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Set the NULLEQ flag on the sequence counter comparison in the ORDER BY LIMIT

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optimization, to avoid coverage complaints about not testing the NULL case.

FossilOrigin-Name: ed1b30dc932a7c03e173b130c5f55f9989c7e0b4
This commit is contained in:
drh
2016-05-20 13:44:58 +00:00
parent 73fa4737ce
commit 6326d9f6f1
3 changed files with 8 additions and 7 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C A\sfew\ssimple\stest\scases\sfor\sthe\sORDER\sBY\sLIMIT\soptimization.
D 2016-05-20T00:21:42.961
C Set\sthe\sNULLEQ\sflag\son\sthe\ssequence\scounter\scomparison\sin\sthe\sORDER\sBY\sLIMIT\noptimization,\sto\savoid\scoverage\scomplaints\sabout\snot\stesting\sthe\sNULL\scase.
D 2016-05-20T13:44:58.389
F Makefile.in f59e0763ff448719fc1bd25513882b0567286317
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 306d73e854b1a92ea06e5d1e637faa5c44de53c7
@@ -378,7 +378,7 @@ F src/printf.c a5f0ca08ddede803c241266abb46356ec748ded1
F src/random.c ba2679f80ec82c4190062d756f22d0c358180696
F src/resolve.c cca3aa77b95706df5d635a2141a4d1de60ae6598
F src/rowset.c 49eb91c588a2bab36647368e031dc5b66928149d
F src/select.c 131eeddfcaf3777c4acd4727bf742b98af8183b5
F src/select.c a0c4abf54bc6bd3a9c77a36ef3d1676045706cb2
F src/shell.c 14ff7f660530a52b117d110ba3390b7b2eb719b6
F src/sqlite.h.in 9984129d86243424b765fcb3f147c697bd20bb54
F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
@@ -1490,7 +1490,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 990fe50c9182f74c9b54a12602c4c30d891273e6
R b3508f6593a9fbd22c3973de159c4a41
P 08849eab0f6ef29eaf6d2ce9c692de9b953dbd27
R 8c75a4632edf1c4d959356bd614336cd
U drh
Z 1bcf9218783f46102cc72fd7dcd4a1fb
Z 54e2cd90f1a7f48806580b84bc51f48b

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manifest.uuid
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@@ -1 +1 @@
08849eab0f6ef29eaf6d2ce9c692de9b953dbd27
ed1b30dc932a7c03e173b130c5f55f9989c7e0b4

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src/select.c
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@@ -611,6 +611,7 @@ static void pushOntoSorter(
** LIMIT+OFFSET entries of the sorter. */
int iBrk = sqlite3VdbeCurrentAddr(v) + 2;
sqlite3VdbeAddOp3(v, OP_Eq, regBase+nExpr, iBrk, r1);
sqlite3VdbeChangeP5(v, SQLITE_NULLEQ);
VdbeCoverage(v);
}
sqlite3VdbeJumpHere(v, addr);