Ensure temp db is open before executing a pragma like "temp.cachesize = xxx". Fix for #1682. (CVS 3104)

FossilOrigin-Name: 1e4644b2369547da65fcaa9a3c8ddd206a3c82ae

manifest

@@ -1,5 +1,5 @@
-C Or\sthe\sSQLITE_UTF16_ALIGNED\swith\sthe\sencoding\sfield\sin\nsqlite3_create_collation\sand\sUTF16\sstrings\swill\salways\sbe\saligned\non\san\seven\sbyte\sboundary\swhen\spassed\sinto\sthe\scomparison\sfunction.\s(CVS\s3103)
-D 2006-02-16T18:16:37
+C Ensure\stemp\sdb\sis\sopen\sbefore\sexecuting\sa\spragma\slike\s"temp.cachesize\s=\sxxx".\sFix\sfor\s#1682.\s(CVS\s3104)
+D 2006-02-17T12:25:15
 F Makefile.in 5d8dff443383918b700e495de42ec65bc1c8865b
 F Makefile.linux-gcc 74ba0eadf88748a9ce3fd03d2a3ede2e6715baec
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -36,7 +36,7 @@ F src/attach.c d73a3505de3fb9e373d0a158978116c4212031d0
 F src/auth.c 9ae84d2d94eb96195e04515715e08e85963e96c2
 F src/btree.c 23bbfb4745e549ca224f6c933a6e9bc106d77f56
 F src/btree.h 40055cfc09defd1146bc5b922399c035f969e56d
-F src/build.c b46cd7d0e2daca775d9de0cba8abae1b1625caf4
+F src/build.c e0cecb858aa43d983ba7cfb9437b96107f06eda2
 F src/callback.c 1bf497306c32229114f826707054df7ebe10abf2
 F src/complete.c 7d1a44be8f37de125fcafd3d3a018690b3799675
 F src/date.c cd2bd5d1ebc6fa12d6312f69789ae5b0a2766f2e
@@ -62,7 +62,7 @@ F src/os_win.h 41a946bea10f61c158ce8645e7646b29d44f122b
 F src/pager.c c438aa5fc248e0523e80591eeae33a3993c47278
 F src/pager.h 425a9e52d5404158de016799715cbc2c3d685178
 F src/parse.y 6d666d60a3bb51ceeb0d30b395455a24856849b7
-F src/pragma.c 31d3e1b74cab2172807894e70c674d6a577501fd
+F src/pragma.c 607b0f3b1916aa01918acd08499bd6ef21065c23
 F src/prepare.c cf0fc8ebaf94409955ecb09ffeb0099c9ef44693
 F src/printf.c c7d6ad9efb71c466305297a448308f467b6e2b6e
 F src/random.c d40f8d356cecbd351ccfab6eaedd7ec1b54f5261
@@ -70,7 +70,7 @@ F src/select.c 7d069e875d0eec05129c7e8b9c99422d7c9c6321
 F src/server.c 087b92a39d883e3fa113cae259d64e4c7438bc96
 F src/shell.c 738f55ed75fb36731e764bfdb40756ac43b90b08
 F src/sqlite.h.in 0bf6f03f9a14dde5f3a4f87471840803acaa4497
-F src/sqliteInt.h b067d282b2073c20ef143295a0fe1a2a1b204698
+F src/sqliteInt.h 0b52ba38f922dcb79ddf806aa33377620df9773c
 F src/table.c f64ec4fbfe333f8df925bc6ba494f55e05b0e75e
 F src/tclsqlite.c d9c26374b52cd47233ae0620d0a858a59b601f89
 F src/test1.c 9d299609a0ce35157fe15cdf8b4c663db5d40386
@@ -212,7 +212,7 @@ F test/pager.test 6ee95e90ee8295e376e39a6c6566ef6df993601a
 F test/pager2.test 49c0f57c7da0b060f0486b85fdd074025caa694e
 F test/pager3.test 2323bf27fd5bd887b580247e5bce500ceee994b4
 F test/pagesize.test 05c74ea49f790734ec1e9ab765d9bf1cce79b8f2
-F test/pragma.test 12e1b74e37964bb161f21fb8b1d3f31b2724b47e
+F test/pragma.test 3e3673e42c665bf5ec1673961927ff9547a819fc
 F test/printf.test 9e10c74e16bf889f8495ddb3d6f5f891e75ff1b7
 F test/progress.test 16496001da445e6534afb94562c286708316d82f x
 F test/quick.test e220b3b6e62fe4fb4e2a703ab2ba730fedfe0424
@@ -354,7 +354,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl a99cf5f6d8bd4d5537584a2b342f0fb9fa601d8b
 F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P d7495be8060fe9e8fa2d2f81e215833d7085888b
-R 032dc5ef4ca76c28ee2e5685cd84b988
-U drh
-Z fd3c7b804d30b45bb57ec3ade082098a
+P 7a1701e8c562087d364dff28cd7cad7ca4cdb5ae
+R 9f6be0b8a587ac5dc16004f273a10940
+U danielk1977
+Z 5b1fc2d6ea9d692bde7c50e61899b51e

manifest.uuid

@@ -1 +1 @@
-7a1701e8c562087d364dff28cd7cad7ca4cdb5ae
+1e4644b2369547da65fcaa9a3c8ddd206a3c82ae

src/build.c

@@ -22,7 +22,7 @@
 **     COMMIT
 **     ROLLBACK
 **
-** $Id: build.c,v 1.386 2006/02/10 18:08:09 drh Exp $
+** $Id: build.c,v 1.387 2006/02/17 12:25:15 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -2958,7 +2958,7 @@ void sqlite3RollbackTransaction(Parse *pParse){
 ** Make sure the TEMP database is open and available for use.  Return
 ** the number of errors.  Leave any error messages in the pParse structure.
 */
-static int sqlite3OpenTempDatabase(Parse *pParse){
+int sqlite3OpenTempDatabase(Parse *pParse){
   sqlite3 *db = pParse->db;
   if( db->aDb[1].pBt==0 && !pParse->explain ){
     int rc = sqlite3BtreeFactory(db, 0, 0, MAX_PAGES, &db->aDb[1].pBt);

src/pragma.c

@@ -11,7 +11,7 @@
 *************************************************************************
 ** This file contains code used to implement the PRAGMA command.
 **
-** $Id: pragma.c,v 1.118 2006/02/11 01:25:51 drh Exp $
+** $Id: pragma.c,v 1.119 2006/02/17 12:25:16 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -227,6 +227,13 @@ void sqlite3Pragma(
   if( iDb<0 ) return;
   pDb = &db->aDb[iDb];
 
+  /* If the temp database has been explicitly named as part of the 
+  ** pragma, make sure it is open. 
+  */
+  if( iDb==1 && sqlite3OpenTempDatabase(pParse) ){
+    return;
+  }
+
   zLeft = sqlite3NameFromToken(pId);
   if( !zLeft ) return;
   if( minusFlag ){
@@ -948,10 +955,12 @@ void sqlite3Pragma(
     ** Reset the safety level, in case the fullfsync flag or synchronous
     ** setting changed.
     */
+#ifndef SQLITE_OMIT_PAGER_PRAGMAS
     if( db->autoCommit ){
       sqlite3BtreeSetSafetyLevel(pDb->pBt, pDb->safety_level,
                  (db->flags&SQLITE_FullFSync)!=0);
     }
+#endif
   }
 pragma_out:
   sqliteFree(zLeft);

src/sqliteInt.h

@@ -11,7 +11,7 @@
 *************************************************************************
 ** Internal interface definitions for SQLite.
 **
-** @(#) $Id: sqliteInt.h,v 1.484 2006/02/16 18:16:37 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.485 2006/02/17 12:25:16 danielk1977 Exp $
 */
 #ifndef _SQLITEINT_H_
 #define _SQLITEINT_H_
@@ -1743,6 +1743,7 @@ int sqlite3ApiExit(sqlite3 *db, int);
 int sqlite3MallocFailed(void);
 void sqlite3FailedMalloc(void);
 void sqlite3AbortOtherActiveVdbes(sqlite3 *, Vdbe *);
+int sqlite3OpenTempDatabase(Parse *);
 
 #ifndef SQLITE_OMIT_SHARED_CACHE
   void sqlite3TableLock(Parse *, int, int, u8, const char *);

test/pragma.test

@@ -12,7 +12,7 @@
 #
 # This file implements tests for the PRAGMA command.
 #
-# $Id: pragma.test,v 1.39 2006/02/09 16:52:24 drh Exp $
+# $Id: pragma.test,v 1.40 2006/02/17 12:25:16 danielk1977 Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -770,6 +770,34 @@ ifcapable schema_pragmas {
   } {0 New_Collation 1 NOCASE 2 BINARY}
 }
 
+ifcapable schema_pragmas&&tempdb {
+  do_test pragma-12.1 {
+    sqlite3 db2 test.db
+    execsql {
+      PRAGMA temp.table_info('abc');
+    } db2
+  } {}
+  db2 close
+
+  do_test pragma-12.2 {
+    sqlite3 db2 test.db
+    execsql {
+      PRAGMA temp.default_cache_size = 200;
+      PRAGMA temp.default_cache_size;
+    } db2
+  } {200}
+  db2 close
+
+  do_test pragma-12.3 {
+    sqlite3 db2 test.db
+    execsql {
+      PRAGMA temp.cache_size = 400;
+      PRAGMA temp.cache_size;
+    } db2
+  } {400}
+  db2 close
+}
+
 # Reset the sqlite3_temp_directory variable for the next run of tests:
 sqlite3 dbX :memory:
 dbX eval {PRAGMA temp_store_directory = ""}