2.11BSD#431 - /usr/ingres/source/qrymod/qrymod.c

   1: # include   "../ingres.h"
   2: # include   "../aux.h"
   3: # include   "qrymod.h"
   4: 
   5: /*
   6: **  QRYMOD -- main driver for query modification
   7: **
   8: **	Reads in the query tree, performs the modifications, writes
   9: **	it out, and does process syncronization with below.  The
  10: **	calling routine must sync with the process above.
  11: **
  12: **	Parameters:
  13: **		root1 -- a pointer to the tree to modify.
  14: **
  15: **	Returns:
  16: **		A pointer to the modified tree.
  17: **
  18: **	Side Effects:
  19: **		You've got to be kidding.  The side effects are
  20: **		all of this module.
  21: **
  22: **	Requires:
  23: **		protect -- the protection algorithm.
  24: **		view -- the view processor.
  25: **		integrity -- the integrity processor.
  26: **
  27: **	Required By:
  28: **		main
  29: **
  30: **	Trace Flags:
  31: **		1
  32: **
  33: **	History:
  34: **		2/14/79 -- version 6.2 release.
  35: */
  36: 
  37: 
  38: QTREE *
  39: qrymod(root1)
  40: QTREE   *root1;
  41: {
  42:     register QTREE  *root;
  43:     extern QTREE    *view(), *integrity(), *protect();
  44: 
  45:     root = root1;
  46: 
  47: #	ifdef xQTR1
  48:     if (tTf(1, 0))
  49:         treepr(root, "->QRYMOD");
  50: #	endif
  51: 
  52:     /* view processing */
  53:     root = view(root);
  54: 
  55:     /* integrity processing */
  56:     root = integrity(root);
  57: 
  58:     /* protection processing */
  59:     root = protect(root);
  60: 
  61:     return (root);
  62: }

Defined functions