
-rw-r--r--lib/odbc/c_src/odbcserver.h2
2 files changed, 45 insertions, 17 deletions
diff --git a/lib/odbc/c_src/odbcserver.c b/lib/odbc/c_src/odbcserver.c
index ab2d7fe210..6d4460014f 100644
--- a/lib/odbc/c_src/odbcserver.c
+++ b/lib/odbc/c_src/odbcserver.c
@@ -176,7 +176,7 @@ static void encode_column_dyn(db_column column, int column_nr,
static void encode_data_type(SQLSMALLINT sql_type, SQLINTEGER size,
SQLSMALLINT decimal_digits, db_state *state);
static Boolean decode_params(db_state *state, byte *buffer, int *index, param_array **params,
- int i, int j);
+ int i, int j, int num_param_values);
/*------------- Erlang port communication functions ----------------------*/
@@ -212,6 +212,7 @@ static db_column * alloc_column_buffer(int n);
static void free_column_buffer(db_column **columns, int n);
static void free_params(param_array **params, int cols);
static void clean_state(db_state *state);
+static SQLLEN* alloc_strlen_indptr(int n, int val);
/* ------------- Init/map/bind/retrive functions -------------------------*/
@@ -1157,7 +1158,7 @@ static db_result_msg encode_out_params(db_state *state,
break;
case SQL_C_BIT:
ei_x_encode_atom(&dynamic_buffer(state),
- ((Boolean*)values)[j]==TRUE?"true":"false");
+ ((byte*)values)[j]==TRUE?"true":"false");
break;
default:
ei_x_encode_atom(&dynamic_buffer(state), "error");
@@ -1579,37 +1580,48 @@ static void encode_data_type(SQLSMALLINT sql_type, SQLINTEGER size,
}
static Boolean decode_params(db_state *state, byte *buffer, int *index, param_array **params,
- int i, int j)
+ int i, int j, int num_param_values)
{
int erl_type, size;
long bin_size, l64;
long val;
param_array* param;
TIMESTAMP_STRUCT* ts;
+ char atomarray[MAXATOMLEN+1];
ei_get_type(buffer, index, &erl_type, &size);
param = &(*params)[i];
+ if(erl_type == ERL_ATOM_EXT) {
+ ei_decode_atom(buffer, index, atomarray);
+ if(strncmp(atomarray, "null", 4) == 0 ) {
+ param->offset += param->type.len;
+
+ if(!param->type.strlen_or_indptr_array)
+ param->type.strlen_or_indptr_array = alloc_strlen_indptr(num_param_values, param->type.len);
+
+ param->type.strlen_or_indptr_array[j] = SQL_NULL_DATA;
+ return TRUE;
+ }
+ }
+
switch (param->type.c) {
case SQL_C_CHAR:
if (binary_strings(state)) {
ei_decode_binary(buffer, index,
&(param->values.string[param->offset]), &bin_size);
param->offset += param->type.len;
- param->type.strlen_or_indptr_array[j] = SQL_NTS;
} else {
if(erl_type != ERL_STRING_EXT) {
return FALSE;
}
ei_decode_string(buffer, index, &(param->values.string[param->offset]));
param->offset += param->type.len;
- param->type.strlen_or_indptr_array[j] = SQL_NTS;
}
break;
case SQL_C_WCHAR:
ei_decode_binary(buffer, index, &(param->values.string[param->offset]), &bin_size);
param->offset += param->type.len;
- param->type.strlen_or_indptr_array[j] = SQL_NTS;
break;
case SQL_C_TYPE_TIMESTAMP:
ts = (TIMESTAMP_STRUCT*) param->values.string;
@@ -1661,9 +1673,13 @@ static Boolean decode_params(db_state *state, byte *buffer, int *index, param_ar
if((erl_type != ERL_ATOM_EXT)) {
return FALSE;
}
- ei_decode_boolean(buffer, index, &(param->values.bool[j]));
+ if (strncmp((char*)atomarray,"true",4) == 0)
+ param->values.bool[j] = TRUE;
+ else if (strncmp((char*)atomarray,"false",5) == 0)
+ param->values.bool[j] = FALSE;
+ else
+ return -1;
break;
-
default:
return FALSE;
}
@@ -2014,6 +2030,18 @@ static void clean_state(db_state *state)
nr_of_columns(state) = 0;
}
+/* Allocates and fill with default value StrLen_or_IndPtr array */
+static SQLLEN* alloc_strlen_indptr(int n, int val)
+{
+ int i;
+ SQLLEN* arr = (SQLLEN*)safe_malloc(n * sizeof(SQLLEN));
+
+ for( i=0; i < n; ++i )
+ arr[i] = val;
+
+ return arr;
+}
+
/* ------------- Init/map/bind/retrive functions ------------------------*/
/* Prepare the state for a connection */
@@ -2118,7 +2146,7 @@ static void init_param_column(param_array *params, byte *buffer, int *index,
(double *)safe_malloc(num_param_values * params->type.len);
} else if(params->type.c == SQL_C_CHAR) {
params->type.strlen_or_indptr_array
- = (SQLLEN*)safe_malloc(num_param_values * sizeof(SQLINTEGER));
+ = alloc_strlen_indptr(num_param_values, SQL_NTS);
params->values.string =
(byte *)safe_malloc(num_param_values *
sizeof(byte)* params->type.len);
@@ -2136,8 +2164,8 @@ static void init_param_column(param_array *params, byte *buffer, int *index,
params->type.len = length+1;
params->type.c = SQL_C_CHAR;
params->type.col_size = (SQLUINTEGER)length;
- params->type.strlen_or_indptr_array =
- (SQLLEN*)safe_malloc(num_param_values * sizeof(SQLINTEGER));
+ params->type.strlen_or_indptr_array
+ = alloc_strlen_indptr(num_param_values, SQL_NTS);
params->values.string =
(byte *)safe_malloc(num_param_values *
sizeof(byte)* params->type.len);
@@ -2159,8 +2187,8 @@ static void init_param_column(param_array *params, byte *buffer, int *index,
params->type.len = (length+1)*sizeof(SQLWCHAR);
params->type.c = SQL_C_WCHAR;
params->type.col_size = (SQLUINTEGER)length;
- params->type.strlen_or_indptr_array =
- (SQLLEN*)safe_malloc(num_param_values * sizeof(SQLINTEGER));
+ params->type.strlen_or_indptr_array
+ = alloc_strlen_indptr(num_param_values, SQL_NTS);
params->values.string =
(byte *)safe_malloc(num_param_values * sizeof(byte) * params->type.len);
@@ -2201,10 +2229,10 @@ static void init_param_column(param_array *params, byte *buffer, int *index,
case USER_BOOLEAN:
params->type.sql = SQL_BIT;
params->type.c = SQL_C_BIT;
- params->type.len = sizeof(Boolean);
+ params->type.len = sizeof(byte);
params->type.col_size = params->type.len;
params->values.bool =
- (Boolean *)safe_malloc(num_param_values * params->type.len);
+ (byte *)safe_malloc(num_param_values * params->type.len);
break;
}
params->offset = 0;
@@ -2411,7 +2439,7 @@ static param_array * bind_parameter_arrays(byte *buffer, int *index,
}
for (j = 0; j < num_param_values; j++) {
- if(!decode_params(state, buffer, index, &params, i, j)) {
+ if(!decode_params(state, buffer, index, &params, i, j, num_param_values)) {
/* An input parameter was not of the expected type */
free_params(&params, i);
return params;
diff --git a/lib/odbc/c_src/odbcserver.h b/lib/odbc/c_src/odbcserver.h
index 56b6148777..a76cedf1af 100644
--- a/lib/odbc/c_src/odbcserver.h
+++ b/lib/odbc/c_src/odbcserver.h
@@ -156,7 +156,7 @@ typedef struct {
byte *string;
SQLINTEGER *integer;
double *floating;
- Boolean *bool;
+ byte *bool;
}values;
} param_array;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-25 09:18:22 +0000