MCL/sf/os/persistentdata: comparison persistentstorage/sqlite3api/TEST/SRC/tclsqlite.c

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--1:000000000000
+:08ec8eefde2f
+/*
+** 2001 September 15
+**
+** Portions Copyright (c) 2008 Nokia Corporation and/or its subsidiaries. All rights reserved.
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+*************************************************************************
+** A TCL Interface to SQLite.  Append this file to sqlite3.c and
+** compile the whole thing to build a TCL-enabled version of SQLite.
+**
+** $Id: tclsqlite.c,v 1.226 2008/09/23 10:12:15 drh Exp $
+*/
+#include "tcl.h"
+#include <errno.h>
+/*
+** Some additional include files are needed if this file is not
+** appended to the amalgamation.
+*/
+#ifndef SQLITE_AMALGAMATION
+# include "sqliteInt.h"
+# include <stdlib.h>
+# include <string.h>
+# include <assert.h>
+# include <ctype.h>
+#endif
+#ifdef __SYMBIAN32__
+int CopyTestFiles(void);
+int DeleteTestFiles(void);
+int PrintText(void*, Tcl_Interp*, int objc, Tcl_Obj* const* objv);
+void PrintS(const char* aText);
+#endif
+/*
+* Windows needs to know which symbols to export.  Unix does not.
+* BUILD_sqlite should be undefined for Unix.
+*/
+#ifdef BUILD_sqlite
+#undef TCL_STORAGE_CLASS
+#define TCL_STORAGE_CLASS DLLEXPORT
+#endif /* BUILD_sqlite */
+#define NUM_PREPARED_STMTS 10
+#define MAX_PREPARED_STMTS 100
+/*
+** If TCL uses UTF-8 and SQLite is configured to use iso8859, then we
+** have to do a translation when going between the two.  Set the
+** UTF_TRANSLATION_NEEDED macro to indicate that we need to do
+** this translation.
+*/
+#if defined(TCL_UTF_MAX) && !defined(SQLITE_UTF8)
+# define UTF_TRANSLATION_NEEDED 1
+#endif
+/*
+** New SQL functions can be created as TCL scripts.  Each such function
+** is described by an instance of the following structure.
+*/
+typedef struct SqlFunc SqlFunc;
+struct SqlFunc {
+Tcl_Interp *interp;   /* The TCL interpret to execute the function */
+Tcl_Obj *pScript;     /* The Tcl_Obj representation of the script */
+int useEvalObjv;      /* True if it is safe to use Tcl_EvalObjv */
+char *zName;          /* Name of this function */
+SqlFunc *pNext;       /* Next function on the list of them all */
+};
+/*
+** New collation sequences function can be created as TCL scripts.  Each such
+** function is described by an instance of the following structure.
+*/
+typedef struct SqlCollate SqlCollate;
+struct SqlCollate {
+Tcl_Interp *interp;   /* The TCL interpret to execute the function */
+char *zScript;        /* The script to be run */
+SqlCollate *pNext;    /* Next function on the list of them all */
+};
+/*
+** Prepared statements are cached for faster execution.  Each prepared
+** statement is described by an instance of the following structure.
+*/
+typedef struct SqlPreparedStmt SqlPreparedStmt;
+struct SqlPreparedStmt {
+SqlPreparedStmt *pNext;  /* Next in linked list */
+SqlPreparedStmt *pPrev;  /* Previous on the list */
+sqlite3_stmt *pStmt;     /* The prepared statement */
+int nSql;                /* chars in zSql[] */
+const char *zSql;        /* Text of the SQL statement */
+};
+typedef struct IncrblobChannel IncrblobChannel;
+/*
+** There is one instance of this structure for each SQLite database
+** that has been opened by the SQLite TCL interface.
+*/
+typedef struct SqliteDb SqliteDb;
+struct SqliteDb {
+sqlite3 *db;               /* The "real" database structure. MUST BE FIRST */
+Tcl_Interp *interp;        /* The interpreter used for this database */
+char *zBusy;               /* The busy callback routine */
+char *zCommit;             /* The commit hook callback routine */
+char *zTrace;              /* The trace callback routine */
+char *zProfile;            /* The profile callback routine */
+char *zProgress;           /* The progress callback routine */
+char *zAuth;               /* The authorization callback routine */
+int disableAuth;           /* Disable the authorizer if it exists */
+char *zNull;               /* Text to substitute for an SQL NULL value */
+SqlFunc *pFunc;            /* List of SQL functions */
+Tcl_Obj *pUpdateHook;      /* Update hook script (if any) */
+Tcl_Obj *pRollbackHook;    /* Rollback hook script (if any) */
+SqlCollate *pCollate;      /* List of SQL collation functions */
+int rc;                    /* Return code of most recent sqlite3_exec() */
+Tcl_Obj *pCollateNeeded;   /* Collation needed script */
+SqlPreparedStmt *stmtList; /* List of prepared statements*/
+SqlPreparedStmt *stmtLast; /* Last statement in the list */
+int maxStmt;               /* The next maximum number of stmtList */
+int nStmt;                 /* Number of statements in stmtList */
+IncrblobChannel *pIncrblob;/* Linked list of open incrblob channels */
+};
+struct IncrblobChannel {
+sqlite3_blob *pBlob;      /* sqlite3 blob handle */
+SqliteDb *pDb;            /* Associated database connection */
+int iSeek;                /* Current seek offset */
+Tcl_Channel channel;      /* Channel identifier */
+IncrblobChannel *pNext;   /* Linked list of all open incrblob channels */
+IncrblobChannel *pPrev;   /* Linked list of all open incrblob channels */
+};
+#ifndef SQLITE_OMIT_INCRBLOB
+/*
+** Close all incrblob channels opened using database connection pDb.
+** This is called when shutting down the database connection.
+*/
+static void closeIncrblobChannels(SqliteDb *pDb){
+IncrblobChannel *p;
+IncrblobChannel *pNext;
+for(p=pDb->pIncrblob; p; p=pNext){
+pNext = p->pNext;
+/* Note: Calling unregister here call Tcl_Close on the incrblob channel,
+** which deletes the IncrblobChannel structure at *p. So do not
+** call Tcl_Free() here.
+*/
+Tcl_UnregisterChannel(pDb->interp, p->channel);
+}
+}
+/*
+** Close an incremental blob channel.
+*/
+static int incrblobClose(ClientData instanceData, Tcl_Interp *interp){
+IncrblobChannel *p = (IncrblobChannel *)instanceData;
+int rc = sqlite3_blob_close(p->pBlob);
+sqlite3 *db = p->pDb->db;
+/* Remove the channel from the SqliteDb.pIncrblob list. */
+if( p->pNext ){
+p->pNext->pPrev = p->pPrev;
+}
+if( p->pPrev ){
+p->pPrev->pNext = p->pNext;
+}
+if( p->pDb->pIncrblob==p ){
+p->pDb->pIncrblob = p->pNext;
+}
+/* Free the IncrblobChannel structure */
+Tcl_Free((char *)p);
+if( rc!=SQLITE_OK ){
+Tcl_SetResult(interp, (char *)sqlite3_errmsg(db), TCL_VOLATILE);
+return TCL_ERROR;
+}
+return TCL_OK;
+}
+/*
+** Read data from an incremental blob channel.
+*/
+static int incrblobInput(
+ClientData instanceData,
+char *buf,
+int bufSize,
+int *errorCodePtr
+){
+IncrblobChannel *p = (IncrblobChannel *)instanceData;
+int nRead = bufSize;         /* Number of bytes to read */
+int nBlob;                   /* Total size of the blob */
+int rc;                      /* sqlite error code */
+nBlob = sqlite3_blob_bytes(p->pBlob);
+if( (p->iSeek+nRead)>nBlob ){
+nRead = nBlob-p->iSeek;
+}
+if( nRead<=0 ){
+return 0;
+}
+rc = sqlite3_blob_read(p->pBlob, (void *)buf, nRead, p->iSeek);
+if( rc!=SQLITE_OK ){
+*errorCodePtr = rc;
+return -1;
+}
+p->iSeek += nRead;
+return nRead;
+}
+/*
+** Write data to an incremental blob channel.
+*/
+static int incrblobOutput(
+ClientData instanceData,
+CONST char *buf,
+int toWrite,
+int *errorCodePtr
+){
+IncrblobChannel *p = (IncrblobChannel *)instanceData;
+int nWrite = toWrite;        /* Number of bytes to write */
+int nBlob;                   /* Total size of the blob */
+int rc;                      /* sqlite error code */
+nBlob = sqlite3_blob_bytes(p->pBlob);
+if( (p->iSeek+nWrite)>nBlob ){
+*errorCodePtr = EINVAL;
+return -1;
+}
+if( nWrite<=0 ){
+return 0;
+}
+rc = sqlite3_blob_write(p->pBlob, (void *)buf, nWrite, p->iSeek);
+if( rc!=SQLITE_OK ){
+*errorCodePtr = EIO;
+return -1;
+}
+p->iSeek += nWrite;
+return nWrite;
+}
+/*
+** Seek an incremental blob channel.
+*/
+static int incrblobSeek(
+ClientData instanceData,
+long offset,
+int seekMode,
+int *errorCodePtr
+){
+IncrblobChannel *p = (IncrblobChannel *)instanceData;
+switch( seekMode ){
+case SEEK_SET:
+p->iSeek = offset;
+break;
+case SEEK_CUR:
+p->iSeek += offset;
+break;
+case SEEK_END:
+p->iSeek = sqlite3_blob_bytes(p->pBlob) + offset;
+break;
+default: assert(!"Bad seekMode");
+}
+return p->iSeek;
+}
+static void incrblobWatch(ClientData instanceData, int mode){
+/* NO-OP */
+}
+static int incrblobHandle(ClientData instanceData, int dir, ClientData *hPtr){
+return TCL_ERROR;
+}
+static Tcl_ChannelType IncrblobChannelType = {
+"incrblob",                        /* typeName                             */
+TCL_CHANNEL_VERSION_2,             /* version                              */
+incrblobClose,                     /* closeProc                            */
+incrblobInput,                     /* inputProc                            */
+incrblobOutput,                    /* outputProc                           */
+incrblobSeek,                      /* seekProc                             */
+0,                                 /* setOptionProc                        */
+0,                                 /* getOptionProc                        */
+incrblobWatch,                     /* watchProc (this is a no-op)          */
+incrblobHandle,                    /* getHandleProc (always returns error) */
+0,                                 /* close2Proc                           */
+0,                                 /* blockModeProc                        */
+0,                                 /* flushProc                            */
+0,                                 /* handlerProc                          */
+0,                                 /* wideSeekProc                         */
+};
+/*
+** Create a new incrblob channel.
+*/
+static int createIncrblobChannel(
+Tcl_Interp *interp,
+SqliteDb *pDb,
+const char *zDb,
+const char *zTable,
+const char *zColumn,
+sqlite_int64 iRow,
+int isReadonly
+){
+IncrblobChannel *p;
+sqlite3 *db = pDb->db;
+sqlite3_blob *pBlob;
+int rc;
+int flags = TCL_READABLE|(isReadonly ? 0 : TCL_WRITABLE);
+/* This variable is used to name the channels: "incrblob_[incr count]" */
+static int count = 0;
+char zChannel[64];
+rc = sqlite3_blob_open(db, zDb, zTable, zColumn, iRow, !isReadonly, &pBlob);
+if( rc!=SQLITE_OK ){
+Tcl_SetResult(interp, (char *)sqlite3_errmsg(pDb->db), TCL_VOLATILE);
+return TCL_ERROR;
+}
+p = (IncrblobChannel *)Tcl_Alloc(sizeof(IncrblobChannel));
+p->iSeek = 0;
+p->pBlob = pBlob;
+sqlite3_snprintf(sizeof(zChannel), zChannel, "incrblob_%d", ++count);
+p->channel = Tcl_CreateChannel(&IncrblobChannelType, zChannel, p, flags);
+Tcl_RegisterChannel(interp, p->channel);
+/* Link the new channel into the SqliteDb.pIncrblob list. */
+p->pNext = pDb->pIncrblob;
+p->pPrev = 0;
+if( p->pNext ){
+p->pNext->pPrev = p;
+}
+pDb->pIncrblob = p;
+p->pDb = pDb;
+Tcl_SetResult(interp, (char *)Tcl_GetChannelName(p->channel), TCL_VOLATILE);
+return TCL_OK;
+}
+#else  /* else clause for "#ifndef SQLITE_OMIT_INCRBLOB" */
+#define closeIncrblobChannels(pDb)
+#endif
+/*
+** Look at the script prefix in pCmd.  We will be executing this script
+** after first appending one or more arguments.  This routine analyzes
+** the script to see if it is safe to use Tcl_EvalObjv() on the script
+** rather than the more general Tcl_EvalEx().  Tcl_EvalObjv() is much
+** faster.
+**
+** Scripts that are safe to use with Tcl_EvalObjv() consists of a
+** command name followed by zero or more arguments with no [...] or $
+** or {...} or ; to be seen anywhere.  Most callback scripts consist
+** of just a single procedure name and they meet this requirement.
+*/
+static int safeToUseEvalObjv(Tcl_Interp *interp, Tcl_Obj *pCmd){
+/* We could try to do something with Tcl_Parse().  But we will instead
+** just do a search for forbidden characters.  If any of the forbidden
+** characters appear in pCmd, we will report the string as unsafe.
+*/
+const char *z;
+int n;
+z = Tcl_GetStringFromObj(pCmd, &n);
+while( n-- > 0 ){
+int c = *(z++);
+if( c=='$' || c=='[' || c==';' ) return 0;
+}
+return 1;
+}
+/*
+** Find an SqlFunc structure with the given name.  Or create a new
+** one if an existing one cannot be found.  Return a pointer to the
+** structure.
+*/
+static SqlFunc *findSqlFunc(SqliteDb *pDb, const char *zName){
+SqlFunc *p, *pNew;
+int i;
+pNew = (SqlFunc*)Tcl_Alloc( sizeof(*pNew) + strlen(zName) + 1 );
+pNew->zName = (char*)&pNew[1];
+for(i=0; zName[i]; i++){ pNew->zName[i] = tolower(zName[i]); }
+pNew->zName[i] = 0;
+for(p=pDb->pFunc; p; p=p->pNext){
+if( strcmp(p->zName, pNew->zName)==0 ){
+Tcl_Free((char*)pNew);
+return p;
+}
+}
+pNew->interp = pDb->interp;
+pNew->pScript = 0;
+pNew->pNext = pDb->pFunc;
+pDb->pFunc = pNew;
+return pNew;
+}
+/*
+** Finalize and free a list of prepared statements
+*/
+static void flushStmtCache( SqliteDb *pDb ){
+SqlPreparedStmt *pPreStmt;
+while(  pDb->stmtList ){
+sqlite3_finalize( pDb->stmtList->pStmt );
+pPreStmt = pDb->stmtList;
+pDb->stmtList = pDb->stmtList->pNext;
+Tcl_Free( (char*)pPreStmt );
+}
+pDb->nStmt = 0;
+pDb->stmtLast = 0;
+}
+/*
+** TCL calls this procedure when an sqlite3 database command is
+** deleted.
+*/
+static void DbDeleteCmd(void *db){
+SqliteDb *pDb = (SqliteDb*)db;
+flushStmtCache(pDb);
+closeIncrblobChannels(pDb);
+sqlite3_close(pDb->db);
+while( pDb->pFunc ){
+SqlFunc *pFunc = pDb->pFunc;
+pDb->pFunc = pFunc->pNext;
+Tcl_DecrRefCount(pFunc->pScript);
+Tcl_Free((char*)pFunc);
+}
+while( pDb->pCollate ){
+SqlCollate *pCollate = pDb->pCollate;
+pDb->pCollate = pCollate->pNext;
+Tcl_Free((char*)pCollate);
+}
+if( pDb->zBusy ){
+Tcl_Free(pDb->zBusy);
+}
+if( pDb->zTrace ){
+Tcl_Free(pDb->zTrace);
+}
+if( pDb->zProfile ){
+Tcl_Free(pDb->zProfile);
+}
+if( pDb->zAuth ){
+Tcl_Free(pDb->zAuth);
+}
+if( pDb->zNull ){
+Tcl_Free(pDb->zNull);
+}
+if( pDb->pUpdateHook ){
+Tcl_DecrRefCount(pDb->pUpdateHook);
+}
+if( pDb->pRollbackHook ){
+Tcl_DecrRefCount(pDb->pRollbackHook);
+}
+if( pDb->pCollateNeeded ){
+Tcl_DecrRefCount(pDb->pCollateNeeded);
+}
+Tcl_Free((char*)pDb);
+}
+/*
+** This routine is called when a database file is locked while trying
+** to execute SQL.
+*/
+static int DbBusyHandler(void *cd, int nTries){
+SqliteDb *pDb = (SqliteDb*)cd;
+int rc;
+char zVal[30];
+sqlite3_snprintf(sizeof(zVal), zVal, "%d", nTries);
+rc = Tcl_VarEval(pDb->interp, pDb->zBusy, " ", zVal, (char*)0);
+if( rc!=TCL_OK || atoi(Tcl_GetStringResult(pDb->interp)) ){
+return 0;
+}
+return 1;
+}
+#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
+/*
+** This routine is invoked as the 'progress callback' for the database.
+*/
+static int DbProgressHandler(void *cd){
+SqliteDb *pDb = (SqliteDb*)cd;
+int rc;
+assert( pDb->zProgress );
+rc = Tcl_Eval(pDb->interp, pDb->zProgress);
+if( rc!=TCL_OK || atoi(Tcl_GetStringResult(pDb->interp)) ){
+return 1;
+}
+return 0;
+}
+#endif
+#ifndef SQLITE_OMIT_TRACE
+/*
+** This routine is called by the SQLite trace handler whenever a new
+** block of SQL is executed.  The TCL script in pDb->zTrace is executed.
+*/
+static void DbTraceHandler(void *cd, const char *zSql){
+SqliteDb *pDb = (SqliteDb*)cd;
+Tcl_DString str;
+Tcl_DStringInit(&str);
+Tcl_DStringAppend(&str, pDb->zTrace, -1);
+Tcl_DStringAppendElement(&str, zSql);
+Tcl_Eval(pDb->interp, Tcl_DStringValue(&str));
+Tcl_DStringFree(&str);
+Tcl_ResetResult(pDb->interp);
+}
+#endif
+#ifndef SQLITE_OMIT_TRACE
+/*
+** This routine is called by the SQLite profile handler after a statement
+** SQL has executed.  The TCL script in pDb->zProfile is evaluated.
+*/
+static void DbProfileHandler(void *cd, const char *zSql, sqlite_uint64 tm){
+SqliteDb *pDb = (SqliteDb*)cd;
+Tcl_DString str;
+char zTm[100];
+sqlite3_snprintf(sizeof(zTm)-1, zTm, "%lld", tm);
+Tcl_DStringInit(&str);
+Tcl_DStringAppend(&str, pDb->zProfile, -1);
+Tcl_DStringAppendElement(&str, zSql);
+Tcl_DStringAppendElement(&str, zTm);
+Tcl_Eval(pDb->interp, Tcl_DStringValue(&str));
+Tcl_DStringFree(&str);
+Tcl_ResetResult(pDb->interp);
+}
+#endif
+/*
+** This routine is called when a transaction is committed.  The
+** TCL script in pDb->zCommit is executed.  If it returns non-zero or
+** if it throws an exception, the transaction is rolled back instead
+** of being committed.
+*/
+static int DbCommitHandler(void *cd){
+SqliteDb *pDb = (SqliteDb*)cd;
+int rc;
+rc = Tcl_Eval(pDb->interp, pDb->zCommit);
+if( rc!=TCL_OK || atoi(Tcl_GetStringResult(pDb->interp)) ){
+return 1;
+}
+return 0;
+}
+static void DbRollbackHandler(void *clientData){
+SqliteDb *pDb = (SqliteDb*)clientData;
+assert(pDb->pRollbackHook);
+if( TCL_OK!=Tcl_EvalObjEx(pDb->interp, pDb->pRollbackHook, 0) ){
+Tcl_BackgroundError(pDb->interp);
+}
+}
+static void DbUpdateHandler(
+void *p,
+int op,
+const char *zDb,
+const char *zTbl,
+sqlite_int64 rowid
+){
+SqliteDb *pDb = (SqliteDb *)p;
+Tcl_Obj *pCmd;
+assert( pDb->pUpdateHook );
+assert( op==SQLITE_INSERT || op==SQLITE_UPDATE || op==SQLITE_DELETE );
+pCmd = Tcl_DuplicateObj(pDb->pUpdateHook);
+Tcl_IncrRefCount(pCmd);
+Tcl_ListObjAppendElement(0, pCmd, Tcl_NewStringObj(
+( (op==SQLITE_INSERT)?"INSERT":(op==SQLITE_UPDATE)?"UPDATE":"DELETE"), -1));
+Tcl_ListObjAppendElement(0, pCmd, Tcl_NewStringObj(zDb, -1));
+Tcl_ListObjAppendElement(0, pCmd, Tcl_NewStringObj(zTbl, -1));
+Tcl_ListObjAppendElement(0, pCmd, Tcl_NewWideIntObj(rowid));
+Tcl_EvalObjEx(pDb->interp, pCmd, TCL_EVAL_DIRECT);
+}
+static void tclCollateNeeded(
+void *pCtx,
+sqlite3 *db,
+int enc,
+const char *zName
+){
+SqliteDb *pDb = (SqliteDb *)pCtx;
+Tcl_Obj *pScript = Tcl_DuplicateObj(pDb->pCollateNeeded);
+Tcl_IncrRefCount(pScript);
+Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj(zName, -1));
+Tcl_EvalObjEx(pDb->interp, pScript, 0);
+Tcl_DecrRefCount(pScript);
+}
+/*
+** This routine is called to evaluate an SQL collation function implemented
+** using TCL script.
+*/
+static int tclSqlCollate(
+void *pCtx,
+int nA,
+const void *zA,
+int nB,
+const void *zB
+){
+SqlCollate *p = (SqlCollate *)pCtx;
+Tcl_Obj *pCmd;
+pCmd = Tcl_NewStringObj(p->zScript, -1);
+Tcl_IncrRefCount(pCmd);
+Tcl_ListObjAppendElement(p->interp, pCmd, Tcl_NewStringObj(zA, nA));
+Tcl_ListObjAppendElement(p->interp, pCmd, Tcl_NewStringObj(zB, nB));
+Tcl_EvalObjEx(p->interp, pCmd, TCL_EVAL_DIRECT);
+Tcl_DecrRefCount(pCmd);
+return (atoi(Tcl_GetStringResult(p->interp)));
+}
+/*
+** This routine is called to evaluate an SQL function implemented
+** using TCL script.
+*/
+static void tclSqlFunc(sqlite3_context *context, int argc, sqlite3_value**argv){
+SqlFunc *p = sqlite3_user_data(context);
+Tcl_Obj *pCmd;
+int i;
+int rc;
+if( argc==0 ){
+/* If there are no arguments to the function, call Tcl_EvalObjEx on the
+** script object directly.  This allows the TCL compiler to generate
+** bytecode for the command on the first invocation and thus make
+** subsequent invocations much faster. */
+pCmd = p->pScript;
+Tcl_IncrRefCount(pCmd);
+rc = Tcl_EvalObjEx(p->interp, pCmd, 0);
+Tcl_DecrRefCount(pCmd);
+}else{
+/* If there are arguments to the function, make a shallow copy of the
+** script object, lappend the arguments, then evaluate the copy.
+**
+** By "shallow" copy, we mean a only the outer list Tcl_Obj is duplicated.
+** The new Tcl_Obj contains pointers to the original list elements.
+** That way, when Tcl_EvalObjv() is run and shimmers the first element
+** of the list to tclCmdNameType, that alternate representation will
+** be preserved and reused on the next invocation.
+*/
+Tcl_Obj **aArg;
+int nArg;
+if( Tcl_ListObjGetElements(p->interp, p->pScript, &nArg, &aArg) ){
+sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1);
+return;
+}
+pCmd = Tcl_NewListObj(nArg, aArg);
+Tcl_IncrRefCount(pCmd);
+for(i=0; i<argc; i++){
+sqlite3_value *pIn = argv[i];
+Tcl_Obj *pVal;
+/* Set pVal to contain the i'th column of this row. */
+switch( sqlite3_value_type(pIn) ){
+case SQLITE_BLOB: {
+int bytes = sqlite3_value_bytes(pIn);
+pVal = Tcl_NewByteArrayObj(sqlite3_value_blob(pIn), bytes);
+break;
+}
+case SQLITE_INTEGER: {
+sqlite_int64 v = sqlite3_value_int64(pIn);
+if( v>=-2147483647 && v<=2147483647 ){
+pVal = Tcl_NewIntObj(v);
+}else{
+pVal = Tcl_NewWideIntObj(v);
+}
+break;
+}
+case SQLITE_FLOAT: {
+double r = sqlite3_value_double(pIn);
+pVal = Tcl_NewDoubleObj(r);
+break;
+}
+case SQLITE_NULL: {
+pVal = Tcl_NewStringObj("", 0);
+break;
+}
+default: {
+int bytes = sqlite3_value_bytes(pIn);
+pVal = Tcl_NewStringObj((char *)sqlite3_value_text(pIn), bytes);
+break;
+}
+}
+rc = Tcl_ListObjAppendElement(p->interp, pCmd, pVal);
+if( rc ){
+Tcl_DecrRefCount(pCmd);
+sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1);
+return;
+}
+}
+if( !p->useEvalObjv ){
+/* Tcl_EvalObjEx() will automatically call Tcl_EvalObjv() if pCmd
+** is a list without a string representation.  To prevent this from
+** happening, make sure pCmd has a valid string representation */
+Tcl_GetString(pCmd);
+}
+rc = Tcl_EvalObjEx(p->interp, pCmd, TCL_EVAL_DIRECT);
+Tcl_DecrRefCount(pCmd);
+}
+if( rc && rc!=TCL_RETURN ){
+sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1);
+}else{
+Tcl_Obj *pVar = Tcl_GetObjResult(p->interp);
+int n;
+u8 *data;
+char *zType = pVar->typePtr ? pVar->typePtr->name : "";
+char c = zType[0];
+if( c=='b' && strcmp(zType,"bytearray")==0 && pVar->bytes==0 ){
+/* Only return a BLOB type if the Tcl variable is a bytearray and
+** has no string representation. */
+data = Tcl_GetByteArrayFromObj(pVar, &n);
+sqlite3_result_blob(context, data, n, SQLITE_TRANSIENT);
+}else if( c=='b' && strcmp(zType,"boolean")==0 ){
+Tcl_GetIntFromObj(0, pVar, &n);
+sqlite3_result_int(context, n);
+}else if( c=='d' && strcmp(zType,"double")==0 ){
+double r;
+Tcl_GetDoubleFromObj(0, pVar, &r);
+sqlite3_result_double(context, r);
+}else if( (c=='w' && strcmp(zType,"wideInt")==0) ||
+(c=='i' && strcmp(zType,"int")==0) ){
+Tcl_WideInt v;
+Tcl_GetWideIntFromObj(0, pVar, &v);
+sqlite3_result_int64(context, v);
+}else{
+data = (unsigned char *)Tcl_GetStringFromObj(pVar, &n);
+sqlite3_result_text(context, (char *)data, n, SQLITE_TRANSIENT);
+}
+}
+}
+#ifndef SQLITE_OMIT_AUTHORIZATION
+/*
+** This is the authentication function.  It appends the authentication
+** type code and the two arguments to zCmd[] then invokes the result
+** on the interpreter.  The reply is examined to determine if the
+** authentication fails or succeeds.
+*/
+static int auth_callback(
+void *pArg,
+int code,
+const char *zArg1,
+const char *zArg2,
+const char *zArg3,
+const char *zArg4
+){
+char *zCode;
+Tcl_DString str;
+int rc;
+const char *zReply;
+SqliteDb *pDb = (SqliteDb*)pArg;
+if( pDb->disableAuth ) return SQLITE_OK;
+switch( code ){
+case SQLITE_COPY              : zCode="SQLITE_COPY"; break;
+case SQLITE_CREATE_INDEX      : zCode="SQLITE_CREATE_INDEX"; break;
+case SQLITE_CREATE_TABLE      : zCode="SQLITE_CREATE_TABLE"; break;
+case SQLITE_CREATE_TEMP_INDEX : zCode="SQLITE_CREATE_TEMP_INDEX"; break;
+case SQLITE_CREATE_TEMP_TABLE : zCode="SQLITE_CREATE_TEMP_TABLE"; break;
+case SQLITE_CREATE_TEMP_TRIGGER: zCode="SQLITE_CREATE_TEMP_TRIGGER"; break;
+case SQLITE_CREATE_TEMP_VIEW  : zCode="SQLITE_CREATE_TEMP_VIEW"; break;
+case SQLITE_CREATE_TRIGGER    : zCode="SQLITE_CREATE_TRIGGER"; break;
+case SQLITE_CREATE_VIEW       : zCode="SQLITE_CREATE_VIEW"; break;
+case SQLITE_DELETE            : zCode="SQLITE_DELETE"; break;
+case SQLITE_DROP_INDEX        : zCode="SQLITE_DROP_INDEX"; break;
+case SQLITE_DROP_TABLE        : zCode="SQLITE_DROP_TABLE"; break;
+case SQLITE_DROP_TEMP_INDEX   : zCode="SQLITE_DROP_TEMP_INDEX"; break;
+case SQLITE_DROP_TEMP_TABLE   : zCode="SQLITE_DROP_TEMP_TABLE"; break;
+case SQLITE_DROP_TEMP_TRIGGER : zCode="SQLITE_DROP_TEMP_TRIGGER"; break;
+case SQLITE_DROP_TEMP_VIEW    : zCode="SQLITE_DROP_TEMP_VIEW"; break;
+case SQLITE_DROP_TRIGGER      : zCode="SQLITE_DROP_TRIGGER"; break;
+case SQLITE_DROP_VIEW         : zCode="SQLITE_DROP_VIEW"; break;
+case SQLITE_INSERT            : zCode="SQLITE_INSERT"; break;
+case SQLITE_PRAGMA            : zCode="SQLITE_PRAGMA"; break;
+case SQLITE_READ              : zCode="SQLITE_READ"; break;
+case SQLITE_SELECT            : zCode="SQLITE_SELECT"; break;
+case SQLITE_TRANSACTION       : zCode="SQLITE_TRANSACTION"; break;
+case SQLITE_UPDATE            : zCode="SQLITE_UPDATE"; break;
+case SQLITE_ATTACH            : zCode="SQLITE_ATTACH"; break;
+case SQLITE_DETACH            : zCode="SQLITE_DETACH"; break;
+case SQLITE_ALTER_TABLE       : zCode="SQLITE_ALTER_TABLE"; break;
+case SQLITE_REINDEX           : zCode="SQLITE_REINDEX"; break;
+case SQLITE_ANALYZE           : zCode="SQLITE_ANALYZE"; break;
+case SQLITE_CREATE_VTABLE     : zCode="SQLITE_CREATE_VTABLE"; break;
+case SQLITE_DROP_VTABLE       : zCode="SQLITE_DROP_VTABLE"; break;
+case SQLITE_FUNCTION          : zCode="SQLITE_FUNCTION"; break;
+default                       : zCode="????"; break;
+}
+Tcl_DStringInit(&str);
+Tcl_DStringAppend(&str, pDb->zAuth, -1);
+Tcl_DStringAppendElement(&str, zCode);
+Tcl_DStringAppendElement(&str, zArg1 ? zArg1 : "");
+Tcl_DStringAppendElement(&str, zArg2 ? zArg2 : "");
+Tcl_DStringAppendElement(&str, zArg3 ? zArg3 : "");
+Tcl_DStringAppendElement(&str, zArg4 ? zArg4 : "");
+rc = Tcl_GlobalEval(pDb->interp, Tcl_DStringValue(&str));
+Tcl_DStringFree(&str);
+zReply = Tcl_GetStringResult(pDb->interp);
+if( strcmp(zReply,"SQLITE_OK")==0 ){
+rc = SQLITE_OK;
+}else if( strcmp(zReply,"SQLITE_DENY")==0 ){
+rc = SQLITE_DENY;
+}else if( strcmp(zReply,"SQLITE_IGNORE")==0 ){
+rc = SQLITE_IGNORE;
+}else{
+rc = 999;
+}
+return rc;
+}
+#endif /* SQLITE_OMIT_AUTHORIZATION */
+/*
+** zText is a pointer to text obtained via an sqlite3_result_text()
+** or similar interface. This routine returns a Tcl string object,
+** reference count set to 0, containing the text. If a translation
+** between iso8859 and UTF-8 is required, it is preformed.
+*/
+static Tcl_Obj *dbTextToObj(char const *zText){
+Tcl_Obj *pVal;
+#ifdef UTF_TRANSLATION_NEEDED
+Tcl_DString dCol;
+Tcl_DStringInit(&dCol);
+Tcl_ExternalToUtfDString(NULL, zText, -1, &dCol);
+pVal = Tcl_NewStringObj(Tcl_DStringValue(&dCol), -1);
+Tcl_DStringFree(&dCol);
+#else
+pVal = Tcl_NewStringObj(zText, -1);
+#endif
+return pVal;
+}
+/*
+** This routine reads a line of text from FILE in, stores
+** the text in memory obtained from malloc() and returns a pointer
+** to the text.  NULL is returned at end of file, or if malloc()
+** fails.
+**
+** The interface is like "readline" but no command-line editing
+** is done.
+**
+** copied from shell.c from '.import' command
+*/
+static char *local_getline(char *zPrompt, FILE *in){
+char *zLine;
+int nLine;
+int n;
+int eol;
+nLine = 100;
+zLine = malloc( nLine );
+if( zLine==0 ) return 0;
+n = 0;
+eol = 0;
+while( !eol ){
+if( n+100>nLine ){
+nLine = nLine*2 + 100;
+zLine = realloc(zLine, nLine);
+if( zLine==0 ) return 0;
+}
+if( fgets(&zLine[n], nLine - n, in)==0 ){
+if( n==0 ){
+free(zLine);
+return 0;
+}
+zLine[n] = 0;
+eol = 1;
+break;
+}
+while( zLine[n] ){ n++; }
+if( n>0 && zLine[n-1]=='\n' ){
+n--;
+zLine[n] = 0;
+eol = 1;
+}
+}
+zLine = realloc( zLine, n+1 );
+return zLine;
+}
+/*
+** Figure out the column names for the data returned by the statement
+** passed as the second argument.
+**
+** If parameter papColName is not NULL, then *papColName is set to point
+** at an array allocated using Tcl_Alloc(). It is the callers responsibility
+** to free this array using Tcl_Free(), and to decrement the reference
+** count of each Tcl_Obj* member of the array.
+**
+** The return value of this function is the number of columns of data
+** returned by pStmt (and hence the size of the *papColName array).
+**
+** If pArray is not NULL, then it contains the name of a Tcl array
+** variable. The "*" member of this array is set to a list containing
+** the names of the columns returned by the statement, in order from
+** left to right. e.g. if the names of the returned columns are a, b and
+** c, it does the equivalent of the tcl command:
+**
+**     set ${pArray}(*) {a b c}
+*/
+static int
+computeColumnNames(
+Tcl_Interp *interp,
+sqlite3_stmt *pStmt,              /* SQL statement */
+Tcl_Obj ***papColName,            /* OUT: Array of column names */
+Tcl_Obj *pArray                   /* Name of array variable (may be null) */
+){
+int nCol;
+/* Compute column names */
+nCol = sqlite3_column_count(pStmt);
+if( papColName ){
+int i;
+Tcl_Obj **apColName = (Tcl_Obj**)Tcl_Alloc( sizeof(Tcl_Obj*)*nCol );
+for(i=0; i<nCol; i++){
+apColName[i] = dbTextToObj(sqlite3_column_name(pStmt,i));
+Tcl_IncrRefCount(apColName[i]);
+}
+/* If results are being stored in an array variable, then create
+** the array(*) entry for that array
+*/
+if( pArray ){
+Tcl_Obj *pColList = Tcl_NewObj();
+Tcl_Obj *pStar = Tcl_NewStringObj("*", -1);
+Tcl_IncrRefCount(pColList);
+for(i=0; i<nCol; i++){
+Tcl_ListObjAppendElement(interp, pColList, apColName[i]);
+}
+Tcl_IncrRefCount(pStar);
+Tcl_ObjSetVar2(interp, pArray, pStar, pColList,0);
+Tcl_DecrRefCount(pColList);
+Tcl_DecrRefCount(pStar);
+}
+*papColName = apColName;
+}
+return nCol;
+}
+/*
+** The "sqlite" command below creates a new Tcl command for each
+** connection it opens to an SQLite database.  This routine is invoked
+** whenever one of those connection-specific commands is executed
+** in Tcl.  For example, if you run Tcl code like this:
+**
+**       sqlite3 db1  "my_database"
+**       db1 close
+**
+** The first command opens a connection to the "my_database" database
+** and calls that connection "db1".  The second command causes this
+** subroutine to be invoked.
+*/
+static int DbObjCmd(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
+SqliteDb *pDb = (SqliteDb*)cd;
+int choice;
+int rc = TCL_OK;
+static const char *DB_strs[] = {
+"authorizer",         "busy",              "cache",
+"changes",            "close",             "collate",
+"collation_needed",   "commit_hook",       "complete",
+"copy",               "enable_load_extension","errorcode",
+"eval",               "exists",            "function",
+"incrblob",           "interrupt",         "last_insert_rowid",
+"nullvalue",          "onecolumn",         "profile",
+"progress",           "rekey",             "rollback_hook",
+"timeout",            "total_changes",     "trace",
+"transaction",        "update_hook",       "version",
+0
+};
+enum DB_enum {
+DB_AUTHORIZER,        DB_BUSY,             DB_CACHE,
+DB_CHANGES,           DB_CLOSE,            DB_COLLATE,
+DB_COLLATION_NEEDED,  DB_COMMIT_HOOK,      DB_COMPLETE,
+DB_COPY,              DB_ENABLE_LOAD_EXTENSION,DB_ERRORCODE,
+DB_EVAL,              DB_EXISTS,           DB_FUNCTION,
+DB_INCRBLOB,          DB_INTERRUPT,        DB_LAST_INSERT_ROWID,
+DB_NULLVALUE,         DB_ONECOLUMN,        DB_PROFILE,
+DB_PROGRESS,          DB_REKEY,            DB_ROLLBACK_HOOK,
+DB_TIMEOUT,           DB_TOTAL_CHANGES,    DB_TRACE,
+DB_TRANSACTION,       DB_UPDATE_HOOK,      DB_VERSION
+};
+/* don't leave trailing commas on DB_enum, it confuses the AIX xlc compiler */
+if( objc<2 ){
+Tcl_WrongNumArgs(interp, 1, objv, "SUBCOMMAND ...");
+return TCL_ERROR;
+}
+if( Tcl_GetIndexFromObj(interp, objv[1], DB_strs, "option", 0, &choice) ){
+return TCL_ERROR;
+}
+switch( (enum DB_enum)choice ){
+/*    $db authorizer ?CALLBACK?
+**
+** Invoke the given callback to authorize each SQL operation as it is
+** compiled.  5 arguments are appended to the callback before it is
+** invoked:
+**
+**   (1) The authorization type (ex: SQLITE_CREATE_TABLE, SQLITE_INSERT, ...)
+**   (2) First descriptive name (depends on authorization type)
+**   (3) Second descriptive name
+**   (4) Name of the database (ex: "main", "temp")
+**   (5) Name of trigger that is doing the access
+**
+** The callback should return on of the following strings: SQLITE_OK,
+** SQLITE_IGNORE, or SQLITE_DENY.  Any other return value is an error.
+**
+** If this method is invoked with no arguments, the current authorization
+** callback string is returned.
+*/
+case DB_AUTHORIZER: {
+#ifdef SQLITE_OMIT_AUTHORIZATION
+Tcl_AppendResult(interp, "authorization not available in this build", 0);
+return TCL_ERROR;
+#else
+if( objc>3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "?CALLBACK?");
+return TCL_ERROR;
+}else if( objc==2 ){
+if( pDb->zAuth ){
+Tcl_AppendResult(interp, pDb->zAuth, 0);
+}
+}else{
+char *zAuth;
+int len;
+if( pDb->zAuth ){
+Tcl_Free(pDb->zAuth);
+}
+zAuth = Tcl_GetStringFromObj(objv[2], &len);
+if( zAuth && len>0 ){
+pDb->zAuth = Tcl_Alloc( len + 1 );
+memcpy(pDb->zAuth, zAuth, len+1);
+}else{
+pDb->zAuth = 0;
+}
+if( pDb->zAuth ){
+pDb->interp = interp;
+sqlite3_set_authorizer(pDb->db, auth_callback, pDb);
+}else{
+sqlite3_set_authorizer(pDb->db, 0, 0);
+}
+}
+#endif
+break;
+}
+/*    $db busy ?CALLBACK?
+**
+** Invoke the given callback if an SQL statement attempts to open
+** a locked database file.
+*/
+case DB_BUSY: {
+if( objc>3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "CALLBACK");
+return TCL_ERROR;
+}else if( objc==2 ){
+if( pDb->zBusy ){
+Tcl_AppendResult(interp, pDb->zBusy, 0);
+}
+}else{
+char *zBusy;
+int len;
+if( pDb->zBusy ){
+Tcl_Free(pDb->zBusy);
+}
+zBusy = Tcl_GetStringFromObj(objv[2], &len);
+if( zBusy && len>0 ){
+pDb->zBusy = Tcl_Alloc( len + 1 );
+memcpy(pDb->zBusy, zBusy, len+1);
+}else{
+pDb->zBusy = 0;
+}
+if( pDb->zBusy ){
+pDb->interp = interp;
+sqlite3_busy_handler(pDb->db, DbBusyHandler, pDb);
+}else{
+sqlite3_busy_handler(pDb->db, 0, 0);
+}
+}
+break;
+}
+/*     $db cache flush
+**     $db cache size n
+**
+** Flush the prepared statement cache, or set the maximum number of
+** cached statements.
+*/
+case DB_CACHE: {
+char *subCmd;
+int n;
+if( objc<=2 ){
+Tcl_WrongNumArgs(interp, 1, objv, "cache option ?arg?");
+return TCL_ERROR;
+}
+subCmd = Tcl_GetStringFromObj( objv[2], 0 );
+if( *subCmd=='f' && strcmp(subCmd,"flush")==0 ){
+if( objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "flush");
+return TCL_ERROR;
+}else{
+flushStmtCache( pDb );
+}
+}else if( *subCmd=='s' && strcmp(subCmd,"size")==0 ){
+if( objc!=4 ){
+Tcl_WrongNumArgs(interp, 2, objv, "size n");
+return TCL_ERROR;
+}else{
+if( TCL_ERROR==Tcl_GetIntFromObj(interp, objv[3], &n) ){
+Tcl_AppendResult( interp, "cannot convert \"",
+Tcl_GetStringFromObj(objv[3],0), "\" to integer", 0);
+return TCL_ERROR;
+}else{
+if( n<0 ){
+flushStmtCache( pDb );
+n = 0;
+}else if( n>MAX_PREPARED_STMTS ){
+n = MAX_PREPARED_STMTS;
+}
+pDb->maxStmt = n;
+}
+}
+}else{
+Tcl_AppendResult( interp, "bad option \"",
+Tcl_GetStringFromObj(objv[2],0), "\": must be flush or size", 0);
+return TCL_ERROR;
+}
+break;
+}
+/*     $db changes
+**
+** Return the number of rows that were modified, inserted, or deleted by
+** the most recent INSERT, UPDATE or DELETE statement, not including
+** any changes made by trigger programs.
+*/
+case DB_CHANGES: {
+Tcl_Obj *pResult;
+if( objc!=2 ){
+Tcl_WrongNumArgs(interp, 2, objv, "");
+return TCL_ERROR;
+}
+pResult = Tcl_GetObjResult(interp);
+Tcl_SetIntObj(pResult, sqlite3_changes(pDb->db));
+break;
+}
+/*    $db close
+**
+** Shutdown the database
+*/
+case DB_CLOSE: {
+Tcl_DeleteCommand(interp, Tcl_GetStringFromObj(objv[0], 0));
+break;
+}
+/*
+**     $db collate NAME SCRIPT
+**
+** Create a new SQL collation function called NAME.  Whenever
+** that function is called, invoke SCRIPT to evaluate the function.
+*/
+case DB_COLLATE: {
+SqlCollate *pCollate;
+char *zName;
+char *zScript;
+int nScript;
+if( objc!=4 ){
+Tcl_WrongNumArgs(interp, 2, objv, "NAME SCRIPT");
+return TCL_ERROR;
+}
+zName = Tcl_GetStringFromObj(objv[2], 0);
+zScript = Tcl_GetStringFromObj(objv[3], &nScript);
+pCollate = (SqlCollate*)Tcl_Alloc( sizeof(*pCollate) + nScript + 1 );
+if( pCollate==0 ) return TCL_ERROR;
+pCollate->interp = interp;
+pCollate->pNext = pDb->pCollate;
+pCollate->zScript = (char*)&pCollate[1];
+pDb->pCollate = pCollate;
+memcpy(pCollate->zScript, zScript, nScript+1);
+if( sqlite3_create_collation(pDb->db, zName, SQLITE_UTF8,
+pCollate, tclSqlCollate) ){
+Tcl_SetResult(interp, (char *)sqlite3_errmsg(pDb->db), TCL_VOLATILE);
+return TCL_ERROR;
+}
+break;
+}
+/*
+**     $db collation_needed SCRIPT
+**
+** Create a new SQL collation function called NAME.  Whenever
+** that function is called, invoke SCRIPT to evaluate the function.
+*/
+case DB_COLLATION_NEEDED: {
+if( objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "SCRIPT");
+return TCL_ERROR;
+}
+if( pDb->pCollateNeeded ){
+Tcl_DecrRefCount(pDb->pCollateNeeded);
+}
+pDb->pCollateNeeded = Tcl_DuplicateObj(objv[2]);
+Tcl_IncrRefCount(pDb->pCollateNeeded);
+sqlite3_collation_needed(pDb->db, pDb, tclCollateNeeded);
+break;
+}
+/*    $db commit_hook ?CALLBACK?
+**
+** Invoke the given callback just before committing every SQL transaction.
+** If the callback throws an exception or returns non-zero, then the
+** transaction is aborted.  If CALLBACK is an empty string, the callback
+** is disabled.
+*/
+case DB_COMMIT_HOOK: {
+if( objc>3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "?CALLBACK?");
+return TCL_ERROR;
+}else if( objc==2 ){
+if( pDb->zCommit ){
+Tcl_AppendResult(interp, pDb->zCommit, 0);
+}
+}else{
+char *zCommit;
+int len;
+if( pDb->zCommit ){
+Tcl_Free(pDb->zCommit);
+}
+zCommit = Tcl_GetStringFromObj(objv[2], &len);
+if( zCommit && len>0 ){
+pDb->zCommit = Tcl_Alloc( len + 1 );
+memcpy(pDb->zCommit, zCommit, len+1);
+}else{
+pDb->zCommit = 0;
+}
+if( pDb->zCommit ){
+pDb->interp = interp;
+sqlite3_commit_hook(pDb->db, DbCommitHandler, pDb);
+}else{
+sqlite3_commit_hook(pDb->db, 0, 0);
+}
+}
+break;
+}
+/*    $db complete SQL
+**
+** Return TRUE if SQL is a complete SQL statement.  Return FALSE if
+** additional lines of input are needed.  This is similar to the
+** built-in "info complete" command of Tcl.
+*/
+case DB_COMPLETE: {
+#ifndef SQLITE_OMIT_COMPLETE
+Tcl_Obj *pResult;
+int isComplete;
+if( objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "SQL");
+return TCL_ERROR;
+}
+isComplete = sqlite3_complete( Tcl_GetStringFromObj(objv[2], 0) );
+pResult = Tcl_GetObjResult(interp);
+Tcl_SetBooleanObj(pResult, isComplete);
+#endif
+break;
+}
+/*    $db copy conflict-algorithm table filename ?SEPARATOR? ?NULLINDICATOR?
+**
+** Copy data into table from filename, optionally using SEPARATOR
+** as column separators.  If a column contains a null string, or the
+** value of NULLINDICATOR, a NULL is inserted for the column.
+** conflict-algorithm is one of the sqlite conflict algorithms:
+**    rollback, abort, fail, ignore, replace
+** On success, return the number of lines processed, not necessarily same
+** as 'db changes' due to conflict-algorithm selected.
+**
+** This code is basically an implementation/enhancement of
+** the sqlite3 shell.c ".import" command.
+**
+** This command usage is equivalent to the sqlite2.x COPY statement,
+** which imports file data into a table using the PostgreSQL COPY file format:
+**   $db copy $conflit_algo $table_name $filename \t \\N
+*/
+case DB_COPY: {
+char *zTable;               /* Insert data into this table */
+char *zFile;                /* The file from which to extract data */
+char *zConflict;            /* The conflict algorithm to use */
+sqlite3_stmt *pStmt;        /* A statement */
+int nCol;                   /* Number of columns in the table */
+int nByte;                  /* Number of bytes in an SQL string */
+int i, j;                   /* Loop counters */
+int nSep;                   /* Number of bytes in zSep[] */
+int nNull;                  /* Number of bytes in zNull[] */
+char *zSql;                 /* An SQL statement */
+char *zLine;                /* A single line of input from the file */
+char **azCol;               /* zLine[] broken up into columns */
+char *zCommit;              /* How to commit changes */
+FILE *in;                   /* The input file */
+int lineno = 0;             /* Line number of input file */
+char zLineNum[80];          /* Line number print buffer */
+Tcl_Obj *pResult;           /* interp result */
+char *zSep;
+char *zNull;
+if( objc<5 || objc>7 ){
+Tcl_WrongNumArgs(interp, 2, objv,
+"CONFLICT-ALGORITHM TABLE FILENAME ?SEPARATOR? ?NULLINDICATOR?");
+return TCL_ERROR;
+}
+if( objc>=6 ){
+zSep = Tcl_GetStringFromObj(objv[5], 0);
+}else{
+zSep = "\t";
+}
+if( objc>=7 ){
+zNull = Tcl_GetStringFromObj(objv[6], 0);
+}else{
+zNull = "";
+}
+zConflict = Tcl_GetStringFromObj(objv[2], 0);
+zTable = Tcl_GetStringFromObj(objv[3], 0);
+zFile = Tcl_GetStringFromObj(objv[4], 0);
+nSep = strlen(zSep);
+nNull = strlen(zNull);
+if( nSep==0 ){
+Tcl_AppendResult(interp,"Error: non-null separator required for copy",0);
+return TCL_ERROR;
+}
+if(strcmp(zConflict, "rollback") != 0 &&
+strcmp(zConflict, "abort"   ) != 0 &&
+strcmp(zConflict, "fail"    ) != 0 &&
+strcmp(zConflict, "ignore"  ) != 0 &&
+strcmp(zConflict, "replace" ) != 0 ) {
+Tcl_AppendResult(interp, "Error: \"", zConflict,
+"\", conflict-algorithm must be one of: rollback, "
+"abort, fail, ignore, or replace", 0);
+return TCL_ERROR;
+}
+zSql = sqlite3_mprintf("SELECT * FROM '%q'", zTable);
+if( zSql==0 ){
+Tcl_AppendResult(interp, "Error: no such table: ", zTable, 0);
+return TCL_ERROR;
+}
+nByte = strlen(zSql);
+rc = sqlite3_prepare(pDb->db, zSql, -1, &pStmt, 0);
+sqlite3_free(zSql);
+if( rc ){
+Tcl_AppendResult(interp, "Error: ", sqlite3_errmsg(pDb->db), 0);
+nCol = 0;
+}else{
+nCol = sqlite3_column_count(pStmt);
+}
+sqlite3_finalize(pStmt);
+if( nCol==0 ) {
+return TCL_ERROR;
+}
+zSql = malloc( nByte + 50 + nCol*2 );
+if( zSql==0 ) {
+Tcl_AppendResult(interp, "Error: can't malloc()", 0);
+return TCL_ERROR;
+}
+sqlite3_snprintf(nByte+50, zSql, "INSERT OR %q INTO '%q' VALUES(?",
+zConflict, zTable);
+j = strlen(zSql);
+for(i=1; i<nCol; i++){
+zSql[j++] = ',';
+zSql[j++] = '?';
+}
+zSql[j++] = ')';
+zSql[j] = 0;
+rc = sqlite3_prepare(pDb->db, zSql, -1, &pStmt, 0);
+free(zSql);
+if( rc ){
+Tcl_AppendResult(interp, "Error: ", sqlite3_errmsg(pDb->db), 0);
+sqlite3_finalize(pStmt);
+return TCL_ERROR;
+}
+in = fopen(zFile, "rb");
+if( in==0 ){
+Tcl_AppendResult(interp, "Error: cannot open file: ", zFile, NULL);
+sqlite3_finalize(pStmt);
+return TCL_ERROR;
+}
+azCol = malloc( sizeof(azCol[0])*(nCol+1) );
+if( azCol==0 ) {
+Tcl_AppendResult(interp, "Error: can't malloc()", 0);
+fclose(in);
+return TCL_ERROR;
+}
+(void)sqlite3_exec(pDb->db, "BEGIN", 0, 0, 0);
+zCommit = "COMMIT";
+while( (zLine = local_getline(0, in))!=0 ){
+char *z;
+i = 0;
+lineno++;
+azCol[0] = zLine;
+for(i=0, z=zLine; *z; z++){
+if( *z==zSep[0] && strncmp(z, zSep, nSep)==0 ){
+*z = 0;
+i++;
+if( i<nCol ){
+azCol[i] = &z[nSep];
+z += nSep-1;
+}
+}
+}
+if( i+1!=nCol ){
+char *zErr;
+int nErr = strlen(zFile) + 200;
+zErr = malloc(nErr);
+if( zErr ){
+sqlite3_snprintf(nErr, zErr,
+"Error: %s line %d: expected %d columns of data but found %d",
+zFile, lineno, nCol, i+1);
+Tcl_AppendResult(interp, zErr, 0);
+free(zErr);
+}
+zCommit = "ROLLBACK";
+break;
+}
+for(i=0; i<nCol; i++){
+/* check for null data, if so, bind as null */
+if ((nNull>0 && strcmp(azCol[i], zNull)==0) || strlen(azCol[i])==0) {
+sqlite3_bind_null(pStmt, i+1);
+}else{
+sqlite3_bind_text(pStmt, i+1, azCol[i], -1, SQLITE_STATIC);
+}
+}
+sqlite3_step(pStmt);
+rc = sqlite3_reset(pStmt);
+free(zLine);
+if( rc!=SQLITE_OK ){
+Tcl_AppendResult(interp,"Error: ", sqlite3_errmsg(pDb->db), 0);
+zCommit = "ROLLBACK";
+break;
+}
+}
+free(azCol);
+fclose(in);
+sqlite3_finalize(pStmt);
+(void)sqlite3_exec(pDb->db, zCommit, 0, 0, 0);
+if( zCommit[0] == 'C' ){
+/* success, set result as number of lines processed */
+pResult = Tcl_GetObjResult(interp);
+Tcl_SetIntObj(pResult, lineno);
+rc = TCL_OK;
+}else{
+/* failure, append lineno where failed */
+sqlite3_snprintf(sizeof(zLineNum), zLineNum,"%d",lineno);
+Tcl_AppendResult(interp,", failed while processing line: ",zLineNum,0);
+rc = TCL_ERROR;
+}
+break;
+}
+/*
+**    $db enable_load_extension BOOLEAN
+**
+** Turn the extension loading feature on or off.  It if off by
+** default.
+*/
+case DB_ENABLE_LOAD_EXTENSION: {
+#ifndef SQLITE_OMIT_LOAD_EXTENSION
+int onoff;
+if( objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "BOOLEAN");
+return TCL_ERROR;
+}
+if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
+return TCL_ERROR;
+}
+sqlite3_enable_load_extension(pDb->db, onoff);
+break;
+#else
+Tcl_AppendResult(interp, "extension loading is turned off at compile-time",
+0);
+return TCL_ERROR;
+#endif
+}
+/*
+**    $db errorcode
+**
+** Return the numeric error code that was returned by the most recent
+** call to sqlite3_exec().
+*/
+case DB_ERRORCODE: {
+Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_errcode(pDb->db)));
+break;
+}
+/*
+**    $db eval $sql ?array? ?{  ...code... }?
+**    $db onecolumn $sql
+**
+** The SQL statement in $sql is evaluated.  For each row, the values are
+** placed in elements of the array named "array" and ...code... is executed.
+** If "array" and "code" are omitted, then no callback is every invoked.
+** If "array" is an empty string, then the values are placed in variables
+** that have the same name as the fields extracted by the query.
+**
+** The onecolumn method is the equivalent of:
+**     lindex [$db eval $sql] 0
+*/
+case DB_ONECOLUMN:
+case DB_EVAL:
+case DB_EXISTS: {
+char const *zSql;      /* Next SQL statement to execute */
+char const *zLeft;     /* What is left after first stmt in zSql */
+sqlite3_stmt *pStmt;   /* Compiled SQL statment */
+Tcl_Obj *pArray;       /* Name of array into which results are written */
+Tcl_Obj *pScript;      /* Script to run for each result set */
+Tcl_Obj **apParm;      /* Parameters that need a Tcl_DecrRefCount() */
+int nParm;             /* Number of entries used in apParm[] */
+Tcl_Obj *aParm[10];    /* Static space for apParm[] in the common case */
+Tcl_Obj *pRet;         /* Value to be returned */
+SqlPreparedStmt *pPreStmt;  /* Pointer to a prepared statement */
+int rc2;
+if( choice==DB_EVAL ){
+if( objc<3 || objc>5 ){
+Tcl_WrongNumArgs(interp, 2, objv, "SQL ?ARRAY-NAME? ?SCRIPT?");
+return TCL_ERROR;
+}
+pRet = Tcl_NewObj();
+Tcl_IncrRefCount(pRet);
+}else{
+if( objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "SQL");
+return TCL_ERROR;
+}
+if( choice==DB_EXISTS ){
+pRet = Tcl_NewBooleanObj(0);
+Tcl_IncrRefCount(pRet);
+}else{
+pRet = 0;
+}
+}
+if( objc==3 ){
+pArray = pScript = 0;
+}else if( objc==4 ){
+pArray = 0;
+pScript = objv[3];
+}else{
+pArray = objv[3];
+if( Tcl_GetString(pArray)[0]==0 ) pArray = 0;
+pScript = objv[4];
+}
+Tcl_IncrRefCount(objv[2]);
+zSql = Tcl_GetStringFromObj(objv[2], 0);
+while( rc==TCL_OK && zSql[0] ){
+int i;                     /* Loop counter */
+int nVar;                  /* Number of bind parameters in the pStmt */
+int nCol = -1;             /* Number of columns in the result set */
+Tcl_Obj **apColName = 0;   /* Array of column names */
+int len;                   /* String length of zSql */
+/* Try to find a SQL statement that has already been compiled and
+** which matches the next sequence of SQL.
+*/
+pStmt = 0;
+len = strlen(zSql);
+for(pPreStmt = pDb->stmtList; pPreStmt; pPreStmt=pPreStmt->pNext){
+int n = pPreStmt->nSql;
+if( len>=n
+&& memcmp(pPreStmt->zSql, zSql, n)==0
+&& (zSql[n]==0 || zSql[n-1]==';')
+){
+pStmt = pPreStmt->pStmt;
+zLeft = &zSql[pPreStmt->nSql];
+/* When a prepared statement is found, unlink it from the
+** cache list.  It will later be added back to the beginning
+** of the cache list in order to implement LRU replacement.
+*/
+if( pPreStmt->pPrev ){
+pPreStmt->pPrev->pNext = pPreStmt->pNext;
+}else{
+pDb->stmtList = pPreStmt->pNext;
+}
+if( pPreStmt->pNext ){
+pPreStmt->pNext->pPrev = pPreStmt->pPrev;
+}else{
+pDb->stmtLast = pPreStmt->pPrev;
+}
+pDb->nStmt--;
+break;
+}
+}
+/* If no prepared statement was found.  Compile the SQL text
+*/
+if( pStmt==0 ){
+if( SQLITE_OK!=sqlite3_prepare_v2(pDb->db, zSql, -1, &pStmt, &zLeft) ){
+Tcl_SetObjResult(interp, dbTextToObj(sqlite3_errmsg(pDb->db)));
+rc = TCL_ERROR;
+break;
+}
+if( pStmt==0 ){
+if( SQLITE_OK!=sqlite3_errcode(pDb->db) ){
+/* A compile-time error in the statement
+*/
+Tcl_SetObjResult(interp, dbTextToObj(sqlite3_errmsg(pDb->db)));
+rc = TCL_ERROR;
+break;
+}else{
+/* The statement was a no-op.  Continue to the next statement
+** in the SQL string.
+*/
+zSql = zLeft;
+continue;
+}
+}
+assert( pPreStmt==0 );
+}
+/* Bind values to parameters that begin with $ or :
+*/
+nVar = sqlite3_bind_parameter_count(pStmt);
+nParm = 0;
+if( nVar>sizeof(aParm)/sizeof(aParm[0]) ){
+apParm = (Tcl_Obj**)Tcl_Alloc(nVar*sizeof(apParm[0]));
+}else{
+apParm = aParm;
+}
+for(i=1; i<=nVar; i++){
+const char *zVar = sqlite3_bind_parameter_name(pStmt, i);
+if( zVar!=0 && (zVar[0]=='$' || zVar[0]==':' || zVar[0]=='@') ){
+Tcl_Obj *pVar = Tcl_GetVar2Ex(interp, &zVar[1], 0, 0);
+if( pVar ){
+int n;
+u8 *data;
+char *zType = pVar->typePtr ? pVar->typePtr->name : "";
+char c = zType[0];
+if( zVar[0]=='@' ||
+(c=='b' && strcmp(zType,"bytearray")==0 && pVar->bytes==0) ){
+/* Load a BLOB type if the Tcl variable is a bytearray and
+** it has no string representation or the host
+** parameter name begins with "@". */
+data = Tcl_GetByteArrayFromObj(pVar, &n);
+sqlite3_bind_blob(pStmt, i, data, n, SQLITE_STATIC);
+Tcl_IncrRefCount(pVar);
+apParm[nParm++] = pVar;
+}else if( c=='b' && strcmp(zType,"boolean")==0 ){
+Tcl_GetIntFromObj(interp, pVar, &n);
+sqlite3_bind_int(pStmt, i, n);
+}else if( c=='d' && strcmp(zType,"double")==0 ){
+double r;
+Tcl_GetDoubleFromObj(interp, pVar, &r);
+sqlite3_bind_double(pStmt, i, r);
+}else if( (c=='w' && strcmp(zType,"wideInt")==0) ||
+(c=='i' && strcmp(zType,"int")==0) ){
+Tcl_WideInt v;
+Tcl_GetWideIntFromObj(interp, pVar, &v);
+sqlite3_bind_int64(pStmt, i, v);
+}else{
+data = (unsigned char *)Tcl_GetStringFromObj(pVar, &n);
+sqlite3_bind_text(pStmt, i, (char *)data, n, SQLITE_STATIC);
+Tcl_IncrRefCount(pVar);
+apParm[nParm++] = pVar;
+}
+}else{
+sqlite3_bind_null( pStmt, i );
+}
+}
+}
+/* Execute the SQL
+*/
+while( rc==TCL_OK && pStmt && SQLITE_ROW==sqlite3_step(pStmt) ){
+	/* Compute column names. This must be done after the first successful
+	** call to sqlite3_step(), in case the query is recompiled and the
+** number or names of the returned columns changes.
+*/
+assert(!pArray||pScript);
+if (nCol < 0) {
+Tcl_Obj ***ap = (pScript?&apColName:0);
+nCol = computeColumnNames(interp, pStmt, ap, pArray);
+}
+for(i=0; i<nCol; i++){
+Tcl_Obj *pVal;
+/* Set pVal to contain the i'th column of this row. */
+switch( sqlite3_column_type(pStmt, i) ){
+case SQLITE_BLOB: {
+int bytes = sqlite3_column_bytes(pStmt, i);
+const char *zBlob = sqlite3_column_blob(pStmt, i);
+if( !zBlob ) bytes = 0;
+pVal = Tcl_NewByteArrayObj((u8*)zBlob, bytes);
+break;
+}
+case SQLITE_INTEGER: {
+sqlite_int64 v = sqlite3_column_int64(pStmt, i);
+if( v>=-2147483647 && v<=2147483647 ){
+pVal = Tcl_NewIntObj(v);
+}else{
+pVal = Tcl_NewWideIntObj(v);
+}
+break;
+}
+case SQLITE_FLOAT: {
+double r = sqlite3_column_double(pStmt, i);
+pVal = Tcl_NewDoubleObj(r);
+break;
+}
+case SQLITE_NULL: {
+pVal = dbTextToObj(pDb->zNull);
+break;
+}
+default: {
+pVal = dbTextToObj((char *)sqlite3_column_text(pStmt, i));
+break;
+}
+}
+if( pScript ){
+if( pArray==0 ){
+Tcl_ObjSetVar2(interp, apColName[i], 0, pVal, 0);
+}else{
+Tcl_ObjSetVar2(interp, pArray, apColName[i], pVal, 0);
+}
+}else if( choice==DB_ONECOLUMN ){
+assert( pRet==0 );
+if( pRet==0 ){
+pRet = pVal;
+Tcl_IncrRefCount(pRet);
+}
+rc = TCL_BREAK;
+i = nCol;
+}else if( choice==DB_EXISTS ){
+Tcl_DecrRefCount(pRet);
+pRet = Tcl_NewBooleanObj(1);
+Tcl_IncrRefCount(pRet);
+rc = TCL_BREAK;
+i = nCol;
+}else{
+Tcl_ListObjAppendElement(interp, pRet, pVal);
+}
+}
+if( pScript ){
+rc = Tcl_EvalObjEx(interp, pScript, 0);
+if( rc==TCL_CONTINUE ){
+rc = TCL_OK;
+}
+}
+}
+if( rc==TCL_BREAK ){
+rc = TCL_OK;
+}
+/* Free the column name objects */
+if( pScript ){
+/* If the query returned no rows, but an array variable was
+** specified, call computeColumnNames() now to populate the
+** arrayname(*) variable.
+*/
+if (pArray && nCol < 0) {
+Tcl_Obj ***ap = (pScript?&apColName:0);
+nCol = computeColumnNames(interp, pStmt, ap, pArray);
+}
+for(i=0; i<nCol; i++){
+Tcl_DecrRefCount(apColName[i]);
+}
+Tcl_Free((char*)apColName);
+}
+/* Free the bound string and blob parameters */
+for(i=0; i<nParm; i++){
+Tcl_DecrRefCount(apParm[i]);
+}
+if( apParm!=aParm ){
+Tcl_Free((char*)apParm);
+}
+/* Reset the statement.  If the result code is SQLITE_SCHEMA, then
+** flush the statement cache and try the statement again.
+*/
+rc2 = sqlite3_reset(pStmt);
+if( SQLITE_OK!=rc2 ){
+/* If a run-time error occurs, report the error and stop reading
+** the SQL
+*/
+Tcl_SetObjResult(interp, dbTextToObj(sqlite3_errmsg(pDb->db)));
+sqlite3_finalize(pStmt);
+rc = TCL_ERROR;
+if( pPreStmt ) Tcl_Free((char*)pPreStmt);
+break;
+}else if( pDb->maxStmt<=0 ){
+/* If the cache is turned off, deallocated the statement */
+if( pPreStmt ) Tcl_Free((char*)pPreStmt);
+sqlite3_finalize(pStmt);
+}else{
+/* Everything worked and the cache is operational.
+** Create a new SqlPreparedStmt structure if we need one.
+** (If we already have one we can just reuse it.)
+*/
+if( pPreStmt==0 ){
+len = zLeft - zSql;
+pPreStmt = (SqlPreparedStmt*)Tcl_Alloc( sizeof(*pPreStmt) );
+if( pPreStmt==0 ) return TCL_ERROR;
+pPreStmt->pStmt = pStmt;
+pPreStmt->nSql = len;
+pPreStmt->zSql = sqlite3_sql(pStmt);
+assert( strlen(pPreStmt->zSql)==len );
+assert( 0==memcmp(pPreStmt->zSql, zSql, len) );
+}
+/* Add the prepared statement to the beginning of the cache list
+*/
+pPreStmt->pNext = pDb->stmtList;
+pPreStmt->pPrev = 0;
+if( pDb->stmtList ){
+pDb->stmtList->pPrev = pPreStmt;
+}
+pDb->stmtList = pPreStmt;
+if( pDb->stmtLast==0 ){
+assert( pDb->nStmt==0 );
+pDb->stmtLast = pPreStmt;
+}else{
+assert( pDb->nStmt>0 );
+}
+pDb->nStmt++;
+/* If we have too many statement in cache, remove the surplus from the
+** end of the cache list.
+*/
+while( pDb->nStmt>pDb->maxStmt ){
+sqlite3_finalize(pDb->stmtLast->pStmt);
+pDb->stmtLast = pDb->stmtLast->pPrev;
+Tcl_Free((char*)pDb->stmtLast->pNext);
+pDb->stmtLast->pNext = 0;
+pDb->nStmt--;
+}
+}
+/* Proceed to the next statement */
+zSql = zLeft;
+}
+Tcl_DecrRefCount(objv[2]);
+if( pRet ){
+if( rc==TCL_OK ){
+Tcl_SetObjResult(interp, pRet);
+}
+Tcl_DecrRefCount(pRet);
+}else if( rc==TCL_OK ){
+Tcl_ResetResult(interp);
+}
+break;
+}
+/*
+**     $db function NAME [-argcount N] SCRIPT
+**
+** Create a new SQL function called NAME.  Whenever that function is
+** called, invoke SCRIPT to evaluate the function.
+*/
+case DB_FUNCTION: {
+SqlFunc *pFunc;
+Tcl_Obj *pScript;
+char *zName;
+int nArg = -1;
+if( objc==6 ){
+const char *z = Tcl_GetString(objv[3]);
+int n = strlen(z);
+if( n>2 && strncmp(z, "-argcount",n)==0 ){
+if( Tcl_GetIntFromObj(interp, objv[4], &nArg) ) return TCL_ERROR;
+if( nArg<0 ){
+Tcl_AppendResult(interp, "number of arguments must be non-negative",
+(char*)0);
+return TCL_ERROR;
+}
+}
+pScript = objv[5];
+}else if( objc!=4 ){
+Tcl_WrongNumArgs(interp, 2, objv, "NAME [-argcount N] SCRIPT");
+return TCL_ERROR;
+}else{
+pScript = objv[3];
+}
+zName = Tcl_GetStringFromObj(objv[2], 0);
+pFunc = findSqlFunc(pDb, zName);
+if( pFunc==0 ) return TCL_ERROR;
+if( pFunc->pScript ){
+Tcl_DecrRefCount(pFunc->pScript);
+}
+pFunc->pScript = pScript;
+Tcl_IncrRefCount(pScript);
+pFunc->useEvalObjv = safeToUseEvalObjv(interp, pScript);
+rc = sqlite3_create_function(pDb->db, zName, nArg, SQLITE_UTF8,
+pFunc, tclSqlFunc, 0, 0);
+if( rc!=SQLITE_OK ){
+rc = TCL_ERROR;
+Tcl_SetResult(interp, (char *)sqlite3_errmsg(pDb->db), TCL_VOLATILE);
+}
+break;
+}
+/*
+**     $db incrblob ?-readonly? ?DB? TABLE COLUMN ROWID
+*/
+case DB_INCRBLOB: {
+#ifdef SQLITE_OMIT_INCRBLOB
+Tcl_AppendResult(interp, "incrblob not available in this build", 0);
+return TCL_ERROR;
+#else
+int isReadonly = 0;
+const char *zDb = "main";
+const char *zTable;
+const char *zColumn;
+sqlite_int64 iRow;
+/* Check for the -readonly option */
+if( objc>3 && strcmp(Tcl_GetString(objv[2]), "-readonly")==0 ){
+isReadonly = 1;
+}
+if( objc!=(5+isReadonly) && objc!=(6+isReadonly) ){
+Tcl_WrongNumArgs(interp, 2, objv, "?-readonly? ?DB? TABLE COLUMN ROWID");
+return TCL_ERROR;
+}
+if( objc==(6+isReadonly) ){
+zDb = Tcl_GetString(objv[2]);
+}
+zTable = Tcl_GetString(objv[objc-3]);
+zColumn = Tcl_GetString(objv[objc-2]);
+rc = Tcl_GetWideIntFromObj(interp, objv[objc-1], &iRow);
+if( rc==TCL_OK ){
+rc = createIncrblobChannel(
+interp, pDb, zDb, zTable, zColumn, iRow, isReadonly
+);
+}
+#endif
+break;
+}
+/*
+**     $db interrupt
+**
+** Interrupt the execution of the inner-most SQL interpreter.  This
+** causes the SQL statement to return an error of SQLITE_INTERRUPT.
+*/
+case DB_INTERRUPT: {
+sqlite3_interrupt(pDb->db);
+break;
+}
+/*
+**     $db nullvalue ?STRING?
+**
+** Change text used when a NULL comes back from the database. If ?STRING?
+** is not present, then the current string used for NULL is returned.
+** If STRING is present, then STRING is returned.
+**
+*/
+case DB_NULLVALUE: {
+if( objc!=2 && objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "NULLVALUE");
+return TCL_ERROR;
+}
+if( objc==3 ){
+int len;
+char *zNull = Tcl_GetStringFromObj(objv[2], &len);
+if( pDb->zNull ){
+Tcl_Free(pDb->zNull);
+}
+if( zNull && len>0 ){
+pDb->zNull = Tcl_Alloc( len + 1 );
+strncpy(pDb->zNull, zNull, len);
+pDb->zNull[len] = '\0';
+}else{
+pDb->zNull = 0;
+}
+}
+Tcl_SetObjResult(interp, dbTextToObj(pDb->zNull));
+break;
+}
+/*
+**     $db last_insert_rowid
+**
+** Return an integer which is the ROWID for the most recent insert.
+*/
+case DB_LAST_INSERT_ROWID: {
+Tcl_Obj *pResult;
+Tcl_WideInt rowid;
+if( objc!=2 ){
+Tcl_WrongNumArgs(interp, 2, objv, "");
+return TCL_ERROR;
+}
+rowid = sqlite3_last_insert_rowid(pDb->db);
+pResult = Tcl_GetObjResult(interp);
+Tcl_SetWideIntObj(pResult, rowid);
+break;
+}
+/*
+** The DB_ONECOLUMN method is implemented together with DB_EVAL.
+*/
+/*    $db progress ?N CALLBACK?
+**
+** Invoke the given callback every N virtual machine opcodes while executing
+** queries.
+*/
+case DB_PROGRESS: {
+if( objc==2 ){
+if( pDb->zProgress ){
+Tcl_AppendResult(interp, pDb->zProgress, 0);
+}
+}else if( objc==4 ){
+char *zProgress;
+int len;
+int N;
+if( TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &N) ){
+return TCL_ERROR;
+};
+if( pDb->zProgress ){
+Tcl_Free(pDb->zProgress);
+}
+zProgress = Tcl_GetStringFromObj(objv[3], &len);
+if( zProgress && len>0 ){
+pDb->zProgress = Tcl_Alloc( len + 1 );
+memcpy(pDb->zProgress, zProgress, len+1);
+}else{
+pDb->zProgress = 0;
+}
+#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
+if( pDb->zProgress ){
+pDb->interp = interp;
+sqlite3_progress_handler(pDb->db, N, DbProgressHandler, pDb);
+}else{
+sqlite3_progress_handler(pDb->db, 0, 0, 0);
+}
+#endif
+}else{
+Tcl_WrongNumArgs(interp, 2, objv, "N CALLBACK");
+return TCL_ERROR;
+}
+break;
+}
+/*    $db profile ?CALLBACK?
+**
+** Make arrangements to invoke the CALLBACK routine after each SQL statement
+** that has run.  The text of the SQL and the amount of elapse time are
+** appended to CALLBACK before the script is run.
+*/
+case DB_PROFILE: {
+if( objc>3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "?CALLBACK?");
+return TCL_ERROR;
+}else if( objc==2 ){
+if( pDb->zProfile ){
+Tcl_AppendResult(interp, pDb->zProfile, 0);
+}
+}else{
+char *zProfile;
+int len;
+if( pDb->zProfile ){
+Tcl_Free(pDb->zProfile);
+}
+zProfile = Tcl_GetStringFromObj(objv[2], &len);
+if( zProfile && len>0 ){
+pDb->zProfile = Tcl_Alloc( len + 1 );
+memcpy(pDb->zProfile, zProfile, len+1);
+}else{
+pDb->zProfile = 0;
+}
+#ifndef SQLITE_OMIT_TRACE
+if( pDb->zProfile ){
+pDb->interp = interp;
+sqlite3_profile(pDb->db, DbProfileHandler, pDb);
+}else{
+sqlite3_profile(pDb->db, 0, 0);
+}
+#endif
+}
+break;
+}
+/*
+**     $db rekey KEY
+**
+** Change the encryption key on the currently open database.
+*/
+case DB_REKEY: {
+int nKey;
+void *pKey;
+if( objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "KEY");
+return TCL_ERROR;
+}
+pKey = Tcl_GetByteArrayFromObj(objv[2], &nKey);
+#ifdef SQLITE_HAS_CODEC
+rc = sqlite3_rekey(pDb->db, pKey, nKey);
+if( rc ){
+Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
+rc = TCL_ERROR;
+}
+#endif
+break;
+}
+/*
+**     $db timeout MILLESECONDS
+**
+** Delay for the number of milliseconds specified when a file is locked.
+*/
+case DB_TIMEOUT: {
+int ms;
+if( objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "MILLISECONDS");
+return TCL_ERROR;
+}
+if( Tcl_GetIntFromObj(interp, objv[2], &ms) ) return TCL_ERROR;
+sqlite3_busy_timeout(pDb->db, ms);
+break;
+}
+/*
+**     $db total_changes
+**
+** Return the number of rows that were modified, inserted, or deleted
+** since the database handle was created.
+*/
+case DB_TOTAL_CHANGES: {
+Tcl_Obj *pResult;
+if( objc!=2 ){
+Tcl_WrongNumArgs(interp, 2, objv, "");
+return TCL_ERROR;
+}
+pResult = Tcl_GetObjResult(interp);
+Tcl_SetIntObj(pResult, sqlite3_total_changes(pDb->db));
+break;
+}
+/*    $db trace ?CALLBACK?
+**
+** Make arrangements to invoke the CALLBACK routine for each SQL statement
+** that is executed.  The text of the SQL is appended to CALLBACK before
+** it is executed.
+*/
+case DB_TRACE: {
+if( objc>3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "?CALLBACK?");
+return TCL_ERROR;
+}else if( objc==2 ){
+if( pDb->zTrace ){
+Tcl_AppendResult(interp, pDb->zTrace, 0);
+}
+}else{
+char *zTrace;
+int len;
+if( pDb->zTrace ){
+Tcl_Free(pDb->zTrace);
+}
+zTrace = Tcl_GetStringFromObj(objv[2], &len);
+if( zTrace && len>0 ){
+pDb->zTrace = Tcl_Alloc( len + 1 );
+memcpy(pDb->zTrace, zTrace, len+1);
+}else{
+pDb->zTrace = 0;
+}
+#ifndef SQLITE_OMIT_TRACE
+if( pDb->zTrace ){
+pDb->interp = interp;
+sqlite3_trace(pDb->db, DbTraceHandler, pDb);
+}else{
+sqlite3_trace(pDb->db, 0, 0);
+}
+#endif
+}
+break;
+}
+/*    $db transaction [-deferred|-immediate|-exclusive] SCRIPT
+**
+** Start a new transaction (if we are not already in the midst of a
+** transaction) and execute the TCL script SCRIPT.  After SCRIPT
+** completes, either commit the transaction or roll it back if SCRIPT
+** throws an exception.  Or if no new transation was started, do nothing.
+** pass the exception on up the stack.
+**
+** This command was inspired by Dave Thomas's talk on Ruby at the
+** 2005 O'Reilly Open Source Convention (OSCON).
+*/
+case DB_TRANSACTION: {
+int inTrans;
+Tcl_Obj *pScript;
+const char *zBegin = "BEGIN";
+if( objc!=3 && objc!=4 ){
+Tcl_WrongNumArgs(interp, 2, objv, "[TYPE] SCRIPT");
+return TCL_ERROR;
+}
+if( objc==3 ){
+pScript = objv[2];
+} else {
+static const char *TTYPE_strs[] = {
+"deferred",   "exclusive",  "immediate", 0
+};
+enum TTYPE_enum {
+TTYPE_DEFERRED, TTYPE_EXCLUSIVE, TTYPE_IMMEDIATE
+};
+int ttype;
+if( Tcl_GetIndexFromObj(interp, objv[2], TTYPE_strs, "transaction type",
+0, &ttype) ){
+return TCL_ERROR;
+}
+switch( (enum TTYPE_enum)ttype ){
+case TTYPE_DEFERRED:    /* no-op */;                 break;
+case TTYPE_EXCLUSIVE:   zBegin = "BEGIN EXCLUSIVE";  break;
+case TTYPE_IMMEDIATE:   zBegin = "BEGIN IMMEDIATE";  break;
+}
+pScript = objv[3];
+}
+inTrans = !sqlite3_get_autocommit(pDb->db);
+if( !inTrans ){
+pDb->disableAuth++;
+(void)sqlite3_exec(pDb->db, zBegin, 0, 0, 0);
+pDb->disableAuth--;
+}
+rc = Tcl_EvalObjEx(interp, pScript, 0);
+if( !inTrans ){
+const char *zEnd;
+if( rc==TCL_ERROR ){
+zEnd = "ROLLBACK";
+} else {
+zEnd = "COMMIT";
+}
+pDb->disableAuth++;
+if( sqlite3_exec(pDb->db, zEnd, 0, 0, 0) ){
+sqlite3_exec(pDb->db, "ROLLBACK", 0, 0, 0);
+}
+pDb->disableAuth--;
+}
+break;
+}
+/*
+**    $db update_hook ?script?
+**    $db rollback_hook ?script?
+*/
+case DB_UPDATE_HOOK:
+case DB_ROLLBACK_HOOK: {
+/* set ppHook to point at pUpdateHook or pRollbackHook, depending on
+** whether [$db update_hook] or [$db rollback_hook] was invoked.
+*/
+Tcl_Obj **ppHook;
+if( choice==DB_UPDATE_HOOK ){
+ppHook = &pDb->pUpdateHook;
+}else{
+ppHook = &pDb->pRollbackHook;
+}
+if( objc!=2 && objc!=3 ){
+Tcl_WrongNumArgs(interp, 2, objv, "?SCRIPT?");
+return TCL_ERROR;
+}
+if( *ppHook ){
+Tcl_SetObjResult(interp, *ppHook);
+if( objc==3 ){
+Tcl_DecrRefCount(*ppHook);
+*ppHook = 0;
+}
+}
+if( objc==3 ){
+assert( !(*ppHook) );
+if( Tcl_GetCharLength(objv[2])>0 ){
+*ppHook = objv[2];
+Tcl_IncrRefCount(*ppHook);
+}
+}
+sqlite3_update_hook(pDb->db, (pDb->pUpdateHook?DbUpdateHandler:0), pDb);
+sqlite3_rollback_hook(pDb->db,(pDb->pRollbackHook?DbRollbackHandler:0),pDb);
+break;
+}
+/*    $db version
+**
+** Return the version string for this database.
+*/
+case DB_VERSION: {
+Tcl_SetResult(interp, (char *)sqlite3_libversion(), TCL_STATIC);
+break;
+}
+} /* End of the SWITCH statement */
+return rc;
+}
+/*
+**   sqlite3 DBNAME FILENAME ?-vfs VFSNAME? ?-key KEY? ?-readonly BOOLEAN?
+**                           ?-create BOOLEAN? ?-nomutex BOOLEAN?
+**
+** This is the main Tcl command.  When the "sqlite" Tcl command is
+** invoked, this routine runs to process that command.
+**
+** The first argument, DBNAME, is an arbitrary name for a new
+** database connection.  This command creates a new command named
+** DBNAME that is used to control that connection.  The database
+** connection is deleted when the DBNAME command is deleted.
+**
+** The second argument is the name of the database file.
+**
+*/
+static int DbMain(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
+SqliteDb *p;
+void *pKey = 0;
+int nKey = 0;
+const char *zArg;
+char *zErrMsg;
+int i;
+const char *zFile;
+const char *zVfs = 0;
+int flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_NOMUTEX;
+Tcl_DString translatedFilename;
+if( objc==2 ){
+zArg = Tcl_GetStringFromObj(objv[1], 0);
+if( strcmp(zArg,"-version")==0 ){
+Tcl_AppendResult(interp,sqlite3_version,0);
+return TCL_OK;
+}
+if( strcmp(zArg,"-has-codec")==0 ){
+#ifdef SQLITE_HAS_CODEC
+Tcl_AppendResult(interp,"1",0);
+#else
+Tcl_AppendResult(interp,"0",0);
+#endif
+return TCL_OK;
+}
+}
+for(i=3; i+1<objc; i+=2){
+zArg = Tcl_GetString(objv[i]);
+if( strcmp(zArg,"-key")==0 ){
+pKey = Tcl_GetByteArrayFromObj(objv[i+1], &nKey);
+}else if( strcmp(zArg, "-vfs")==0 ){
+i++;
+zVfs = Tcl_GetString(objv[i]);
+}else if( strcmp(zArg, "-readonly")==0 ){
+int b;
+if( Tcl_GetBooleanFromObj(interp, objv[i+1], &b) ) return TCL_ERROR;
+if( b ){
+flags &= ~(SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE);
+flags |= SQLITE_OPEN_READONLY;
+}else{
+flags &= ~SQLITE_OPEN_READONLY;
+flags |= SQLITE_OPEN_READWRITE;
+}
+}else if( strcmp(zArg, "-create")==0 ){
+int b;
+if( Tcl_GetBooleanFromObj(interp, objv[i+1], &b) ) return TCL_ERROR;
+if( b && (flags & SQLITE_OPEN_READONLY)==0 ){
+flags |= SQLITE_OPEN_CREATE;
+}else{
+flags &= ~SQLITE_OPEN_CREATE;
+}
+}else if( strcmp(zArg, "-nomutex")==0 ){
+int b;
+if( Tcl_GetBooleanFromObj(interp, objv[i+1], &b) ) return TCL_ERROR;
+if( b ){
+flags |= SQLITE_OPEN_NOMUTEX;
+flags &= ~SQLITE_OPEN_FULLMUTEX;
+}else{
+flags &= ~SQLITE_OPEN_NOMUTEX;
+}
+}else if( strcmp(zArg, "-fullmutex")==0 ){
+int b;
+if( Tcl_GetBooleanFromObj(interp, objv[i+1], &b) ) return TCL_ERROR;
+if( b ){
+flags |= SQLITE_OPEN_FULLMUTEX;
+flags &= ~SQLITE_OPEN_NOMUTEX;
+}else{
+flags &= ~SQLITE_OPEN_FULLMUTEX;
+}
+}else{
+Tcl_AppendResult(interp, "unknown option: ", zArg, (char*)0);
+return TCL_ERROR;
+}
+}
+if( objc<3 || (objc&1)!=1 ){
+Tcl_WrongNumArgs(interp, 1, objv,
+"HANDLE FILENAME ?-vfs VFSNAME? ?-readonly BOOLEAN? ?-create BOOLEAN?"
+" ?-nomutex BOOLEAN? ?-fullmutex BOOLEAN?"
+#ifdef SQLITE_HAS_CODEC
+" ?-key CODECKEY?"
+#endif
+);
+return TCL_ERROR;
+}
+zErrMsg = 0;
+p = (SqliteDb*)Tcl_Alloc( sizeof(*p) );
+if( p==0 ){
+Tcl_SetResult(interp, "malloc failed", TCL_STATIC);
+return TCL_ERROR;
+}
+memset(p, 0, sizeof(*p));
+zFile = Tcl_GetStringFromObj(objv[2], 0);
+zFile = Tcl_TranslateFileName(interp, zFile, &translatedFilename);
+sqlite3_open_v2(zFile, &p->db, flags, zVfs);
+Tcl_DStringFree(&translatedFilename);
+if( SQLITE_OK!=sqlite3_errcode(p->db) ){
+zErrMsg = sqlite3_mprintf("%s", sqlite3_errmsg(p->db));
+sqlite3_close(p->db);
+p->db = 0;
+}
+#ifdef SQLITE_HAS_CODEC
+if( p->db ){
+sqlite3_key(p->db, pKey, nKey);
+}
+#endif
+if( p->db==0 ){
+Tcl_SetResult(interp, zErrMsg, TCL_VOLATILE);
+Tcl_Free((char*)p);
+sqlite3_free(zErrMsg);
+return TCL_ERROR;
+}
+p->maxStmt = NUM_PREPARED_STMTS;
+p->interp = interp;
+zArg = Tcl_GetStringFromObj(objv[1], 0);
+Tcl_CreateObjCommand(interp, zArg, DbObjCmd, (char*)p, DbDeleteCmd);
+return TCL_OK;
+}
+/*
+** Provide a dummy Tcl_InitStubs if we are using this as a static
+** library.
+*/
+#ifndef USE_TCL_STUBS
+# undef  Tcl_InitStubs
+# define Tcl_InitStubs(a,b,c)
+#endif
+/*
+** Make sure we have a PACKAGE_VERSION macro defined.  This will be
+** defined automatically by the TEA makefile.  But other makefiles
+** do not define it.
+*/
+#ifndef PACKAGE_VERSION
+# define PACKAGE_VERSION SQLITE_VERSION
+#endif
+/*
+** Initialize this module.
+**
+** This Tcl module contains only a single new Tcl command named "sqlite".
+** (Hence there is no namespace.  There is no point in using a namespace
+** if the extension only supplies one new name!)  The "sqlite" command is
+** used to open a new SQLite database.  See the DbMain() routine above
+** for additional information.
+*/
+EXTERN int Sqlite3_Init(Tcl_Interp *interp){
+Tcl_InitStubs(interp, "8.4", 0);
+Tcl_CreateObjCommand(interp, "sqlite3", (Tcl_ObjCmdProc*)DbMain, 0, 0);
+Tcl_PkgProvide(interp, "sqlite3", PACKAGE_VERSION);
+Tcl_CreateObjCommand(interp, "sqlite", (Tcl_ObjCmdProc*)DbMain, 0, 0);
+Tcl_PkgProvide(interp, "sqlite", PACKAGE_VERSION);
+return TCL_OK;
+}
+EXTERN int Tclsqlite3_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
+EXTERN int Sqlite3_SafeInit(Tcl_Interp *interp){ return TCL_OK; }
+EXTERN int Tclsqlite3_SafeInit(Tcl_Interp *interp){ return TCL_OK; }
+EXTERN int Sqlite3_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
+EXTERN int Tclsqlite3_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
+EXTERN int Sqlite3_SafeUnload(Tcl_Interp *interp, int flags){ return TCL_OK; }
+EXTERN int Tclsqlite3_SafeUnload(Tcl_Interp *interp, int flags){ return TCL_OK;}
+#ifndef SQLITE_3_SUFFIX_ONLY
+EXTERN int Sqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
+EXTERN int Tclsqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
+EXTERN int Sqlite_SafeInit(Tcl_Interp *interp){ return TCL_OK; }
+EXTERN int Tclsqlite_SafeInit(Tcl_Interp *interp){ return TCL_OK; }
+EXTERN int Sqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
+EXTERN int Tclsqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
+EXTERN int Sqlite_SafeUnload(Tcl_Interp *interp, int flags){ return TCL_OK; }
+EXTERN int Tclsqlite_SafeUnload(Tcl_Interp *interp, int flags){ return TCL_OK;}
+#endif
+#ifdef TCLSH
+/*****************************************************************************
+** The code that follows is used to build standalone TCL interpreters
+** that are statically linked with SQLite.
+*/
+/*
+** If the macro TCLSH is one, then put in code this for the
+** "main" routine that will initialize Tcl and take input from
+** standard input, or if a file is named on the command line
+** the TCL interpreter reads and evaluates that file.
+*/
+#if TCLSH==1
+static char zMainloop[] =
+"set line {}\n"
+"while {![eof stdin]} {\n"
+"if {$line!=\"\"} {\n"
+"puts -nonewline \"> \"\n"
+"} else {\n"
+"puts -nonewline \"% \"\n"
+"}\n"
+"flush stdout\n"
+"append line [gets stdin]\n"
+"if {[info complete $line]} {\n"
+"if {[catch {uplevel #0 $line} result]} {\n"
+"puts stderr \"Error: $result\"\n"
+"} elseif {$result!=\"\"} {\n"
+"puts $result\n"
+"}\n"
+"set line {}\n"
+"} else {\n"
+"append line \\n\n"
+"}\n"
+"}\n"
+;
+#endif
+/*
+** If the macro TCLSH is two, then get the main loop code out of
+** the separate file "spaceanal_tcl.h".
+*/
+#if TCLSH==2
+static char zMainloop[] =
+#include "spaceanal_tcl.h"
+;
+#endif
+#define TCLSH_MAIN main   /* Needed to fake out mktclapp */
+int TCLSH_MAIN(int argc, char **argv){
+Tcl_Interp *interp;
+#if defined(__SYMBIAN32__)
+int isChildProcess = 0;
+int oldArgc = 0;
+int err = 0;
+#endif
+PrintS("###TclSqlite3: New instance");
+Tcl_FindExecutable(argv[0]);
+PrintS("###TclSqlite3: Create interpreter");
+interp = Tcl_CreateInterp();
+#if defined(__SYMBIAN32__)
+PrintS("###TclSqlite3: Child process init");
+if (ChildProcessInit(&argc, &argv))
+{
+oldArgc = argc;
+argc = argc-4;
+isChildProcess = 1;
+}
+else
+{
+err = CopyTestFiles();
+if(err != 0)
+{
+PrintS("###TclSqlite3: Exit-1");
+return 1;
+}
+}
+#endif
+PrintS("###TclSqlite3: Init");
+Sqlite3_Init(interp);
+#ifdef SQLITE_TEST
+{
+extern int Md5_Init(Tcl_Interp*);
+extern int Sqliteconfig_Init(Tcl_Interp*);
+extern int Sqlitetest1_Init(Tcl_Interp*);
+extern int Sqlitetest2_Init(Tcl_Interp*);
+extern int Sqlitetest3_Init(Tcl_Interp*);
+extern int Sqlitetest4_Init(Tcl_Interp*);
+extern int Sqlitetest5_Init(Tcl_Interp*);
+extern int Sqlitetest6_Init(Tcl_Interp*);
+extern int Sqlitetest7_Init(Tcl_Interp*);
+extern int Sqlitetest8_Init(Tcl_Interp*);
+extern int Sqlitetest9_Init(Tcl_Interp*);
+extern int Sqlitetestasync_Init(Tcl_Interp*);
+extern int Sqlitetest_autoext_Init(Tcl_Interp*);
+extern int Sqlitetest_func_Init(Tcl_Interp*);
+extern int Sqlitetest_hexio_Init(Tcl_Interp*);
+extern int Sqlitetest_malloc_Init(Tcl_Interp*);
+extern int Sqlitetest_mutex_Init(Tcl_Interp*);
+extern int Sqlitetestschema_Init(Tcl_Interp*);
+extern int Sqlitetestsse_Init(Tcl_Interp*);
+extern int Sqlitetesttclvar_Init(Tcl_Interp*);
+extern int SqlitetestThread_Init(Tcl_Interp*);
+extern int SqlitetestOnefile_Init();
+extern int SqlitetestOsinst_Init(Tcl_Interp*);
+Md5_Init(interp);
+Sqliteconfig_Init(interp);
+Sqlitetest1_Init(interp);
+Sqlitetest2_Init(interp);
+Sqlitetest3_Init(interp);
+Sqlitetest4_Init(interp);
+Sqlitetest5_Init(interp);
+Sqlitetest6_Init(interp);
+Sqlitetest7_Init(interp);
+Sqlitetest8_Init(interp);
+Sqlitetest9_Init(interp);
+Sqlitetestasync_Init(interp);
+Sqlitetest_autoext_Init(interp);
+Sqlitetest_func_Init(interp);
+Sqlitetest_hexio_Init(interp);
+Sqlitetest_malloc_Init(interp);
+Sqlitetest_mutex_Init(interp);
+Sqlitetestschema_Init(interp);
+Sqlitetesttclvar_Init(interp);
+SqlitetestThread_Init(interp);
+SqlitetestOnefile_Init(interp);
+SqlitetestOsinst_Init(interp);
+#ifdef SQLITE_SSE
+Sqlitetestsse_Init(interp);
+#endif
+}
+#endif
+if( argc>=2 || TCLSH==2 ){
+int i;
+char zArgc[32];
+sqlite3_snprintf(sizeof(zArgc), zArgc, "%d", argc-(3-TCLSH));
+Tcl_SetVar(interp,"argc", zArgc, TCL_GLOBAL_ONLY);
+Tcl_SetVar(interp,"argv0",argv[1],TCL_GLOBAL_ONLY);
+Tcl_SetVar(interp,"argv", "", TCL_GLOBAL_ONLY);
+for(i=3-TCLSH; i<argc; i++){
+Tcl_SetVar(interp, "argv", argv[i],
+TCL_GLOBAL_ONLY | TCL_LIST_ELEMENT | TCL_APPEND_VALUE);
+}
+#ifdef __SYMBIAN32__
+Tcl_CreateObjCommand(interp, "delete_test_files", (Tcl_ObjCmdProc*)DeleteTestFiles, 0, 0);
+Tcl_CreateObjCommand(interp, "print_text", (Tcl_ObjCmdProc*)PrintText, 0, 0);
+#endif
+PrintS("###TclSqlite3: Tests begin");
+if( TCLSH==1 && Tcl_EvalFile(interp, argv[1])!=TCL_OK ){
+char errMsg[300];
+const char *zInfo = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
+if( zInfo==0 )
+	  zInfo = interp->result;
+sprintf(errMsg, "###TclSqlite3: Error, argv=%s, zInfo=%s", *argv, zInfo);
+PrintS(errMsg);
+#ifdef __SYMBIAN32__
+ChildProcessCleanup(isChildProcess, oldArgc, argv);
+#endif
+PrintS("###TclSqlite3: Exit-2");
+return 1;
+}
+PrintS("###TclSqlite3: Tests end");
+}
+if( argc<=1 || TCLSH==2 ){
+Tcl_GlobalEval(interp, zMainloop);
+}
+#if defined(__SYMBIAN32__)
+ChildProcessCleanup(isChildProcess, oldArgc, argv);
+#endif
+PrintS("###TclSqlite3: Exit-3");
+return 0;
+}
+#endif /* TCLSH */

changeset 0	08ec8eefde2f
child 11	211563e4b919