Fossil

#else
# define ALWAYS(X)      (X)
# define NEVER(X)       (X)
#endif
#endif /* !defined(SQLITE_AMALGAMATION) */


#ifndef SQLITE_OMIT_VIRTUALTABLE

/* typedef sqlite3_int64 i64; */
/* typedef sqlite3_uint64 u64; */

typedef struct IdxColumn IdxColumn;
typedef struct IdxConstraint IdxConstraint;
typedef struct IdxScan IdxScan;

    rc = sqlite3_exec(p->dbm, "ANALYZE sqlite_schema", 0, 0, 0);
  }

  sqlite3_exec(p->db, "DROP TABLE IF EXISTS temp."UNIQUE_TABLE_NAME,0,0,0);
  return rc;
}

/*
** Define and possibly pretend to use a useless collation sequence.
** This pretense allows expert to accept SQL using custom collations.
*/
int dummyCompare(void *up1, int up2, const void *up3, int up4, const void *up5){
  (void)up1;
  (void)up2;
  (void)up3;
  (void)up4;
  (void)up5;
  assert(0); /* VDBE should never be run. */
  return 0;
}
/* And a callback to register above upon actual need */
void useDummyCS(void *up1, sqlite3 *db, int etr, const char *zName){
  (void)up1;
  sqlite3_create_collation_v2(db, zName, etr, 0, dummyCompare, 0);
}

#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) \
  && !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)
/*
** dummy functions for no-op implementation of UDFs during expert's work
*/
void dummyUDF(sqlite3_context *up1, int up2, sqlite3_value **up3){
  (void)up1;
  (void)up2;
  (void)up3;
  assert(0); /* VDBE should never be run. */
}
void dummyUDFvalue(sqlite3_context *up1){
  (void)up1;
  assert(0); /* VDBE should never be run. */
}

/*
** Register UDFs from user database with another.
*/
int registerUDFs(sqlite3 *dbSrc, sqlite3 *dbDst){
  sqlite3_stmt *pStmt;
  int rc = sqlite3_prepare_v2(dbSrc,
            "SELECT name,type,enc,narg,flags "
            "FROM pragma_function_list() "
            "WHERE builtin==0", -1, &pStmt, 0);
  if( rc==SQLITE_OK ){
    while( SQLITE_ROW==(rc = sqlite3_step(pStmt)) ){
      int nargs = sqlite3_column_int(pStmt,3);
      int flags = sqlite3_column_int(pStmt,4);
      const char *name = (char*)sqlite3_column_text(pStmt,0);
      const char *type = (char*)sqlite3_column_text(pStmt,1);
      const char *enc = (char*)sqlite3_column_text(pStmt,2);
      if( name==0 || type==0 || enc==0 ){
        /* no-op.  Only happens on OOM */
      }else{
        int ienc = SQLITE_UTF8;
        int rcf = SQLITE_ERROR;
        if( strcmp(enc,"utf16le")==0 ) ienc = SQLITE_UTF16LE;
        else if( strcmp(enc,"utf16be")==0 ) ienc = SQLITE_UTF16BE;
        ienc |= (flags & (SQLITE_DETERMINISTIC|SQLITE_DIRECTONLY));
        if( strcmp(type,"w")==0 ){
          rcf = sqlite3_create_window_function(dbDst,name,nargs,ienc,0,
                                               dummyUDF,dummyUDFvalue,0,0,0);
        }else if( strcmp(type,"a")==0 ){
          rcf = sqlite3_create_function(dbDst,name,nargs,ienc,0,
                                        0,dummyUDF,dummyUDFvalue);
        }else if( strcmp(type,"s")==0 ){
          rcf = sqlite3_create_function(dbDst,name,nargs,ienc,0,
                                        dummyUDF,0,0);
        }
        if( rcf!=SQLITE_OK ){
          rc = rcf;
          break;
        }
      }
    }
    sqlite3_finalize(pStmt);
    if( rc==SQLITE_DONE ) rc = SQLITE_OK;
  }
  return rc;
}
#endif

/*
** Allocate a new sqlite3expert object.
*/
sqlite3expert *sqlite3_expert_new(sqlite3 *db, char **pzErrmsg){
  int rc = SQLITE_OK;
  sqlite3expert *pNew;

  }
  if( rc==SQLITE_OK ){
    rc = sqlite3_open(":memory:", &pNew->dbm);
    if( rc==SQLITE_OK ){
      sqlite3_db_config(pNew->dbm, SQLITE_DBCONFIG_TRIGGER_EQP, 1, (int*)0);
    }
  }

  /* Allow custom collations to be dealt with through prepare. */
  if( rc==SQLITE_OK ) rc = sqlite3_collation_needed(pNew->dbm,0,useDummyCS);
  if( rc==SQLITE_OK ) rc = sqlite3_collation_needed(pNew->dbv,0,useDummyCS);

#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) \
  && !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)
  /* Register UDFs from database [db] with [dbm] and [dbv]. */
  if( rc==SQLITE_OK ){
    rc = registerUDFs(pNew->db, pNew->dbm);
  }
  if( rc==SQLITE_OK ){
    rc = registerUDFs(pNew->db, pNew->dbv);
  }
#endif

  /* Copy the entire schema of database [db] into [dbm]. */
  if( rc==SQLITE_OK ){
    sqlite3_stmt *pSql = 0;
    rc = idxPrintfPrepareStmt(pNew->db, &pSql, pzErrmsg, 
        "SELECT sql FROM sqlite_schema WHERE name NOT LIKE 'sqlite_%%'"
        " AND sql NOT LIKE 'CREATE VIRTUAL %%'"

  int rc = SQLITE_OK;
  const char *zStmt = zSql;

  if( p->bRun ) return SQLITE_MISUSE;

  while( rc==SQLITE_OK && zStmt && zStmt[0] ){
    sqlite3_stmt *pStmt = 0;
    /* Ensure that the provided statement compiles against user's DB. */
    rc = idxPrepareStmt(p->db, &pStmt, pzErr, zStmt);
    if( rc!=SQLITE_OK ) break;
    sqlite3_finalize(pStmt);
    rc = sqlite3_prepare_v2(p->dbv, zStmt, -1, &pStmt, &zStmt);
    if( rc==SQLITE_OK ){
      if( pStmt ){
        IdxStatement *pNew;
        const char *z = sqlite3_sql(pStmt);
        int n = STRLEN(z);
        pNew = (IdxStatement*)idxMalloc(&rc, sizeof(IdxStatement) + n+1);

** the text of this file.  Search for "Begin file sqlite3.h" to find the start
** of the embedded sqlite3.h header file.) Additional code files may be needed
** if you want a wrapper to interface SQLite with your choice of programming
** language. The code for the "sqlite3" command-line shell is also in a
** separate file. This file contains only code for the core SQLite library.
**
** The content in this amalgamation comes from Fossil check-in
** 4be9af4469d7e31ee852f67e5aa32996557.
*/
#define SQLITE_CORE 1
#define SQLITE_AMALGAMATION 1
#ifndef SQLITE_PRIVATE
# define SQLITE_PRIVATE static
#endif
/************** Begin file sqliteInt.h ***************************************/

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.44.0"
#define SQLITE_VERSION_NUMBER 3044000
#define SQLITE_SOURCE_ID      "2023-10-24 11:06:44 54be9af4469d7e31ee852f67e5aa32996557c10de654a60103fd165d2fedf311"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros

#ifndef SQLITE_OMIT_INTEGRITY_CHECK

/*
** Return non-zero if the bit in the IntegrityCk.aPgRef[] array that
** corresponds to page iPg is already set.
*/
static int getPageReferenced(IntegrityCk *pCheck, Pgno iPg){
  assert( pCheck->aPgRef!=0 );
  assert( iPg<=pCheck->nCkPage && sizeof(pCheck->aPgRef[0])==1 );
  return (pCheck->aPgRef[iPg/8] & (1 << (iPg & 0x07)));
}

/*
** Set the bit in the IntegrityCk.aPgRef[] array that corresponds to page iPg.
*/
static void setPageReferenced(IntegrityCk *pCheck, Pgno iPg){
  assert( pCheck->aPgRef!=0 );
  assert( iPg<=pCheck->nCkPage && sizeof(pCheck->aPgRef[0])==1 );
  pCheck->aPgRef[iPg/8] |= (1 << (iPg & 0x07));
}


/*
** Add 1 to the reference count for page iPage.  If this is the second

    assert( dupFlags==EXPRDUP_REDUCE );
  }else{
    int nAlloc;
    if( dupFlags ){
      nAlloc = dupedExprSize(p);
    }else if( !ExprHasProperty(p, EP_IntValue) && p->u.zToken ){
      nToken = sqlite3Strlen30NN(p->u.zToken)+1;
      nAlloc = ROUND8(EXPR_FULLSIZE + nToken);
    }else{
      nToken = 0;
      nAlloc = ROUND8(EXPR_FULLSIZE);
    }
    assert( nAlloc==ROUND8(nAlloc) );
    sEdupBuf.zAlloc = sqlite3DbMallocRawNN(db, nAlloc);
#ifdef SQLITE_DEBUG
    sEdupBuf.zEnd = sEdupBuf.zAlloc ? sEdupBuf.zAlloc+nAlloc : 0;
#endif

        int r1 = -1;
        int bStrict;            /* True for a STRICT table */
        int r2;                 /* Previous key for WITHOUT ROWID tables */
        int mxCol;              /* Maximum non-virtual column number */

        if( pObjTab && pObjTab!=pTab ) continue;
        if( !IsOrdinaryTable(pTab) ){
#ifndef SQLITE_OMIT_VIRTUALTABLE
          sqlite3_vtab *pVTab;
          int a1;
          if( !IsVirtual(pTab) ) continue;
          if( pTab->nCol<=0 ){
            const char *zMod = pTab->u.vtab.azArg[0];
            if( sqlite3HashFind(&db->aModule, zMod)==0 ) continue;
          }
          sqlite3ViewGetColumnNames(pParse, pTab);
          if( pTab->u.vtab.p==0 ) continue;
          pVTab = pTab->u.vtab.p->pVtab;
          if( NEVER(pVTab==0) ) continue;
          if( NEVER(pVTab->pModule==0) ) continue;
          if( pVTab->pModule->iVersion<4 ) continue;
          if( pVTab->pModule->xIntegrity==0 ) continue;
          sqlite3VdbeAddOp2(v, OP_VCheck, 0, 3);
          sqlite3VdbeAppendP4(v, pTab, P4_TABLE);
          a1 = sqlite3VdbeAddOp1(v, OP_IsNull, 3); VdbeCoverage(v);
          integrityCheckResultRow(v);
          sqlite3VdbeJumpHere(v, a1);
#endif
          continue;
        }
        if( isQuick || HasRowid(pTab) ){
          pPk = 0;
          r2 = 0;
        }else{
          pPk = sqlite3PrimaryKeyIndex(pTab);

  void(*xCallback)(         /* Callback function */
    void*,sqlite3*,int,char const*,char const*,sqlite3_int64,sqlite3_int64),
  void *pArg                /* First callback argument */
){
  void *pRet;

#ifdef SQLITE_ENABLE_API_ARMOR
  if( db==0 ){
    return 0;
  }
#endif
  sqlite3_mutex_enter(db->mutex);
  pRet = db->pPreUpdateArg;
  db->xPreUpdateCallback = xCallback;
  db->pPreUpdateArg = pArg;

** Implementation of the xIntegrity() method on the FTS3/FTS4 virtual
** table.
*/
static int fts3Integrity(sqlite3_vtab *pVtab, char **pzErr){
  Fts3Table *p = (Fts3Table*)pVtab;
  char *zSql;
  int rc;
  char *zErr = 0;

  zSql = sqlite3_mprintf(
            "INSERT INTO \"%w\".\"%w\"(\"%w\") VALUES('integrity-check');",
            p->zDb, p->zName, p->zName);
  if( zSql==0 ){
    return SQLITE_NOMEM;
  }
  rc = sqlite3_exec(p->db, zSql, 0, 0, &zErr);
  sqlite3_free(zSql);
  if( (rc&0xff)==SQLITE_CORRUPT ){
    *pzErr = sqlite3_mprintf("malformed inverted index for FTS%d table %s.%s",
                p->bFts4 ? 4 : 3, p->zDb, p->zName);
  }else if( rc!=SQLITE_OK ){
    *pzErr = sqlite3_mprintf("unable to validate the inverted index for"
                             " FTS%d table %s.%s: %s",
                p->bFts4 ? 4 : 3, p->zDb, p->zName, zErr);
  }
  sqlite3_free(zErr);
  return SQLITE_OK;
}



static const sqlite3_module fts3Module = {
  /* iVersion      */ 4,
  /* xCreate       */ fts3CreateMethod,

  /* Node must have already been started. There must be a doclist for a
  ** leaf node, and there must not be a doclist for an internal node.  */
  assert( pNode->n>0 );
  assert_fts3_nc( (pNode->a[0]=='\0')==(aDoclist!=0) );

  blobGrowBuffer(pPrev, nTerm, &rc);
  if( rc!=SQLITE_OK ) return rc;
  assert( pPrev!=0 );
  assert( pPrev->a!=0 );

  nPrefix = fts3PrefixCompress(pPrev->a, pPrev->n, zTerm, nTerm);
  nSuffix = nTerm - nPrefix;
  if( nSuffix<=0 ) return FTS_CORRUPT_VTAB;
  memcpy(pPrev->a, zTerm, nTerm);
  pPrev->n = nTerm;

/*
** The buffer that the argument points to contains a serialized SQL value.
** Return the number of bytes of space occupied by the value (including
** the type byte).
*/
static int sessionSerialLen(const u8 *a){
  int e;
  int n;
  assert( a!=0 );
  e = *a;
  if( e==0 || e==0xFF ) return 1;
  if( e==SQLITE_NULL ) return 1;
  if( e==SQLITE_INTEGER || e==SQLITE_FLOAT ) return 9;
  return sessionVarintGet(&a[1], &n) + 1 + n;
}

/*

  int bIndirect,                  /* True if second change is indirect */
  u8 *aRec,                       /* Second change record */
  int nRec,                       /* Number of bytes in aRec */
  SessionChange **ppNew           /* OUT: Merged change */
){
  SessionChange *pNew = 0;
  int rc = SQLITE_OK;
  assert( aRec!=0 );

  if( !pExist ){
    pNew = (SessionChange *)sqlite3_malloc64(sizeof(SessionChange) + nRec);
    if( !pNew ){
      return SQLITE_NOMEM;
    }
    memset(pNew, 0, sizeof(SessionChange));

static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2023-10-23 23:34:53 9d388267e4e6724e2df333fe09d509e87defcfe984c5c2ebe031152d320812d0", -1, SQLITE_TRANSIENT);
}

/*
** Return true if zName is the extension on one of the shadow tables used
** by this module.
*/
static int fts5ShadowName(const char *zName){

** if anything is found amiss.  Return a NULL pointer if everything is
** OK.
*/
static int fts5Integrity(sqlite3_vtab *pVtab, char **pzErr){
  Fts5FullTable *pTab = (Fts5FullTable*)pVtab;
  Fts5Config *pConfig = pTab->p.pConfig;
  char *zSql;
  char *zErr = 0;
  int rc;
  zSql = sqlite3_mprintf(
            "INSERT INTO \"%w\".\"%w\"(\"%w\") VALUES('integrity-check');",
            pConfig->zDb, pConfig->zName, pConfig->zName);
  if( zSql==0 ) return SQLITE_NOMEM;
  rc = sqlite3_exec(pConfig->db, zSql, 0, 0, &zErr);
  sqlite3_free(zSql);
  if( (rc&0xff)==SQLITE_CORRUPT ){
    *pzErr = sqlite3_mprintf("malformed inverted index for FTS5 table %s.%s",
                pConfig->zDb, pConfig->zName);
  }else if( rc!=SQLITE_OK ){
    *pzErr = sqlite3_mprintf("unable to validate the inverted index for"
                             " FTS5 table %s.%s: %s",
                pConfig->zDb, pConfig->zName, zErr);
  }
  sqlite3_free(zErr);
  return SQLITE_OK;

}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 4,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.44.0"
#define SQLITE_VERSION_NUMBER 3044000
#define SQLITE_SOURCE_ID      "2023-10-24 11:06:44 54be9af4469d7e31ee852f67e5aa32996557c10de654a60103fd165d2fedf311"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros