/******************************************************************************
** This file is an amalgamation of many separate C source files from SQLite
** version 3.52.0.  By combining all the individual C code files into this
** single large file, the entire code can be compiled as a single translation
** unit.  This allows many compilers to do optimizations that would not be
** possible if the files were compiled separately.  Performance improvements
** of 5% or more are commonly seen when SQLite is compiled as a single
** translation unit.
**
** This file is all you need to compile SQLite.  To use SQLite in other
** programs, you need this file and the "sqlite3.h" header file that defines
** the programming interface to the SQLite library.  (If you do not have
** the "sqlite3.h" header file at hand, you will find a copy embedded within
** 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
** 7e460ffa5aae884807db9e7c8214d6d822d5 with changes in files:
**
**    
*/
#ifndef SQLITE_AMALGAMATION
#define SQLITE_CORE 1
#define SQLITE_AMALGAMATION 1
#ifndef SQLITE_PRIVATE

** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.52.0"
#define SQLITE_VERSION_NUMBER 3052000
#define SQLITE_SOURCE_ID      "2025-11-18 17:49:48 7e460ffa5aae884807db9e7c8214d6d822d5d38ea406fe3b3eac04ac16f158fa"
#define SQLITE_SCM_BRANCH     "trunk"
#define SQLITE_SCM_TAGS       ""
#define SQLITE_SCM_DATETIME   "2025-11-18T17:49:48.189Z"

/*
** 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

** not considered a bug since SQLite versions 3.3.0 and earlier do not support
** either generated columns or descending indexes.
** </dd>
**
** [[SQLITE_DBCONFIG_STMT_SCANSTATUS]]
** <dt>SQLITE_DBCONFIG_STMT_SCANSTATUS</dt>
** <dd>The SQLITE_DBCONFIG_STMT_SCANSTATUS option is only useful in
** [SQLITE_ENABLE_STMT_SCANSTATUS] builds. In this case, it sets or clears
** a flag that enables collection of run-time performance statistics
** used by [sqlite3_stmt_scanstatus_v2()] and the [nexec and ncycle]
** columns of the [bytecode virtual table].
** For statistics to be collected, the flag must be set on
** the database handle both when the SQL statement is
** [sqlite3_prepare|prepared] and when it is [sqlite3_step|stepped].
** The flag is set (collection of statistics is enabled) by default.
** <p>This option takes two arguments: an integer and a pointer to
** an integer.  The first argument is 1, 0, or -1 to enable, disable, or
** leave unchanged the statement scanstatus option.  If the second argument
** is not NULL, then the value of the statement scanstatus setting after
** processing the first argument is written into the integer that the second
** argument points to.
** </dd>
**

SQLITE_API int sqlite3_extended_errcode(sqlite3 *db);
SQLITE_API const char *sqlite3_errmsg(sqlite3*);
SQLITE_API const void *sqlite3_errmsg16(sqlite3*);
SQLITE_API const char *sqlite3_errstr(int);
SQLITE_API int sqlite3_error_offset(sqlite3 *db);

/*
** CAPI3REF: Set Error Code And Message
** METHOD: sqlite3
**
** Set the error code of the database handle passed as the first argument
** to errcode, and the error message to a copy of nul-terminated string
** zErrMsg. If zErrMsg is passed NULL, then the error message is set to
** the default message associated with the supplied error code.  Subsequent
** calls to [sqlite3_errcode()] and [sqlite3_errmsg()] and similar will

** [[SQLITE_LIMIT_COLUMN]] ^(<dt>SQLITE_LIMIT_COLUMN</dt>
** <dd>The maximum number of columns in a table definition or in the
** result set of a [SELECT] or the maximum number of columns in an index
** or in an ORDER BY or GROUP BY clause.</dd>)^
**
** [[SQLITE_LIMIT_EXPR_DEPTH]] ^(<dt>SQLITE_LIMIT_EXPR_DEPTH</dt>
** <dd>The maximum depth of the parse tree on any expression.</dd>)^
**
** [[SQLITE_LIMIT_PARSER_DEPTH]] ^(<dt>SQLITE_LIMIT_PARSER_DEPTH</dt>
** <dd>The maximum depth of the LALR(1) parser stack used to analyze
** input SQL statements.</dd>)^
**
** [[SQLITE_LIMIT_COMPOUND_SELECT]] ^(<dt>SQLITE_LIMIT_COMPOUND_SELECT</dt>
** <dd>The maximum number of terms in a compound SELECT statement.</dd>)^
**
** [[SQLITE_LIMIT_VDBE_OP]] ^(<dt>SQLITE_LIMIT_VDBE_OP</dt>
** <dd>The maximum number of instructions in a virtual machine program
** used to implement an SQL statement.  If [sqlite3_prepare_v2()] or

#define SQLITE_LIMIT_VDBE_OP                   5
#define SQLITE_LIMIT_FUNCTION_ARG              6
#define SQLITE_LIMIT_ATTACHED                  7
#define SQLITE_LIMIT_LIKE_PATTERN_LENGTH       8
#define SQLITE_LIMIT_VARIABLE_NUMBER           9
#define SQLITE_LIMIT_TRIGGER_DEPTH            10
#define SQLITE_LIMIT_WORKER_THREADS           11
#define SQLITE_LIMIT_PARSER_DEPTH             12

/*
** CAPI3REF: Prepare Flags
**
** These constants define various flags that can be passed into the
** "prepFlags" parameter of the [sqlite3_prepare_v3()] and
** [sqlite3_prepare16_v3()] interfaces.

** and returns a pointer to a memory buffer obtained from [sqlite3_malloc64()]
** that contains the constructed string.  The calling application should
** pass the returned value to [sqlite3_free()] to avoid a memory leak.
** ^The [sqlite3_str_finish(X)] interface may return a NULL pointer if any
** errors were encountered during construction of the string.  ^The
** [sqlite3_str_finish(X)] interface will also return a NULL pointer if the
** string in [sqlite3_str] object X is zero bytes long.
**
** ^The [sqlite3_str_free(X)] interface destroys both the sqlite3_str object
** X and the string content it contains.  Calling sqlite3_str_free(X) is
** the equivalent of calling [sqlite3_free](sqlite3_str_finish(X)).
*/
SQLITE_API char *sqlite3_str_finish(sqlite3_str*);
SQLITE_API void sqlite3_str_free(sqlite3_str*);

/*
** CAPI3REF: Add Content To A Dynamic String
** METHOD: sqlite3_str
**
** These interfaces add or remove content to an sqlite3_str object
** previously obtained from [sqlite3_str_new()].
**
** ^The [sqlite3_str_appendf(X,F,...)] and
** [sqlite3_str_vappendf(X,F,V)] interfaces uses the [built-in printf]
** functionality of SQLite to append formatted text onto the end of
** [sqlite3_str] object X.
**
** ^The [sqlite3_str_append(X,S,N)] method appends exactly N bytes from string S

**
** ^The [sqlite3_str_appendchar(X,N,C)] method appends N copies of the
** single-byte character C onto the end of [sqlite3_str] object X.
** ^This method can be used, for example, to add whitespace indentation.
**
** ^The [sqlite3_str_reset(X)] method resets the string under construction
** inside [sqlite3_str] object X back to zero bytes in length.
**
** ^The [sqlite3_str_truncate(X,N)] method changes the length of the string
** under construction to be N bytes are less.  This routine is a no-op if
** N is negative or if the string is already N bytes or smaller in size.
**
** These methods do not return a result code.  ^If an error occurs, that fact
** is recorded in the [sqlite3_str] object and can be recovered by a
** subsequent call to [sqlite3_str_errcode(X)].
*/
SQLITE_API void sqlite3_str_appendf(sqlite3_str*, const char *zFormat, ...);
SQLITE_API void sqlite3_str_vappendf(sqlite3_str*, const char *zFormat, va_list);
SQLITE_API void sqlite3_str_append(sqlite3_str*, const char *zIn, int N);
SQLITE_API void sqlite3_str_appendall(sqlite3_str*, const char *zIn);
SQLITE_API void sqlite3_str_appendchar(sqlite3_str*, int N, char C);
SQLITE_API void sqlite3_str_reset(sqlite3_str*);
SQLITE_API void sqlite3_str_truncate(sqlite3_str*,int N);

/*
** CAPI3REF: Status Of A Dynamic String
** METHOD: sqlite3_str
**
** These interfaces return the current status of an [sqlite3_str] object.
**

** <blockquote><pre>
** &nbsp;  for(rc=sqlite3_vtab_in_first(pList, &pVal);
** &nbsp;      rc==SQLITE_OK && pVal;
** &nbsp;      rc=sqlite3_vtab_in_next(pList, &pVal)
** &nbsp;  ){
** &nbsp;    // do something with pVal
** &nbsp;  }
** &nbsp;  if( rc!=SQLITE_DONE ){
** &nbsp;    // an error has occurred
** &nbsp;  }
** </pre></blockquote>)^
**
** ^On success, the sqlite3_vtab_in_first(X,P) and sqlite3_vtab_in_next(X,P)
** routines return SQLITE_OK and set *P to point to the first or next value
** on the RHS of the IN constraint.  ^If there are no more values on the

**
** The "iScanStatusOp" parameter determines which status information to return.
** The "iScanStatusOp" must be one of the [scanstatus options] or the behavior
** of this interface is undefined. ^The requested measurement is written into
** a variable pointed to by the "pOut" parameter.
**
** The "flags" parameter must be passed a mask of flags. At present only
** one flag is defined - [SQLITE_SCANSTAT_COMPLEX]. If SQLITE_SCANSTAT_COMPLEX
** is specified, then status information is available for all elements
** of a query plan that are reported by "[EXPLAIN QUERY PLAN]" output. If
** SQLITE_SCANSTAT_COMPLEX is not specified, then only query plan elements
** that correspond to query loops (the "SCAN..." and "SEARCH..." elements of
** the EXPLAIN QUERY PLAN output) are available. Invoking API
** sqlite3_stmt_scanstatus() is equivalent to calling
** sqlite3_stmt_scanstatus_v2() with a zeroed flags parameter.
**
** Parameter "idx" identifies the specific query element to retrieve statistics
** for. Query elements are numbered starting from zero. A value of -1 may
** retrieve statistics for the entire query. ^If idx is out of range
** - less than -1 or greater than or equal to the total number of query
** elements used to implement the statement - a non-zero value is returned and
** the variable that pOut points to is unchanged.
**
** See also: [sqlite3_stmt_scanstatus_reset()] and the
** [nexec and ncycle] columnes of the [bytecode virtual table].
*/
SQLITE_API int sqlite3_stmt_scanstatus(
  sqlite3_stmt *pStmt,      /* Prepared statement for which info desired */
  int idx,                  /* Index of loop to report on */
  int iScanStatusOp,        /* Information desired.  SQLITE_SCANSTAT_* */
  void *pOut                /* Result written here */
);

** to turn this limit off.
*/
#ifndef SQLITE_MAX_SQL_LENGTH
# define SQLITE_MAX_SQL_LENGTH 1000000000
#endif

/*
** The maximum depth of an expression tree. The expression tree depth
** is also limited indirectly by SQLITE_MAX_SQL_LENGTH and by
** SQLITE_MAX_PARSER_DEPTH.  Reducing the maximum complexity of
** expressions can help prevent excess memory usage by hostile SQL.
**
** A value of 0 for this compile-time option causes all expression
** depth limiting code to be omitted.
*/
#ifndef SQLITE_MAX_EXPR_DEPTH
# define SQLITE_MAX_EXPR_DEPTH 1000
#endif

/*
** The maximum depth of the LALR(1) stack used in the parser that
** interprets SQL inputs. The parser stack depth can also be limited
** indirectly by SQLITE_MAX_SQL_LENGTH.  Limiting the parser stack
** depth can help prevent excess memory usage and excess CPU stack
** usage when processing hostile SQL.
**
** Prior to version 3.45.0 (2024-01-15), the parser stack was
** hard-coded to 100 entries, and that worked fine for almost all
** applications.  So the upper bound on this limit need not be large.
*/
#ifndef SQLITE_MAX_PARSER_DEPTH
# define SQLITE_MAX_PARSER_DEPTH 2500
#endif

/*
** The maximum number of terms in a compound SELECT statement.
** The code generator for compound SELECT statements does one
** level of recursion for each term.  A stack overflow can result
** if the number of terms is too large.  In practice, most SQL
** never has more than 3 or 4 terms.  Use a value of 0 to disable
** any limit on the number of terms in a compound SELECT.

#define DB_UnresetViews    0x0002  /* Some views have defined column names */
#define DB_ResetWanted     0x0008  /* Reset the schema when nSchemaLock==0 */

/*
** The number of different kinds of things that can be limited
** using the sqlite3_limit() interface.
*/
#define SQLITE_N_LIMIT (SQLITE_LIMIT_PARSER_DEPTH+1)

/*
** Lookaside malloc is a set of fixed-size buffers that can be used
** to satisfy small transient memory allocation requests for objects
** associated with a particular database connection.  The use of
** lookaside malloc provides a significant performance enhancement
** (approx 10%) by avoiding numerous malloc/free requests while parsing

  return p ? p->accError : SQLITE_NOMEM;
}

/* Return the current length of p in bytes */
SQLITE_API int sqlite3_str_length(sqlite3_str *p){
  return p ? p->nChar : 0;
}

/* Truncate the text of the string to be no more than N bytes. */
SQLITE_API void sqlite3_str_truncate(sqlite3_str *p, int N){
  if( p!=0 && N>=0 && (u32)N<p->nChar ){
    p->nChar = N;
    p->zText[p->nChar] = 0;
  }
}

/* Return the current value for p */
SQLITE_API char *sqlite3_str_value(sqlite3_str *p){
  if( p==0 || p->nChar==0 ) return 0;
  p->zText[p->nChar] = 0;
  return p->zText;
}

/*
** Reset an StrAccum string.  Reclaim all malloced memory.
*/
SQLITE_API void sqlite3_str_reset(StrAccum *p){
  if( isMalloced(p) ){
    sqlite3DbFree(p->db, p->zText);
    p->printfFlags &= ~SQLITE_PRINTF_MALLOCED;
  }
  p->nAlloc = 0;
  p->nChar = 0;
  p->zText = 0;
}

/*
** Destroy a dynamically allocate sqlite3_str object and all
** of its content, all in one call.
*/
SQLITE_API void sqlite3_str_free(sqlite3_str *p){
  if( p ){
    sqlite3_str_reset(p);
    sqlite3_free(p);
  }
}

/*
** Initialize a string accumulator.
**
** p:     The accumulator to be initialized.
** db:    Pointer to a database connection.  May be NULL.  Lookaside
**        memory is used if not NULL. db->mallocFailed is set appropriately

  pH->count++;
  if( pH->count>=5 && pH->count > 2*pH->htsize ){
    rehash(pH, pH->count*3);
  }
  insertElement(pH, pH->ht ? &pH->ht[new_elem->h % pH->htsize] : 0, new_elem);
  return 0;
}


/************** End of hash.c ************************************************/
/************** Begin file opcodes.c *****************************************/
/* Automatically generated.  Do not edit */
/* See the tool/mkopcodec.tcl script for details. */
#if !defined(SQLITE_OMIT_EXPLAIN) \
 || defined(VDBE_PROFILE) \

  if( sqlite3PCacheIsDirty(pPager->pPCache) ) return 0; /* Failed (3) */
#ifndef SQLITE_OMIT_WAL
  if( pPager->pWal ){
    u32 iRead = 0;
    (void)sqlite3WalFindFrame(pPager->pWal, pgno, &iRead);
    if( iRead ) return 0;  /* Case (4) */
  }
#else
  UNUSED_PARAMETER(pgno);
#endif
  assert( pPager->fd->pMethods->xDeviceCharacteristics!=0 );
  if( (pPager->fd->pMethods->xDeviceCharacteristics(pPager->fd)
        & SQLITE_IOCAP_SUBPAGE_READ)==0 ){
    return 0; /* Case (2) */
  }
  return 1;

     && SQLITE_OK==databaseIsUnmoved(pPager)
    ){
      a = pTmp;
    }
    sqlite3WalClose(pPager->pWal, db, pPager->walSyncFlags, pPager->pageSize,a);
    pPager->pWal = 0;
  }
#else
  UNUSED_PARAMETER(db);
#endif
  pager_reset(pPager);
  if( MEMDB ){
    pager_unlock(pPager);
  }else{
    /* If it is open, sync the journal file before calling UnlockAndRollback.
    ** If this is not done, then an unsynced portion of the open journal

    ** block for the WRITER lock first if possible. */
    if( pBt->pPage1==0 && wrflag ){
      assert( pBt->inTransaction==TRANS_NONE );
      rc = sqlite3PagerWalWriteLock(pPager, 1);
      if( rc!=SQLITE_BUSY && rc!=SQLITE_OK ) break;
    }
#endif

#ifdef SQLITE_EXPERIMENTAL_PRAGMA_20251114
    /* If both a read and write transaction will be opened by this call,
    ** then issue a file-control as if the following pragma command had
    ** been evaluated:
    **
    **     PRAGMA experimental_pragma_20251114 = 1|2
    **
    ** where the RHS is "1" if wrflag is 1 (RESERVED lock), or "2" if wrflag
    ** is 2 (EXCLUSIVE lock). Ignore any result or error returned by the VFS.
    **
    ** WARNING: This code will likely remain part of SQLite only temporarily -
    ** it exists to allow users to experiment with certain types of blocking
    ** locks in custom VFS implementations. It MAY BE REMOVED AT ANY TIME.  */
    if( pBt->pPage1==0 && wrflag ){
      sqlite3_file *fd = sqlite3PagerFile(pPager);
      char *aFcntl[3] = {0,0,0};
      aFcntl[1] = "experimental_pragma_20251114";
      assert( wrflag==1 || wrflag==2 );
      aFcntl[2] = (wrflag==1 ? "1" : "2");
      sqlite3OsFileControlHint(fd, SQLITE_FCNTL_PRAGMA, (void*)aFcntl);
      sqlite3_free(aFcntl[0]);
    }
#endif

    /* Call lockBtree() until either pBt->pPage1 is populated or
    ** lockBtree() returns something other than SQLITE_OK. lockBtree()
    ** may return SQLITE_OK but leave pBt->pPage1 set to 0 if after
    ** reading page 1 it discovers that the page-size of the database
    ** file is not pBt->pageSize. In this case lockBtree() will update
    ** pBt->pageSize to the page-size of the file on disk.

            aIn += 4;
            nIn = pSrc->pBt->usableSize - 4;
          }
        }
      }while( rc==SQLITE_OK && nOut>0 );

      if( rc==SQLITE_OK && nRem>0 && ALWAYS(pPgnoOut) ){
        Pgno pgnoNew = 0;  /* Prevent harmless static-analyzer warning */
        MemPage *pNew = 0;
        rc = allocateBtreePage(pBt, &pNew, &pgnoNew, 0, 0);
        put4byte(pPgnoOut, pgnoNew);
        if( ISAUTOVACUUM(pBt) && pPageOut ){
          ptrmapPut(pBt, pgnoNew, PTRMAP_OVERFLOW2, pPageOut->pgno, &rc);
        }
        releasePage(pPageOut);

      nEntry = sqlite3PagerWalCallback(sqlite3BtreePager(pBt));
      sqlite3BtreeLeave(pBt);
      if( nEntry>0 && db->xWalCallback && rc==SQLITE_OK ){
        rc = db->xWalCallback(db->pWalArg, db, db->aDb[i].zDbSName, nEntry);
      }
    }
  }
#else
  UNUSED_PARAMETER(db);
#endif
  return rc;
}


/*
** Execute the statement pStmt, either until a row of data is ready, the

**
** This file contains inline asm code for retrieving "high-performance"
** counters for x86 and x86_64 class CPUs.
*/
#ifndef SQLITE_HWTIME_H
#define SQLITE_HWTIME_H

#if defined(_MSC_VER) && defined(_WIN32)


  #include <profileapi.h>

  __inline sqlite3_uint64 sqlite3Hwtime(void){
    LARGE_INTEGER tm;
    QueryPerformanceCounter(&tm);
    return (sqlite3_uint64)tm.QuadPart;
  }

#elif !defined(__STRICT_ANSI__) && defined(__GNUC__) && \

    (defined(i386) || defined(__i386__) || defined(_M_IX86))

  __inline__ sqlite_uint64 sqlite3Hwtime(void){
     unsigned int lo, hi;
     __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
     return (sqlite_uint64)hi << 32 | lo;
  }

#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__))

  __inline__ sqlite_uint64 sqlite3Hwtime(void){
     unsigned int lo, hi;
     __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
     return (sqlite_uint64)hi << 32 | lo;
  }












#elif !defined(__STRICT_ANSI__) && defined(__GNUC__) &&  defined(__aarch64__)

  __inline__ sqlite_uint64 sqlite3Hwtime(void){
     sqlite3_uint64 cnt;
     __asm__ __volatile__ ("mrs %0, cntvct_el0" : "=r" (cnt));
     return cnt;
  }

#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__))

  __inline__ sqlite_uint64 sqlite3Hwtime(void){
      unsigned long long retval;
      unsigned long junk;

  temp1 = pSchema->tblHash;
  temp2 = pSchema->trigHash;
  sqlite3HashInit(&pSchema->trigHash);
  sqlite3HashClear(&pSchema->idxHash);
  for(pElem=sqliteHashFirst(&temp2); pElem; pElem=sqliteHashNext(pElem)){
    sqlite3DeleteTrigger(&xdb, (Trigger*)sqliteHashData(pElem));
  }

  sqlite3HashClear(&temp2);
  sqlite3HashInit(&pSchema->tblHash);
  for(pElem=sqliteHashFirst(&temp1); pElem; pElem=sqliteHashNext(pElem)){
    Table *pTab = sqliteHashData(pElem);
    sqlite3DeleteTable(&xdb, pTab);
  }
  sqlite3HashClear(&temp1);

  void *(*get_clientdata)(sqlite3*,const char*);
  int (*set_clientdata)(sqlite3*, const char*, void*, void(*)(void*));
  /* Version 3.50.0 and later */
  int (*setlk_timeout)(sqlite3*,int,int);
  /* Version 3.51.0 and later */
  int (*set_errmsg)(sqlite3*,int,const char*);
  int (*db_status64)(sqlite3*,int,sqlite3_int64*,sqlite3_int64*,int);
  /* Version 3.52.0 and later */
  void (*str_truncate)(sqlite3_str*,int);
  void (*str_free)(sqlite3_str*);
};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(

#define sqlite3_get_clientdata         sqlite3_api->get_clientdata
#define sqlite3_set_clientdata         sqlite3_api->set_clientdata
/* Version 3.50.0 and later */
#define sqlite3_setlk_timeout          sqlite3_api->setlk_timeout
/* Version 3.51.0 and later */
#define sqlite3_set_errmsg             sqlite3_api->set_errmsg
#define sqlite3_db_status64            sqlite3_api->db_status64
/* Version 3.52.0 and later */
#define sqlite3_str_truncate           sqlite3_api->str_truncate
#define sqlite3_str_free               sqlite3_api->str_free
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;

  /* Version 3.44.0 and later */
  sqlite3_get_clientdata,
  sqlite3_set_clientdata,
  /* Version 3.50.0 and later */
  sqlite3_setlk_timeout,
  /* Version 3.51.0 and later */
  sqlite3_set_errmsg,
  sqlite3_db_status64,
  /* Version 3.52.0 and later */
  sqlite3_str_truncate,
  sqlite3_str_free
};

/* True if x is the directory separator character
*/
#if SQLITE_OS_WIN
# define DirSep(X)  ((X)=='/'||(X)=='\\')
#else

  pTab->pSchema = db->aDb[0].pSchema;
  assert( pTab->u.vtab.nArg==0 );
  pTab->iPKey = -1;
  pTab->tabFlags |= TF_Eponymous;
  addModuleArgument(pParse, pTab, sqlite3DbStrDup(db, pTab->zName));
  addModuleArgument(pParse, pTab, 0);
  addModuleArgument(pParse, pTab, sqlite3DbStrDup(db, pTab->zName));
  db->nSchemaLock++;
  rc = vtabCallConstructor(db, pTab, pMod, pModule->xConnect, &zErr);
  db->nSchemaLock--;
  if( rc ){
    sqlite3ErrorMsg(pParse, "%s", zErr);
    pParse->rc = rc;
    sqlite3DbFree(db, zErr);
    sqlite3VtabEponymousTableClear(db, pMod);
  }
  return 1;
}

/*

        op = pLevel->op==OP_Prev ? OP_SeekLT : OP_SeekGT;
        addrSeek = sqlite3VdbeAddOp4Int(v, op, pLevel->iIdxCur, 0, r1, n);
        VdbeCoverageIf(v, op==OP_SeekLT);
        VdbeCoverageIf(v, op==OP_SeekGT);
        sqlite3VdbeAddOp2(v, OP_Goto, 1, pLevel->p2);
      }
#endif /* SQLITE_DISABLE_SKIPAHEAD_DISTINCT */
      if( pTabList->a[pLevel->iFrom].fg.fromExists && i==pWInfo->nLevel-1 ){
        /* If the EXISTS-to-JOIN optimization was applied, then the EXISTS
        ** loop(s) will be the inner-most loops of the join. There might be
        ** multiple EXISTS loops, but they will all be nested, and the join
        ** order will not have been changed by the query planner.  If the
        ** inner-most EXISTS loop sees a single successful row, it should
        ** break out of *all* EXISTS loops.  But only the inner-most of the
        ** nested EXISTS loops should do this breakout. */
        int nOuter = 0; /* Nr of outer EXISTS that this one is nested within */
        while( nOuter<i ){
          if( !pTabList->a[pLevel[-nOuter-1].iFrom].fg.fromExists ) break;
          nOuter++;
        }
        testcase( nOuter>0 );
        sqlite3VdbeAddOp2(v, OP_Goto, 0, pLevel[-nOuter].addrBrk);
        VdbeComment((v, "EXISTS break"));
      }
      /* The common case: Advance to the next row */
      if( pLevel->addrCont ) sqlite3VdbeResolveLabel(v, pLevel->addrCont);
      sqlite3VdbeAddOp3(v, pLevel->op, pLevel->p1, pLevel->p2, pLevel->p3);
      sqlite3VdbeChangeP5(v, pLevel->p5);
      VdbeCoverage(v);
      VdbeCoverageIf(v, pLevel->op==OP_Next);

    return pSelect;
  }

  /* Memory allocator for parser stack resizing.  This is a thin wrapper around
  ** sqlite3_realloc() that includes a call to sqlite3FaultSim() to facilitate
  ** testing.
  */
  static void *parserStackRealloc(
    void *pOld,               /* Prior allocation */
    sqlite3_uint64 newSize,   /* Requested new alloation size */
    Parse *pParse             /* Parsing context */
  ){
    void *p = sqlite3FaultSim(700) ? 0 : sqlite3_realloc(pOld, newSize);
    if( p==0 ) sqlite3OomFault(pParse->db);
    return p;
  }
  static void parserStackFree(void *pOld, Parse *pParse){
    (void)pParse;
    sqlite3_free(pOld);
  }

  /* Return an integer that is the maximum allowed stack size */
  static int parserStackSizeLimit(Parse *pParse){
    return pParse->db->aLimit[SQLITE_LIMIT_PARSER_DEPTH];
  }


  /* Construct a new Expr object from a single token */
  static Expr *tokenExpr(Parse *pParse, int op, Token t){
    Expr *p = sqlite3DbMallocRawNN(pParse->db, sizeof(Expr)+t.n+1);
    if( p ){

  Window* yy483;
  int yy502;
  SrcList* yy563;
  Expr* yy590;
  Select* yy637;
} YYMINORTYPE;
#ifndef YYSTACKDEPTH
#define YYSTACKDEPTH 50
#endif
#define sqlite3ParserARG_SDECL
#define sqlite3ParserARG_PDECL
#define sqlite3ParserARG_PARAM
#define sqlite3ParserARG_FETCH
#define sqlite3ParserARG_STORE
#undef YYREALLOC
#define YYREALLOC parserStackRealloc
#undef YYFREE
#define YYFREE parserStackFree
#undef YYDYNSTACK
#define YYDYNSTACK 1
#undef YYSIZELIMIT
#define YYSIZELIMIT parserStackSizeLimit
#define sqlite3ParserCTX(P) ((P)->pParse)
#define sqlite3ParserCTX_SDECL Parse *pParse;
#define sqlite3ParserCTX_PDECL ,Parse *pParse
#define sqlite3ParserCTX_PARAM ,pParse
#define sqlite3ParserCTX_FETCH Parse *pParse=yypParser->pParse;
#define sqlite3ParserCTX_STORE yypParser->pParse=pParse;
#undef YYERRORSYMBOL
#undef YYERRSYMDT
#undef YYFALLBACK
#define YYFALLBACK 1
#define YYNSTATE             583
#define YYNRULE              409
#define YYNRULE_WITH_ACTION  344
#define YYNTOKEN             187
#define YY_MAX_SHIFT         582
#define YY_MIN_SHIFTREDUCE   845

** of errors.  Return 0 on success.
*/
static int yyGrowStack(yyParser *p){
  int oldSize = 1 + (int)(p->yystackEnd - p->yystack);
  int newSize;
  int idx;
  yyStackEntry *pNew;
#ifdef YYSIZELIMIT
  int nLimit = YYSIZELIMIT(sqlite3ParserCTX(p));
#endif

  newSize = oldSize*2 + 100;
#ifdef YYSIZELIMIT
  if( newSize>nLimit ){
    newSize = nLimit;
    if( newSize<=oldSize ) return 1;
  }
#endif
  idx = (int)(p->yytos - p->yystack);
  if( p->yystack==p->yystk0 ){
    pNew = YYREALLOC(0, newSize*sizeof(pNew[0]), sqlite3ParserCTX(p));
    if( pNew==0 ) return 1;
    memcpy(pNew, p->yystack, oldSize*sizeof(pNew[0]));
  }else{
    pNew = YYREALLOC(p->yystack, newSize*sizeof(pNew[0]), sqlite3ParserCTX(p));
    if( pNew==0 ) return 1;
  }
  p->yystack = pNew;
  p->yytos = &p->yystack[idx];
#ifndef NDEBUG
  if( yyTraceFILE ){
    fprintf(yyTraceFILE,"%sStack grows from %d to %d entries.\n",

    if( yytos->major>=YY_MIN_DSTRCTR ){
      yy_destructor(pParser, yytos->major, &yytos->minor);
    }
    yytos--;
  }

#if YYGROWABLESTACK
  if( pParser->yystack!=pParser->yystk0 ){
    YYFREE(pParser->yystack, sqlite3ParserCTX(pParser));
  }
#endif
}

#ifndef sqlite3Parser_ENGINEALWAYSONSTACK
/*
** Deallocate and destroy a parser.  Destructors are called for
** all stack elements before shutting the parser down.

   }
#endif
   while( yypParser->yytos>yypParser->yystack ) yy_pop_parser_stack(yypParser);
   /* Here code is inserted which will execute if the parser
   ** stack every overflows */
/******** Begin %stack_overflow code ******************************************/

  if( pParse->nErr==0 ) sqlite3ErrorMsg(pParse, "Recursion limit");
/******** End %stack_overflow code ********************************************/
   sqlite3ParserARG_STORE /* Suppress warning about unused %extra_argument var */
   sqlite3ParserCTX_STORE
}

/*
** Print tracing information for a SHIFT action

        pDb->pSchema = 0;
      }
    }
  }
  /* Clear the TEMP schema separately and last */
  if( db->aDb[1].pSchema ){
    sqlite3SchemaClear(db->aDb[1].pSchema);
    assert( db->aDb[1].pSchema->trigHash.count==0 );
  }
  sqlite3VtabUnlockList(db);

  /* Free up the array of auxiliary databases */
  sqlite3CollapseDatabaseArray(db);
  assert( db->nDb<=2 );
  assert( db->aDb==db->aDbStatic );

  sqlite3_mutex_enter(db->mutex);
  pRet = db->pWalArg;
  db->xWalCallback = xCallback;
  db->pWalArg = pArg;
  sqlite3_mutex_leave(db->mutex);
  return pRet;
#else
  UNUSED_PARAMETER(db);
  UNUSED_PARAMETER(xCallback);
  UNUSED_PARAMETER(pArg);
  return 0;
#endif
}

/*
** Checkpoint database zDb.
*/
SQLITE_API int sqlite3_wal_checkpoint_v2(
  sqlite3 *db,                    /* Database handle */
  const char *zDb,                /* Name of attached database (or NULL) */
  int eMode,                      /* SQLITE_CHECKPOINT_* value */
  int *pnLog,                     /* OUT: Size of WAL log in frames */
  int *pnCkpt                     /* OUT: Total number of frames checkpointed */
){
#ifdef SQLITE_OMIT_WAL
  UNUSED_PARAMETER(db);
  UNUSED_PARAMETER(zDb);
  UNUSED_PARAMETER(eMode);
  UNUSED_PARAMETER(pnLog);
  UNUSED_PARAMETER(pnCkpt);
  return SQLITE_OK;
#else
  int rc;                         /* Return code */
  int iDb;                        /* Schema to checkpoint */

#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT;

**
** This routine is intended to be called by outside extensions (ex: the
** Session extension). Internal logic should invoke sqlite3Error() or
** sqlite3ErrorWithMsg() directly.
*/
SQLITE_API int sqlite3_set_errmsg(sqlite3 *db, int errcode, const char *zMsg){
  int rc = SQLITE_OK;
  if( !sqlite3SafetyCheckOk(db) ){
    return SQLITE_MISUSE_BKPT;
  }
  sqlite3_mutex_enter(db->mutex);
  if( zMsg ){
    sqlite3ErrorWithMsg(db, errcode, "%s", zMsg);
  }else{
    sqlite3Error(db, errcode);

  SQLITE_MAX_VDBE_OP,
  SQLITE_MAX_FUNCTION_ARG,
  SQLITE_MAX_ATTACHED,
  SQLITE_MAX_LIKE_PATTERN_LENGTH,
  SQLITE_MAX_VARIABLE_NUMBER,      /* IMP: R-38091-32352 */
  SQLITE_MAX_TRIGGER_DEPTH,
  SQLITE_MAX_WORKER_THREADS,
  SQLITE_MAX_PARSER_DEPTH,
};

/*
** Make sure the hard limits are set to reasonable values
*/
#if SQLITE_MAX_LENGTH<100
# error SQLITE_MAX_LENGTH must be at least 100

  ** macro called SQLITE_MAX_NAME. (The "_LIMIT_" in the name is changed to
  ** "_MAX_".)
  */
  assert( aHardLimit[SQLITE_LIMIT_LENGTH]==SQLITE_MAX_LENGTH );
  assert( aHardLimit[SQLITE_LIMIT_SQL_LENGTH]==SQLITE_MAX_SQL_LENGTH );
  assert( aHardLimit[SQLITE_LIMIT_COLUMN]==SQLITE_MAX_COLUMN );
  assert( aHardLimit[SQLITE_LIMIT_EXPR_DEPTH]==SQLITE_MAX_EXPR_DEPTH );
  assert( aHardLimit[SQLITE_LIMIT_PARSER_DEPTH]==SQLITE_MAX_PARSER_DEPTH );
  assert( aHardLimit[SQLITE_LIMIT_COMPOUND_SELECT]==SQLITE_MAX_COMPOUND_SELECT);
  assert( aHardLimit[SQLITE_LIMIT_VDBE_OP]==SQLITE_MAX_VDBE_OP );
  assert( aHardLimit[SQLITE_LIMIT_FUNCTION_ARG]==SQLITE_MAX_FUNCTION_ARG );
  assert( aHardLimit[SQLITE_LIMIT_ATTACHED]==SQLITE_MAX_ATTACHED );
  assert( aHardLimit[SQLITE_LIMIT_LIKE_PATTERN_LENGTH]==
                                               SQLITE_MAX_LIKE_PATTERN_LENGTH );
  assert( aHardLimit[SQLITE_LIMIT_VARIABLE_NUMBER]==SQLITE_MAX_VARIABLE_NUMBER);
  assert( aHardLimit[SQLITE_LIMIT_TRIGGER_DEPTH]==SQLITE_MAX_TRIGGER_DEPTH );
  assert( aHardLimit[SQLITE_LIMIT_WORKER_THREADS]==SQLITE_MAX_WORKER_THREADS );
  assert( SQLITE_LIMIT_PARSER_DEPTH==(SQLITE_N_LIMIT-1) );


  if( limitId<0 || limitId>=SQLITE_N_LIMIT ){
    return -1;
  }
  oldLimit = db->aLimit[limitId];
  if( newLimit>=0 ){                   /* IMP: R-52476-28732 */

    zFilename += sqlite3Strlen30(zFilename) + 1;
    zFilename += sqlite3Strlen30(zFilename) + 1;
  }
  return zFilename + 1;
}
SQLITE_API const char *sqlite3_filename_wal(const char *zFilename){
#ifdef SQLITE_OMIT_WAL
  UNUSED_PARAMETER(zFilename);
  return 0;
#else
  zFilename = sqlite3_filename_journal(zFilename);
  if( zFilename ) zFilename += sqlite3Strlen30(zFilename) + 1;
  return zFilename;
#endif
}

#define fts5YYSTACKDEPTH 100
#endif
#define sqlite3Fts5ParserARG_SDECL Fts5Parse *pParse;
#define sqlite3Fts5ParserARG_PDECL ,Fts5Parse *pParse
#define sqlite3Fts5ParserARG_PARAM ,pParse
#define sqlite3Fts5ParserARG_FETCH Fts5Parse *pParse=fts5yypParser->pParse;
#define sqlite3Fts5ParserARG_STORE fts5yypParser->pParse=pParse;
#undef fts5YYREALLOC
#define fts5YYREALLOC realloc
#undef fts5YYFREE
#define fts5YYFREE free
#undef fts5YYDYNSTACK
#define fts5YYDYNSTACK 0
#undef fts5YYSIZELIMIT
#define sqlite3Fts5ParserCTX(P) 0
#define sqlite3Fts5ParserCTX_SDECL
#define sqlite3Fts5ParserCTX_PDECL
#define sqlite3Fts5ParserCTX_PARAM
#define sqlite3Fts5ParserCTX_FETCH
#define sqlite3Fts5ParserCTX_STORE
#undef fts5YYERRORSYMBOL
#undef fts5YYERRSYMDT
#undef fts5YYFALLBACK
#define fts5YYNSTATE             35
#define fts5YYNRULE              28
#define fts5YYNRULE_WITH_ACTION  28
#define fts5YYNFTS5TOKEN             16
#define fts5YY_MAX_SHIFT         34
#define fts5YY_MIN_SHIFTREDUCE   52
#define fts5YY_MAX_SHIFTREDUCE   79

** of errors.  Return 0 on success.
*/
static int fts5yyGrowStack(fts5yyParser *p){
  int oldSize = 1 + (int)(p->fts5yystackEnd - p->fts5yystack);
  int newSize;
  int idx;
  fts5yyStackEntry *pNew;
#ifdef fts5YYSIZELIMIT
  int nLimit = fts5YYSIZELIMIT(sqlite3Fts5ParserCTX(p));
#endif

  newSize = oldSize*2 + 100;
#ifdef fts5YYSIZELIMIT
  if( newSize>nLimit ){
    newSize = nLimit;
    if( newSize<=oldSize ) return 1;
  }
#endif
  idx = (int)(p->fts5yytos - p->fts5yystack);
  if( p->fts5yystack==p->fts5yystk0 ){
    pNew = fts5YYREALLOC(0, newSize*sizeof(pNew[0]), sqlite3Fts5ParserCTX(p));
    if( pNew==0 ) return 1;
    memcpy(pNew, p->fts5yystack, oldSize*sizeof(pNew[0]));
  }else{
    pNew = fts5YYREALLOC(p->fts5yystack, newSize*sizeof(pNew[0]), sqlite3Fts5ParserCTX(p));
    if( pNew==0 ) return 1;
  }
  p->fts5yystack = pNew;
  p->fts5yytos = &p->fts5yystack[idx];
#ifndef NDEBUG
  if( fts5yyTraceFILE ){
    fprintf(fts5yyTraceFILE,"%sStack grows from %d to %d entries.\n",

    if( fts5yytos->major>=fts5YY_MIN_DSTRCTR ){
      fts5yy_destructor(pParser, fts5yytos->major, &fts5yytos->minor);
    }
    fts5yytos--;
  }

#if fts5YYGROWABLESTACK
  if( pParser->fts5yystack!=pParser->fts5yystk0 ){
    fts5YYFREE(pParser->fts5yystack, sqlite3Fts5ParserCTX(pParser));
  }
#endif
}

#ifndef sqlite3Fts5Parser_ENGINEALWAYSONSTACK
/*
** Deallocate and destroy a parser.  Destructors are called for
** all stack elements before shutting the parser down.

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: 2025-11-18 17:49:48 7e460ffa5aae884807db9e7c8214d6d822d5d38ea406fe3b3eac04ac16f158fa", -1, SQLITE_TRANSIENT);
}

/*
** Implementation of fts5_locale(LOCALE, TEXT) function.
**
** If parameter LOCALE is NULL, or a zero-length string, then a copy of
** TEXT is returned. Otherwise, both LOCALE and TEXT are interpreted as