For more information than you could ever want about how Windows does time and timers, see http://www.windowstimestamp.com/description
--- The fact that there's a Highway to Hell but only a Stairway to Heaven says a lot about anticipated traffic volume. >-----Original Message----- >From: sqlite-users [mailto:sqlite-users- >boun...@mailinglists.sqlite.org] On Behalf Of David Raymond >Sent: Wednesday, 12 September, 2018 12:12 >To: SQLite mailing list >Subject: Re: [sqlite] SQLITE touches unchanged expression indexes on >update > >Whoa, all sorts of undocumented stuff. Where did you find all these >and what they do? > >Not seen on https://www.sqlite.org/compile.html (But are seen in 3.24 >amalgamation): >SQLITE_DEFAULT_PROXYDIR_PERMISSIONS >SQLITE_DEFAULT_RECURSIVE_TRIGGERS >SQLITE_ENABLE_COSTMULT >SQLITE_ENABLE_CURSOR_HINTS >SQLITE_COUNTOFVIEW_OPTIMIZATION >SQLITE_EXPLAIN_ESTIMATED_ROWS >SQLITE_ENABLE_LOAD_EXTENSION >SQLITE_ENABLE_MODULE_COMMENTS >SQLITE_STAT4_SAMPLES >SQLITE_OS_WIN >SQLITE_OS_WINNT >SQLITE_USE_MALLOC_H >SQLITE_USE_MSIZE > >Search also not finding it in the 3.24 amalgamation either: >SQLITE_DEFAULT_TEMP_CACHE_SIZE >SQLITE_ENABLE_STAT_VTAB >SQLITE_ENABLE_UNIONVTAB >SQLITE_NOW_STABILITY_STMT >SQLITE_USE_PRECISE_TIME >SQLITE_DATETIME_NEW >SQLITE_WIN32_FILE_RANDOM > > >For my own I'm on Windows 7, apparently using MinGW-W64 with GCC >7.3.0 >Compiling from the 3.24.0 amalgamation, with only a couple tweaks to >shell.c to change the default settings. (.timer on, .eqp on, extra >newline to start the prompt, etc.) > >Apparently enable_explain_comments isn't included in the bit that >keeps track of things to report in pragma compile_options. >Also, apparently .version isn't listed in the .help output of the >CLI, but works. Wonder what else is missing. > > >Microsoft Windows [Version 6.1.7601] >Copyright (c) 2009 Microsoft Corporation. All rights reserved. > >D:\>sqlite3 >SQLite version 3.24.0 2018-06-04 19:24:41 >Enter ".help" for usage hints. >Connected to a transient in-memory database. >Use ".open FILENAME" to reopen on a persistent database. > >sqlite> .version >SQLite 3.24.0 2018-06-04 19:24:41 >c7ee0833225bfd8c5ec2f9bf62b97c4e04d03bd9566366d5221ac8fb199a87ca >gcc-7.3.0 > >sqlite> pragma compile_options; >compile_options >ALLOW_COVERING_INDEX_SCAN >COMPILER=gcc-7.3.0 >DEFAULT_AUTOMATIC_INDEX >DEFAULT_CACHE_SIZE=-65536 >DEFAULT_FILE_FORMAT=4 >DEFAULT_FOREIGN_KEYS >DEFAULT_JOURNAL_SIZE_LIMIT=0 >DEFAULT_LOCKING_MODE=0 >DEFAULT_MEMSTATUS >DEFAULT_MMAP_SIZE=0 >DEFAULT_PAGE_SIZE=4096 >DEFAULT_SYNCHRONOUS=0 >DEFAULT_WAL_AUTOCHECKPOINT=1 >DEFAULT_WAL_SYNCHRONOUS=0 >DEFAULT_WORKER_THREADS=4 >ENABLE_COLUMN_METADATA >ENABLE_DBSTAT_VTAB >ENABLE_MEMORY_MANAGEMENT >ENABLE_RTREE >ENABLE_STMT_SCANSTATUS >ENABLE_UNKNOWN_SQL_FUNCTION >LIKE_DOESNT_MATCH_BLOBS >MAX_ATTACHED=125 >MAX_EXPR_DEPTH=0 >MAX_MMAP_SIZE=0 >MAX_WORKER_THREADS=4 >OMIT_SHARED_CACHE >STMTJRNL_SPILL=4194304 >THREADSAFE=0 >USE_ALLOCA >Run Time: real 0.000 user 0.000000 sys 0.000000 > >sqlite> CREATE TABLE Foo(x, y, z); >QUERY PLAN >`--SEARCH TABLE sqlite_master USING INTEGER PRIMARY KEY (rowid=?) >Run Time: real 0.000 user 0.000000 sys 0.000000 > >sqlite> CREATE INDEX FooX on Foo(x); >Run Time: real 0.000 user 0.000000 sys 0.000000 > >sqlite> CREATE INDEX FooZ on Foo(z); >Run Time: real 0.000 user 0.000000 sys 0.000000 > >sqlite> CREATE INDEX FooLenZ on Foo(length(z)); >Run Time: real 0.000 user 0.000000 sys 0.000000 > >sqlite> explain UPDATE foo SET x=1 WHERE rowid=1; >addr opcode p1 p2 p3 p4 p5 comment >---- ------------- ---- ---- ---- ------------- -- ----------- >-- >0 Init 0 33 0 00 Start at 33 >1 Null 0 7 8 00 >r[7..8]=NULL >2 OpenWrite 0 2 0 3 00 root=2 >iDb=0; Foo >3 Explain 3 0 0 SEARCH TABLE foo USING INTEGER >PRIMARY KEY (rowid=?) 00 >4 Integer 1 12 0 00 r[12]=1 >5 SeekRowid 0 7 12 00 >intkey=r[12]; pk >6 Rowid 0 8 0 00 r[8]=rowid >7 OpenWrite 1 5 0 k(2,,) 00 root=5 >iDb=0; FooLenZ >8 OpenWrite 3 3 0 k(2,,) 00 root=3 >iDb=0; FooX >9 IsNull 8 32 0 00 if >r[8]==NULL goto 32 >10 Integer 1 9 0 00 r[9]=1 >11 Column 0 1 10 00 r[10]=Foo.y >12 Column 0 2 11 00 r[11]=Foo.z >13 Noop 0 0 0 00 uniqueness >check for FooLenZ >14 Copy 11 13 0 00 r[13]=r[11] >15 PureFunc0 0 13 2 length(1) 01 FooLenZ >column 0 >16 IntCopy 8 3 0 00 r[3]=r[8]; >rowid >17 MakeRecord 2 2 1 00 >r[1]=mkrec(r[2..3]); for FooLenZ >18 Noop 0 0 0 00 uniqueness >check for FooX >19 SCopy 9 5 0 00 r[5]=r[9]; >x >20 IntCopy 8 6 0 00 r[6]=r[8]; >rowid >21 MakeRecord 5 2 4 00 >r[4]=mkrec(r[5..6]); for FooX >22 Copy 11 13 0 00 r[13]=r[11] >23 PureFunc0 0 13 14 length(1) 01 >24 Rowid 0 15 0 00 r[15]=rowid >25 IdxDelete 1 14 2 00 >key=r[14..15] >26 Column 0 0 14 00 r[14]=Foo.x >27 IdxDelete 3 14 2 00 >key=r[14..15] >28 IdxInsert 1 1 2 2 00 key=r[1] >29 IdxInsert 3 4 5 2 00 key=r[4] >30 MakeRecord 9 3 13 00 >r[13]=mkrec(r[9..11]) >31 Insert 0 13 8 Foo 05 intkey=r[8] >data=r[13] >32 Halt 0 0 0 00 >33 Transaction 0 1 4 0 01 >usesStmtJournal=0 >34 Goto 0 1 0 00 >Run Time: real 0.062 user 0.000000 sys 0.015600 > >sqlite> > >-----Original Message----- >From: sqlite-users [mailto:sqlite-users- >boun...@mailinglists.sqlite.org] On Behalf Of Keith Medcalf >Sent: Wednesday, September 12, 2018 1:04 PM >To: SQLite mailing list >Subject: Re: [sqlite] SQLITE touches unchanged expression indexes on >update > > >The version is the current tip of trunk, compiler is MinGW GCC 8.1.0 >(on Windows 10) ... with the following options defined: > >#define _WIN32_WINNT 0x0600 >#define WINVER _WIN32_WINNT >#define SQLITE_DEFAULT_CACHE_SIZE 262144 // 1 GB >#define SQLITE_DEFAULT_TEMP_CACHE_SIZE 262144 // 1 GB >default: 500 pages >#define SQLITE_DEFAULT_FOREIGN_KEYS 1 // >default: 0 >#define SQLITE_DEFAULT_PAGE_SIZE 4096 // >default: 4096 max: 65536 >#define SQLITE_DEFAULT_WAL_AUTOCHECKPOINT 256 // >default: 1000 pages >#define SQLITE_DEFAULT_PROXYDIR_PERMISSIONS 0755 // >default: 0755 >#define SQLITE_DEFAULT_RECURSIVE_TRIGGERS 1 // >default: 0 >#define SQLITE_DEFAULT_SHARED_CACHE 0 // >default: 0 >#define SQLITE_DEFAULT_MMAP_SIZE 0 // >default: 0 >#define SQLITE_ALLOW_COVERING_INDEX_SCAN 1 >#define SQLITE_INTROSPECTION_PRAGMAS 1 // Add >Instropsection Pragmas >#define SQLITE_ENABLE_8_3_NAMES 1 >#define SQLITE_ENABLE_API_ARMOR 1 // Enable >API Armour >#define SQLITE_ENABLE_COLUMN_METADATA 1 >#define SQLITE_ENABLE_COSTMULT 1 >#define SQLITE_ENABLE_CURSOR_HINTS 1 >#define SQLITE_COUNTOFVIEW_OPTIMIZATION 1 >#define SQLITE_ENABLE_DBPAGE_VTAB 1 >#define SQLITE_ENABLE_DBSTAT_VTAB 1 >#define SQLITE_ENABLE_DESERIALIZE 1 >#define SQLITE_ENABLE_EXPLAIN_COMMENTS 1 >#define SQLITE_EXPLAIN_ESTIMATED_ROWS 1 >#define SQLITE_ENABLE_FTS3 1 >#define SQLITE_ENABLE_FTS3_PARENTHESIS 1 >#define SQLITE_ENABLE_FTS4 1 >#define SQLITE_ENABLE_FTS5 1 >#define SQLITE_ENABLE_JSON1 1 // Enable >JSON1 -- when standard extension >#define SQLITE_ENABLE_LOAD_EXTENSION 1 >#define SQLITE_ENABLE_LOCKING_STYLE 1 >#define SQLITE_ENABLE_MEMORY_MANAGEMENT 1 // Enable >Memory Management (sqlite3_release_memory) >#define SQLITE_ENABLE_MODULE_COMMENTS 1 >#define SQLITE_ENABLE_PREUPDATE_HOOK 1 >#define SQLITE_ENABLE_RTREE 1 >#define SQLITE_ENABLE_SORTER_REFERENCES 1 // Enable >Sorter References >#define SQLITE_ENABLE_STAT_VTAB 1 // Enable >dbstat_register called from shell >#define SQLITE_ENABLE_STAT1 1 >#define SQLITE_ENABLE_STAT2 1 >#define SQLITE_ENABLE_STAT3 1 >#define SQLITE_ENABLE_STAT4 1 >#define SQLITE_ENABLE_STMTVTAB 1 // Enable >Stmt VTAB >#define SQLITE_ENABLE_UNIONVTAB 1 // Enable >unionvtab >#define SQLITE_STAT4_SAMPLES 64 // >default: 24 samples >#define SQLITE_SOUNDEX 1 >#define SQLITE_THREADSAFE 1 // 0 = >Single Threaded, 1 = Serialized, 2 = Multithreaded >#define SQLITE_TEMP_STORE 2 // 0 = >Files Always, 1 = Files, 2 = Memory, 3 Memory Always >#define SQLITE_USE_URI 1 // Enable >URI Filenames >#define SQLITE_ALLOW_URI_AUTHORITY 1 // Allow >Authority (Host) in URI >#define SQLITE_MAX_ATTACHED 15 // >default: 10 max: 62 >#define SQLITE_OS_WIN 1 >#define SQLITE_OS_WINNT 1 >#define SQLITE_NOW_STABILITY_STMT 1 // Make >'now' stable within a statement, not only for a step >#define WHERE_PATH_SIMPLE 50 // Paths >to remember for 2-way joins >#define WHERE_PATH_COMPLEX 100 // Paths >to remember for >2-way joins >#define SQLITE_USE_PRECISE_TIME 1 // Use >GetSystemTimePreciseAsFileTime >#define SQLITE_DATETIME_NEW 1 // Use >New Datetime Functions >#define SQLITE_WIN32_FILE_RANDOM 1 // Force >Windows RANDOM access cache behaviour >#define SQLITE_DEFAULT_WAL_SYNCHRONOUS 1 // >Reduce Synchronous to NORMAL in WAL mode >#define SQLITE_DIRECT_OVERFLOW_READ 1 // Do >not cache overflow pages in SQLite pagecache >#define SQLITE_LIKE_DOESNT_MATCH_BLOBS 1 // >Disable LIKE matching for BLOBS >#define HAVE_FDATASYNC 1 >#define HAVE_GMTIME_R 1 >#define HAVE_LOCALTIME_S 1 >#define HAVE_USLEEP 1 >#define HAVE_UTIME 1 >#define UNICODE_STRING_MAX_BYTES ((WORD)65534) >#define UNICODE_STRING_MAX_CHARS (32766) >#define HAVE_ISNAN 1 >#define SQLITE_USE_MALLOC_H 1 >#define SQLITE_USE_MSIZE 1 >#define LONGDOUBLE_TYPE __float128 > >--- >The fact that there's a Highway to Hell but only a Stairway to Heaven >says a lot about anticipated traffic volume. > >>-----Original Message----- >>From: sqlite-users [mailto:sqlite-users- >>boun...@mailinglists.sqlite.org] On Behalf Of David Raymond >>Sent: Wednesday, 12 September, 2018 10:21 >>To: SQLite mailing list >>Subject: Re: [sqlite] SQLITE touches unchanged expression indexes on >>update >> >>A little weird and definitely differet, what version are you using >>and how are you compiling it? I checked with the precompiled Windows >>binary to make sure it wasn't something weird from my compilation, >>and it looks pretty close to my original, but different. So now I'm >>wondering where the noop's, explain's, and comments are coming from >>and what affects them. >> >> >>-----Original Message----- >>From: sqlite-users [mailto:sqlite-users- >>boun...@mailinglists.sqlite.org] On Behalf Of Keith Medcalf >>Sent: Wednesday, September 12, 2018 11:40 AM >>To: SQLite mailing list >>Subject: Re: [sqlite] SQLITE touches unchanged expression indexes on >>update >> >> >>Interesting ... I get different output with explain comments >enabled: >> >>addr opcode p1 p2 p3 p4 p5 comment >>---- ------------- ---- ---- ---- ------------- -- ---------- >- >>-- >>0 Init 0 41 0 00 Start at >41 >>1 Null 0 7 8 00 >>r[7..8]=NULL >>2 OpenWrite 0 2 0 3 00 root=2 >>iDb=0; Foo >>3 Noop 0 0 0 00 Begin >>WHERE-loop0: Foo >>4 Integer 1 12 0 00 r[12]=1 >>5 SeekRowid 0 9 12 00 >>intkey=r[12] >>6 Noop 0 0 0 00 Begin >>WHERE-core >>7 Rowid 0 8 0 00 r[8]=rowid >>8 Noop 0 0 0 00 End WHERE- >>core >>9 Noop 0 0 0 00 End WHERE- >>loop0: Foo >>10 OpenWrite 1 5 0 k(2,,) 00 root=5 >>iDb=0; FooLenZ >>11 OpenWrite 3 3 0 k(2,,) 00 root=3 >>iDb=0; FooX >>12 IsNull 8 40 0 00 if >>r[8]==NULL goto 40 >>13 Integer 1 9 0 00 r[9]=1 >>14 Column 0 1 10 00 >r[10]=Foo.y >>15 Column 0 2 11 00 >r[11]=Foo.z >>16 Noop 0 0 0 00 BEGIN: >>GenCnstCks(0,1,8,8,0) >>17 Noop 0 0 0 00 uniqueness >>check for FooLenZ >>18 Copy 11 13 0 00 >r[13]=r[11] >>19 PureFunc0 0 13 2 length(1) 01 FooLenZ >>column 0 >>20 IntCopy 8 3 0 00 r[3]=r[8]; >>rowid >>21 MakeRecord 2 2 1 00 >>r[1]=mkrec(r[2..3]); for FooLenZ >>22 Noop 0 0 0 00 uniqueness >>check for FooX >>23 SCopy 9 5 0 00 r[5]=r[9]; >>x >>24 IntCopy 8 6 0 00 r[6]=r[8]; >>rowid >>25 MakeRecord 5 2 4 00 >>r[4]=mkrec(r[5..6]); for FooX >>26 Noop 0 0 0 00 END: >>GenCnstCks(0) >>27 Noop 0 0 0 00 >>GenRowIdxDel for FooLenZ >>28 Column 0 2 13 40 >r[13]=Foo.z >>29 PureFunc0 0 13 14 length(1) 01 >>30 Rowid 0 15 0 00 >r[15]=rowid >>31 IdxDelete 1 14 2 00 >>key=r[14..15] >>32 Noop 0 0 0 00 >>GenRowIdxDel for FooX >>33 Column 0 0 14 00 >r[14]=Foo.x >>34 IdxDelete 3 14 2 00 >>key=r[14..15] >>35 Delete 0 68 8 Foo 00 >>36 IdxInsert 1 1 2 2 00 key=r[1] >>37 IdxInsert 3 4 5 2 00 key=r[4] >>38 MakeRecord 9 3 13 00 >>r[13]=mkrec(r[9..11]) >>39 Insert 0 13 8 Foo 05 >intkey=r[8] >>data=r[13] >>40 Halt 0 0 0 00 >>41 Transaction 0 1 4 0 01 >>usesStmtJournal=0 >>42 Goto 0 1 0 00 >> >> >> >>--- >>The fact that there's a Highway to Hell but only a Stairway to >Heaven >>says a lot about anticipated traffic volume. >> >> >>>-----Original Message----- >>>From: sqlite-users [mailto:sqlite-users- >>>boun...@mailinglists.sqlite.org] On Behalf Of David Raymond >>>Sent: Wednesday, 12 September, 2018 07:54 >>>To: SQLite mailing list >>>Subject: Re: [sqlite] SQLITE touches unchanged expression indexes >on >>>update >>> >>>Just showing with "explain comments" enabled. >>> >>> >>>sqlite> explain update foo set x = 1 where rowid = 1; >>>addr opcode p1 p2 p3 p4 p5 comment >>>---- ------------- ---- ---- ---- ------------- -- --------- >- >>- >>>-- >>>0 Init 0 33 0 00 Start at >>33 >>>1 Null 0 7 8 00 >>>r[7..8]=NULL >>>2 OpenWrite 0 2 0 3 00 root=2 >>>iDb=0; Foo >>>3 Explain 3 0 0 SEARCH TABLE foo USING >>INTEGER >>>PRIMARY KEY (rowid=?) 00 >>>4 Integer 1 12 0 00 r[12]=1 >>>5 SeekRowid 0 7 12 00 >>>intkey=r[12]; pk >>>6 Rowid 0 8 0 00 >r[8]=rowid >>>7 OpenWrite 1 5 0 k(2,,) 00 root=5 >>>iDb=0; FooLenZ >>>8 OpenWrite 3 3 0 k(2,,) 00 root=3 >>>iDb=0; FooX >>>9 IsNull 8 32 0 00 if >>>r[8]==NULL goto 32 >>>10 Integer 1 9 0 00 r[9]=1 >>>11 Column 0 1 10 00 >>r[10]=Foo.y >>>12 Column 0 2 11 00 >>r[11]=Foo.z >>>13 Noop 0 0 0 00 >uniqueness >>>check for FooLenZ >>>14 Copy 11 13 0 00 >>r[13]=r[11] >>>15 PureFunc0 0 13 2 length(1) 01 FooLenZ >>>column 0 >>>16 IntCopy 8 3 0 00 >r[3]=r[8]; >>>rowid >>>17 MakeRecord 2 2 1 00 >>>r[1]=mkrec(r[2..3]); for FooLenZ >>>18 Noop 0 0 0 00 >uniqueness >>>check for FooX >>>19 SCopy 9 5 0 00 >r[5]=r[9]; >>>x >>>20 IntCopy 8 6 0 00 >r[6]=r[8]; >>>rowid >>>21 MakeRecord 5 2 4 00 >>>r[4]=mkrec(r[5..6]); for FooX >>>22 Copy 11 13 0 00 >>r[13]=r[11] >>>23 PureFunc0 0 13 14 length(1) 01 >>>24 Rowid 0 15 0 00 >>r[15]=rowid >>>25 IdxDelete 1 14 2 00 >>>key=r[14..15] >>>26 Column 0 0 14 00 >>r[14]=Foo.x >>>27 IdxDelete 3 14 2 00 >>>key=r[14..15] >>>28 IdxInsert 1 1 2 2 00 key=r[1] >>>29 IdxInsert 3 4 5 2 00 key=r[4] >>>30 MakeRecord 9 3 13 00 >>>r[13]=mkrec(r[9..11]) >>>31 Insert 0 13 8 Foo 05 >>intkey=r[8] >>>data=r[13] >>>32 Halt 0 0 0 00 >>>33 Transaction 0 1 4 0 01 >>>usesStmtJournal=0 >>>34 Goto 0 1 0 00 >>> >>> >>>-----Original Message----- >>>From: sqlite-users [mailto:sqlite-users- >>>boun...@mailinglists.sqlite.org] On Behalf Of Deon Brewis >>>Sent: Tuesday, September 11, 2018 8:20 PM >>>To: SQLite mailing list >>>Subject: [sqlite] SQLITE touches unchanged expression indexes on >>>update >>> >>>It seems like there is an opportunity for improvement on updates if >>>an index contains expressions. >>> >>>In the following example: >>> >>>CREATE TABLE Foo(x, y, z); >>>CREATE INDEX FooX on Foo(x); >>>CREATE INDEX FooZ on Foo(z); >>>CREATE INDEX FooLenZ on Foo(length(z)); >>> >>>explain UPDATE foo SET x=1 WHERE rowid=1; >>> >>>I see the plan below. Notice it's updating FooLenZ even though the >>>'UPDATE foo SET x=1' statement doesn't touch the Z column at all. >It >>>doesn't try to update FooZ, just FooLenZ, but both should be >>>untouched. >>> >>>RecNo addr opcode p1 p2 p3 p4 p5 comment >>>----- ---- ----------- -- -- -- --------- -- ------- >>> 1 0 Init 0 30 0 00 (null) >>> 2 1 Null 0 7 8 00 (null) >>> 3 2 OpenWrite 0 2 0 3 00 (null) // opening >>'Foo' >>>(expected) >>> 4 3 Integer 1 12 0 00 (null) >>> 5 4 SeekRowid 0 6 12 00 (null) >>> 6 5 Rowid 0 8 0 00 (null) >>> 7 6 OpenWrite 1 5 0 k(2,,) 00 (null) // opening >>>'FooLenZ' (NOT expected) >>> 8 7 OpenWrite 3 3 0 k(2,,) 00 (null) // opening >>>'FooX' (expected) >>> 9 8 IsNull 8 29 0 00 (null) >>> 10 9 Integer 1 9 0 00 (null) >>> 11 10 Column 0 1 10 00 (null) >>> 12 11 Column 0 2 11 00 (null) >>> 13 12 Copy 11 13 0 00 (null) >>> 14 13 Function0 0 13 2 length(1) 01 (null) >>> 15 14 IntCopy 8 3 0 00 (null) >>> 16 15 MakeRecord 2 2 1 00 (null) >>> 17 16 SCopy 9 5 0 00 (null) >>> 18 17 IntCopy 8 6 0 00 (null) >>> 19 18 MakeRecord 5 2 4 00 (null) >>> 20 19 Copy 11 13 0 00 (null) >>> 21 20 Function0 0 13 14 length(1) 01 (null) >>> 22 21 Rowid 0 15 0 00 (null) >>> 23 22 IdxDelete 1 14 2 00 (null) >>> 24 23 Column 0 0 14 00 (null) >>> 25 24 IdxDelete 3 14 2 00 (null) >>> 26 25 IdxInsert 1 1 2 2 00 (null) // updating >>>'FooLenZ' (NOT expected) >>> 27 26 IdxInsert 3 4 5 2 00 (null) // updating >>>'FooX' (expected) >>> 28 27 MakeRecord 9 3 13 00 (null) >>> 29 28 Insert 0 13 8 Foo 05 (null) >>> 30 29 Halt 0 0 0 00 (null) >>> 31 30 Transaction 0 1 42 0 01 (null) >>> 32 31 Goto 0 1 0 00 (null) >>> >>>sqlite_master: >>>RecNo type name tbl_name rootpage sql >>>----- ----- ------- -------- -------- ----------------------------- >- >>- >>>------- >>> 1 table Foo Foo 2 CREATE TABLE Foo(x, y, z) >>> 2 index FooX Foo 3 CREATE INDEX FooX on Foo(x) >>> 3 index FooZ Foo 4 CREATE INDEX FooZ on Foo(z) >>> 4 index FooLenZ Foo 5 CREATE INDEX FooLenZ on >>>Foo(length(z)) >>> >>> >>> >>>_______________________________________________ >>>sqlite-users mailing list >>>sqlite-users@mailinglists.sqlite.org >>>http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite- >users >>>_______________________________________________ >>>sqlite-users mailing list >>>sqlite-users@mailinglists.sqlite.org >>>http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite- >users >> >> >> >>_______________________________________________ >>sqlite-users mailing list >>sqlite-users@mailinglists.sqlite.org >>http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >>_______________________________________________ >>sqlite-users mailing list >>sqlite-users@mailinglists.sqlite.org >>http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > > > >_______________________________________________ >sqlite-users mailing list >sqlite-users@mailinglists.sqlite.org >http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >_______________________________________________ >sqlite-users mailing list >sqlite-users@mailinglists.sqlite.org >http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
