Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
Comment: | Add an interface to the SQLITE_STMTSTATUS_AUTOINDEX status information to the TCL bindings. Add some simple automatic index test cases. |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | experimental |
Files: | files | file ages | folders |
SHA1: |
1f40441204d9a912b1d6b67ff6ff9e17 |
User & Date: | drh 2010-04-07 19:32:00.000 |
Context
2010-04-07
| ||
20:32 | Pull over the latest changes from the trunk. (check-in: e388fe8be8 user: drh tags: experimental) | |
19:32 | Add an interface to the SQLITE_STMTSTATUS_AUTOINDEX status information to the TCL bindings. Add some simple automatic index test cases. (check-in: 1f40441204 user: drh tags: experimental) | |
16:54 | Wrap all automatic index changes inside SQLITE_OMIT_AUTOMATIC_INDEX. Add the automatic_index PRAGMA to turn it on and off. (check-in: a811a47fbe user: drh tags: experimental) | |
Changes
Changes to src/tclsqlite.c.
︙ | ︙ | |||
128 129 130 131 132 133 134 | 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 */ | | | 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | 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 */ int nStep, nSort, nIndex; /* Statistics for most recent operation */ int nTransaction; /* Number of nested [transaction] methods */ }; struct IncrblobChannel { sqlite3_blob *pBlob; /* sqlite3 blob handle */ SqliteDb *pDb; /* Associated database connection */ int iSeek; /* Current seek offset */ |
︙ | ︙ | |||
1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 | if( p->pArray ){ dbEvalRowInfo(p, 0, 0); } rcs = sqlite3_reset(pStmt); pDb->nStep = sqlite3_stmt_status(pStmt,SQLITE_STMTSTATUS_FULLSCAN_STEP,1); pDb->nSort = sqlite3_stmt_status(pStmt,SQLITE_STMTSTATUS_SORT,1); dbReleaseColumnNames(p); p->pPreStmt = 0; if( rcs!=SQLITE_OK ){ /* If a run-time error occurs, report the error and stop reading ** the SQL. */ Tcl_SetObjResult(pDb->interp, dbTextToObj(sqlite3_errmsg(pDb->db))); | > | 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 | if( p->pArray ){ dbEvalRowInfo(p, 0, 0); } rcs = sqlite3_reset(pStmt); pDb->nStep = sqlite3_stmt_status(pStmt,SQLITE_STMTSTATUS_FULLSCAN_STEP,1); pDb->nSort = sqlite3_stmt_status(pStmt,SQLITE_STMTSTATUS_SORT,1); pDb->nIndex = sqlite3_stmt_status(pStmt,SQLITE_STMTSTATUS_AUTOINDEX,1); dbReleaseColumnNames(p); p->pPreStmt = 0; if( rcs!=SQLITE_OK ){ /* If a run-time error occurs, report the error and stop reading ** the SQL. */ Tcl_SetObjResult(pDb->interp, dbTextToObj(sqlite3_errmsg(pDb->db))); |
︙ | ︙ | |||
2524 2525 2526 2527 2528 2529 2530 | rc = TCL_ERROR; } sqlite3_close(pSrc); break; } /* | | > > | > | 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 | rc = TCL_ERROR; } sqlite3_close(pSrc); break; } /* ** $db status (step|sort|autoindex) ** ** Display SQLITE_STMTSTATUS_FULLSCAN_STEP or ** SQLITE_STMTSTATUS_SORT for the most recent eval. */ case DB_STATUS: { int v; const char *zOp; if( objc!=3 ){ Tcl_WrongNumArgs(interp, 2, objv, "(step|sort)"); return TCL_ERROR; } zOp = Tcl_GetString(objv[2]); if( strcmp(zOp, "step")==0 ){ v = pDb->nStep; }else if( strcmp(zOp, "sort")==0 ){ v = pDb->nSort; }else if( strcmp(zOp, "autoindex")==0 ){ v = pDb->nIndex; }else{ Tcl_AppendResult(interp, "bad argument: should be autoindex, step, or sort", (char*)0); return TCL_ERROR; } Tcl_SetObjResult(interp, Tcl_NewIntObj(v)); break; } |
︙ | ︙ |
Added test/autoindex1.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | # 2010 April 07 # # 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. # #************************************************************************* # This file implements regression tests for SQLite library. The # focus of this script is testing automatic index creation logic. # set testdir [file dirname $argv0] source $testdir/tester.tcl # If the library is not compiled with automatic index support then # skip all tests in this file. # ifcapable {!autoindex} { finish_test return } # With automatic index turned off, we do a full scan of the T2 table do_test autoindex1-100 { db eval { CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(1,11); INSERT INTO t1 VALUES(2,22); INSERT INTO t1 SELECT a+2, b+22 FROM t1; INSERT INTO t1 SELECT a+4, b+44 FROM t1; CREATE TABLE t2(c,d); INSERT INTO t2 SELECT a, 900+b FROM t1; } db eval { PRAGMA automatic_index=OFF; SELECT b, d FROM t1 JOIN t2 ON a=c ORDER BY b; } } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988} do_test autoindex1-101 { db status step } {63} do_test autoindex1-102 { db status autoindex } {0} # With autoindex turned on, we build an index once and then use that index # to find T2 values. do_test autoindex1-110 { db eval { PRAGMA automatic_index=ON; SELECT b, d FROM t1 JOIN t2 ON a=c ORDER BY b; } } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988} do_test autoindex1-111 { db status step } {7} do_test autoindex1-112 { db status autoindex } {7} # The same test as above, but this time the T2 query is a subquery rather # than a join. do_test autoindex1-200 { db eval { PRAGMA automatic_index=OFF; SELECT b, (SELECT d FROM t2 WHERE c=a) FROM t1; } } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988} do_test autoindex1-201 { db status step } {35} do_test autoindex1-202 { db status autoindex } {0} do_test autoindex1-210 { db eval { PRAGMA automatic_index=ON; SELECT b, (SELECT d FROM t2 WHERE c=a) FROM t1; } } {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988} do_test autoindex1-211 { db status step } {7} do_test autoindex1-212 { db status autoindex } {7} finish_test |