querying the throttle position from the db

src/main.c

@@ -5,6 +5,7 @@
 #include <string.h>
 #include <sys/stat.h>
 
+#include "arrays.h"
 #include "exit_code.h"
 #include "lapinfo.h"
 
@@ -30,7 +31,30 @@ bool is_valid_path(const char *path) {
     return true;
 }
 
-void get_data_from_db(const char *query, duckdb_connection *conn, TelemetryInfo *info) {
+void allocate_array_for_db_data(float_array *array, const char *table, duckdb_connection *conn) {
+    char query[100];
+    sprintf(query, "Select count(*) from \"%s\"", table);
+    duckdb_result result;
+    duckdb_query(*conn, query, &result);
+
+    duckdb_data_chunk chunk = duckdb_fetch_chunk(result);
+    if (!chunk) {
+        return;
+    }
+
+    duckdb_vector col1 = duckdb_data_chunk_get_vector(chunk, 0);
+    int32_t *col1_data = (int32_t *)duckdb_vector_get_data(col1);
+    uint64_t *col1_validity = duckdb_vector_get_validity(col1);
+
+    if (duckdb_validity_row_is_valid(col1_validity, 0)) {
+        printf("capycity of array: %d", col1_data[0]);
+        float_array_allocate(array, col1_data[0]);
+    }
+    duckdb_destroy_data_chunk(&chunk);
+    duckdb_destroy_result(&result);
+}
+
+void get_data_from_db(const char *query, duckdb_connection *conn, float_array *info) {
     duckdb_result result;
 
     duckdb_query(*conn, query, &result);
@@ -50,26 +74,7 @@ void get_data_from_db(const char *query, duckdb_connection *conn, TelemetryInfo
 
         for (idx_t row = 0; row < row_count; row++) {
             if (duckdb_validity_row_is_valid(col1_validity, row)) {
-                switch (info->type) {
+                float_array_set(info, ((float *)col1_data)[row], -1);
-                case FLOAT:
-                    ((float *)info->data)[info->data_last_index] = ((float *)col1_data)[row];
-                    info->data_last_index++;
-                    break;
-                case BOOL:
-                    ((bool *)info->data)[info->data_last_index] = ((bool *)col1_data)[row];
-                    info->data_last_index++;
-                    break;
-                case DOUBLE:
-                    ((double *)info->data)[info->data_last_index] = ((double *)col1_data)[row];
-                    info->data_last_index++;
-                    break;
-                case INT:
-                    ((int32_t *)info->data)[info->data_last_index] = ((int32_t *)col1_data)[row];
-                    info->data_last_index++;
-                    break;
-                }
-            } else {
-                printf("NULL");
             }
         }
 
@@ -184,7 +189,14 @@ int main(int argc, char **argv) {
     }
     printf("\n");
 
-    // get the per laptime data
+    // throttle
+    float_array throttle_data_all;
+    float_array_init(&throttle_data_all);
+    allocate_array_for_db_data(&throttle_data_all, "Throttle Pos", &conn);
+    get_data_from_db("Select value as FLOAT from \"Throttle Pos\"\n", &conn, &throttle_data_all);
+    for (int32_t i = 0; i < throttle_data_all.length; ++i) {
+        printf(" %f", float_array_get(&throttle_data_all, i));
+    }
 
     printf("Shutting down HardCompound!\n");