Unpack some fields, adding some space back to the VdbeCursor object,

in order to help the code to run a little faster.

FossilOrigin-Name: f8d5efcd7b92492b833b6cd1cb6bec006c6a0809

diff --git a/manifest b/manifest
index ad3978696741f824f2c870c58177cca2f9145b75..b28f74bcf315892d009550366df89eb092d98eb3 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Reduce\sthe\ssize\sof\sthe\sVdbeCursor\sobject\sfrom\s144\sto\s120\sbytes.
-D 2013-11-20T21:51:33.976
+C Unpack\ssome\sfields,\sadding\ssome\sspace\sback\sto\sthe\sVdbeCursor\sobject,\nin\sorder\sto\shelp\sthe\scode\sto\srun\sa\slittle\sfaster.
+D 2013-11-21T00:10:35.929
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 8a07bebafbfda0eb67728f4bd15a36201662d1a1
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -280,9 +280,9 @@ F src/update.c c05a0ee658f1a149e0960dfd110f3b8bd846bcb0
 F src/utf.c 6fc6c88d50448c469c5c196acf21617a24f90269
 F src/util.c 2fa6c821d28bbdbeec1b2a7b091a281c9ef8f918
 F src/vacuum.c 3728d74919d4fb1356f9e9a13e27773db60b7179
-F src/vdbe.c b55581dbd26eee6a03a7c673e9080db306fb8113
+F src/vdbe.c fb6007ac59ebebf398ce1709f9cef367bfd15dce
 F src/vdbe.h c06f0813f853566457ce9cfb1a4a4bc39a5da644
-F src/vdbeInt.h fc6a1ca59e679cb27f55fd2bc7d91cfb963251dd
+F src/vdbeInt.h 7cb3c641d42154ea0c66055ca77557005ff4535d
 F src/vdbeapi.c 93a22a9ba2abe292d5c2cf304d7eb2e894dde0ed
 F src/vdbeaux.c c592609996435944837b8906fbbcfcfac0714c90
 F src/vdbeblob.c 8cd05a5630e6d5563ad017bf82edaf812b28acde
@@ -1140,7 +1140,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
 F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
-P 0e05679db7aa302a49e087a81f85203844b98cbe
-R 25fcd0453526b0fb55425cafc8bedd31
+P 5f9d50688508affd0bc8e4d52e21dacfacdbb5ce
+R 11a6306351cf31959d33e284a4627112
 U drh
-Z 51316cd0cd8c72b5a20c8e69a256a48d
+Z 5afd15b6c955a3c65a923acb8d5d260f

diff --git a/manifest.uuid b/manifest.uuid
index 66bae4760dfedcffeaa2f7e5d24cd9cbe9ebec0f..b0ba0a8bff2c7fa694e13a48a2ca8aa42790b14f 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-5f9d50688508affd0bc8e4d52e21dacfacdbb5ce
\ No newline at end of file
+f8d5efcd7b92492b833b6cd1cb6bec006c6a0809
\ No newline at end of file

diff --git a/src/vdbe.c b/src/vdbe.c
index f01d2cc33ca04b6a39e612b052b633925fb9cc98..d50a23fb859253bc17d9fd2e448ae53e16764708 100644 (file)
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -3759,7 +3759,7 @@ case OP_Found: {        /* jump, in3 */
   if( rc!=SQLITE_OK ){
     break;
   }
-  pC->seekResult = res==0 ? 0 : res<0 ? -1 : +1;
+  pC->seekResult = res;
   alreadyExists = (res==0);
   pC->nullRow = 1-alreadyExists;
   pC->deferredMoveto = 0;
@@ -3813,7 +3813,7 @@ case OP_NotExists: {        /* jump, in3 */
     pc = pOp->p2 - 1;
     assert( pC->rowidIsValid==0 );
   }
-  pC->seekResult = res==0 ? 0 : res<0 ? -1 : +1;
+  pC->seekResult = res;
   break;
 }
 
@@ -4036,7 +4036,7 @@ case OP_InsertInt: {
   i64 iKey;         /* The integer ROWID or key for the record to be inserted */
   VdbeCursor *pC;   /* Cursor to table into which insert is written */
   int nZero;        /* Number of zero-bytes to append */
-  i8 seekResult;    /* Result of prior seek or 0 if no USESEEKRESULT flag */
+  int seekResult;   /* Result of prior seek or 0 if no USESEEKRESULT flag */
   const char *zDb;  /* database name - used by the update hook */
   const char *zTbl; /* Table name - used by the opdate hook */
   int op;           /* Opcode for update hook: SQLITE_UPDATE or SQLITE_INSERT */

diff --git a/src/vdbeInt.h b/src/vdbeInt.h
index 4820df7af601161b8fae81b3497ccccea00ffb17..b1b7f2eacca45bd8b1fabf675b1031c239bb0e7f 100644 (file)
--- a/src/vdbeInt.h
+++ b/src/vdbeInt.h
@@ -61,15 +61,15 @@ struct VdbeCursor {
   BtCursor *pCursor;    /* The cursor structure of the backend */
   Btree *pBt;           /* Separate file holding temporary table */
   KeyInfo *pKeyInfo;    /* Info about index keys needed by index cursors */
+  int seekResult;       /* Result of previous sqlite3BtreeMoveto() */
   int pseudoTableReg;   /* Register holding pseudotable content. */
   i16 nField;           /* Number of fields in the header */
   u16 nHdrParsed;       /* Number of header fields parsed so far */
   i8 iDb;               /* Index of cursor database in db->aDb[] (or -1) */
-  i8 seekResult;        /* Result of previous sqlite3BtreeMoveto() */
-  Bool nullRow:1;       /* True if pointing to a row with no data */
-  Bool rowidIsValid :1; /* True if lastRowid is valid */
+  u8 nullRow;           /* True if pointing to a row with no data */
+  u8 rowidIsValid;      /* True if lastRowid is valid */
+  u8 deferredMoveto;    /* A call to sqlite3BtreeMoveto() is needed */
   Bool useRandomRowid:1;/* Generate new record numbers semi-randomly */
-  Bool deferredMoveto:1;/* A call to sqlite3BtreeMoveto() is needed */
   Bool isTable:1;       /* True if a table requiring integer keys */
   Bool isOrdered:1;     /* True if the underlying table is BTREE_UNORDERED */
   Bool multiPseudo:1;   /* Multi-register pseudo-cursor */