Enable fts3 tables to use incremental merge by automatically creating the
%_stat table when it is needed. FossilOrigin-Name: cc051fc0b2d89603b27b94cf2afdbda417ee9d94
This commit is contained in:
drh
parent
61fa09dbf2
commit
6c2e7e19fa
@ -570,6 +570,18 @@ static void fts3DeclareVtab(int *pRc, Fts3Table *p){
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}
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}
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/*
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** Create the %_stat table if it does not already exist.
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*/
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void sqlite3Fts3CreateStatTable(int *pRc, Fts3Table *p){
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fts3DbExec(pRc, p->db,
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"CREATE TABLE IF NOT EXISTS %Q.'%q_stat'"
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"(id INTEGER PRIMARY KEY, value BLOB);",
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p->zDb, p->zName
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);
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if( (*pRc)==SQLITE_OK ) p->bHasStat = 1;
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}
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/*
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** Create the backing store tables (%_content, %_segments and %_segdir)
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** required by the FTS3 table passed as the only argument. This is done
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@ -631,10 +643,7 @@ static int fts3CreateTables(Fts3Table *p){
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);
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}
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if( p->bHasStat ){
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fts3DbExec(&rc, db,
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"CREATE TABLE %Q.'%q_stat'(id INTEGER PRIMARY KEY, value BLOB);",
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p->zDb, p->zName
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);
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sqlite3Fts3CreateStatTable(&rc, p);
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}
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return rc;
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}
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@ -1329,6 +1338,16 @@ static int fts3InitVtab(
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rc = fts3CreateTables(p);
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}
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/* Check to see if a legacy fts3 table has been "upgraded" by the
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** addition of a %_stat table so that it can use incremental merge.
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*/
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if( !isFts4 && !isCreate ){
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int rc2 = SQLITE_OK;
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fts3DbExec(&rc2, db, "SELECT 1 FROM %Q.'%q_stat' WHERE id=2",
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p->zDb, p->zName);
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if( rc2==SQLITE_OK ) p->bHasStat = 1;
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}
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/* Figure out the page-size for the database. This is required in order to
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** estimate the cost of loading large doclists from the database. */
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fts3DatabasePageSize(&rc, p);
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@ -493,6 +493,7 @@ void sqlite3Fts3Dequote(char *);
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void sqlite3Fts3DoclistPrev(int,char*,int,char**,sqlite3_int64*,int*,u8*);
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int sqlite3Fts3EvalPhraseStats(Fts3Cursor *, Fts3Expr *, u32 *);
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int sqlite3Fts3FirstFilter(sqlite3_int64, char *, int, char *);
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void sqlite3Fts3CreateStatTable(int*, Fts3Table*);
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/* fts3_tokenizer.c */
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const char *sqlite3Fts3NextToken(const char *, int *);
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@ -4668,7 +4668,11 @@ static int fts3DoIncrmerge(
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if( z[0]!='\0' || nMin<2 ){
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rc = SQLITE_ERROR;
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}else{
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rc = sqlite3Fts3Incrmerge(p, nMerge, nMin);
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rc = SQLITE_OK;
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if( !p->bHasStat ) sqlite3Fts3CreateStatTable(&rc, p);
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if( rc==SQLITE_OK ){
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rc = sqlite3Fts3Incrmerge(p, nMerge, nMin);
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}
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sqlite3Fts3SegmentsClose(p);
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}
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return rc;
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@ -4686,9 +4690,13 @@ static int fts3DoAutoincrmerge(
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Fts3Table *p, /* FTS3 table handle */
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const char *zParam /* Nul-terminated string containing boolean */
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){
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int rc;
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int rc = SQLITE_OK;
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sqlite3_stmt *pStmt = 0;
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p->bAutoincrmerge = fts3Getint(&zParam)!=0;
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if( !p->bHasStat ){
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sqlite3Fts3CreateStatTable(&rc, p);
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if( rc ) return rc;
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}
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rc = fts3SqlStmt(p, SQL_REPLACE_STAT, &pStmt, 0);
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if( rc ) return rc;;
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sqlite3_bind_int(pStmt, 1, FTS_STAT_AUTOINCRMERGE);
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19
manifest
19
manifest
@ -1,5 +1,5 @@
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C Fix\sa\sfailing\sassert()\sin\sthe\sFTS3_LOG_MERGES\srelated\scode.
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D 2012-03-24T17:09:11.161
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C Enable\sfts3\stables\sto\suse\sincremental\smerge\sby\sautomatically\screating\sthe\n%_stat\stable\swhen\sit\sis\sneeded.
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D 2012-03-24T17:29:05.827
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F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
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F Makefile.in 2f37e468503dbe79d35c9f6dffcf3fae1ae9ec20
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F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
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@ -63,9 +63,9 @@ F ext/fts3/README.content fdc666a70d5257a64fee209f97cf89e0e6e32b51
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F ext/fts3/README.syntax a19711dc5458c20734b8e485e75fb1981ec2427a
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F ext/fts3/README.tokenizers 998756696647400de63d5ba60e9655036cb966e9
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F ext/fts3/README.txt 8c18f41574404623b76917b9da66fcb0ab38328d
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F ext/fts3/fts3.c 10988e19ba78d846e5979a5118843e22822a0147
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F ext/fts3/fts3.c 95409b49801ee7736755d7e307e606571b754a58
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F ext/fts3/fts3.h 3a10a0af180d502cecc50df77b1b22df142817fe
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F ext/fts3/fts3Int.h 6d4ffaca18df57533a7d6240dbdd835c4f3f096a
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F ext/fts3/fts3Int.h eb749124db7c94b6f89d793cdd4d993a52c46646
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F ext/fts3/fts3_aux.c 5205182bd8f372782597888156404766edf5781e
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F ext/fts3/fts3_expr.c dbc7ba4c3a6061adde0f38ed8e9b349568299551
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F ext/fts3/fts3_hash.c 8dd2d06b66c72c628c2732555a32bc0943114914
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@ -78,7 +78,7 @@ F ext/fts3/fts3_test.c 6b7cc68aef4efb084e1449f7d20c4b20d3bdf6b4
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F ext/fts3/fts3_tokenizer.c 3da7254a9881f7e270ab28e2004e0d22b3212bce
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F ext/fts3/fts3_tokenizer.h 66dec98e365854b6cd2d54f1a96bb6d428fc5a68
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F ext/fts3/fts3_tokenizer1.c 5c98225a53705e5ee34824087478cf477bdb7004
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F ext/fts3/fts3_write.c ee3aeaa51aa633ada26e6d14073b1f893f094973
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F ext/fts3/fts3_write.c 6a092ee27198716969bfbaa2194aa67eabeb2ff6
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F ext/fts3/fts3speed.tcl b54caf6a18d38174f1a6e84219950d85e98bb1e9
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F ext/fts3/mkfts3amal.tcl 252ecb7fe6467854f2aa237bf2c390b74e71f100
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F ext/icu/README.txt bf8461d8cdc6b8f514c080e4e10dc3b2bbdfefa9
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@ -487,6 +487,7 @@ F test/fts3fault2.test b62a2bc843c20414405f80e5eeb78e39bc68fe53
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F test/fts3first.test dbdedd20914c8d539aa3206c9b34a23775644641
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F test/fts3malloc.test b86ea33db9e8c58c0c2f8027a9fcadaf6a1568be
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F test/fts3matchinfo.test 6507fe1c342e542300d65ea637d4110eccf894e6
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F test/fts3merge.test acb0be43658029565e7b448f8968149de80549d7
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F test/fts3near.test 2e318ee434d32babd27c167142e2b94ddbab4844
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F test/fts3prefix.test b36d4f00b128a51e7b386cc013a874246d9d7dc1
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F test/fts3prefix2.test 477ca96e67f60745b7ac931cfa6e9b080c562da5
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@ -997,7 +998,7 @@ F tool/tostr.awk e75472c2f98dd76e06b8c9c1367f4ab07e122d06
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F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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F tool/warnings-clang.sh 9f406d66e750e8ac031c63a9ef3248aaa347ef2a
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F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
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P af55ca5fc6778cb6d1a79a17dfa2d4e567ea1ccc
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R c679b33a6e75fcdd2f180faacc012668
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U dan
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Z 4d0762459d11aa2e9f32a4956c0ceb5b
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P 4220d52cb3426f1680b72d57ecc9f4ade029357d
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R d86044022236a45ab8294cd3002625f6
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U drh
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Z 5e5822ed626477e734b96980ea604331
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@ -1 +1 @@
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4220d52cb3426f1680b72d57ecc9f4ade029357d
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cc051fc0b2d89603b27b94cf2afdbda417ee9d94
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330
test/fts3merge.test
Normal file
330
test/fts3merge.test
Normal file
@ -0,0 +1,330 @@
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# 2012 March 06
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#*************************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this script is testing the incremental merge function.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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source $testdir/fts3_common.tcl
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set ::testprefix fts3merge
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# If SQLITE_ENABLE_FTS3 is defined, omit this file.
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ifcapable !fts3 {
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finish_test
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return
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}
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#-------------------------------------------------------------------------
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# Test cases 1.*
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#
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do_test 1.0 { fts3_build_db_1 1004 } {}
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do_test 1.1 { fts3_integrity_check t1 } {ok}
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do_execsql_test 1.1 {
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SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level
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} {
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0 {0 1 2 3 4 5 6 7 8 9 10 11}
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1 {0 1 2 3 4 5 6 7 8 9 10 11 12 13}
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2 {0 1 2}
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}
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for {set i 0} {$i<20} {incr i} {
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do_execsql_test 1.2.$i.1 { INSERT INTO t1(t1) VALUES('merge=1') }
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do_test 1.2.$i.2 { fts3_integrity_check t1 } ok
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do_execsql_test 1.2.$i.3 {
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SELECT docid FROM t1 WHERE t1 MATCH 'zero one two three'
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} {123 132 213 231 312 321}
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}
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do_execsql_test 1.3 {
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SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level
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} {
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0 {0 1 2 3}
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1 {0 1 2 3 4 5 6}
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2 {0 1 2 3}
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}
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for {set i 0} {$i<100} {incr i} {
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do_execsql_test 1.4.$i { INSERT INTO t1(t1) VALUES('merge=1,4') }
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do_test 1.4.$i.2 { fts3_integrity_check t1 } ok
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do_execsql_test 1.4.$i.3 {
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SELECT docid FROM t1 WHERE t1 MATCH 'zero one two three'
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} {123 132 213 231 312 321}
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}
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do_execsql_test 1.5 {
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SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level
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} {
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2 {0 1}
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3 0
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}
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#-------------------------------------------------------------------------
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# Test cases 2.* test that errors in the xxx part of the 'merge=xxx' are
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# handled correctly.
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#
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do_execsql_test 2.0 { CREATE VIRTUAL TABLE t2 USING fts3 }
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foreach {tn arg} {
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1 {merge=abc}
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2 {merge=%%%}
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3 {merge=,}
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4 {merge=5,}
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5 {merge=6,%}
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6 {merge=6,six}
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7 {merge=6,1}
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8 {merge=6,0}
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} {
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do_catchsql_test 2.$tn {
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INSERT INTO t2(t2) VALUES($arg);
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} {1 {SQL logic error or missing database}}
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}
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#-------------------------------------------------------------------------
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# Test cases 3.*
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#
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do_test 3.0 {
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reset_db
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execsql { PRAGMA page_size = 512 }
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fts3_build_db_2 30040
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} {}
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do_test 3.1 { fts3_integrity_check t2 } {ok}
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do_execsql_test 3.2 {
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SELECT level, group_concat(idx, ' ') FROM t2_segdir GROUP BY level
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} {
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0 {0 1 2 3 4 5 6}
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1 {0 1 2 3 4}
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2 {0 1 2 3 4}
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3 {0 1 2 3 4 5 6}
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}
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do_execsql_test 3.3 {
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INSERT INTO t2(t2) VALUES('merge=1000000,2');
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SELECT level, group_concat(idx, ' ') FROM t2_segdir GROUP BY level
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} {
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0 0
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2 0
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3 0
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4 0
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6 0
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}
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#-------------------------------------------------------------------------
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# Test cases 4.*
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#
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reset_db
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do_execsql_test 4.1 {
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PRAGMA page_size = 512;
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CREATE VIRTUAL TABLE t4 USING fts3;
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PRAGMA main.page_size;
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} {512}
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do_test 4.2 {
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foreach x {a c b d e f g h i j k l m n o p} {
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execsql "INSERT INTO t4 VALUES('[string repeat $x 600]')"
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}
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execsql {SELECT level, group_concat(idx, ' ') FROM t4_segdir GROUP BY level}
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} {0 {0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15}}
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foreach {tn expect} {
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1 "0 {0 1 2 3 4 5 6 7 8 9 10 11 12 13} 1 0"
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2 "0 {0 1 2 3 4 5 6 7 8 9 10 11 12} 1 0"
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3 "0 {0 1 2 3 4 5 6 7 8 9 10 11} 1 0"
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4 "0 {0 1 2 3 4 5 6 7 8 9 10} 1 0"
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5 "0 {0 1 2 3 4 5 6 7 8 9} 1 0"
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6 "0 {0 1 2 3 4 5 6 7 8} 1 0"
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7 "0 {0 1 2 3 4 5 6 7} 1 0"
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8 "0 {0 1 2 3 4 5 6} 1 0"
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9 "0 {0 1 2 3 4 5} 1 0"
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} {
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do_execsql_test 4.3.$tn {
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INSERT INTO t4(t4) VALUES('merge=1,16');
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SELECT level, group_concat(idx, ' ') FROM t4_segdir GROUP BY level;
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} $expect
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}
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do_execsql_test 4.4.1 {
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SELECT quote(value) FROM t4_stat WHERE rowid=1
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} {X'0006'}
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do_execsql_test 4.4.2 {
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DELETE FROM t4_stat WHERE rowid=1;
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INSERT INTO t4(t4) VALUES('merge=1,12');
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SELECT level, group_concat(idx, ' ') FROM t4_segdir GROUP BY level;
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} "0 {0 1 2 3 4 5} 1 0"
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#-------------------------------------------------------------------------
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# Test cases 5.*
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#
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# Test that if a crisis-merge occurs that disrupts an ongoing incremental
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# merge, the next call to "merge=A,B" identifies this and starts a new
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# incremental merge. There are two scenarios:
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#
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# * There are less segments on the input level that the disrupted
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# incremental merge operated on, or
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#
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# * Sufficient segments exist on the input level but the segments
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# contain keys smaller than the largest key in the potential output
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# segment.
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#
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do_test 5.1 {
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reset_db
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fts3_build_db_1 1000
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} {}
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do_execsql_test 5.2 {
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SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level;
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} {
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0 {0 1 2 3 4 5 6 7}
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1 {0 1 2 3 4 5 6 7 8 9 10 11 12 13}
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2 {0 1 2}
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}
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do_execsql_test 5.3 {
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INSERT INTO t1(t1) VALUES('merge=1,4');
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SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level;
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} {
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0 {0 1 2 3 4 5 6 7}
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1 {0 1 2 3 4 5 6 7 8 9 10 11 12 13}
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2 {0 1 2 3}
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}
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do_execsql_test 5.4 {SELECT quote(value) from t1_stat WHERE rowid=1} {X'0104'}
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do_test 5.5 {
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foreach docid [execsql {SELECT docid FROM t1}] {
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execsql {INSERT INTO t1 SELECT * FROM t1 WHERE docid=$docid}
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}
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} {}
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do_execsql_test 5.6 {SELECT quote(value) from t1_stat WHERE rowid=1} {X'0104'}
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do_execsql_test 5.7 {
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SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level;
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SELECT quote(value) from t1_stat WHERE rowid=1;
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} {
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0 {0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15}
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1 {0 1 2 3 4 5 6 7 8 9 10 11}
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2 {0 1 2 3 4 5 6 7}
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X'0104'
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}
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do_execsql_test 5.8 {
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INSERT INTO t1(t1) VALUES('merge=1,4');
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SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level;
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SELECT quote(value) from t1_stat WHERE rowid=1;
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} {
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0 {0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15}
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1 {0 1 2 3 4 5 6 7 8 9 10 11}
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2 {0 1 2 3 4 5 6 7}
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3 {0}
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X'0204'
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}
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do_test 5.9 {
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set L [expr 16*16*8 + 16*4 + 1]
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foreach docid [execsql {
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SELECT docid FROM t1 UNION ALL SELECT docid FROM t1 LIMIT $L
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}] {
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execsql {INSERT INTO t1 SELECT * FROM t1 WHERE docid=$docid}
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}
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} {}
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do_execsql_test 5.10 {
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SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level;
|
||||
SELECT quote(value) from t1_stat WHERE rowid=1;
|
||||
} {
|
||||
0 0 1 0 2 0 3 {0 1}
|
||||
X'0204'
|
||||
}
|
||||
|
||||
do_execsql_test 5.11 {
|
||||
INSERT INTO t1(t1) VALUES('merge=10,4');
|
||||
SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level;
|
||||
SELECT quote(value) from t1_stat WHERE rowid=1;
|
||||
} {
|
||||
0 0 1 0 2 0 3 {0 1}
|
||||
X'0000'
|
||||
}
|
||||
|
||||
#-------------------------------------------------------------------------
|
||||
# Test cases 6.*
|
||||
#
|
||||
# At one point the following test caused an assert() to fail (because the
|
||||
# second 'merge=1,2' operation below actually "merges" a single input
|
||||
# segment, which was unexpected).
|
||||
#
|
||||
do_test 6.1 {
|
||||
reset_db
|
||||
set a [string repeat a 900]
|
||||
set b [string repeat b 900]
|
||||
set c [string repeat c 900]
|
||||
set d [string repeat d 900]
|
||||
execsql {
|
||||
CREATE VIRTUAL TABLE t1 USING fts3;
|
||||
BEGIN;
|
||||
INSERT INTO t1 VALUES($a);
|
||||
INSERT INTO t1 VALUES($b);
|
||||
COMMIT;
|
||||
BEGIN;
|
||||
INSERT INTO t1 VALUES($c);
|
||||
INSERT INTO t1 VALUES($d);
|
||||
COMMIT;
|
||||
}
|
||||
|
||||
execsql {
|
||||
INSERT INTO t1(t1) VALUES('merge=1,2');
|
||||
INSERT INTO t1(t1) VALUES('merge=1,2');
|
||||
}
|
||||
} {}
|
||||
|
||||
#-------------------------------------------------------------------------
|
||||
# Test cases 7.*
|
||||
#
|
||||
# Test that the value returned by sqlite3_total_changes() increases by
|
||||
# 1 following a no-op "merge=A,B", or by more than 1 if actual work is
|
||||
# performed.
|
||||
#
|
||||
do_test 7.0 {
|
||||
reset_db
|
||||
fts3_build_db_1 1000
|
||||
} {}
|
||||
|
||||
do_execsql_test 7.1 {
|
||||
SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level
|
||||
} {
|
||||
0 {0 1 2 3 4 5 6 7}
|
||||
1 {0 1 2 3 4 5 6 7 8 9 10 11 12 13}
|
||||
2 {0 1 2}
|
||||
}
|
||||
do_test 7.2 {
|
||||
set x [db total_changes]
|
||||
execsql { INSERT INTO t1(t1) VALUES('merge=2,10') }
|
||||
expr { ([db total_changes] - $x)>1 }
|
||||
} {1}
|
||||
do_test 7.3 {
|
||||
set x [db total_changes]
|
||||
execsql { INSERT INTO t1(t1) VALUES('merge=200,10') }
|
||||
expr { ([db total_changes] - $x)>1 }
|
||||
} {1}
|
||||
do_test 7.4 {
|
||||
set x [db total_changes]
|
||||
execsql { INSERT INTO t1(t1) VALUES('merge=200,10') }
|
||||
expr { ([db total_changes] - $x)>1 }
|
||||
} {0}
|
||||
do_test 7.5 {
|
||||
set x [db total_changes]
|
||||
execsql { INSERT INTO t1(t1) VALUES('merge=200,10') }
|
||||
expr { ([db total_changes] - $x)>1 }
|
||||
} {0}
|
||||
|
||||
finish_test
|
||||
Loading…
x
Reference in New Issue
Block a user