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Do not mark the ephemeral tables used to hold the RHS of IN clauses as

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unordered because the NGQP will use those ephemeral tables to help order the
output.  This is not an issue for standard SQLite since ephemeral tables
there are always ordered, regardless of the hint.  It only affects systems
that substitute an alternative storage engine.

FossilOrigin-Name: f2504089df0bf4011864e67825b37f6aa3d03458
This commit is contained in:
drh
2014-02-04 23:45:45 +00:00
parent ee06c99b49
commit e08ecad58a
3 changed files with 7 additions and 8 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Remove\sthe\sSF_Materialize\sflag\sfrom\sthe\sSELECT\sobject\sas\sit\sdoes\snot\naccomplish\sanything\suseful. C Do\snot\smark\sthe\sephemeral\stables\sused\sto\shold\sthe\sRHS\sof\sIN\sclauses\sas\nunordered\sbecause\sthe\sNGQP\swill\suse\sthose\sephemeral\stables\sto\shelp\sorder\sthe\noutput.\s\sThis\sis\snot\san\sissue\sfor\sstandard\sSQLite\ssince\sephemeral\stables\nthere\sare\salways\sordered,\sregardless\sof\sthe\shint.\s\sIt\sonly\saffects\ssystems\nthat\ssubstitute\san\salternative\sstorage\sengine.
D 2014-02-04T20:46:41.282 D 2014-02-04T23:45:45.488
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81 F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -175,7 +175,7 @@ F src/complete.c dc1d136c0feee03c2f7550bafc0d29075e36deac
F src/ctime.c 77779efbe78dd678d84bfb4fc2e87b6b6ad8dccd F src/ctime.c 77779efbe78dd678d84bfb4fc2e87b6b6ad8dccd
F src/date.c 593c744b2623971e45affd0bde347631bdfa4625 F src/date.c 593c744b2623971e45affd0bde347631bdfa4625
F src/delete.c 6765a421f08adbedc5d52d21760ec6dbe5123fd3 F src/delete.c 6765a421f08adbedc5d52d21760ec6dbe5123fd3
F src/expr.c e3e09af908b968305d4efeda8dc3499a087ee7d2 F src/expr.c 2c710c35a05486d8e2e142bff1e66bac6ed39a35
F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
F src/fkey.c 2ab0f5384b70594468ef3ac5c7ed8ca24bfd17d5 F src/fkey.c 2ab0f5384b70594468ef3ac5c7ed8ca24bfd17d5
F src/func.c f4499b39d66b71825514334ce67b32ff14bd19f5 F src/func.c f4499b39d66b71825514334ce67b32ff14bd19f5
@@ -1152,7 +1152,7 @@ F tool/vdbe-compress.tcl 0cf56e9263a152b84da86e75a5c0cdcdb7a47891
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
P 3e1a3f68d7457ff708222a3448404b593f018fc2 P 65d5dcddbd34dfb2733a7a908c7c652ce2d610fe
R ade75eb85514e63b06c7a5a5e6c85df2 R 0cb9b0d02c191eb29e623ef228773cac
U drh U drh
Z e551af7aa0a37f40c066574f60e01273 Z 4064cb60834c8d1598bb0abfd98d0dc6

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@@ -1 +1 @@
65d5dcddbd34dfb2733a7a908c7c652ce2d610fe f2504089df0bf4011864e67825b37f6aa3d03458

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src/expr.c
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@@ -1763,7 +1763,6 @@ int sqlite3CodeSubselect(
*/ */
pExpr->iTable = pParse->nTab++; pExpr->iTable = pParse->nTab++;
addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pExpr->iTable, !isRowid); addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pExpr->iTable, !isRowid);
if( rMayHaveNull==0 ) sqlite3VdbeChangeP5(v, BTREE_UNORDERED);
pKeyInfo = isRowid ? 0 : sqlite3KeyInfoAlloc(pParse->db, 1, 1); pKeyInfo = isRowid ? 0 : sqlite3KeyInfoAlloc(pParse->db, 1, 1);
if( ExprHasProperty(pExpr, EP_xIsSelect) ){ if( ExprHasProperty(pExpr, EP_xIsSelect) ){