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Overview
Comment:The rebuild command corrects any errors seen in the blob.size field.
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SHA1: 5b74febbccab50c65bb9d38a6192834927ebb8f9
User & Date: drh 2008-05-16 17:05:05.000
Context
2008-05-16
18:11
Progress toward getting ticket handling to work. ... (check-in: 68c24b1857 user: drh tags: trunk)
17:05
The rebuild command corrects any errors seen in the blob.size field. ... (check-in: 5b74febbcc user: drh tags: trunk)
16:01
Merge in stephan's fork. ... (check-in: 81eb00def7 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/rebuild.c.
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@ CREATE TABLE IF NOT EXISTS reportfmt(
@    rn integer primary key,  -- Report number
@    owner text,              -- Owner of this report format (not used)
@    title text,              -- Title of this report
@    cols text,               -- A color-key specification
@    sqlcode text             -- An SQL SELECT statement for this report
@ );










;

/*
** Variables used for progress information
*/
static int totalSize;       /* Total number of artifacts to process */
static int processCnt;      /* Number processed so far */








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@ CREATE TABLE IF NOT EXISTS reportfmt(
@    rn integer primary key,  -- Report number
@    owner text,              -- Owner of this report format (not used)
@    title text,              -- Title of this report
@    cols text,               -- A color-key specification
@    sqlcode text             -- An SQL SELECT statement for this report
@ );
@
@ -- A cache for mapping baseline artifact ID + filename into file
@ -- artifact ID.  Used by the /doc method.
@ --
@ CREATE TABLE IF NOT EXISTS vcache(
@    vid integer,             -- Baseline artifact ID
@    fname text,              -- Filename
@    rid integer,             -- File artifact ID
@    UNIQUE(vid,fname,rid)
@ );             
;

/*
** Variables used for progress information
*/
static int totalSize;       /* Total number of artifacts to process */
static int processCnt;      /* Number processed so far */
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}

/*
** Rebuild cross-referencing information for the artifact
** rid with content pBase and all of its descendants.  This
** routine clears the content buffer before returning.
*/
static void rebuild_step(int rid, Blob *pBase){
  Stmt q1;
  Bag children;
  Blob copy;
  Blob *pUse;
  int nChild, i, cid;








  /* Find all children of artifact rid */
  db_prepare(&q1, "SELECT rid FROM delta WHERE srcid=%d", rid);
  bag_init(&children);
  while( db_step(&q1)==SQLITE_ROW ){
    bag_insert(&children, db_column_int(&q1, 0));
  }








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}

/*
** Rebuild cross-referencing information for the artifact
** rid with content pBase and all of its descendants.  This
** routine clears the content buffer before returning.
*/
static void rebuild_step(int rid, int size, Blob *pBase){
  Stmt q1;
  Bag children;
  Blob copy;
  Blob *pUse;
  int nChild, i, cid;

  /* Fix up the "blob.size" field if needed. */
  if( size!=blob_size(pBase) ){
    db_multi_exec(
       "UPDATE blob SET size=%d WHERE rid=%d", blob_size(pBase), rid
    );
  }

  /* Find all children of artifact rid */
  db_prepare(&q1, "SELECT rid FROM delta WHERE srcid=%d", rid);
  bag_init(&children);
  while( db_step(&q1)==SQLITE_ROW ){
    bag_insert(&children, db_column_int(&q1, 0));
  }
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    if( db_step(&q2)==SQLITE_ROW && (sz = db_column_int(&q2,1))>=0 ){
      Blob delta;
      db_ephemeral_blob(&q2, 0, &delta);
      blob_uncompress(&delta, &delta);
      blob_delta_apply(pUse, &delta, pUse);
      blob_reset(&delta);
      db_finalize(&q2);
      rebuild_step(cid, pUse);
    }else{
      db_finalize(&q2);
      blob_reset(pUse);
    }
  }
  bag_clear(&children);
  rebuild_step_done();








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    if( db_step(&q2)==SQLITE_ROW && (sz = db_column_int(&q2,1))>=0 ){
      Blob delta;
      db_ephemeral_blob(&q2, 0, &delta);
      blob_uncompress(&delta, &delta);
      blob_delta_apply(pUse, &delta, pUse);
      blob_reset(&delta);
      db_finalize(&q2);
      rebuild_step(cid, sz, pUse);
    }else{
      db_finalize(&q2);
      blob_reset(pUse);
    }
  }
  bag_clear(&children);
  rebuild_step_done();
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  );
  while( db_step(&s)==SQLITE_ROW ){
    int rid = db_column_int(&s, 0);
    int size = db_column_int(&s, 1);
    if( size>=0 ){
      Blob content;
      content_get(rid, &content);
      rebuild_step(rid, &content);
    }else{
      db_multi_exec("INSERT OR IGNORE INTO phantom VALUES(%d)", rid);
      rebuild_step_done();
    }
  }
  db_finalize(&s);
  if( ttyOutput ){








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  );
  while( db_step(&s)==SQLITE_ROW ){
    int rid = db_column_int(&s, 0);
    int size = db_column_int(&s, 1);
    if( size>=0 ){
      Blob content;
      content_get(rid, &content);
      rebuild_step(rid, size, &content);
    }else{
      db_multi_exec("INSERT OR IGNORE INTO phantom VALUES(%d)", rid);
      rebuild_step_done();
    }
  }
  db_finalize(&s);
  if( ttyOutput ){
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