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bug#8281

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NdbScanFilter, not a bug. But update example program


ndb/ndbapi-examples/ndbapi_scan_example/ndbapi_scan.cpp:
  memset char[20] as all bytes are significant when comparing
This commit is contained in:
unknown
2005-02-03 15:09:43 +01:00
parent ed26328745
commit 2253df9b60
1 changed files with 15 additions and 7 deletions
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22
ndb/ndbapi-examples/ndbapi_scan_example/ndbapi_scan.cpp
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@ -102,6 +102,12 @@ milliSleep(int milliseconds){
struct Car struct Car
{ {
/**
* Note memset, so that entire char-fields are cleared
* as all 20 bytes are significant (as type is char)
*/
Car() { memset(this, 0, sizeof(* this)); }
unsigned int reg_no; unsigned int reg_no;
char brand[20]; char brand[20];
char color[20]; char color[20];
@ -791,8 +797,9 @@ int main()
/** /**
* Note! color needs to be of exact the same size as column defined * Note! color needs to be of exact the same size as column defined
*/ */
char color[20] = "Pink"; Car tmp;
if(scan_delete(&myNdb, column_color, color) > 0) sprintf(tmp.color, "Pink");
if(scan_delete(&myNdb, column_color, tmp.color) > 0)
std::cout << "scan_delete: Success!" << std::endl << std::endl; std::cout << "scan_delete: Success!" << std::endl << std::endl;
} }
@ -803,11 +810,12 @@ int main()
/** /**
* Note! color1 & 2 need to be of exact the same size as column defined * Note! color1 & 2 need to be of exact the same size as column defined
*/ */
char color1[20] = "Blue"; Car tmp1, tmp2;
char color2[20] = "Black"; sprintf(tmp1.color, "Blue");
std::cout << "Going to update all " << color1 sprintf(tmp2.color, "Black");
<< " cars to " << color2 << " cars!" << std::endl; std::cout << "Going to update all " << tmp1.color
if(scan_update(&myNdb, column_color, color1, color2) > 0) << " cars to " << tmp2.color << " cars!" << std::endl;
if(scan_update(&myNdb, column_color, tmp1.color, tmp2.color) > 0)
std::cout << "scan_update: Success!" << std::endl << std::endl; std::cout << "scan_update: Success!" << std::endl << std::endl;
} }
if(scan_print(&myNdb) > 0) if(scan_print(&myNdb) > 0)