Avoid allocating space to hold the prepared statements for CREATE statements

when parsing the schema of an existing database, since those prepared
statements are never used..  This helps to make startup faster,

FossilOrigin-Name: d01e9f2d00dc439c529cd8885a219fcddbaad73b9f471b020e2a0c18e2add69b

diff --git a/manifest b/manifest
index a6d72ee472caa50546a5f3754422b7f1ff820e1d..62f5f649c1e49feb3cc2591383374adb80878e1c 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Faster\sand\ssmaller\stest\sto\sensure\sthat\sthe\ssqlite_schema.sql\sfield\sis\salways\na\sCREATE\sstatement\sof\ssome\skind.
-D 2021-01-01T21:02:37.996
+C Avoid\sallocating\sspace\sto\shold\sthe\sprepared\sstatements\sfor\sCREATE\sstatements\nwhen\sparsing\sthe\sschema\sof\san\sexisting\sdatabase,\ssince\sthose\sprepared\nstatements\sare\snever\sused..\s\sThis\shelps\sto\smake\sstartup\sfaster,
+D 2021-01-01T22:06:17.152
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -484,7 +484,7 @@ F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
 F src/btree.c 0f9cb686871ae668817673f0823b55d1bcadbc86ea28bd22c590b064a8322d5a
 F src/btree.h 285f8377aa1353185a32bf455faafa9ff9a0d40d074d60509534d14990c7829e
 F src/btreeInt.h 7614cae30f95b6aed0c7cac7718276a55cfe2c77058cbfd8bef5b75329757331
-F src/build.c 7a9983015d707482329820eb0ab6bc014554cbd89f8f0312e88ee47ca924257d
+F src/build.c d4c06261b0e532523ede58dc511381a7a9c155132e4b65a6bb2ff76fe657793a
 F src/callback.c d0b853dd413255d2e337b34545e54d888ea02f20da5ad0e63585b389624c4a6c
 F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
 F src/ctime.c 2a322b9a3d75771fb4d99e0702851f4f68dda982507a0f798eefb0712969a410
@@ -1895,7 +1895,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 6f25f2529f1495a26129d7d407979906e4962b2de351f901d41cb037d05ba780
-R b56645f386266a2944ab2c45a4a49580
+P 76de2bb04b1c02a6c0300cd61d9b3d2477d845aa0d1cdb9dbe4f354b9fedd923
+R df14a0f8e3c8c0f24b4bc5fa275286c3
 U drh
-Z 5ad0d6addcb4bd606a3544d738c2cf50
+Z f56f3715fca7ebd8ed5abb62c2ed9411

diff --git a/manifest.uuid b/manifest.uuid
index 1f0e61ce42264666e062523aeb0fdd090fd6ffc8..be0c63326872fb8e56f109fef9c0ada0bebcd243 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-76de2bb04b1c02a6c0300cd61d9b3d2477d845aa0d1cdb9dbe4f354b9fedd923
\ No newline at end of file
+d01e9f2d00dc439c529cd8885a219fcddbaad73b9f471b020e2a0c18e2add69b
\ No newline at end of file

diff --git a/src/build.c b/src/build.c
index c9877951c6f41b2dc46d268a8abfbef1ba347788..50289c6a1d4bf3fcc7cd4cdb4c74b72aee717080 100644 (file)
--- a/src/build.c
+++ b/src/build.c
@@ -143,6 +143,10 @@ void sqlite3FinishCoding(Parse *pParse){
   /* Begin by generating some termination code at the end of the
   ** vdbe program
   */
+  if( pParse->pVdbe==0 && db->init.busy ){
+    pParse->rc = SQLITE_DONE;
+    return;
+  }
   v = sqlite3GetVdbe(pParse);
   assert( !pParse->isMultiWrite 
        || sqlite3VdbeAssertMayAbort(v, pParse->mayAbort));