sqlite3 callback

/*
 * test.c
 *
 *  Created on: 2012-6-28
 *      Author: xy
 */
#include <sqlite3.h>
#include <stdio.h>
static int callback(void *NotUsed,int argc,char **argv,char **azColName){
	int i;
	for(i=0; i<argc; i++)
		printf("%s = %sn",azColName[i],argv[i] ? argv[i] : "NULL");
	printf("n");
	return 0;
}
int main(int argc,char *argv[]){
	sqlite3 *db;
	char *zErrMsg = 0;
	int rc = sqlite3_open("test.db",&db);
	if( rc ){
		fprintf(stderr,"Can't open database: %s/n",sqlite3_errmsg(db));
		sqlite3_close(db);
		return -1;
	}

	rc = sqlite3_exec(db," 
			PRAGMA foreign_keys = ON;
			",&zErrMsg);
	if( rc!=SQLITE_OK ){
		fprintf(stderr,"1SQL error: %sn",zErrMsg);
		sqlite3_free(zErrMsg);
	}


/*	rc = sqlite3_exec(db,"
			INSERT INTO Students(TeacherId) VALUES(5);
			","2SQL error: %sn",zErrMsg);
		sqlite3_free(zErrMsg);
	}*/


	rc = sqlite3_exec(db," 
			select * from TEACHERs;
			",callback,zErrMsg);
		sqlite3_free(zErrMsg);
	}
	sqlite3_close(db);
}

（编辑：李大同）

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