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SQLite training in Houston TX on 2019-11-05 (details)
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Overview
Comment:Add the sqlite3_quota_file() interface to test_quota.c.
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SHA1: 2b7fe8e5b74c3504edd0e3ff78096e357ee1b47c
User & Date: drh 2011-08-25 01:42:12
Context
2011-08-25
01:58
Cherrypick the [d4f6437f8d] change so that SQLITE_FCNTL_SIZE_HINT is always honored and never undone by memory pressure on windows. check-in: 67ff8d27 user: drh tags: trunk
01:42
Add the sqlite3_quota_file() interface to test_quota.c. check-in: 2b7fe8e5 user: drh tags: trunk
00:14
Add the SQLITE_EXTRA_INIT macro. check-in: a3220f36 user: drh tags: trunk
Changes
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Changes to src/test_quota.c.

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  }
  pGroup->pArg = pArg;
  pGroup->xDestroy = xDestroy;
  quotaGroupDeref(pGroup);
  quotaLeave();
  return SQLITE_OK;
}






































  
/***************************** Test Code ***********************************/
#ifdef SQLITE_TEST
#include <tcl.h>

/*
................................................................................

  /* Invoke sqlite3_quota_set() */
  rc = sqlite3_quota_set(zPattern, iLimit, xCallback, (void*)p, xDestroy);

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return TCL_OK;
}



























/*
** tclcmd:  sqlite3_quota_dump
*/
static int test_quota_dump(
  void * clientData,
  Tcl_Interp *interp,
................................................................................
  static struct {
     char *zName;
     Tcl_ObjCmdProc *xProc;
  } aCmd[] = {
    { "sqlite3_quota_initialize", test_quota_initialize },
    { "sqlite3_quota_shutdown", test_quota_shutdown },
    { "sqlite3_quota_set", test_quota_set },

    { "sqlite3_quota_dump", test_quota_dump },
  };
  int i;

  for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
    Tcl_CreateObjCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
  }

  return TCL_OK;
}
#endif







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  }
  pGroup->pArg = pArg;
  pGroup->xDestroy = xDestroy;
  quotaGroupDeref(pGroup);
  quotaLeave();
  return SQLITE_OK;
}

/*
** Bring the named file under quota management.  Or if it is already under
** management, update its size.
*/
int sqlite3_quota_file(const char *zFilename){
  char *zFull;
  sqlite3_file *fd;
  int rc;
  int outFlags = 0;
  sqlite3_int64 iSize;
  fd = sqlite3_malloc(gQuota.sThisVfs.szOsFile + gQuota.sThisVfs.mxPathname+1);
  if( fd==0 ) return SQLITE_NOMEM;
  zFull = gQuota.sThisVfs.szOsFile + (char*)fd;
  rc = gQuota.pOrigVfs->xFullPathname(gQuota.pOrigVfs, zFilename,
                                      gQuota.sThisVfs.mxPathname+1, zFull);
  if( rc==SQLITE_OK ){
    rc = quotaOpen(&gQuota.sThisVfs, zFull, fd, 
                   SQLITE_OPEN_READONLY | SQLITE_OPEN_MAIN_DB, &outFlags);
  }
  if( rc==SQLITE_OK ){
    quotaFileSize(fd, &iSize);
    quotaClose(fd);
  }else if( rc==SQLITE_CANTOPEN ){
    quotaGroup *pGroup;
    quotaFile *pFile;
    quotaEnter();
    pGroup = quotaGroupFind(zFull);
    if( pGroup ){
      pFile = quotaFindFile(pGroup, zFull);
      if( pFile ) quotaRemoveFile(pFile);
    }
    quotaLeave();
  }
  sqlite3_free(fd);
  return rc;
}

  
/***************************** Test Code ***********************************/
#ifdef SQLITE_TEST
#include <tcl.h>

/*
................................................................................

  /* Invoke sqlite3_quota_set() */
  rc = sqlite3_quota_set(zPattern, iLimit, xCallback, (void*)p, xDestroy);

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_file FILENAME
*/
static int test_quota_file(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  const char *zFilename;          /* File pattern to configure */
  int rc;                         /* Value returned by quota_file() */

  /* Process arguments */
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
    return TCL_ERROR;
  }
  zFilename = Tcl_GetString(objv[1]);

  /* Invoke sqlite3_quota_file() */
  rc = sqlite3_quota_file(zFilename);

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return TCL_OK;
}

/*
** tclcmd:  sqlite3_quota_dump
*/
static int test_quota_dump(
  void * clientData,
  Tcl_Interp *interp,
................................................................................
  static struct {
     char *zName;
     Tcl_ObjCmdProc *xProc;
  } aCmd[] = {
    { "sqlite3_quota_initialize", test_quota_initialize },
    { "sqlite3_quota_shutdown", test_quota_shutdown },
    { "sqlite3_quota_set", test_quota_set },
    { "sqlite3_quota_file", test_quota_file },
    { "sqlite3_quota_dump", test_quota_dump },
  };
  int i;

  for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
    Tcl_CreateObjCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
  }

  return TCL_OK;
}
#endif

Changes to test/quota.test.

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proc quota_list {} {
  set allq {}
  foreach q [sqlite3_quota_dump] {
    lappend allq [lindex $q 0]
  }
  return [lsort $allq]
}








do_test quota-4.1.1 {
  sqlite3_quota_set *test.db 0 {}
  quota_list
} {}
do_test quota-4.1.2 {
  sqlite3_quota_set *test.db 4096 {}
................................................................................
     INSERT INTO t1 VALUES(randomblob(5000));
  }
  quota_list
} {*/quota-test-A?.db}
do_test quota-4.4.4 {
  expr {$::quota!=""}
} {1}




































































do_test quota-4.9.1 {
  db close
  sqlite3_quota_set A 1000 quota_callback
  sqlite3_quota_shutdown
} {SQLITE_OK}
do_test quota-4.9.2 {







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proc quota_list {} {
  set allq {}
  foreach q [sqlite3_quota_dump] {
    lappend allq [lindex $q 0]
  }
  return [lsort $allq]
}
proc quota_size {name} {
  set allq {}
  foreach q [sqlite3_quota_dump] {
    if {[lindex $q 0]==$name} {return [lindex $q 2]}
  }
  return 0
}

do_test quota-4.1.1 {
  sqlite3_quota_set *test.db 0 {}
  quota_list
} {}
do_test quota-4.1.2 {
  sqlite3_quota_set *test.db 4096 {}
................................................................................
     INSERT INTO t1 VALUES(randomblob(5000));
  }
  quota_list
} {*/quota-test-A?.db}
do_test quota-4.4.4 {
  expr {$::quota!=""}
} {1}
do_test quota-4.4.5 {
  db close
  sqlite3_quota_set */quota-test-A?.db 0 {}
  sqlite3_quota_dump
} {}
do_test quota-4.4.6 {
  sqlite3_quota_set */quota-test-A?.db 10000 quota_callback
  sqlite3 db quota-test-A1.db
  db eval {SELECT count(*) FROM sqlite_master}
  quota_size */quota-test-A?.db
} [file size quota-test-A1.db]
do_test quota-4.4.7 {
  sqlite3_quota_file quota-test-A2.db
  quota_size */quota-test-A?.db
} [expr {[file size quota-test-A1.db]+[file size quota-test-A2.db]}]

do_test quota-4.5.1 {
  foreach file [glob -nocomplain quota-test-B*] {
    forcedelete $file
  }
  sqlite3_quota_set */quota-test-B* 100000 quota_callback
  quota_size */quota-test-B*
} {0}
do_test quota-4.5.2 {
  sqlite3_quota_file quota-test-B1.txt
  quota_size */quota-test-B*
} {0}
proc add_to_file {name n} {
  set out [open $name a]
  fconfigure $out -translation binary
  puts -nonewline $out [string repeat x $n]
  close $out
}
do_test quota-4.5.3 {
  add_to_file quota-test-B1.txt 123
  sqlite3_quota_file quota-test-B1.txt
  quota_size */quota-test-B*
} {123}
do_test quota-4.5.4 {
  add_to_file quota-test-B2.txt 234
  sqlite3_quota_file quota-test-B2.txt
  quota_size */quota-test-B*
} {357}
do_test quota-4.5.5 {
  add_to_file quota-test-B1.txt 2000
  sqlite3_quota_file quota-test-B1.txt
  quota_size */quota-test-B*
} {2357}
do_test quota-4.5.6 {
  forcedelete quota-test-B1.txt
  sqlite3_quota_file quota-test-B1.txt
  quota_size */quota-test-B*
} {234}
do_test quota-4.5.7 {
  forcedelete quota-test-B2.txt
  sqlite3_quota_file quota-test-B2.txt
  quota_size */quota-test-B*
} {0}
do_test quota-4.5.8 {
  add_to_file quota-test-B3.txt 1234
  sqlite3_quota_file quota-test-B3.txt
  quota_size */quota-test-B*
} {1234}
do_test quota-4.5.9 {
  sqlite3_quota_set */quota-test-B* 0 {}
  quota_size */quota-test-B*
} {0}

do_test quota-4.9.1 {
  db close
  sqlite3_quota_set A 1000 quota_callback
  sqlite3_quota_shutdown
} {SQLITE_OK}
do_test quota-4.9.2 {