From: drh <drh@noemail.net>
Date: Fri, 9 Mar 2018 16:37:05 +0000 (+0000)
Subject: Setting ".stats 2" in the CLI causes column metadata for each
X-Git-Tag: version-3.23.0~70
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=393344f928696129b887e37729eed7162f66def8;p=thirdparty%2Fsqlite.git

Setting ".stats 2" in the CLI causes column metadata for each
prepared statement to be displayed.

FossilOrigin-Name: 7fea00fd96a8ab7e65734540edb907b6224659ae95d7e0504755f2610c545587
---

diff --git a/manifest b/manifest
index 637047562e..139ec8eb62 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Simplification\sto\sthe\sshell_exec()\smechanism\sin\sthe\sCLI.
-D 2018-03-09T15:24:33.360
+C Setting\s".stats\s2"\sin\sthe\sCLI\scauses\scolumn\smetadata\sfor\seach\nprepared\sstatement\sto\sbe\sdisplayed.
+D 2018-03-09T16:37:05.324
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 7016fc56c6b9bfe5daac4f34be8be38d8c0b5fab79ccbfb764d3b23bf1c6fff3
@@ -490,7 +490,7 @@ F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
 F src/resolve.c 66c73fcb7719b8ff0e841b58338f13604ff3e2b50a723f9b8f383595735262f6
 F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
 F src/select.c f02352ac5cbb6fad3804add825743b924cfb6c742ba2e8666d726828a9985d73
-F src/shell.c.in 23eb750155ada4ff0b08b3c30897775ec1e2a286c984e32e329e3cdd6a43857e
+F src/shell.c.in 754905107134107564345d43e74921f3a3b3f964827b2e2d5bc437ebba843eaf
 F src/sqlite.h.in 49d776d536076894e38de837a6c999e5150949baf008aa02d91fea70471eae78
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 83a3c4ce93d650bedfd1aa558cb85a516bd6d094445ee989740827d0d944368d
@@ -1712,7 +1712,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P e547c83f3eb71175574d4b49a0981b048bf525f57d36a2410d955cf1832bec22
-R 259a72bbfbca34339b82532b413ba7d7
+P 72e8f529ac8a268611f16456b13d55cc6c62df7f1a0aaa78a169338a0d95b960
+R e31c00c5775bc8c440f35c0a79819b6a
 U drh
-Z 7e5be2d207864b4ee33e5e8cbd3e697a
+Z c4b88c9fba10493862085e7979f0eebb
diff --git a/manifest.uuid b/manifest.uuid
index 83f0cc2fff..88ef7d3805 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-72e8f529ac8a268611f16456b13d55cc6c62df7f1a0aaa78a169338a0d95b960
\ No newline at end of file
+7fea00fd96a8ab7e65734540edb907b6224659ae95d7e0504755f2610c545587
\ No newline at end of file
diff --git a/src/shell.c.in b/src/shell.c.in
index beb414851c..31e284c3ea 100644
--- a/src/shell.c.in
+++ b/src/shell.c.in
@@ -2273,29 +2273,52 @@ static int display_stats(
 ){
   int iCur;
   int iHiwtr;
-
-  if( pArg && pArg->out ){
-    displayStatLine(pArg, "Memory Used:",
-       "%lld (max %lld) bytes", SQLITE_STATUS_MEMORY_USED, bReset);
-    displayStatLine(pArg, "Number of Outstanding Allocations:",
-       "%lld (max %lld)", SQLITE_STATUS_MALLOC_COUNT, bReset);
-    if( pArg->shellFlgs & SHFLG_Pagecache ){
-      displayStatLine(pArg, "Number of Pcache Pages Used:",
-         "%lld (max %lld) pages", SQLITE_STATUS_PAGECACHE_USED, bReset);
-    }
-    displayStatLine(pArg, "Number of Pcache Overflow Bytes:",
-       "%lld (max %lld) bytes", SQLITE_STATUS_PAGECACHE_OVERFLOW, bReset);
-    displayStatLine(pArg, "Largest Allocation:",
-       "%lld bytes", SQLITE_STATUS_MALLOC_SIZE, bReset);
-    displayStatLine(pArg, "Largest Pcache Allocation:",
-       "%lld bytes", SQLITE_STATUS_PAGECACHE_SIZE, bReset);
+  FILE *out;
+  if( pArg==0 || pArg->out==0 ) return 0;
+  out = pArg->out;
+
+  if( pArg->pStmt && (pArg->statsOn & 2) ){
+    int nCol, i, x;
+    sqlite3_stmt *pStmt = pArg->pStmt;
+    char z[100];
+    nCol = sqlite3_column_count(pStmt);
+    raw_printf(out, "%-36s %d\n", "Number of output columns:", nCol);
+    for(i=0; i<nCol; i++){
+      sqlite3_snprintf(sizeof(z),z,"Column %d %nname:", i, &x);
+      utf8_printf(out, "%-36s %s\n", z, sqlite3_column_name(pStmt,i));
+      sqlite3_snprintf(30, z+x, "declared type:");
+      utf8_printf(out, "%-36s %s\n", z, sqlite3_column_decltype(pStmt, i));
+  #ifdef SQLITE_ENABLE_COLUMN_METADATA
+      sqlite3_snprintf(30, z+x, "database name:");
+      utf8_printf(out, "%-36s %s\n", z, sqlite3_column_database_name(pStmt,i));
+      sqlite3_snprintf(30, z+x, "table name:");
+      utf8_printf(out, "%-36s %s\n", z, sqlite3_column_table_name(pStmt,i));
+      sqlite3_snprintf(30, z+x, "origin name:");
+      utf8_printf(out, "%-36s %s\n", z, sqlite3_column_origin_name(pStmt,i));
+  #endif
+    }
+    }
+
+  displayStatLine(pArg, "Memory Used:",
+     "%lld (max %lld) bytes", SQLITE_STATUS_MEMORY_USED, bReset);
+  displayStatLine(pArg, "Number of Outstanding Allocations:",
+     "%lld (max %lld)", SQLITE_STATUS_MALLOC_COUNT, bReset);
+  if( pArg->shellFlgs & SHFLG_Pagecache ){
+    displayStatLine(pArg, "Number of Pcache Pages Used:",
+       "%lld (max %lld) pages", SQLITE_STATUS_PAGECACHE_USED, bReset);
+  }
+  displayStatLine(pArg, "Number of Pcache Overflow Bytes:",
+     "%lld (max %lld) bytes", SQLITE_STATUS_PAGECACHE_OVERFLOW, bReset);
+  displayStatLine(pArg, "Largest Allocation:",
+     "%lld bytes", SQLITE_STATUS_MALLOC_SIZE, bReset);
+  displayStatLine(pArg, "Largest Pcache Allocation:",
+     "%lld bytes", SQLITE_STATUS_PAGECACHE_SIZE, bReset);
 #ifdef YYTRACKMAXSTACKDEPTH
-    displayStatLine(pArg, "Deepest Parser Stack:",
-       "%lld (max %lld)", SQLITE_STATUS_PARSER_STACK, bReset);
+  displayStatLine(pArg, "Deepest Parser Stack:",
+     "%lld (max %lld)", SQLITE_STATUS_PARSER_STACK, bReset);
 #endif
-  }
 
-  if( pArg && pArg->out && db ){
+  if( db ){
     if( pArg->shellFlgs & SHFLG_Lookaside ){
       iHiwtr = iCur = -1;
       sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED,
@@ -2339,7 +2362,7 @@ static int display_stats(
             iCur);
   }
 
-  if( pArg && pArg->out && db && pArg->pStmt ){
+  if( pArg->pStmt ){
     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FULLSCAN_STEP,
                                bReset);
     raw_printf(pArg->out, "Fullscan Steps:                      %d\n", iCur);
@@ -2349,6 +2372,12 @@ static int display_stats(
     raw_printf(pArg->out, "Autoindex Inserts:                   %d\n", iCur);
     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset);
     raw_printf(pArg->out, "Virtual Machine Steps:               %d\n", iCur);
+    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_REPREPARE, bReset);
+    raw_printf(pArg->out, "Reprepare operations:                %d\n", iCur);
+    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_RUN, bReset);
+    raw_printf(pArg->out, "Number of times run:                 %d\n", iCur);
+    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_MEMUSED, bReset);
+    raw_printf(pArg->out, "Memory used by prepared stmt:        %d\n", iCur);
   }
 
 #ifdef __linux__