htamas1210/HardCompound
1
0
Fork 0
Code Issues 4 Pull Requests Actions Packages Projects 1 Releases Wiki Activity

fixed data type when getting the data from the chunk

Browse Source
This commit is contained in:
htom
2025-12-29 14:10:40 +01:00
parent d8854ce4fc
commit 33cb91f9a9
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/main.c
View File

@@ -1,4 +1,5 @@
#include <duckdb.h> #include <duckdb.h>
#include <math.h>
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@@ -27,7 +28,7 @@ int main(int argc, char** argv){
//Test query //Test query
duckdb_result result; duckdb_result result;
duckdb_query(conn, "SELECT * from \"Engine RPM\";\n", &result); duckdb_query(conn, "SELECT * from \"Ambient Temperature\";\n", &result);
int32_t iterations = 0; int32_t iterations = 0;
int32_t number_of_data_points = 0; int32_t number_of_data_points = 0;
@@ -44,13 +45,13 @@ int main(int argc, char** argv){
//first column //first column
duckdb_vector col1 = duckdb_data_chunk_get_vector(data_chunk, 0); duckdb_vector col1 = duckdb_data_chunk_get_vector(data_chunk, 0);
int32_t *col1_data = (int32_t *) duckdb_vector_get_data(col1); float_t *col1_data = (float_t *) duckdb_vector_get_data(col1);
uint64_t *col1_validity = duckdb_vector_get_validity(col1); uint64_t *col1_validity = duckdb_vector_get_validity(col1);
for (idx_t row = 0; row < row_count; row++) { for (idx_t row = 0; row < row_count; row++) {
number_of_data_points++; number_of_data_points++;
if(duckdb_validity_row_is_valid(col1_validity, row)){ if(duckdb_validity_row_is_valid(col1_validity, row)){
printf("%d, ", col1_data[row]); printf("%f, ", col1_data[row]);
}else{ }else{
printf("NULL"); printf("NULL");
} }