Enhance the Index and Table objects so that they remember if their stats come

from the sqlite_stat1 table.  Make the "PRAGMA stats" an SQLITE_DEBUG only
pragma.  Add the flags column to "PRAGMA stats".  These are all preliminary
steps toward a "PRAGMA analyze_ifneeded;" feature.

FossilOrigin-Name: 85026c8ee143bbd46565660fff8346ef81421546

diff --git a/manifest b/manifest
index dc0eaa5c63846c6d56380b5617e2363f1a96dced..04051afae1f2da79fe84d7e2975ecd0ed835b73c 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sa\stest\scase\sthat\swas\smade\sto\sfail\sby\sthe\sLIKE\soptimization\senhancement\nin\scheck-in\s[158290c0ab]\sbut\swhich\swent\sunnoticed\sbecause\stest\sbuilds\swere\nrunning\swith\sICU\senabled\sand\sICU\sdisables\sthe\sLIKE\soptimization.
-D 2017-02-17T02:04:31.068
+C Enhance\sthe\sIndex\sand\sTable\sobjects\sso\sthat\sthey\sremember\sif\stheir\sstats\scome\nfrom\sthe\ssqlite_stat1\stable.\s\sMake\sthe\s"PRAGMA\sstats"\san\sSQLITE_DEBUG\sonly\npragma.\s\sAdd\sthe\sflags\scolumn\sto\s"PRAGMA\sstats".\s\sThese\sare\sall\spreliminary\nsteps\stoward\sa\s"PRAGMA\sanalyze_ifneeded;"\sfeature.
+D 2017-02-17T13:38:15.256
 F Makefile.in edb6bcdd37748d2b1c3422ff727c748df7ffe918
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc a89ea37ab5928026001569f056973b9059492fe2
@@ -331,7 +331,7 @@ F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
 F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
 F src/alter.c 3b23977620ce9662ac54443f65b87ba996e36121
-F src/analyze.c ac7a5d7e3cee07d074697904e00e4a8ab7b2b4f5
+F src/analyze.c 1b7197d619788353437d390de42a9bccbb4aa2ac
 F src/attach.c 8c476f8bd5d2afe11d925f890d30e527e5b0ce43
 F src/auth.c 930b376a9c56998557367e6f7f8aaeac82a2a792
 F src/backup.c faf17e60b43233c214aae6a8179d24503a61e83b
@@ -340,7 +340,7 @@ F src/btmutex.c 0e9ce2d56159b89b9bc8e197e023ee11e39ff8ca
 F src/btree.c 3ae66974881e74df9909093818b4c3428f8d7982
 F src/btree.h e6d352808956ec163a17f832193a3e198b3fb0ac
 F src/btreeInt.h cd55d39d9916270837a88c12e701047cba0729b0
-F src/build.c 9e799f1edd910dfa8a0bc29bd390d35d310596af
+F src/build.c 2e05d0360568f40dc583461f2211f020ff282ee4
 F src/callback.c 2e76147783386374bf01b227f752c81ec872d730
 F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
 F src/ctime.c a9984df73898c042a5cfc8f9d8e7723d02bc35c9
@@ -387,8 +387,8 @@ F src/parse.y 591704fce84f814d9a3642774c1f011d38f4149c
 F src/pcache.c 62835bed959e2914edd26afadfecce29ece0e870
 F src/pcache.h 2cedcd8407eb23017d92790b112186886e179490
 F src/pcache1.c e3967219b2a92b9edcb9324a4ba75009090d3953
-F src/pragma.c 7831956012f5d764761fbd023e59b0ffc08f5e8d
-F src/pragma.h 61aa5389118594bebb28120a6720401aee34ce1a
+F src/pragma.c d4918a737f0bf1ad825654ebf07c4d009ff0ca63
+F src/pragma.h cea24a631982fd1a26fcddd46f596d22303b4247
 F src/prepare.c b1140c3d0cf59bc85ace00ce363153041b424b7a
 F src/printf.c 67427bbee66d891fc6f6f5aada857e9cdb368c1c
 F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
@@ -399,7 +399,7 @@ F src/shell.c bb8e20789499aec921a01d8744c616b81b8214f1
 F src/sqlite.h.in 751ff125eb159c8f92c182b8df980a5e4f50e966
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 8648034aa702469afb553231677306cc6492a1ae
-F src/sqliteInt.h 46fe8e5aee3825d77fa771216ef263dc947030e7
+F src/sqliteInt.h 54bc20855f2a1a99a1b726f1384b5ce9ab67a0ff
 F src/sqliteLimit.h c0373387c287c8d0932510b5547ecde31b5da247
 F src/status.c a9e66593dfb28a9e746cba7153f84d49c1ddc4b1
 F src/table.c b46ad567748f24a326d9de40e5b9659f96ffff34
@@ -1494,7 +1494,7 @@ F tool/mkmsvcmin.tcl 95b37e202cbed873aa8ffdbb493b9db45927be2b
 F tool/mkopcodec.tcl d1b6362bd3aa80d5520d4d6f3765badf01f6c43c
 F tool/mkopcodeh.tcl a01d2c1d8a6205b03fc635adf3735b4c523befd3
 F tool/mkopts.tcl 66ac10d240cc6e86abd37dc908d50382f84ff46e
-F tool/mkpragmatab.tcl ebb4bfcd2f8010e0a3934b6118db4b5f2f5edf5c
+F tool/mkpragmatab.tcl 9c0a855e0daf83e54ffd9fd438260cd0c92f25d0
 F tool/mkspeedsql.tcl a1a334d288f7adfe6e996f2e712becf076745c97
 F tool/mksqlite3c-noext.tcl fef88397668ae83166735c41af99d79f56afaabb
 F tool/mksqlite3c.tcl 06b2e6a0f21cc0a5d70fbbd136b3e0a96470645e
@@ -1556,7 +1556,10 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 8a03be1dc42737ba0712d33f639ea26dc243b20e
-R b29803fdd4fd514ba7baa53a58b26311
+P 218b2bbb0de07288889f6762d4461ea8acd78969
+R af8aeffdf276070e8e8912906300a1a4
+T *branch * auto-analyze
+T *sym-auto-analyze *
+T -sym-trunk *
 U drh
-Z af65459984ca8c135fabce3c62812860
+Z f8720207819c88fb362c87de069d287a

diff --git a/manifest.uuid b/manifest.uuid
index d642d67abefe8a9ced06b5970aee2ba910946f7f..fd9de00f55d7cb7e21b307a20b2d73f766c0b99d 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-218b2bbb0de07288889f6762d4461ea8acd78969
\ No newline at end of file
+85026c8ee143bbd46565660fff8346ef81421546
\ No newline at end of file

diff --git a/src/analyze.c b/src/analyze.c
index 890ae7c3b2da8d331963fb1e286d99f65c09695f..3ecf469cd38a3837a733a6484d3a1266853dc3e0 100644 (file)
--- a/src/analyze.c
+++ b/src/analyze.c
@@ -1532,7 +1532,11 @@ static int analysisLoader(void *pData, int argc, char **argv, char **NotUsed){
 #endif
     pIndex->bUnordered = 0;
     decodeIntArray((char*)z, nCol, aiRowEst, pIndex->aiRowLogEst, pIndex);
-    if( pIndex->pPartIdxWhere==0 ) pTable->nRowLogEst = pIndex->aiRowLogEst[0];
+    pIndex->hasStat1 = 1;
+    if( pIndex->pPartIdxWhere==0 ){
+      pTable->nRowLogEst = pIndex->aiRowLogEst[0];
+      pTable->tabFlags |= TF_HasStat1;
+    }
   }else{
     Index fakeIdx;
     fakeIdx.szIdxRow = pTable->szTabRow;
@@ -1541,6 +1545,7 @@ static int analysisLoader(void *pData, int argc, char **argv, char **NotUsed){
 #endif
     decodeIntArray((char*)z, 1, 0, &pTable->nRowLogEst, &fakeIdx);
     pTable->szTabRow = fakeIdx.szIdxRow;
+    pTable->tabFlags |= TF_HasStat1;
   }
 
   return 0;
@@ -1835,15 +1840,20 @@ int sqlite3AnalysisLoad(sqlite3 *db, int iDb){
   HashElem *i;
   char *zSql;
   int rc = SQLITE_OK;
+  Schema *pSchema = db->aDb[iDb].pSchema;
 
   assert( iDb>=0 && iDb<db->nDb );
   assert( db->aDb[iDb].pBt!=0 );
 
   /* Clear any prior statistics */
   assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
-  for(i=sqliteHashFirst(&db->aDb[iDb].pSchema->idxHash);i;i=sqliteHashNext(i)){
+  for(i=sqliteHashFirst(&pSchema->tblHash); i; i=sqliteHashNext(i)){
+    Table *pTab = sqliteHashData(i);
+    pTab->tabFlags &= ~TF_HasStat1;
+  }
+  for(i=sqliteHashFirst(&pSchema->idxHash); i; i=sqliteHashNext(i)){
     Index *pIdx = sqliteHashData(i);
-    pIdx->aiRowLogEst[0] = 0;
+    pIdx->hasStat1 = 0;
 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4
     sqlite3DeleteIndexSamples(db, pIdx);
     pIdx->aSample = 0;
@@ -1866,9 +1876,9 @@ int sqlite3AnalysisLoad(sqlite3 *db, int iDb){
 
   /* Set appropriate defaults on all indexes not in the sqlite_stat1 table */
   assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
-  for(i=sqliteHashFirst(&db->aDb[iDb].pSchema->idxHash);i;i=sqliteHashNext(i)){
+  for(i=sqliteHashFirst(&pSchema->idxHash); i; i=sqliteHashNext(i)){
     Index *pIdx = sqliteHashData(i);
-    if( pIdx->aiRowLogEst[0]==0 ) sqlite3DefaultRowEst(pIdx);
+    if( !pIdx->hasStat1 ) sqlite3DefaultRowEst(pIdx);
   }
 
   /* Load the statistics from the sqlite_stat4 table. */
@@ -1878,7 +1888,7 @@ int sqlite3AnalysisLoad(sqlite3 *db, int iDb){
     rc = loadStat4(db, sInfo.zDatabase);
     db->lookaside.bDisable--;
   }
-  for(i=sqliteHashFirst(&db->aDb[iDb].pSchema->idxHash);i;i=sqliteHashNext(i)){
+  for(i=sqliteHashFirst(&pSchema->idxHash); i; i=sqliteHashNext(i)){
     Index *pIdx = sqliteHashData(i);
     sqlite3_free(pIdx->aiRowEst);
     pIdx->aiRowEst = 0;

diff --git a/src/build.c b/src/build.c
index cd9c81be8215127d4e0396fdc5f23e658f32340d..f85c55f0a12871e8b24ff409ff42d0d89871dd5f 100644 (file)
--- a/src/build.c
+++ b/src/build.c
@@ -3454,6 +3454,9 @@ void sqlite3DefaultRowEst(Index *pIdx){
   int nCopy = MIN(ArraySize(aVal), pIdx->nKeyCol);
   int i;
 
+  /* Indexes with default row estimates should not have stat1 data */
+  assert( !pIdx->hasStat1 );
+
   /* Set the first entry (number of rows in the index) to the estimated 
   ** number of rows in the table, or half the number of rows in the table
   ** for a partial index.   But do not let the estimate drop below 10. */

diff --git a/src/pragma.c b/src/pragma.c
index b1775a4082a3a0135f962d8aa37d8809adcd6c4c..f28ff9d13c86ee33ea810c96ee0fbb3e33591fe4 100644 (file)
--- a/src/pragma.c
+++ b/src/pragma.c
@@ -1098,29 +1098,33 @@ void sqlite3Pragma(
   }
   break;
 
+#ifdef SQLITE_DEBUG
   case PragTyp_STATS: {
     Index *pIdx;
     HashElem *i;
-    pParse->nMem = 4;
+    pParse->nMem = 5;
     sqlite3CodeVerifySchema(pParse, iDb);
     for(i=sqliteHashFirst(&pDb->pSchema->tblHash); i; i=sqliteHashNext(i)){
       Table *pTab = sqliteHashData(i);
-      sqlite3VdbeMultiLoad(v, 1, "ssii",
+      sqlite3VdbeMultiLoad(v, 1, "ssiii",
            pTab->zName,
            0,
            pTab->szTabRow,
-           pTab->nRowLogEst);
-      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
+           pTab->nRowLogEst,
+           pTab->tabFlags);
+      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5);
       for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
-        sqlite3VdbeMultiLoad(v, 2, "sii",
+        sqlite3VdbeMultiLoad(v, 2, "siii",
            pIdx->zName,
            pIdx->szIdxRow,
-           pIdx->aiRowLogEst[0]);
-        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 4);
+           pIdx->aiRowLogEst[0],
+           pIdx->hasStat1);
+        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5);
       }
     }
   }
   break;
+#endif
 
   case PragTyp_INDEX_INFO: if( zRight ){
     Index *pIdx;

diff --git a/src/pragma.h b/src/pragma.h
index 5d8d0aa35b3f6f46ed9f141150a470fbef48a167..2a96ecaa4371ffcb900052d357a2ecf5bd3b171b 100644 (file)
--- a/src/pragma.h
+++ b/src/pragma.h
@@ -34,20 +34,20 @@
 #define PragTyp_SECURE_DELETE                 26
 #define PragTyp_SHRINK_MEMORY                 27
 #define PragTyp_SOFT_HEAP_LIMIT               28
-#define PragTyp_STATS                         29
-#define PragTyp_SYNCHRONOUS                   30
-#define PragTyp_TABLE_INFO                    31
-#define PragTyp_TEMP_STORE                    32
-#define PragTyp_TEMP_STORE_DIRECTORY          33
-#define PragTyp_THREADS                       34
-#define PragTyp_WAL_AUTOCHECKPOINT            35
-#define PragTyp_WAL_CHECKPOINT                36
-#define PragTyp_ACTIVATE_EXTENSIONS           37
-#define PragTyp_HEXKEY                        38
-#define PragTyp_KEY                           39
-#define PragTyp_REKEY                         40
-#define PragTyp_LOCK_STATUS                   41
-#define PragTyp_PARSER_TRACE                  42
+#define PragTyp_SYNCHRONOUS                   29
+#define PragTyp_TABLE_INFO                    30
+#define PragTyp_TEMP_STORE                    31
+#define PragTyp_TEMP_STORE_DIRECTORY          32
+#define PragTyp_THREADS                       33
+#define PragTyp_WAL_AUTOCHECKPOINT            34
+#define PragTyp_WAL_CHECKPOINT                35
+#define PragTyp_ACTIVATE_EXTENSIONS           36
+#define PragTyp_HEXKEY                        37
+#define PragTyp_KEY                           38
+#define PragTyp_REKEY                         39
+#define PragTyp_LOCK_STATUS                   40
+#define PragTyp_PARSER_TRACE                  41
+#define PragTyp_STATS                         42
 
 /* Property flags associated with various pragma. */
 #define PragFlg_NeedSchema 0x01 /* Force schema load before running */
@@ -75,43 +75,44 @@ static const char *const pragCName[] = {
   /*   8 */ "index",      
   /*   9 */ "width",      
   /*  10 */ "height",     
-  /*  11 */ "seqno",       /* Used by: index_info */
-  /*  12 */ "cid",        
-  /*  13 */ "name",       
-  /*  14 */ "seqno",       /* Used by: index_xinfo */
-  /*  15 */ "cid",        
-  /*  16 */ "name",       
-  /*  17 */ "desc",       
-  /*  18 */ "coll",       
-  /*  19 */ "key",        
-  /*  20 */ "seq",         /* Used by: index_list */
-  /*  21 */ "name",       
-  /*  22 */ "unique",     
-  /*  23 */ "origin",     
-  /*  24 */ "partial",    
-  /*  25 */ "seq",         /* Used by: database_list */
-  /*  26 */ "name",       
-  /*  27 */ "file",       
-  /*  28 */ "seq",         /* Used by: collation_list */
-  /*  29 */ "name",       
-  /*  30 */ "id",          /* Used by: foreign_key_list */
-  /*  31 */ "seq",        
-  /*  32 */ "table",      
-  /*  33 */ "from",       
-  /*  34 */ "to",         
-  /*  35 */ "on_update",  
-  /*  36 */ "on_delete",  
-  /*  37 */ "match",      
-  /*  38 */ "table",       /* Used by: foreign_key_check */
-  /*  39 */ "rowid",      
-  /*  40 */ "parent",     
-  /*  41 */ "fkid",       
-  /*  42 */ "busy",        /* Used by: wal_checkpoint */
-  /*  43 */ "log",        
-  /*  44 */ "checkpointed",
-  /*  45 */ "timeout",     /* Used by: busy_timeout */
-  /*  46 */ "database",    /* Used by: lock_status */
-  /*  47 */ "status",     
+  /*  11 */ "flags",      
+  /*  12 */ "seqno",       /* Used by: index_info */
+  /*  13 */ "cid",        
+  /*  14 */ "name",       
+  /*  15 */ "seqno",       /* Used by: index_xinfo */
+  /*  16 */ "cid",        
+  /*  17 */ "name",       
+  /*  18 */ "desc",       
+  /*  19 */ "coll",       
+  /*  20 */ "key",        
+  /*  21 */ "seq",         /* Used by: index_list */
+  /*  22 */ "name",       
+  /*  23 */ "unique",     
+  /*  24 */ "origin",     
+  /*  25 */ "partial",    
+  /*  26 */ "seq",         /* Used by: database_list */
+  /*  27 */ "name",       
+  /*  28 */ "file",       
+  /*  29 */ "seq",         /* Used by: collation_list */
+  /*  30 */ "name",       
+  /*  31 */ "id",          /* Used by: foreign_key_list */
+  /*  32 */ "seq",        
+  /*  33 */ "table",      
+  /*  34 */ "from",       
+  /*  35 */ "to",         
+  /*  36 */ "on_update",  
+  /*  37 */ "on_delete",  
+  /*  38 */ "match",      
+  /*  39 */ "table",       /* Used by: foreign_key_check */
+  /*  40 */ "rowid",      
+  /*  41 */ "parent",     
+  /*  42 */ "fkid",       
+  /*  43 */ "busy",        /* Used by: wal_checkpoint */
+  /*  44 */ "log",        
+  /*  45 */ "checkpointed",
+  /*  46 */ "timeout",     /* Used by: busy_timeout */
+  /*  47 */ "database",    /* Used by: lock_status */
+  /*  48 */ "status",     
 };
 
 /* Definitions of all built-in pragmas */
@@ -157,7 +158,7 @@ static const PragmaName aPragmaName[] = {
  {/* zName:     */ "busy_timeout",
   /* ePragTyp:  */ PragTyp_BUSY_TIMEOUT,
   /* ePragFlg:  */ PragFlg_Result0,
-  /* ColNames:  */ 45, 1,
+  /* ColNames:  */ 46, 1,
   /* iArg:      */ 0 },
 #if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  {/* zName:     */ "cache_size",
@@ -194,7 +195,7 @@ static const PragmaName aPragmaName[] = {
  {/* zName:     */ "collation_list",
   /* ePragTyp:  */ PragTyp_COLLATION_LIST,
   /* ePragFlg:  */ PragFlg_Result0,
-  /* ColNames:  */ 28, 2,
+  /* ColNames:  */ 29, 2,
   /* iArg:      */ 0 },
 #endif
 #if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)
@@ -229,7 +230,7 @@ static const PragmaName aPragmaName[] = {
  {/* zName:     */ "database_list",
   /* ePragTyp:  */ PragTyp_DATABASE_LIST,
   /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result0,
-  /* ColNames:  */ 25, 3,
+  /* ColNames:  */ 26, 3,
   /* iArg:      */ 0 },
 #endif
 #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
@@ -266,14 +267,14 @@ static const PragmaName aPragmaName[] = {
  {/* zName:     */ "foreign_key_check",
   /* ePragTyp:  */ PragTyp_FOREIGN_KEY_CHECK,
   /* ePragFlg:  */ PragFlg_NeedSchema,
-  /* ColNames:  */ 38, 4,
+  /* ColNames:  */ 39, 4,
   /* iArg:      */ 0 },
 #endif
 #if !defined(SQLITE_OMIT_FOREIGN_KEY)
  {/* zName:     */ "foreign_key_list",
   /* ePragTyp:  */ PragTyp_FOREIGN_KEY_LIST,
   /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt,
-  /* ColNames:  */ 30, 8,
+  /* ColNames:  */ 31, 8,
   /* iArg:      */ 0 },
 #endif
 #if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
@@ -336,17 +337,17 @@ static const PragmaName aPragmaName[] = {
  {/* zName:     */ "index_info",
   /* ePragTyp:  */ PragTyp_INDEX_INFO,
   /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt,
-  /* ColNames:  */ 11, 3,
+  /* ColNames:  */ 12, 3,
   /* iArg:      */ 0 },
  {/* zName:     */ "index_list",
   /* ePragTyp:  */ PragTyp_INDEX_LIST,
   /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt,
-  /* ColNames:  */ 20, 5,
+  /* ColNames:  */ 21, 5,
   /* iArg:      */ 0 },
  {/* zName:     */ "index_xinfo",
   /* ePragTyp:  */ PragTyp_INDEX_INFO,
   /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt,
-  /* ColNames:  */ 14, 6,
+  /* ColNames:  */ 15, 6,
   /* iArg:      */ 1 },
 #endif
 #if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
@@ -393,7 +394,7 @@ static const PragmaName aPragmaName[] = {
  {/* zName:     */ "lock_status",
   /* ePragTyp:  */ PragTyp_LOCK_STATUS,
   /* ePragFlg:  */ PragFlg_Result0,
-  /* ColNames:  */ 46, 2,
+  /* ColNames:  */ 47, 2,
   /* iArg:      */ 0 },
 #endif
 #if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
@@ -510,11 +511,11 @@ static const PragmaName aPragmaName[] = {
   /* iArg:      */ SQLITE_SqlTrace },
 #endif
 #endif
-#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) && defined(SQLITE_DEBUG)
  {/* zName:     */ "stats",
   /* ePragTyp:  */ PragTyp_STATS,
   /* ePragFlg:  */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq,
-  /* ColNames:  */ 7, 4,
+  /* ColNames:  */ 7, 5,
   /* iArg:      */ 0 },
 #endif
 #if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
@@ -593,7 +594,7 @@ static const PragmaName aPragmaName[] = {
  {/* zName:     */ "wal_checkpoint",
   /* ePragTyp:  */ PragTyp_WAL_CHECKPOINT,
   /* ePragFlg:  */ PragFlg_NeedSchema,
-  /* ColNames:  */ 42, 3,
+  /* ColNames:  */ 43, 3,
   /* iArg:      */ 0 },
 #endif
 #if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
@@ -604,4 +605,4 @@ static const PragmaName aPragmaName[] = {
   /* iArg:      */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
 #endif
 };
-/* Number of pragmas: 60 on by default, 73 total. */
+/* Number of pragmas: 59 on by default, 73 total. */

diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 9a53d33626807e37efd0333fd680f805a7968926..6d58157b1b4986864bff817adfdd1cfa84c3b2c4 100644 (file)
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1879,15 +1879,14 @@ struct Table {
 ** the TF_OOOHidden attribute would apply in this case.  Such tables require
 ** special handling during INSERT processing.
 */
-#define TF_Readonly        0x01    /* Read-only system table */
-#define TF_Ephemeral       0x02    /* An ephemeral table */
-#define TF_HasPrimaryKey   0x04    /* Table has a primary key */
-#define TF_Autoincrement   0x08    /* Integer primary key is autoincrement */
-/* available for reuse:    0x10    */
-#define TF_WithoutRowid    0x20    /* No rowid.  PRIMARY KEY is the key */
-#define TF_NoVisibleRowid  0x40    /* No user-visible "rowid" column */
-#define TF_OOOHidden       0x80    /* Out-of-Order hidden columns */
-
+#define TF_Readonly        0x0001    /* Read-only system table */
+#define TF_Ephemeral       0x0002    /* An ephemeral table */
+#define TF_HasPrimaryKey   0x0004    /* Table has a primary key */
+#define TF_Autoincrement   0x0008    /* Integer primary key is autoincrement */
+#define TF_HasStat1        0x0010    /* Has STAT1 data */
+#define TF_WithoutRowid    0x0020    /* No rowid.  PRIMARY KEY is the key */
+#define TF_NoVisibleRowid  0x0040    /* No user-visible "rowid" column */
+#define TF_OOOHidden       0x0080    /* Out-of-Order hidden columns */
 
 /*
 ** Test to see whether or not a table is a virtual table.  This is
@@ -2130,6 +2129,7 @@ struct Index {
   unsigned isResized:1;    /* True if resizeIndexObject() has been called */
   unsigned isCovering:1;   /* True if this is a covering index */
   unsigned noSkipScan:1;   /* Do not try to use skip-scan if true */
+  unsigned hasStat1:1;     /* True if stat1 data has been loaded */
 #ifdef SQLITE_ENABLE_STAT3_OR_STAT4
   int nSample;             /* Number of elements in aSample[] */
   int nSampleCol;          /* Size of IndexSample.anEq[] and so on */

diff --git a/tool/mkpragmatab.tcl b/tool/mkpragmatab.tcl
index c22f72d491a2c46c6d05f521aa827892839e1b01..1c8bad54d33f4c2bf8835d4f7368f9d4e008c8e7 100644 (file)
--- a/tool/mkpragmatab.tcl
+++ b/tool/mkpragmatab.tcl
@@ -225,8 +225,8 @@ set pragma_def {
 
   NAME: stats
   FLAG: NeedSchema Result0 SchemaReq
-  COLS: table index width height
-  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
+  COLS: table index width height flags
+  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) && defined(SQLITE_DEBUG)
 
   NAME: index_info
   TYPE: INDEX_INFO