Add implementation of sqlite3_intck_suspend().

FossilOrigin-Name: c36ada868da74e030ff5002de1f3b31b639b0c43714b91c2e5ca0eda16bb6bc2
This commit is contained in:
dan 2024-02-19 18:03:53 +00:00
parent 99a94a124c
commit cfc62ceefd
7 changed files with 157 additions and 82 deletions

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@ -167,8 +167,8 @@ do_test 3.2 {
sqlite3 db test.db
} {}
puts "[intck_sql db x1a]"
execsql_pp "EXPLAIN QUERY PLAN [intck_sql db x1a]"
#puts "[intck_sql db x1a]"
#execsql_pp "EXPLAIN QUERY PLAN [intck_sql db x1a]"
do_intck_test 3.3 {
{entry (4,'six',5) missing from index x1a}
}
@ -185,6 +185,11 @@ do_execsql_test 4.0 {
INSERT INTO www VALUES(1, 1, 1), (2, 2, 2);
}
#puts [intck_sql db w1]
#execsql_pp [intck_sql db www]
#execsql_pp [intck_sql db w1]
#puts [intck_sql db w1]
do_intck_test 4.1 { }
finish_test

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@ -43,8 +43,8 @@ imposter_edit i1 {
}
do_intck_test 1.1 {
{entry ('two',2) missing from index i1}
{surplus entry ('four',4) in index i1}
{entry ('two',2) missing from index i1}
}
#-------------------------------------------------------------------------
@ -61,9 +61,7 @@ do_execsql_test 2.0 {
}
do_intck_test 2.1 {}
puts [intck_sql db x1]
#puts [intck_sql db x1]
finish_test

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@ -15,7 +15,7 @@ if {![info exists testdir]} {
}
source $testdir/tester.tcl
proc do_intck {db} {
proc do_intck {db {bSuspend 0}} {
set ic [sqlite3_intck $db main ""]
set ret [list]
@ -24,6 +24,7 @@ proc do_intck {db} {
if {$msg!=""} {
lappend ret $msg
}
if {$bSuspend} { $ic suspend }
}
set err [$ic error]
@ -43,7 +44,8 @@ proc intck_sql {db tbl} {
}
proc do_intck_test {tn expect} {
uplevel [list do_test $tn [list do_intck db] [list {*}$expect]]
uplevel [list do_test $tn.a [list do_intck db] [list {*}$expect]]
uplevel [list do_test $tn.b [list do_intck db 1] [list {*}$expect]]
}

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@ -20,10 +20,10 @@ struct sqlite3_intck {
sqlite3 *db;
const char *zDb; /* Copy of zDb parameter to _open() */
sqlite3_stmt *pListTables;
char *zObj; /* Current object. Or NULL. */
char *zKey; /* Key saved by _suspect() call. */
sqlite3_stmt *pCheck;
int nCheck;
int rc; /* SQLite error code */
char *zErr; /* Error message */
@ -58,11 +58,15 @@ static sqlite3_stmt *intckPrepare(sqlite3_intck *p, const char *zFmt, ...){
p->rc = sqlite3_prepare_v2(p->db, zSql, -1, &pRet, 0);
fflush(stdout);
if( p->rc!=SQLITE_OK ){
#if 1
printf("ERROR: %s\n", zSql);
printf("MSG: %s\n", sqlite3_errmsg(p->db));
#endif
if( sqlite3_error_offset(p->db)>=0 ){
#if 1
int iOff = sqlite3_error_offset(p->db);
printf("AT: %.40s\n", &zSql[iOff]);
#endif
}
fflush(stdout);
intckSaveErrmsg(p);
@ -82,27 +86,6 @@ static void intckFinalize(sqlite3_intck *p, sqlite3_stmt *pStmt){
}
}
/*
** Return an SQL statement that will itself return a single row for each
** table in the target schema. The row contains two columns:
**
** 0: table_name - name of table
** 1: without_rowid - true for WITHOUT ROWID tables, false otherwise.
**
*/
static sqlite3_stmt *intckListTables(sqlite3_intck *p){
return intckPrepare(p,
"WITH tables(table_name) AS ("
" SELECT name"
" FROM %Q.sqlite_schema WHERE type='table' OR type='index'"
" UNION ALL "
" SELECT 'sqlite_schema'"
")"
"SELECT * FROM tables"
, p->zDb
);
}
static char *intckStrdup(sqlite3_intck *p, const char *zIn){
char *zOut = 0;
if( p->rc==SQLITE_OK ){
@ -117,6 +100,42 @@ static char *intckStrdup(sqlite3_intck *p, const char *zIn){
return zOut;
}
static void intckFindObject(sqlite3_intck *p){
sqlite3_stmt *pStmt = 0;
char *zPrev = p->zObj;
p->zObj = 0;
assert( p->rc==SQLITE_OK );
pStmt = intckPrepare(p,
"WITH tables(table_name) AS ("
" SELECT name"
" FROM %Q.sqlite_schema WHERE type='table' OR type='index'"
" UNION ALL "
" SELECT 'sqlite_schema'"
")"
"SELECT table_name FROM tables "
"WHERE ?1 IS NULL OR table_name%s?1 "
"ORDER BY 1"
, p->zDb, (p->zKey ? ">=" : ">")
);
if( p->rc==SQLITE_OK ){
sqlite3_bind_text(pStmt, 1, zPrev, -1, SQLITE_TRANSIENT);
if( sqlite3_step(pStmt)==SQLITE_ROW ){
p->zObj = intckStrdup(p, (const char*)sqlite3_column_text(pStmt, 0));
}
}
intckFinalize(p, pStmt);
/* If this is a new object, ensure the previous key value is cleared. */
if( sqlite3_stricmp(p->zObj, zPrev) ){
sqlite3_free(p->zKey);
p->zKey = 0;
}
sqlite3_free(zPrev);
}
/*
** Return the size in bytes of the first token in nul-terminated buffer z.
** For the purposes of this call, a token is either:
@ -314,7 +333,11 @@ static void intckExec(sqlite3_intck *p, const char *zSql){
intckFinalize(p, pStmt);
}
static char *intckCheckObjectSql(sqlite3_intck *p, const char *zObj){
static char *intckCheckObjectSql(
sqlite3_intck *p,
const char *zObj,
const char *zPrev
){
char *zRet = 0;
sqlite3_stmt *pStmt = 0;
int bAutoIndex = 0;
@ -427,45 +450,61 @@ static char *intckCheckObjectSql(sqlite3_intck *p, const char *zObj){
/* Table idxname contains a single row. The first column, "db", contains
** the name of the db containing the table (e.g. "main") and the second,
** "tab", the name of the table itself. */
"WITH tabname(db, tab, idx) AS ("
" SELECT %Q, (SELECT tbl_name FROM %Q.sqlite_schema WHERE name=%Q), %Q "
"WITH tabname(db, tab, idx, prev) AS ("
" SELECT %Q, (SELECT tbl_name FROM %Q.sqlite_schema WHERE name=%Q), "
" %Q, %Q "
")"
"%s" /* zCommon */
""
", case_statement(c) AS ("
" SELECT "
" 'CASE WHEN (' || group_concat(col_alias, ', ') || ') IS (\n ' "
" 'CASE WHEN (' || group_concat(col_alias, ', ') || ') IS (\n ' "
" || 'SELECT ' || group_concat(col_expr, ', ') || ' FROM '"
" || format('%%Q.%%Q NOT INDEXED WHERE %%s\n)', t.db, t.tab, p.eq_pk)"
" || '\nTHEN NULL\n'"
" || format('%%Q.%%Q NOT INDEXED WHERE %%s\n', t.db, t.tab, p.eq_pk)"
" || ' )\n THEN NULL\n '"
" || 'ELSE format(''surplus entry ('"
" || group_concat('%%s', ',') || ',' || p.ps_pk"
" || ') in index ' || t.idx || ''', ' "
" || group_concat('quote('||i.col_alias||')', ', ') || ', ' || p.pk_pk"
" || ')'"
" || '\nEND'"
" || '\nEND AS error_message'"
" FROM tabname t, tabpk p, idx_cols i WHERE i.idx_name=t.idx"
")"
""
", thiskey(k) AS ("
" SELECT format('format(''(%%s,%%s)'', %%s, %%s) AS thiskey', "
" group_concat('%%s', ','), p.ps_pk, "
" group_concat('quote('||i.col_alias||')',', '), p.pk_pk"
" ) FROM tabpk p, idx_cols i WHERE i.idx_name=p.idx"
")"
""
", whereclause(w_c) AS ("
" SELECT CASE WHEN prev!='' THEN "
" '\nWHERE (' || group_concat(i.col_alias, ',') || ',' "
" || o_pk || ') > ' || prev"
" ELSE ''"
" END"
" FROM tabpk, tabname, idx_cols i WHERE i.idx_name=tabpk.idx"
")"
""
", main_select(m) AS ("
" SELECT format("
" 'WITH %%s\nSELECT %%s\nFROM intck_wrapper AS o',"
" ww.s, c"
" 'WITH %%s\nSELECT %%s,\n%%s\nFROM intck_wrapper AS o%%s',"
" ww.s, c, t.k, whereclause.w_c"
" )"
" FROM case_statement, wrapper_with ww"
" FROM case_statement, wrapper_with ww, thiskey t, whereclause"
")"
"SELECT m FROM main_select"
, p->zDb, p->zDb, zObj, zObj
, zCommon
, zPrev, zCommon
);
}else{
pStmt = intckPrepare(p,
/* Table tabname contains a single row. The first column, "db", contains
** the name of the db containing the table (e.g. "main") and the second,
** "tab", the name of the table itself. */
"WITH tabname(db, tab, idx) AS (SELECT %Q, %Q, NULL)"
"WITH tabname(db, tab, idx, prev) AS (SELECT %Q, %Q, NULL, %Q)"
""
"%s" /* zCommon */
@ -505,18 +544,41 @@ static char *intckCheckObjectSql(sqlite3_intck *p, const char *zObj){
" '\nEND AS error_message'"
" FROM numbered"
")"
""
/* This table contains a single row consisting of a single value -
** the text of an SQL expression that may be used by the main SQL
** statement to output an SQL literal that can be used to resume
** the scan if it is suspended. e.g. for a rowid table, an expression
** like:
**
** format('(%d,%d)', _rowid_, n.ii)
*/
", thiskey(k) AS ("
" SELECT 'format(''(' || ps_pk || ',%%d)'', ' || pk_pk || ', n.ii)'"
" FROM tabpk"
")"
""
", whereclause(w_c) AS ("
" SELECT CASE WHEN prev!='' THEN "
" '\nWHERE (' || o_pk ||', n.ii) > ' || prev"
" ELSE ''"
" END"
" FROM tabpk, tabname"
")"
""
", main_select(m) AS ("
" SELECT format("
" '%%s, %%s\nSELECT %%s\nFROM intck_wrapper AS o"
", intck_counter AS n ORDER BY %%s', "
" w, ww.s, c, t.o_pk"
" '%%s, %%s\nSELECT %%s,\n%%s AS thiskey\nFROM intck_wrapper AS o"
", intck_counter AS n%%s\nORDER BY %%s', "
" w, ww.s, c, thiskey.k, whereclause.w_c, t.o_pk"
" )"
" FROM case_statement, tabpk t, counter_with, wrapper_with ww"
" FROM case_statement, tabpk t, counter_with, "
" wrapper_with ww, thiskey, whereclause"
")"
"SELECT m FROM main_select",
p->zDb, zObj, zCommon
p->zDb, zObj, zPrev, zCommon
);
}
@ -542,10 +604,11 @@ static char *intckCheckObjectSql(sqlite3_intck *p, const char *zObj){
}
static void intckCheckObject(sqlite3_intck *p){
const char *zTab = (const char*)sqlite3_column_text(p->pListTables, 0);
char *zSql = intckCheckObjectSql(p, zTab);
char *zSql = intckCheckObjectSql(p, p->zObj, p->zKey);
p->pCheck = intckPrepare(p, "%s", zSql);
sqlite3_free(zSql);
sqlite3_free(p->zKey);
p->zKey = 0;
}
int sqlite3_intck_open(
@ -582,6 +645,8 @@ void sqlite3_intck_close(sqlite3_intck *p){
p->db, "parse_create_index", 1, SQLITE_UTF8, 0, 0, 0, 0
);
}
sqlite3_free(p->zObj);
sqlite3_free(p->zKey);
sqlite3_free(p->zTestSql);
sqlite3_free(p->zErr);
sqlite3_free(p);
@ -589,26 +654,19 @@ void sqlite3_intck_close(sqlite3_intck *p){
int sqlite3_intck_step(sqlite3_intck *p){
if( p->rc==SQLITE_OK ){
if( p->pListTables==0 ){
p->pListTables = intckListTables(p);
}
assert( p->pListTables || p->rc!=SQLITE_OK );
if( p->rc==SQLITE_OK && p->pCheck==0 ){
if( sqlite3_step(p->pListTables)==SQLITE_ROW ){
intckCheckObject(p);
}else{
int rc = sqlite3_finalize(p->pListTables);
if( rc==SQLITE_OK ){
p->rc = SQLITE_DONE;
if( p->pCheck==0 ){
intckFindObject(p);
if( p->rc==SQLITE_OK ){
if( p->zObj ){
intckCheckObject(p);
}else{
intckSaveErrmsg(p);
p->rc = SQLITE_DONE;
}
p->pListTables = 0;
}
}
if( p->rc==SQLITE_OK ){
assert( p->pCheck );
if( sqlite3_step(p->pCheck)==SQLITE_ROW ){
/* Fine, whatever... */
}else{
@ -635,13 +693,28 @@ int sqlite3_intck_error(sqlite3_intck *p, const char **pzErr){
return (p->rc==SQLITE_DONE ? SQLITE_OK : p->rc);
}
int sqlite3_intck_suspend(sqlite3_intck *pCk){
return SQLITE_OK;
int sqlite3_intck_suspend(sqlite3_intck *p){
if( p->pCheck && p->rc==SQLITE_OK ){
assert( p->zKey==0 );
p->zKey = intckStrdup(p, (const char*)sqlite3_column_text(p->pCheck, 1));
intckFinalize(p, p->pCheck);
p->pCheck = 0;
}
return p->rc;
}
const char *sqlite3_intck_test_sql(sqlite3_intck *p, const char *zObj){
sqlite3_free(p->zTestSql);
p->zTestSql = intckCheckObjectSql(p, zObj);
if( zObj ){
p->zTestSql = intckCheckObjectSql(p, zObj, 0);
}else{
if( p->zObj ){
p->zTestSql = intckCheckObjectSql(p, p->zObj, p->zKey);
}else{
sqlite3_free(p->zTestSql);
p->zTestSql = 0;
}
}
return p->zTestSql;
}

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@ -113,7 +113,7 @@ static int testIntckCmd(
case 5: assert( 0==strcmp("test_sql", aCmd[iIdx].zName) ); {
const char *zObj = Tcl_GetString(objv[2]);
const char *zSql = sqlite3_intck_test_sql(p->intck, zObj);
const char *zSql = sqlite3_intck_test_sql(p->intck, zObj[0] ? zObj : 0);
Tcl_SetObjResult(interp, Tcl_NewStringObj(zSql, -1));
break;
}

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@ -1,5 +1,5 @@
C Add\sstart\sof\sextension\sfor\sincremental\sintegrity-checks\sto\sext/intck/.
D 2024-02-17T20:55:01.343
C Add\simplementation\sof\ssqlite3_intck_suspend().
D 2024-02-19T18:03:53.963
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -248,12 +248,12 @@ F ext/fts5/tool/showfts5.tcl d54da0e067306663e2d5d523965ca487698e722c
F ext/icu/README.txt 7ab7ced8ae78e3a645b57e78570ff589d4c672b71370f5aa9e1cd7024f400fc9
F ext/icu/icu.c c074519b46baa484bb5396c7e01e051034da8884bad1a1cb7f09bbe6be3f0282
F ext/icu/sqliteicu.h fa373836ed5a1ee7478bdf8a1650689294e41d0c89c1daab26e9ae78a32075a8
F ext/intck/intck1.test 0fcf3696b59aff6c344553647d612921dd529600796ff7172c02679955cecdcf
F ext/intck/intck2.test dd06719eca145b317ae380c81f04cd8a096a7cfdb71074cc6b6e7f195058b0d0
F ext/intck/intck_common.tcl 1f2599d50033d21d5df89f5ed54cc29af472d86e3927e116db50c5ba94d903b9
F ext/intck/sqlite3intck.c 14300998e91cd8788f483d97e53be9406f2c0be8af1867f399b80fef5e3721fb
F ext/intck/intck1.test c831bc6ff67da3c5b6c9568640f87ad0442d4fc98ef97bc837133b94bcc645b3
F ext/intck/intck2.test b65d7f627342f767e1d2c447d25619666cec36f516786dd56568bd741e5d7e67
F ext/intck/intck_common.tcl 2895854e7aaf5e199a15f6f82538a00999fd8fc55553bc1f04619af7aa86c0d0
F ext/intck/sqlite3intck.c 703ff16bc936192cff20d06b015d66279f4594e88371c00b18d17fec4f01ff5c
F ext/intck/sqlite3intck.h 342ee2e2c7636b4daf29fa195d0a3a658272b76b283d586fba50f6bc80fc143d
F ext/intck/test_intck.c 3f9a950978842340df7492f0a4190022979f23ff904e90873a5e262adf30b78c
F ext/intck/test_intck.c eb596269c4a690a9b8ee689b1e52ff6e3306013ec706e319d5b97af05a08f0b9
F ext/jni/GNUmakefile 59eb05f2a363bdfac8d15d66bed624bfe1ff289229184f3861b95f98a19cf4b2
F ext/jni/README.md d899789a9082a07b99bf30b1bbb6204ae57c060efcaa634536fa669323918f42
F ext/jni/jar-dist.make 030aaa4ae71dd86e4ec5e7c1e6cd86f9dfa47c4592c070d2e35157e42498e1fa
@ -2168,11 +2168,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 7fca1bc482fc2456d75392eb42f768fda72631c9070de46b8123b1126e78306f
R f8dccfe308ed2507020014beca90ae47
T *branch * incr-integrity-check
T *sym-incr-integrity-check *
T -sym-trunk *
P 444e3c9210026da7eae1ed98850722e002433aa2cc77dbc6b6f80327a6b7a390
R 6b69910b5d388b58f98078e173b37781
U dan
Z 8b8b6eda2ec7249d41ba58db982258fb
Z 3045521be4122627d743cbd6c4ab9b9c
# Remove this line to create a well-formed Fossil manifest.

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@ -1 +1 @@
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c36ada868da74e030ff5002de1f3b31b639b0c43714b91c2e5ca0eda16bb6bc2