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#include <stdlib.h>
#include <stdio.h>
#include "data.h"
const char *insert_into = "INSERT INTO words (LINE) VALUES($VVV);";
const char *select_words = "SELECT Id, Line FROM words LIMIT 10;";
const char *create_table = "CREATE TABLE IF NOT EXISTS words (ID INTEGER PRIMARY KEY AUTOINCREMENT, LINE TEXT NOT NULL);";
Data* new_data(const char* con) {
Data* data = (Data*)malloc(sizeof(Data));
int v = sqlite3_open(con, &(data->db));
if (v == SQLITE_OK) {
return data;
}
print_result_code(v);
return NULL;
}
void free_data(Data* data) {
sqlite3_close(data->db);
free(data);
}
void insert(Data* data, char* line, int len) {
sqlite3_stmt *stmt;
int r = sqlite3_prepare_v2(data->db, insert_into, -1, &stmt, NULL);
if (r != SQLITE_OK) {
printf("Error executing insert: ");
print_result_code(r);
printf("\n");
return;
}
// binds the paremets to the statement, in this case the line;
sqlite3_bind_text(stmt, 1, line, len, NULL);
int c = sqlite3_step(stmt);
if (c != SQLITE_DONE) {
printf("Error executing insert: ");
print_result_code(r);
printf("\n");
}
sqlite3_finalize(stmt);
}
void bootstrap(Data* data) {
sqlite3_stmt *stmt;
int r = sqlite3_prepare_v2(data->db, create_table, -1, &stmt, NULL);
if (r != SQLITE_OK) {
printf("Error preparing bootstrap: ");
print_result_code(r);
printf("\n");
return;
}
int c = sqlite3_step(stmt);
if (c != SQLITE_DONE) {
printf("Error executing bootstrap: ");
print_result_code(r);
printf("\n");
}
sqlite3_finalize(stmt);
}
LIST* select(Data* data) {
sqlite3_stmt *stmt;
int r = sqlite3_prepare_v2(data->db, select_words, -1, &stmt, NULL);
if (r != SQLITE_OK) {
printf("Error executing select: ");
print_result_code(r);
printf("\n");
return NULL;
}
LIST *list = NULL;
int m = sqlite3_step(stmt);
while(m == SQLITE_ROW) {
Word *word = (Word*)malloc(sizeof(Word));
int id = sqlite3_column_int(stmt, 0);
const unsigned char *line = sqlite3_column_text(stmt, 1);
word->Id = id;
word->Line = line;
list = list_add(list, word);
m = sqlite3_step(stmt);
}
sqlite3_finalize(stmt);
return list;
}
void print_result_code(int code) {
switch(code) {
// Primary result code
case SQLITE_ABORT:
printf("SQLITE_ABORT");
break;
case SQLITE_AUTH:
printf("SQLITE_AUTH");
break;
case SQLITE_BUSY:
printf("SQLITE_BUSY");
break;
case SQLITE_CANTOPEN:
printf("SQLITE_CANTOPEN");
break;
case SQLITE_CONSTRAINT:
printf("SQLITE_CONSTRAINT");
break;
case SQLITE_CORRUPT:
printf("SQLITE_CORRUPT");
break;
case SQLITE_DONE:
printf("SQLITE_DONE");
break;
case SQLITE_EMPTY:
printf("SQLITE_EMPTY");
break;
case SQLITE_ERROR:
printf("SQLITE_ERROR");
break;
case SQLITE_FORMAT:
printf("SQLITE_FORMAT");
break;
case SQLITE_INTERNAL:
printf("SQLITE_INTERNAL");
break;
case SQLITE_INTERRUPT:
printf("SQLITE_INTERRUPT");
break;
case SQLITE_IOERR:
printf("SQLITE_IOERR");
break;
case SQLITE_LOCKED:
printf("SQLITE_LOCKED");
break;
case SQLITE_MISMATCH:
printf("SQLITE_MISMATCH");
break;
case SQLITE_MISUSE:
printf("SQLITE_MISUSE");
break;
case SQLITE_NOLFS:
printf("SQLITE_NOLFS");
break;
case SQLITE_NOMEM:
printf("SQLITE_NOMEM");
break;
case SQLITE_NOTADB:
printf("SQLITE_NOTADB");
break;
case SQLITE_NOTFOUND:
printf("SQLITE_NOTFOUND");
break;
case SQLITE_NOTICE:
printf("SQLITE_NOTICE");
break;
case SQLITE_OK:
printf("SQLITE_OK");
break;
case SQLITE_PERM:
printf("SQLITE_PERM");
break;
case SQLITE_SCHEMA:
printf("SQLITE_SCHEMA");
break;
case SQLITE_TOOBIG:
printf("SQLITE_TOOBIG");
break;
case SQLITE_WARNING:
printf("SQLITE_WARNING");
break;
}
}
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