Minor cleanups in sqlite3Int.h. By reordering some fields in the Parse

object, it packs more tightly and uses less memory and less CPU to
initialize.

FossilOrigin-Name: aa6de539c09faa320b68c63659e602107145c4263fa680d5b40fe4d7d7ac4534

diff --git a/manifest b/manifest
index 771b3d5cc119368bb985f25f857a558a691fdc39..26ed34f8d1329f04c16fa40e866cd26a502e48ca 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\san\sissue\sin\sthe\samalgamation\sgenerator\sin\swhich\sit\swas\snot\scorrectly\nexpanding\sthe\sSQLite\sversion\sin\sthe\sheader\scomment.
-D 2023-08-08T16:53:12.113
+C Minor\scleanups\sin\ssqlite3Int.h.\s\sBy\sreordering\ssome\sfields\sin\sthe\sParse\nobject,\sit\spacks\smore\stightly\sand\suses\sless\smemory\sand\sless\sCPU\sto\ninitialize.
+D 2023-08-08T17:36:03.881
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -649,7 +649,7 @@ F src/shell.c.in 694aaf751f00610381533d4a31c83d142cfc83ef91ef65e2aa6912ace7c39b4
 F src/sqlite.h.in 7b07a33d2af82ee974aa91e6294abce0282b2f4c5934b291d2fff961810dd867
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h da473ce2b3d0ae407a6300c4a164589b9a6bfdbec9462688a8593ff16f3bb6e4
-F src/sqliteInt.h bdf30ea8552626736f7fc2d216beb4e6ee556d1afc39d20afa1697ea259463ca
+F src/sqliteInt.h 025ed58a41968ef80d64cdc194caa8dd207b0256b147253d762fdac7a62408f9
 F src/sqliteLimit.h 33b1c9baba578d34efe7dfdb43193b366111cdf41476b1e82699e14c11ee1fb6
 F src/status.c 160c445d7d28c984a0eae38c144f6419311ed3eace59b44ac6dafc20db4af749
 F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
@@ -2050,8 +2050,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 27ff86e4d8d251dbbcc9f0682d3d7b040518cbeee891cfe253661d1fdbec4e4f
-R c20236f0402451a8637d8162cefac63e
+P 293f6191e9b328cb8a8d3fff0f7bd5a6f5390b5ff090497a170c791b6ea22917
+R 13de6fab3751f215b8cb399b0a8433e9
 U drh
-Z 866595e1403d7c5e711a1be0d84c07b9
+Z 9646a5d58abf6d956e75b2b4249fce92
 # Remove this line to create a well-formed Fossil manifest.

diff --git a/manifest.uuid b/manifest.uuid
index fb6b8fe7f145b1f22c258544693520ef5d6a75cc..a11170fc8e1354bd843717742c10a8ff932ed74e 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-293f6191e9b328cb8a8d3fff0f7bd5a6f5390b5ff090497a170c791b6ea22917
\ No newline at end of file
+aa6de539c09faa320b68c63659e602107145c4263fa680d5b40fe4d7d7ac4534
\ No newline at end of file

diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 0e029ddceeaee9244b7483645f439812ff3c833e..c2a9f855a7a9a490deb78f79b63b93c6aced3ddc 100644 (file)
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -894,7 +894,7 @@ typedef INT16_TYPE LogEst;
 /*
 ** P is one byte past the end of a large buffer. Return true if a span of bytes
 ** between S..E crosses the end of that buffer.  In other words, return true
-** if the sub-buffer S..E-1 overflows the buffer show last byte is P-1.
+** if the sub-buffer S..E-1 overflows the buffer whose last byte is P-1.
 **
 ** S is the start of the span.  E is one byte past the end of end of span.
 **
@@ -1257,7 +1257,6 @@ typedef struct Cte Cte;
 typedef struct CteUse CteUse;
 typedef struct Db Db;
 typedef struct DbFixer DbFixer;
-typedef struct DblDbl DblDbl;
 typedef struct Schema Schema;
 typedef struct Expr Expr;
 typedef struct ExprList ExprList;
@@ -3778,6 +3777,9 @@ struct Parse {
   int regRoot;         /* Register holding root page number for new objects */
   int nMaxArg;         /* Max args passed to user function by sub-program */
   int nSelect;         /* Number of SELECT stmts. Counter for Select.selId */
+#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
+  u32 nProgressSteps;  /* xProgress steps taken during sqlite3_prepare() */
+#endif
 #ifndef SQLITE_OMIT_SHARED_CACHE
   int nTableLock;        /* Number of locks in aTableLock */
   TableLock *aTableLock; /* Required table locks for shared-cache mode */
@@ -3791,12 +3793,9 @@ struct Parse {
     int addrCrTab;         /* Address of OP_CreateBtree on CREATE TABLE */
     Returning *pReturning; /* The RETURNING clause */
   } u1;
-  LogEst nQueryLoop;   /* Est number of iterations of a query (10*log2(N)) */
   u32 oldmask;         /* Mask of old.* columns referenced */
   u32 newmask;         /* Mask of new.* columns referenced */
-#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
-  u32 nProgressSteps;  /* xProgress steps taken during sqlite3_prepare() */
-#endif
+  LogEst nQueryLoop;   /* Est number of iterations of a query (10*log2(N)) */
   u8 eTriggerOp;       /* TK_UPDATE, TK_INSERT or TK_DELETE */
   u8 bReturning;       /* Coding a RETURNING trigger */
   u8 eOrconf;          /* Default ON CONFLICT policy for trigger steps */