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-rw-r--r--Makefile.in1
-rw-r--r--main.mk1
-rw-r--r--manifest35
-rw-r--r--manifest.uuid2
-rw-r--r--src/sqlite.h.in22
-rw-r--r--src/tclsqlite.c4
-rw-r--r--src/test8.c119
-rw-r--r--src/test_tclvar.c193
-rw-r--r--src/vdbe.c27
-rw-r--r--src/vdbe.h3
-rw-r--r--src/vdbeapi.c2
-rw-r--r--src/vdbeaux.c11
-rw-r--r--src/vtab.c12
-rw-r--r--src/where.c53
-rw-r--r--test/vtab1.test31
15 files changed, 357 insertions, 159 deletions
diff --git a/Makefile.in b/Makefile.in
index 26ada6818..706246e06 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -211,6 +211,7 @@ TESTSRC = \
$(TOP)/src/test_async.c \
$(TOP)/src/test_md5.c \
$(TOP)/src/test_server.c \
+ $(TOP)/src/test_tclvar.c \
$(TOP)/src/utf.c \
$(TOP)/src/util.c \
$(TOP)/src/vdbe.c \
diff --git a/main.mk b/main.mk
index 5a0233d6b..de072755f 100644
--- a/main.mk
+++ b/main.mk
@@ -144,6 +144,7 @@ TESTSRC = \
$(TOP)/src/test_async.c \
$(TOP)/src/test_md5.c \
$(TOP)/src/test_server.c \
+ $(TOP)/src/test_tclvar.c \
$(TOP)/src/utf.c \
$(TOP)/src/util.c \
$(TOP)/src/vdbe.c \
diff --git a/manifest b/manifest
index 8c5936ace..40645736e 100644
--- a/manifest
+++ b/manifest
@@ -1,6 +1,6 @@
-C The\s(unsupported)\ssoundex()\sfunction\sreturns\s'?000'\swhen\sgiven\sa\sNULL.\nTicket\s#1845.\s(CVS\s3233)
-D 2006-06-13T19:26:11
-F Makefile.in 56fd6261e83f60724e6dcd764e06ab68cbd53909
+C The\secho\smodule\stest\sis\snow\srunning.\s\sAdded\sthe\stclvar\smodule\stest\sbut\shave\nnot\syet\sdone\sanything\swith\sit.\s(CVS\s3234)
+D 2006-06-13T23:51:34
+F Makefile.in 200f6dc376ecfd9b01e5359c4e0c10c02f649b34
F Makefile.linux-gcc 74ba0eadf88748a9ce3fd03d2a3ede2e6715baec
F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
F VERSION 301ed2b2c08f5cca242ea56e50a9ed0264a3eb76
@@ -19,7 +19,7 @@ F doc/lemon.html f0f682f50210928c07e562621c3b7e8ab912a538
F doc/report1.txt a031aaf37b185e4fa540223cb516d3bccec7eeac
F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895
F ltmain.sh f6b283068efa69f06eb8aa1fe4bddfdbdeb35826
-F main.mk a7796b31f0d7e16ea57ff00ac88b97befe519977
+F main.mk 2f02a26044baa6126127e7231b1cea172355d721
F mkdll.sh 919df5efde876194e3102c6ebc60657d38949909
F mkopcodec.awk bd46ad001c98dfbab07b1713cb8e692fa0e5415d
F mkopcodeh.awk cde995d269aa06c94adbf6455bea0acedb913fa5
@@ -72,11 +72,11 @@ F src/random.c d40f8d356cecbd351ccfab6eaedd7ec1b54f5261
F src/select.c 38eda11d950ed5e631ea9054f84a4a8b9e9b39d8
F src/server.c 087b92a39d883e3fa113cae259d64e4c7438bc96
F src/shell.c ad73192b30a338a58fe81183d4a5d5a1d4e51d36
-F src/sqlite.h.in 92cbeeacf040bffe109057d3af2db9dc63db8a67
+F src/sqlite.h.in 84522f48a0a044987267a82d680121194d31fb7a
F src/sqlite3ext.h 127bd394c8eea481f2ac9b754bf399dbfc818b75
F src/sqliteInt.h e8710fd5c10c03ca4a2fb49802b8aae6689f27a0
F src/table.c f64ec4fbfe333f8df925bc6ba494f55e05b0e75e
-F src/tclsqlite.c 0b2a04cfc1b4298adfbe90a754cfbbe207aca11a
+F src/tclsqlite.c 4ad22f354b6e4e137889000e9f585a0590ca39c5
F src/test1.c 88291fa6674dcd409b1c9d76d3119151d4b81a50
F src/test2.c ca74a1d8aeb7d9606e8f6b762c5daf85c1a3f92b
F src/test3.c 86e99724ee898b119ed575ef9f98618afe7e5e5d
@@ -84,25 +84,26 @@ F src/test4.c 8b784cd82de158a2317cb4ac4bc86f91ad315e25
F src/test5.c 7162f8526affb771c4ed256826eee7bb9eca265f
F src/test6.c 60a02961ceb7b3edc25f5dc5c1ac2556622a76de
F src/test7.c 03fa8d787f6aebc6d1f72504d52f33013ad2c8e3
-F src/test8.c 34b04bd826b3f7fa843c5b60052928412591c5c7
+F src/test8.c d21b301afbc35a5c4ded0ecc784d59bc8f795c75
F src/test_async.c e3deaedd4d86a56391b81808fde9e44fbd92f1d3
F src/test_md5.c 6c42bc0a3c0b54be34623ff77a0eec32b2fa96e3
F src/test_server.c a6460daed0b92ecbc2531b6dc73717470e7a648c
+F src/test_tclvar.c 3157e17194caa73434041d310b66ec93803aa1be
F src/tokenize.c 6ebcafa6622839968dda4418a7b6945f277a128f
F src/trigger.c 48bbb94c11954c8e132efcc04478efe8304c4196
F src/update.c 0186f09414a6578156d40666becc964f85c2a616
F src/utf.c ab81ac59084ff1c07d421eb1a0a84ec809603b44
F src/util.c ca6ee72772c0f5dc04d2e0ab1973fd3b6a9bf79d
F src/vacuum.c 5b37d0f436f8e1ffacd17934e44720b38d2247f9
-F src/vdbe.c 1d5ae83b7122146c0193f52750e37aacd633bccc
-F src/vdbe.h f72e5c00af759b7ed6fd606d508036d732098cc3
+F src/vdbe.c 51f94a1f1647a85f4e5eb6418624f8d1ef67622a
+F src/vdbe.h 258b5d1c0aaa72192f09ff0568ce42b383f156fa
F src/vdbeInt.h 6ccb7eaae76ebd761470f6a035501ff33aa92c20
-F src/vdbeapi.c 7dc662e7c905ce666bb506dced932e0307115cbf
-F src/vdbeaux.c 0168d770d03f9815511780a49cd8360d9a5f1ec5
+F src/vdbeapi.c af663689ef57e5506f190bbd1068d28936b0fb34
+F src/vdbeaux.c c9474fd27f1735170feb4f6a46885d282cf22d52
F src/vdbefifo.c 9efb94c8c3f4c979ebd0028219483f88e57584f5
F src/vdbemem.c 5f0afe3b92bb2c037f8d5d697f7c151fa50783a3
-F src/vtab.c 12d83f7de893d06592d6d37c285defefebbd2d48
-F src/where.c 7e614b0278c688aec94c79d42f602b24e9e4119f
+F src/vtab.c 7de1347022248edfb260c54f259148f413320cb7
+F src/where.c 299c385e32a7b98d42864c7c83cdc6a778fae562
F tclinstaller.tcl 046e3624671962dc50f0481d7c25b38ef803eb42
F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
F test/all.test 5df90d015ca63fcef2a4b62c24f7316b66c4bfd4
@@ -287,7 +288,7 @@ F test/vacuum.test 37f998b841cb335397c26d9bbc3457182af2565f
F test/vacuum2.test 5aea8c88a65cb29f7d175296e7c819c6158d838c
F test/varint.test ab7b110089a08b9926ed7390e7e97bdefeb74102
F test/view.test 16e2774fe35e47a07ac4471b7f0bcc948b1aa6d5
-F test/vtab1.test c94c8bdadfdd9c474146874562925830ab0413c5
+F test/vtab1.test 86e4c90c96cbf7f2c3b31069ed8c2d5dfd3bf378
F test/where.test ee7c9a6659b07e1ee61177f6e7ff71565ee2c9df
F test/where2.test a16476a5913e75cf65b38f2daa6157a6b7791394
F test/where3.test 3b5ad2c58069e12be2bd86bc5e211a82810521aa
@@ -363,7 +364,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P 136bed496b89943522310ec511199b78198d0844
-R 4d340ce3b4963ceb6566edfe12edcd3d
+P 9372481f233e1563b5ee137535f0fbf19851ffad
+R e6ce8e5a9dba6e782016ada2d5443cc3
U drh
-Z 16c6d69d2baed957168638e44a48c1df
+Z 6f9bc9c4a49544af7a028d3a571bcd52
diff --git a/manifest.uuid b/manifest.uuid
index 4a18b8861..f77be546a 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-9372481f233e1563b5ee137535f0fbf19851ffad \ No newline at end of file
+29199eeea4c46168ccaa7535d4941bd740479dee \ No newline at end of file
diff --git a/src/sqlite.h.in b/src/sqlite.h.in
index f21438038..9d59515b9 100644
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -12,7 +12,7 @@
** This header file defines the interface that the SQLite library
** presents to client programs.
**
-** @(#) $Id: sqlite.h.in,v 1.173 2006/06/13 15:00:55 danielk1977 Exp $
+** @(#) $Id: sqlite.h.in,v 1.174 2006/06/13 23:51:34 drh Exp $
*/
#ifndef _SQLITE3_H_
#define _SQLITE3_H_
@@ -926,6 +926,7 @@ const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol);
const void *sqlite3_column_text16(sqlite3_stmt*, int iCol);
int sqlite3_column_type(sqlite3_stmt*, int iCol);
int sqlite3_column_numeric_type(sqlite3_stmt*, int iCol);
+sqlite3_value *sqlite3_column_value(sqlite3_stmt*, int iCol);
/*
** The sqlite3_finalize() function is called to delete a compiled
@@ -1547,7 +1548,7 @@ struct sqlite3_module {
int (*xDestroy)(sqlite3_vtab *pVTab);
int (*xOpen)(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor);
int (*xClose)(sqlite3_vtab_cursor*);
- int (*xFilter)(sqlite3_vtab_cursor*, char *zPlan, int nPlan,
+ int (*xFilter)(sqlite3_vtab_cursor*, int idxNum, const char *idxStr,
int argc, sqlite3_value **argv);
int (*xNext)(sqlite3_vtab_cursor*);
int (*xColumn)(sqlite3_vtab_cursor*, sqlite3_context*, int);
@@ -1595,7 +1596,8 @@ struct sqlite3_module {
** is true, then the constraint is assumed to be fully handled by the
** virtual table and is not checked again by SQLite.
**
-** The idxNum value is recorded and passed into xFilter.
+** The idxNum and idxPtr values are recorded and passed into xFilter.
+** sqlite3_free() is used to free idxPtr if needToFreeIdxPtr is true.
**
** The orderByConsumed means that output from xFilter will occur in
** the correct order to satisfy the ORDER BY clause so that no separate
@@ -1626,10 +1628,9 @@ struct sqlite3_index_info {
int argvIndex; /* if >0, constraint is part of argv to xFilter */
unsigned char omit; /* Do not code a test for this constraint */
} *const aConstraintUsage;
-
- char *zPlan; /* xBestIndex blob passed to xFilter */
- int nPlan; /* Size of nPlan */
-
+ int idxNum; /* Number used to identify the index */
+ char *idxStr; /* String, possibly obtained from sqlite3_malloc */
+ int needToFreeIdxStr; /* Free idxStr using sqlite3_free() if true */
int orderByConsumed; /* True if output is already ordered */
double estimatedCost; /* Estimated cost of using this index */
};
@@ -1686,13 +1687,6 @@ struct sqlite3_vtab_cursor {
int sqlite3_declare_vtab(sqlite3*, const char *zCreateTable);
/*
-** This function is called by the xBestIndex method of a module to
-** allocate space to store the query-plan passed to the corresponding
-** xFilter invocation(s).
-*/
-char *sqlite3_allocate_queryplan(sqlite3_index_info *, int);
-
-/*
** The interface to the virtual-table mechanism defined above (back up
** to a comment remarkably similar to this one) is currently considered
** to be experimental. The interface might change in incompatible ways.
diff --git a/src/tclsqlite.c b/src/tclsqlite.c
index 07783c1e4..9c3890b99 100644
--- a/src/tclsqlite.c
+++ b/src/tclsqlite.c
@@ -11,7 +11,7 @@
*************************************************************************
** A TCL Interface to SQLite
**
-** $Id: tclsqlite.c,v 1.157 2006/06/11 23:41:56 drh Exp $
+** $Id: tclsqlite.c,v 1.158 2006/06/13 23:51:35 drh Exp $
*/
#ifndef NO_TCL /* Omit this whole file if TCL is unavailable */
@@ -2155,6 +2155,7 @@ int TCLSH_MAIN(int argc, char **argv){
extern int Md5_Init(Tcl_Interp*);
extern int Sqlitetestsse_Init(Tcl_Interp*);
extern int Sqlitetestasync_Init(Tcl_Interp*);
+ extern int Sqlitetesttclvar_Init(Tcl_Interp*);
Sqlitetest1_Init(interp);
Sqlitetest2_Init(interp);
@@ -2165,6 +2166,7 @@ int TCLSH_MAIN(int argc, char **argv){
Sqlitetest7_Init(interp);
Sqlitetest8_Init(interp);
Sqlitetestasync_Init(interp);
+ Sqlitetesttclvar_Init(interp);
Md5_Init(interp);
#ifdef SQLITE_SSE
Sqlitetestsse_Init(interp);
diff --git a/src/test8.c b/src/test8.c
index 5f005e03c..24067b95a 100644
--- a/src/test8.c
+++ b/src/test8.c
@@ -13,7 +13,7 @@
** is not included in the SQLite library. It is used for automated
** testing of the SQLite library.
**
-** $Id: test8.c,v 1.10 2006/06/13 15:00:55 danielk1977 Exp $
+** $Id: test8.c,v 1.11 2006/06/13 23:51:35 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
@@ -35,6 +35,7 @@ struct echo_vtab {
sqlite3_vtab base;
Tcl_Interp *interp;
sqlite3 *db;
+ char *zTableName; /* Name of the real table */
char *zStmt; /* "SELECT rowid, * FROM <real-table-name> " */
int *aIndex;
@@ -224,6 +225,7 @@ static int echoConstructor(
pVtab->base.pModule = pModule;
pVtab->interp = pModule->pAux;
pVtab->db = db;
+ pVtab->zTableName = sqlite3MPrintf("%s", argv[1]);
for(i=0; i<argc; i++){
appendToEchoModule(pVtab->interp, argv[i]);
}
@@ -261,6 +263,7 @@ static int echoDestructor(sqlite3_vtab *pVtab){
sqliteFree(p->aCol[ii]);
}
sqliteFree(p->aCol);
+ sqliteFree(p->zTableName);
sqliteFree(p);
return 0;
}
@@ -310,28 +313,7 @@ static int echoColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){
sqlite3_stmt *pStmt = ((echo_cursor *)cur)->pStmt;
assert( sqlite3_data_count(pStmt)>iCol );
- switch( sqlite3_column_type(pStmt, iCol) ){
- case SQLITE_INTEGER:
- sqlite3_result_int64(ctx, sqlite3_column_int64(pStmt, iCol));
- break;
- case SQLITE_FLOAT:
- sqlite3_result_double(ctx, sqlite3_column_double(pStmt, iCol));
- break;
- case SQLITE_TEXT:
- sqlite3_result_text(ctx,
- sqlite3_column_text(pStmt, iCol),
- sqlite3_column_bytes(pStmt, iCol),
- SQLITE_TRANSIENT
- );
- break;
- case SQLITE_BLOB:
- sqlite3_result_blob(ctx,
- sqlite3_column_blob(pStmt, iCol),
- sqlite3_column_bytes(pStmt, iCol),
- SQLITE_TRANSIENT
- );
- break;
- }
+ sqlite3_result_value(ctx, sqlite3_column_value(pStmt, iCol));
return SQLITE_OK;
}
@@ -344,31 +326,55 @@ static int echoRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){
static int echoFilter(
sqlite3_vtab_cursor *pVtabCursor,
- char *zPlan, int nPlan,
- int argc,
- sqlite3_value **argv
+ int idxNum, const char *idxStr,
+ int argc, sqlite3_value **argv
){
int rc;
- int ii;
+ int i;
echo_cursor *pCur = (echo_cursor *)pVtabCursor;
echo_vtab *pVtab = (echo_vtab *)pVtabCursor->pVtab;
sqlite3 *db = pVtab->db;
- appendToEchoModule(pVtab->interp, "xFilter");
- appendToEchoModule(pVtab->interp, zPlan);
- for(ii=0; ii<argc; ii++){
- appendToEchoModule(pVtab->interp, sqlite3_value_text(argv[ii]));
- }
-
sqlite3_finalize(pCur->pStmt);
pCur->pStmt = 0;
- rc = sqlite3_prepare(db, pVtab->zStmt, -1, &pCur->pStmt, 0);
-
+ rc = sqlite3_prepare(db, idxStr, -1, &pCur->pStmt, 0);
+ for(i=0; i<argc; i++){
+ switch( sqlite3_value_type(argv[i]) ){
+ case SQLITE_INTEGER: {
+ sqlite3_bind_int64(pCur->pStmt, i+1, sqlite3_value_int64(argv[i]));
+ break;
+ }
+ case SQLITE_FLOAT: {
+ sqlite3_bind_double(pCur->pStmt, i+1, sqlite3_value_double(argv[i]));
+ break;
+ }
+ case SQLITE_NULL: {
+ sqlite3_bind_null(pCur->pStmt, i+1);
+ break;
+ }
+ case SQLITE_TEXT: {
+ sqlite3_bind_text(pCur->pStmt, i+1, sqlite3_value_text(argv[i]),
+ sqlite3_value_bytes(argv[i]), SQLITE_TRANSIENT);
+ break;
+ }
+ case SQLITE_BLOB: {
+ sqlite3_bind_blob(pCur->pStmt, i+1, sqlite3_value_blob(argv[i]),
+ sqlite3_value_bytes(argv[i]), SQLITE_TRANSIENT);
+ break;
+ }
+ }
+ }
if( rc==SQLITE_OK ){
rc = echoNext(pVtabCursor);
}
+ appendToEchoModule(pVtab->interp, "xFilter");
+ appendToEchoModule(pVtab->interp, idxStr);
+ for(i=0; i<argc; i++){
+ appendToEchoModule(pVtab->interp, sqlite3_value_text(argv[i]));
+ }
+
return rc;
}
@@ -386,13 +392,13 @@ static int echoFilter(
*/
static int echoBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
int ii;
- char *zWhere = 0;
- char *zOrder = 0;
- char *zPlan = 0;
- int nPlan = 0;
+ char *zQuery = 0;
+ char *zNew;
int nArg = 0;
+ const char *zSep = "WHERE";
echo_vtab *pVtab = (echo_vtab *)tab;
+ zQuery = sqlite3_mprintf("SELECT rowid, * FROM %Q", pVtab->zTableName);
for(ii=0; ii<pIdxInfo->nConstraint; ii++){
const struct sqlite3_index_constraint *pConstraint;
struct sqlite3_index_constraint_usage *pUsage;
@@ -418,39 +424,20 @@ static int echoBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
case SQLITE_INDEX_CONSTRAINT_MATCH:
zOp = "MATCH"; break;
}
- if( zWhere ){
- char *zTmp = zWhere;
- zWhere = sqlite3MPrintf("%s AND %s %s ?", zWhere, zCol, zOp);
- sqliteFree(zTmp);
- } else {
- zWhere = sqlite3MPrintf("WHERE %s %s ?", zCol, zOp);
- }
-
+ zNew = sqlite3_mprintf("%s %s %s %s ?", zQuery, zSep, zCol, zOp);
+ sqlite3_free(zQuery);
+ zQuery = zNew;
+ zSep = "AND";
pUsage->argvIndex = ++nArg;
pUsage->omit = 1;
}
}
-
appendToEchoModule(pVtab->interp, "xBestIndex");;
- appendToEchoModule(pVtab->interp, zWhere);
- appendToEchoModule(pVtab->interp, zOrder);
-
- nPlan = 2;
- if( zWhere ){
- nPlan += strlen(zWhere);
- }
- if( zOrder ){
- nPlan += strlen(zWhere);
- }
- zPlan = sqlite3_allocate_queryplan(pIdxInfo, nPlan);
- if( zPlan ){
- sprintf(zPlan, "%s%s%s",
- zWhere?zWhere:"", (zOrder&&zWhere)?" ":"", zOrder?zOrder:"");
- }
-
- sqliteFree(zWhere);
- sqliteFree(zOrder);
+ appendToEchoModule(pVtab->interp, zQuery);
+ pIdxInfo->idxStr = zQuery;
+ pIdxInfo->needToFreeIdxStr = 1;
+ pIdxInfo->estimatedCost = 1.0;
return SQLITE_OK;
}
diff --git a/src/test_tclvar.c b/src/test_tclvar.c
new file mode 100644
index 000000000..00937c276
--- /dev/null
+++ b/src/test_tclvar.c
@@ -0,0 +1,193 @@
+/*
+** 2006 June 13
+**
+** 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.
+**
+*************************************************************************
+** Code for testing the virtual table interfaces. This code
+** is not included in the SQLite library. It is used for automated
+** testing of the SQLite library.
+**
+** The emphasis of this file is a virtual table that provides
+** access to TCL variables.
+**
+** $Id: test_tclvar.c,v 1.1 2006/06/13 23:51:35 drh Exp $
+*/
+#include "sqliteInt.h"
+#include "tcl.h"
+#include "os.h"
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct tclvar_vtab tclvar_vtab;
+typedef struct tclvar_cursor tclvar_cursor;
+
+/*
+** A tclvar virtual-table object
+*/
+struct tclvar_vtab {
+ sqlite3_vtab base;
+ Tcl_Interp *interp;
+};
+
+/* A tclvar cursor object */
+struct tclvar_cursor {
+ sqlite3_vtab_cursor base;
+ Tcl_Obj *pList1, *pList2;
+ int i, j;
+};
+
+/* Methods for the tclvar module */
+static int tclvarConnect(
+ sqlite3 *db,
+ const sqlite3_module *pModule,
+ int argc, char **argv,
+ sqlite3_vtab **ppVtab
+){
+ tclvar_vtab *pVtab;
+ static const char zSchema[] =
+ "CREATE TABLE whatever(name TEXT, arrayname TEXT, value TEXT)";
+ pVtab = sqliteMalloc( sizeof(*pVtab) );
+ if( pVtab==0 ) return SQLITE_NOMEM;
+ *ppVtab = &pVtab->base;
+ pVtab->base.pModule = pModule;
+ pVtab->interp = pModule->pAux;
+#ifndef SQLITE_OMIT_VIRTUALTABLE
+ sqlite3_declare_vtab(db, zSchema);
+#endif
+ return SQLITE_OK;
+}
+/* Note that for this virtual table, the xCreate and xConnect
+** methods are identical. */
+static int tclvarDisconnect(sqlite3_vtab *pVtab){
+ free(pVtab);
+}
+/* The xDisconnect and xDestroy methods are also the same */
+
+static int tclvarOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){
+ tclvar_cursor *pCur;
+ pCur = sqliteMalloc(sizeof(tclvar_cursor));
+ *ppCursor = &pCur->base;
+ return SQLITE_OK;
+}
+
+static int tclvarClose(sqlite3_vtab_cursor *cur){
+ tclvar_cursor *pCur = (tclvar_cursor *)cur;
+ if( pCur->pList1 ){
+ Tcl_DecrRefCount(pCur->pList1);
+ }
+ if( pCur->pList2 ){
+ Tcl_DecrRefCount(pCur->pList2);
+ }
+ sqliteFree(pCur);
+ return SQLITE_OK;
+}
+
+static int tclvarNext(sqlite3_vtab_cursor *cur){
+ tclvar_cursor *pCur = (tclvar_cursor *)cur;
+ return 0;
+}
+
+static int tclvarColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){
+ tclvar_cursor *pCur = (tclvar_cursor*)cur;
+ return SQLITE_OK;
+}
+
+static int tclvarRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){
+ tclvar_cursor *pCur = (tclvar_cursor*)cur;
+ return SQLITE_OK;
+}
+
+static int tclvarFilter(
+ sqlite3_vtab_cursor *pVtabCursor,
+ int idxNum, const char *idxStr,
+ int argc, sqlite3_value **argv
+){
+ tclvar_cursor *pCur = (tclvar_cursor *)pVtabCursor;
+ tclvar_vtab *pVtab = (tclvar_vtab *)pCur->base.pVtab;
+ return 0;
+}
+
+/*
+*/
+static int tclvarBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
+ tclvar_vtab *pVtab = (tclvar_vtab *)tab;
+ return SQLITE_OK;
+}
+
+/*
+** A virtual table module that merely echos method calls into TCL
+** variables.
+*/
+static sqlite3_module tclvarModule = {
+ 0, /* iVersion */
+ "tclvar", /* zName */
+ 0, /* pAux */
+ tclvarConnect,
+ tclvarConnect,
+ tclvarBestIndex,
+ tclvarDisconnect,
+ tclvarDisconnect,
+ tclvarOpen, /* xOpen - open a cursor */
+ tclvarClose, /* xClose - close a cursor */
+ tclvarFilter, /* xFilter - configure scan constraints */
+ tclvarNext, /* xNext - advance a cursor */
+ tclvarColumn, /* xColumn - read data */
+ tclvarRowid /* xRowid - read data */
+};
+
+/*
+** Decode a pointer to an sqlite3 object.
+*/
+static int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
+ *ppDb = (sqlite3*)sqlite3TextToPtr(zA);
+ return TCL_OK;
+}
+
+
+/*
+** Register the echo virtual table module.
+*/
+static int register_tclvar_module(
+ ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
+ Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
+ int objc, /* Number of arguments */
+ Tcl_Obj *CONST objv[] /* Command arguments */
+){
+ sqlite3 *db;
+ if( objc!=2 ){
+ Tcl_WrongNumArgs(interp, 1, objv, "DB");
+ return TCL_ERROR;
+ }
+ if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
+ tclvarModule.pAux = interp;
+#ifndef SQLITE_OMIT_VIRTUALTABLE
+ sqlite3_create_module(db, "tclvar", &tclvarModule);
+#endif
+ return TCL_OK;
+}
+
+
+/*
+** Register commands with the TCL interpreter.
+*/
+int Sqlitetesttclvar_Init(Tcl_Interp *interp){
+ static struct {
+ char *zName;
+ Tcl_ObjCmdProc *xProc;
+ void *clientData;
+ } aObjCmd[] = {
+ { "register_tclvar_module", register_tclvar_module, 0 },
+ };
+ int i;
+ for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
+ Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
+ aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
+ }
+ return TCL_OK;
+}
diff --git a/src/vdbe.c b/src/vdbe.c
index 22967d41f..30b52aff5 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -43,7 +43,7 @@
** in this file for details. If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
-** $Id: vdbe.c,v 1.557 2006/06/13 15:00:55 danielk1977 Exp $
+** $Id: vdbe.c,v 1.558 2006/06/13 23:51:35 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -4593,17 +4593,19 @@ case OP_VOpen: {
** P1 is a cursor opened using VOpen. P2 is an address to jump to if
** the filtered result set is empty.
**
-** P3 points to enough free space to use to marshall the arguments.
+** P3 is either NULL or a string that was generated by the xBestIndex
+** method of the module. The interpretation of the P3 string is left
+** to the module implementation.
**
** This opcode invokes the xFilter method on the virtual table specified
-** by P1. The query plan parameter to xFilter is the top of the stack.
-** Next down on the stack is the argc parameter. Beneath the
+** by P1. The integer query plan parameter to xFilter is the top of the
+** stack. Next down on the stack is the argc parameter. Beneath the
** next of stack are argc additional parameters which are passed to
** xFilter as argv. The topmost parameter (i.e. 3rd element popped from
** the stack) becomes argv[argc-1] when passed to xFilter.
**
-** The query plan, argc, and all argv stack values are popped from the
-** stack before this instruction completes.
+** The integer query plan parameter, argc, and all argv stack values
+** are popped from the stack before this instruction completes.
**
** A jump is made to P2 if the result set after filtering would be
** empty.
@@ -4619,20 +4621,21 @@ case OP_VFilter: {
/* Grab the index number and argc parameters off the top of the stack. */
assert( (&pTos[-1])>=p->aStack );
- assert( pTos[0].flags&MEM_Blob && pTos[-1].flags==MEM_Int );
+ assert( (pTos[0].flags&MEM_Int)!=0 && pTos[-1].flags==MEM_Int );
nArg = pTos[-1].i;
/* Invoke the xFilter method if one is defined. */
if( pModule->xFilter ){
int res;
- int ii;
- Mem **apArg = (Mem **)pOp->p3;
- for(ii = 0; ii<nArg; ii++){
- apArg[ii] = &pTos[ii+1-2-nArg];
+ int i;
+ Mem **apArg = p->apArg;
+ for(i = 0; i<nArg; i++){
+ apArg[i] = &pTos[i+1-2-nArg];
+ storeTypeInfo(apArg[i], 0);
}
if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse;
- res = pModule->xFilter(pCur->pVtabCursor, pTos->z, pTos->n, nArg, apArg);
+ res = pModule->xFilter(pCur->pVtabCursor, pTos->i, pOp->p3, nArg, apArg);
if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse;
if( res==0 ){
diff --git a/src/vdbe.h b/src/vdbe.h
index 713d0f18b..46f6fe045 100644
--- a/src/vdbe.h
+++ b/src/vdbe.h
@@ -15,7 +15,7 @@
** or VDBE. The VDBE implements an abstract machine that runs a
** simple program to access and modify the underlying database.
**
-** $Id: vdbe.h,v 1.104 2006/06/13 01:04:53 drh Exp $
+** $Id: vdbe.h,v 1.105 2006/06/13 23:51:35 drh Exp $
*/
#ifndef _SQLITE_VDBE_H_
#define _SQLITE_VDBE_H_
@@ -71,6 +71,7 @@ typedef struct VdbeOpList VdbeOpList;
#define P3_MEM (-8) /* P3 is a pointer to a Mem* structure */
#define P3_TRANSIENT (-9) /* P3 is a pointer to a transient string */
#define P3_VTAB (-10) /* P3 is a pointer to an sqlite3_vtab structure */
+#define P3_MPRINTF (-11) /* P3 is a string obtained from sqlite3_mprintf() */
/* When adding a P3 argument using P3_KEYINFO, a copy of the KeyInfo structure
** is made. That copy is freed when the Vdbe is finalized. But if the
diff --git a/src/vdbeapi.c b/src/vdbeapi.c
index 94f18aa60..60c8585b1 100644
--- a/src/vdbeapi.c
+++ b/src/vdbeapi.c
@@ -454,11 +454,9 @@ const unsigned char *sqlite3_column_text(sqlite3_stmt *pStmt, int i){
columnMallocFailure(pStmt);
return val;
}
-#if 0
sqlite3_value *sqlite3_column_value(sqlite3_stmt *pStmt, int i){
return columnMem(pStmt, i);
}
-#endif
#ifndef SQLITE_OMIT_UTF16
const void *sqlite3_column_text16(sqlite3_stmt *pStmt, int i){
const void *val = sqlite3_value_text16( columnMem(pStmt,i) );
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index fa3450c15..bc9468e57 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -263,8 +263,13 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs, int *pMaxStack){
}
}else if( opcode==OP_Statement ){
hasStatementBegin = 1;
+ }else if( opcode==OP_VFilter ){
+ int n;
+ assert( p->nOp - i >= 3 );
+ assert( pOp[-2].opcode==OP_Integer );
+ n = pOp[-2].p1;
+ if( n>nMaxArgs ) nMaxArgs = n;
}
-
if( opcodeNoPush(opcode) ){
nMaxStack--;
}
@@ -380,6 +385,10 @@ static void freeP3(int p3type, void *p3){
sqliteFree(p3);
break;
}
+ case P3_MPRINTF: {
+ sqlite3_free(p3);
+ break;
+ }
case P3_VDBEFUNC: {
VdbeFunc *pVdbeFunc = (VdbeFunc *)p3;
sqlite3VdbeDeleteAuxData(pVdbeFunc, 0);
diff --git a/src/vtab.c b/src/vtab.c
index f717831ff..30bff3267 100644
--- a/src/vtab.c
+++ b/src/vtab.c
@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to help implement virtual tables.
**
-** $Id: vtab.c,v 1.7 2006/06/13 15:00:55 danielk1977 Exp $
+** $Id: vtab.c,v 1.8 2006/06/13 23:51:35 drh Exp $
*/
#ifndef SQLITE_OMIT_VIRTUALTABLE
#include "sqliteInt.h"
@@ -277,16 +277,6 @@ int sqlite3VtabCallConnect(Parse *pParse, Table *pTab){
return rc;
}
-/*
-** Resize pInfo->zPlan to nBytes bytes using realloc(). Set pInfo->nPlan
-** to nBytes and return a pointer to the allocated memory.
-*/
-char *sqlite3_allocate_queryplan(sqlite3_index_info *pInfo, int nBytes){
- pInfo->nPlan = nBytes;
- sqlite3ReallocOrFree(&pInfo->zPlan, nBytes);
- return pInfo->zPlan;
-}
-
/*
** This function is used to set the schema of a virtual table. It is only
diff --git a/src/where.c b/src/where.c
index 2bfb21cbf..d137d740f 100644
--- a/src/where.c
+++ b/src/where.c
@@ -16,7 +16,7 @@
** so is applicable. Because this module is responsible for selecting
** indices, you might also think of this module as the "query optimizer".
**
-** $Id: where.c,v 1.215 2006/06/13 17:39:01 drh Exp $
+** $Id: where.c,v 1.216 2006/06/13 23:51:35 drh Exp $
*/
#include "sqliteInt.h"
@@ -1108,8 +1108,12 @@ static double bestVirtualIndex(
pIdxCons->usable = (pTerm->prereqRight & notReady)==0;
}
memset(pUsage, 0, sizeof(pUsage[0])*pIdxInfo->nConstraint);
- pIdxInfo->zPlan = 0;
- pIdxInfo->nPlan = 0;
+ if( pIdxInfo->needToFreeIdxStr ){
+ sqlite3_free(pIdxInfo->idxStr);
+ }
+ pIdxInfo->idxStr = 0;
+ pIdxInfo->idxNum = 0;
+ pIdxInfo->needToFreeIdxStr = 0;
pIdxInfo->orderByConsumed = 0;
pIdxInfo->estimatedCost = SQLITE_BIG_DBL;
nOrderBy = pIdxInfo->nOrderBy;
@@ -1572,10 +1576,13 @@ static void whereInfoFree(WhereInfo *pWInfo){
if( pWInfo ){
int i;
for(i=0; i<pWInfo->nLevel; i++){
- if( pWInfo->a[i].pIdxInfo ){
- sqliteFree(pWInfo->a[i].pIdxInfo->zPlan);
+ sqlite3_index_info *pInfo = pWInfo->a[i].pIdxInfo;
+ if( pInfo ){
+ if( pInfo->needToFreeIdxStr ){
+ sqlite3_free(pInfo->idxStr);
+ }
+ sqliteFree(pInfo);
}
- sqliteFree(pWInfo->a[i].pIdxInfo);
}
sqliteFree(pWInfo);
}
@@ -1861,8 +1868,9 @@ WhereInfo *sqlite3WhereBegin(
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
else if( pLevel->pIdxInfo ){
- zMsg = sqlite3MPrintf("%z VIRTUAL TABLE INDEX %s",
- pLevel->pIdxInfo->zPlan);
+ sqlite3_index_info *pIdxInfo = pLevel->pIdxInfo;
+ zMsg = sqlite3MPrintf("%z VIRTUAL TABLE INDEX %d:%s",
+ pIdxInfo->idxNum, pIdxInfo->idxStr);
}
#endif
if( pLevel->flags & WHERE_ORDERBY ){
@@ -1952,26 +1960,29 @@ WhereInfo *sqlite3WhereBegin(
/* Case 0: The table is a virtual-table. Use the VFilter and VNext
** to access the data.
*/
- char *zSpace; /* Space for OP_VFilter to marshall it's arguments */
-
sqlite3_index_info *pIdxInfo = pLevel->pIdxInfo;
- for(i=1; i<=pIdxInfo->nConstraint; i++){
+ int nConstraint = pIdxInfo->nConstraint;
+ struct sqlite3_index_constraint_usage *aUsage =
+ pIdxInfo->aConstraintUsage;
+ const struct sqlite3_index_constraint *aConstraint =
+ pIdxInfo->aConstraint;
+
+ for(i=1; i<=nConstraint; i++){
int j;
- for(j=0; j<pIdxInfo->nConstraint; j++){
- if( pIdxInfo->aConstraintUsage[j].argvIndex==i ){
- sqlite3ExprCode(pParse, wc.a[j].pExpr->pRight);
+ for(j=0; j<nConstraint; j++){
+ if( aUsage[j].argvIndex==i ){
+ int k = aConstraint[j].iTermOffset;
+ sqlite3ExprCode(pParse, wc.a[k].pExpr->pRight);
break;
}
}
- if( j==pIdxInfo->nConstraint ) break;
+ if( j==nConstraint ) break;
}
sqlite3VdbeAddOp(v, OP_Integer, i-1, 0);
- sqlite3VdbeAddOp(v, OP_Blob, pIdxInfo->nPlan, 0);
- sqlite3VdbeChangeP3(v, -1, pIdxInfo->zPlan, P3_DYNAMIC);
- pIdxInfo->zPlan = 0;
- sqlite3VdbeAddOp(v, OP_VFilter, iCur, brk);
- zSpace = (char *)sqliteMalloc(sizeof(sqlite3_value*)*(i-1));
- sqlite3VdbeChangeP3(v, -1, zSpace, P3_DYNAMIC);
+ sqlite3VdbeAddOp(v, OP_Integer, pIdxInfo->idxNum, 0);
+ sqlite3VdbeOp3(v, OP_VFilter, iCur, brk, pIdxInfo->idxStr,
+ pIdxInfo->needToFreeIdxStr ? P3_MPRINTF : P3_STATIC);
+ pIdxInfo->needToFreeIdxStr = 0;
for(i=0; i<pIdxInfo->nConstraint; i++){
if( pIdxInfo->aConstraintUsage[i].omit ){
disableTerm(pLevel, &wc.a[i]);
diff --git a/test/vtab1.test b/test/vtab1.test
index 2c29418eb..a48435ac2 100644
--- a/test/vtab1.test
+++ b/test/vtab1.test
@@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is creating and dropping virtual tables.
#
-# $Id: vtab1.test,v 1.10 2006/06/13 15:00:55 danielk1977 Exp $
+# $Id: vtab1.test,v 1.11 2006/06/13 23:51:35 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@@ -144,7 +144,7 @@ do_test vtab1-2.9 {
do_test vtab1-3.1 {
set echo_module ""
execsql {
- CREATE TABLE treal(a INTEGER, b VARCHAR(32), c);
+ CREATE TABLE treal(a INTEGER, b INTEGER, c);
CREATE INDEX treal_idx ON treal(b);
CREATE VIRTUAL TABLE t1 USING echo(treal);
}
@@ -181,29 +181,36 @@ do_test vtab1-3.6 {
execsql {
SELECT * FROM t1;
}
- set echo_module
-} {xBestIndex {} {} xFilter {}}
+} {1 2 3 4 5 6}
do_test vtab1-3.7 {
+ set echo_module
+} {xBestIndex {SELECT rowid, * FROM 'treal'} xFilter {SELECT rowid, * FROM 'treal'}}
+do_test vtab1-3.8 {
set echo_module ""
execsql {
- SELECT * FROM t1 WHERE b = 10;
+ SELECT * FROM t1 WHERE b = 5;
}
+} {4 5 6}
+do_test vtab1-3.9 {
set echo_module
-} {xBestIndex {WHERE b = ?} {} xFilter {WHERE b = ?} 10}
-do_test vtab1-3.8 {
+} {xBestIndex {SELECT rowid, * FROM 'treal' WHERE b = ?} xFilter {SELECT rowid, * FROM 'treal' WHERE b = ?} 5}
+do_test vtab1-3.10 {
set echo_module ""
execsql {
SELECT * FROM t1 WHERE b >= 5 AND b <= 10;
}
+} {4 5 6}
+do_test vtab1-3.11 {
set echo_module
-} {xBestIndex {WHERE b >= ? AND b <= ?} {} xFilter {WHERE b >= ? AND b <= ?} 5 10}
-do_test vtab1-3.9 {
+} {xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} xFilter {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 5 10}
+do_test vtab1-3.12 {
set echo_module ""
execsql {
- SELECT * FROM t1 WHERE b BETWEEN 5 AND 10;
+ SELECT * FROM t1 WHERE b BETWEEN 2 AND 10;
}
+} {1 2 3 4 5 6}
+do_test vtab1-3.13 {
set echo_module
-} {xBestIndex {WHERE b >= ? AND b <= ?} {} xFilter {WHERE b >= ? AND b <= ?} 5 10}
+} {xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} xFilter {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 2 10}
finish_test
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-18 16:26:19 +0000