查询gettable版_奥利奥爱吃饭的博客_sqlite3_get_table

查询操作gettable版

#include <stdio.h>
#include <sqlite3.h>

int myfunc(void* v,int count, char** value, char** name)
{
	int i;
	
	for(i = 0;i < count; i++)
	{
		printf("%-8s",value[i]);
	}
	printf("\n");
	return 0;
}

int main()
{
	sqlite3 *db;
	int ret = sqlite3_open("student.db",&db);
	
	if(ret != SQLITE_OK)
	{
		printf("数据库打开失败\n");
		return -1;
	}
	
	char *errmsg;
	const char *sql = "select * from student";
	char **value = NULL;
	int row;
	int column;
	
	ret = sqlite3_get_table(db, sql, &value, &row, &column, &errmsg );
	
	if(ret != SQLITE_OK)
	{
		printf("exec 失败: %s\n",errmsg);
		return -1;
	}
	int i;
	for(i=0;i<row*column; i++)
	{
		if(i%column == 0)
		{
			printf("\n");
		}
		printf("%-8s", value[i]);
	}
	printf("\n");
	sqlite3_free_table(value);
	sqlite3_close(db);
	
	
	return 0;
}
		
#include <stdio.h>
#incl