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Overview
| Comment: | Use OP_VColumn instead of OP_Column when querying virtual tables for values to save in aggregate context records. #2230. (CVS 3644) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
cb78f7cb0f0bf0c799a929fd6ea30f25 |
| User & Date: | danielk1977 2007-02-14 09:19:36 |
Context
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2007-02-14
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| 12:32 | In the corrupt2.test script, change uses of (open ... a) to (open ... RDWR) to work around inconsistencies in behavior across various platforms. (CVS 3645) (check-in: 50e86b03 user: drh tags: trunk) | |
| 09:19 | Use OP_VColumn instead of OP_Column when querying virtual tables for values to save in aggregate context records. #2230. (CVS 3644) (check-in: cb78f7cb user: danielk1977 tags: trunk) | |
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2007-02-13
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| 15:01 | Add a new algorithm for handling INSERT which reduces fragmentation on a VACUUM. Ticket #2075. More testing needed. (CVS 3643) (check-in: 9f56a878 user: drh tags: trunk) | |
Changes
Changes to src/expr.c.
8 8 ** May you find forgiveness for yourself and forgive others. 9 9 ** May you share freely, never taking more than you give. 10 10 ** 11 11 ************************************************************************* 12 12 ** This file contains routines used for analyzing expressions and 13 13 ** for generating VDBE code that evaluates expressions in SQLite. 14 14 ** 15 -** $Id: expr.c,v 1.275 2007/02/07 13:09:46 drh Exp $ 15 +** $Id: expr.c,v 1.276 2007/02/14 09:19:36 danielk1977 Exp $ 16 16 */ 17 17 #include "sqliteInt.h" 18 18 #include <ctype.h> 19 19 20 20 /* 21 21 ** Return the 'affinity' of the expression pExpr if any. 22 22 ** ................................................................................ 2271 2271 if( pCol->iTable==pExpr->iTable && 2272 2272 pCol->iColumn==pExpr->iColumn ){ 2273 2273 break; 2274 2274 } 2275 2275 } 2276 2276 if( i>=pAggInfo->nColumn && (i = addAggInfoColumn(pAggInfo))>=0 ){ 2277 2277 pCol = &pAggInfo->aCol[i]; 2278 + pCol->pTab = pExpr->pTab; 2278 2279 pCol->iTable = pExpr->iTable; 2279 2280 pCol->iColumn = pExpr->iColumn; 2280 2281 pCol->iMem = pParse->nMem++; 2281 2282 pCol->iSorterColumn = -1; 2282 2283 pCol->pExpr = pExpr; 2283 2284 if( pAggInfo->pGroupBy ){ 2284 2285 int j, n;
Changes to src/select.c.
8 8 ** May you find forgiveness for yourself and forgive others. 9 9 ** May you share freely, never taking more than you give. 10 10 ** 11 11 ************************************************************************* 12 12 ** This file contains C code routines that are called by the parser 13 13 ** to handle SELECT statements in SQLite. 14 14 ** 15 -** $Id: select.c,v 1.326 2007/02/01 23:02:45 drh Exp $ 15 +** $Id: select.c,v 1.327 2007/02/14 09:19:36 danielk1977 Exp $ 16 16 */ 17 17 #include "sqliteInt.h" 18 18 19 19 20 20 /* 21 21 ** Delete all the content of a Select structure but do not deallocate 22 22 ** the select structure itself. ................................................................................ 3143 3143 j = pGroupBy->nExpr+1; 3144 3144 for(i=0; i<sAggInfo.nColumn; i++){ 3145 3145 struct AggInfo_col *pCol = &sAggInfo.aCol[i]; 3146 3146 if( pCol->iSorterColumn<j ) continue; 3147 3147 if( pCol->iColumn<0 ){ 3148 3148 sqlite3VdbeAddOp(v, OP_Rowid, pCol->iTable, 0); 3149 3149 }else{ 3150 - sqlite3VdbeAddOp(v, OP_Column, pCol->iTable, pCol->iColumn); 3150 + Table *pTab = pCol->pTab; 3151 + int op = (pTab && IsVirtual(pTab)) ? OP_VColumn : OP_Column; 3152 + sqlite3VdbeAddOp(v, op, pCol->iTable, pCol->iColumn); 3151 3153 } 3152 3154 j++; 3153 3155 } 3154 3156 sqlite3VdbeAddOp(v, OP_MakeRecord, j, 0); 3155 3157 sqlite3VdbeAddOp(v, OP_IdxInsert, sAggInfo.sortingIdx, 0); 3156 3158 sqlite3WhereEnd(pWInfo); 3157 3159 sqlite3VdbeAddOp(v, OP_Sort, sAggInfo.sortingIdx, addrEnd);
Changes to src/sqliteInt.h.
7 7 ** May you do good and not evil. 8 8 ** May you find forgiveness for yourself and forgive others. 9 9 ** May you share freely, never taking more than you give. 10 10 ** 11 11 ************************************************************************* 12 12 ** Internal interface definitions for SQLite. 13 13 ** 14 -** @(#) $Id: sqliteInt.h,v 1.536 2007/02/13 12:49:24 drh Exp $ 14 +** @(#) $Id: sqliteInt.h,v 1.537 2007/02/14 09:19:36 danielk1977 Exp $ 15 15 */ 16 16 #ifndef _SQLITEINT_H_ 17 17 #define _SQLITEINT_H_ 18 18 19 19 /* 20 20 ** Extra interface definitions for those who need them 21 21 */ ................................................................................ 918 918 ** from source tables rather than from accumulators */ 919 919 u8 useSortingIdx; /* In direct mode, reference the sorting index rather 920 920 ** than the source table */ 921 921 int sortingIdx; /* Cursor number of the sorting index */ 922 922 ExprList *pGroupBy; /* The group by clause */ 923 923 int nSortingColumn; /* Number of columns in the sorting index */ 924 924 struct AggInfo_col { /* For each column used in source tables */ 925 + Table *pTab; /* Source table */ 925 926 int iTable; /* Cursor number of the source table */ 926 927 int iColumn; /* Column number within the source table */ 927 928 int iSorterColumn; /* Column number in the sorting index */ 928 929 int iMem; /* Memory location that acts as accumulator */ 929 930 Expr *pExpr; /* The original expression */ 930 931 } *aCol; 931 932 int nColumn; /* Number of used entries in aCol[] */
Changes to src/vdbe.c.
39 39 ** 40 40 ** Various scripts scan this source file in order to generate HTML 41 41 ** documentation, headers files, or other derived files. The formatting 42 42 ** of the code in this file is, therefore, important. See other comments 43 43 ** in this file for details. If in doubt, do not deviate from existing 44 44 ** commenting and indentation practices when changing or adding code. 45 45 ** 46 -** $Id: vdbe.c,v 1.588 2007/01/27 13:37:22 drh Exp $ 46 +** $Id: vdbe.c,v 1.589 2007/02/14 09:19:37 danielk1977 Exp $ 47 47 */ 48 48 #include "sqliteInt.h" 49 49 #include "os.h" 50 50 #include <ctype.h> 51 51 #include "vdbeInt.h" 52 52 53 53 /* ................................................................................ 1932 1932 ** 1933 1933 ** We also compute the number of columns in the record. For cursors, 1934 1934 ** the number of columns is stored in the Cursor.nField element. For 1935 1935 ** records on the stack, the next entry down on the stack is an integer 1936 1936 ** which is the number of records. 1937 1937 */ 1938 1938 pC = p->apCsr[p1]; 1939 +#ifndef SQLITE_OMIT_VIRTUALTABLE 1940 + assert( pC->pVtabCursor==0 ); 1941 +#endif 1939 1942 assert( pC!=0 ); 1940 1943 if( pC->pCursor!=0 ){ 1941 1944 /* The record is stored in a B-Tree */ 1942 1945 rc = sqlite3VdbeCursorMoveto(pC); 1943 1946 if( rc ) goto abort_due_to_error; 1944 1947 zRec = 0; 1945 1948 pCrsr = pC->pCursor;
Changes to test/vtab2.test.
6 6 # May you do good and not evil. 7 7 # May you find forgiveness for yourself and forgive others. 8 8 # May you share freely, never taking more than you give. 9 9 # 10 10 #*********************************************************************** 11 11 # This file implements regression tests for SQLite library. 12 12 # 13 -# $Id: vtab2.test,v 1.6 2006/08/13 19:04:19 drh Exp $ 13 +# $Id: vtab2.test,v 1.7 2007/02/14 09:19:37 danielk1977 Exp $ 14 14 15 15 set testdir [file dirname $argv0] 16 16 source $testdir/tester.tcl 17 17 18 18 ifcapable !vtab||!schema_pragmas { 19 19 finish_test 20 20 return ................................................................................ 32 32 main schema 2 cid {} 0 {} 0 \ 33 33 main schema 3 name {} 0 {} 0 \ 34 34 main schema 4 type {} 0 {} 0 \ 35 35 main schema 5 not_null {} 0 {} 0 \ 36 36 main schema 6 dflt_value {} 0 {} 0 \ 37 37 main schema 7 pk {} 0 {} 0 \ 38 38 ] 39 + 40 +# See ticket #2230. 41 +# 42 +do_test vtab2-1.2 { 43 + execsql { 44 + SELECT length(tablename) FROM schema GROUP by tablename; 45 + } 46 +} {6} 47 +do_test vtab2-1.3 { 48 + execsql { 49 + SELECT tablename FROM schema GROUP by length(tablename); 50 + } 51 +} {schema} 52 +do_test vtab2-1.4 { 53 + execsql { 54 + SELECT length(tablename) FROM schema GROUP by length(tablename); 55 + } 56 +} {6} 39 57 40 58 register_tclvar_module [sqlite3_connection_pointer db] 41 59 do_test vtab2-2.1 { 42 60 set ::abc 123 43 61 execsql { 44 62 CREATE VIRTUAL TABLE vars USING tclvar; 45 63 SELECT * FROM vars WHERE name='abc';