--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sqlite3api/TEST/SRC/tclsqlite.c Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,2691 @@
+/*
+** 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 */