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Overview
Comment:Remove a NEVER from balance_quick() that can occur in WAL mode on a corrupt database file.
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SHA1: b273891ab05a18b68a76c870ea3be9f1a56c40a9
User & Date: drh 2010-08-19 14:22:43
Context
2010-08-19
14:41
Fix typo in TCL stubs support for configure in Makefile.in check-in: 4c7ad73d user: shaneh tags: trunk
14:22
Remove a NEVER from balance_quick() that can occur in WAL mode on a corrupt database file. check-in: b273891a user: drh tags: trunk
2010-08-18
21:19
Fix two asserts in the btree logic so that they work correctly even for maximum-size index entries for 32K and 64K pages. check-in: e127192d user: drh tags: trunk
Changes
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Changes to src/btree.c.

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  Pgno pgnoNew;                        /* Page number of pNew */

  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  assert( sqlite3PagerIswriteable(pParent->pDbPage) );
  assert( pPage->nOverflow==1 );

  /* This error condition is now caught prior to reaching this function */
  if( NEVER(pPage->nCell<=0) ) return SQLITE_CORRUPT_BKPT;

  /* Allocate a new page. This page will become the right-sibling of 
  ** pPage. Make the parent page writable, so that the new divider cell
  ** may be inserted. If both these operations are successful, proceed.
  */
  rc = allocateBtreePage(pBt, &pNew, &pgnoNew, 0, 0);








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  Pgno pgnoNew;                        /* Page number of pNew */

  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  assert( sqlite3PagerIswriteable(pParent->pDbPage) );
  assert( pPage->nOverflow==1 );

  /* This error condition is now caught prior to reaching this function */
  if( pPage->nCell<=0 ) return SQLITE_CORRUPT_BKPT;

  /* Allocate a new page. This page will become the right-sibling of 
  ** pPage. Make the parent page writable, so that the new divider cell
  ** may be inserted. If both these operations are successful, proceed.
  */
  rc = allocateBtreePage(pBt, &pNew, &pgnoNew, 0, 0);