Performance optimization and size reduction in the OP_Variable opcode.

FossilOrigin-Name: 237aa97452e20c312f256a8fd62531e3d447f84b

diff --git a/manifest b/manifest
index 01cee64cec955ce85d966f63d9f1d6529421fe6a..10b70530cc3cd7207fa49b2df82f2cfdf3086751 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\stypo\sin\sa\scomment.\s\sNo\schanges\sto\scode.
-D 2017-01-09T18:22:54.898
+C Performance\soptimization\sand\ssize\sreduction\sin\sthe\sOP_Variable\sopcode.
+D 2017-01-09T19:27:04.729
 F Makefile.in 41bd4cad981487345c4a84081074bcdb876e4b2e
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc b8ca53350ae545e3562403d5da2a69cec79308da
@@ -455,7 +455,7 @@ F src/update.c 1da7c462110bffed442a42884cb0d528c1db46d8
 F src/utf.c 699001c79f28e48e9bcdf8a463da029ea660540c
 F src/util.c a88b0466fddf445ce752226d4698ca3faada620a
 F src/vacuum.c 33c174b28886b2faf26e503b5a49a1c01a9b1c16
-F src/vdbe.c 5c7338cc8b28c76a9fb680e18640fee948ae29b2
+F src/vdbe.c 51f0fb39cdd5f2307009887ff9aef075d5926a04
 F src/vdbe.h b0866e4191f096f1c987a84b042c3599bdf5423b
 F src/vdbeInt.h 281cb70332dc8b593b8c7afe776f3a2ba7d4255e
 F src/vdbeapi.c d6ebaa465f070eb1af8ba4e7b34583ece87bdd24
@@ -1543,7 +1543,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 6e106acd74da3baa5c308a76443d2f0a7c904e5e
-R bda8577547e21933c26bcd960cf7cb5b
-U mistachkin
-Z 7c89ce1d26860a2c4a6e46981671fc16
+P d38fd22935b1572f4481b39c2f9274329b18ea99
+R 7ff563d3f468514013639946cf62a576
+U drh
+Z 47a0f13bc9d8903e7619705d6d0461a8

diff --git a/manifest.uuid b/manifest.uuid
index 27218e961a59ef35a1b0c7cbef8b2bf32ffc0cf8..7009855f8c3efc781cd132fab0d020cf0ae3f687 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-d38fd22935b1572f4481b39c2f9274329b18ea99
\ No newline at end of file
+237aa97452e20c312f256a8fd62531e3d447f84b
\ No newline at end of file

diff --git a/src/vdbe.c b/src/vdbe.c
index 3f165d9e89aaa5425e67e121b776c2c4abfc5c1b..3f8dbd34c074699363c1af0d649749667c8e0b60 100644 (file)
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -1195,7 +1195,7 @@ case OP_Variable: {            /* out2 */
   if( sqlite3VdbeMemTooBig(pVar) ){
     goto too_big;
   }
-  pOut = out2Prerelease(p, pOp);
+  pOut = &aMem[pOp->p2];
   sqlite3VdbeMemShallowCopy(pOut, pVar, MEM_Static);
   UPDATE_MAX_BLOBSIZE(pOut);
   break;