Changes to test8.c to support UPDATE operations on xUpdate. (CVS 3250)

FossilOrigin-Name: 9e96511f83476e489fa62a05241393a851cbac5c

manifest

@@ -1,5 +1,5 @@
-C Bug\sfixes\sin\sthe\sMATCH\sand\sORDER\sBY\sprocessing\sof\svirtual\stables.\s(CVS\s3249)
+C Changes\sto\stest8.c\sto\ssupport\sUPDATE\soperations\son\sxUpdate.\s(CVS\s3250)
-D 2006-06-14T22:07:11
+D 2006-06-14T23:43:31
 F Makefile.in 200f6dc376ecfd9b01e5359c4e0c10c02f649b34
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -84,7 +84,7 @@ F src/test4.c 8b784cd82de158a2317cb4ac4bc86f91ad315e25
 F src/test5.c 7162f8526affb771c4ed256826eee7bb9eca265f
 F src/test6.c 60a02961ceb7b3edc25f5dc5c1ac2556622a76de
 F src/test7.c 03fa8d787f6aebc6d1f72504d52f33013ad2c8e3
-F src/test8.c e923b74e2e627d5d53413b3d69fc89b621eb8253
+F src/test8.c 2f38a6c295f15dd9dbb3db954be21aa8ea3c284b
 F src/test_async.c e3deaedd4d86a56391b81808fde9e44fbd92f1d3
 F src/test_loadext.c 22065d601a18878e5542191001f0eaa5d77c0ed8
 F src/test_md5.c 6c42bc0a3c0b54be34623ff77a0eec32b2fa96e3
@@ -366,7 +366,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P 32c97b884b104d120db3c0a87f5eab28f36851f8
+P c996185a9e0671e46bed06e5803b1ca3b42d61e2
-R 343eac0ed8ef0f1713e901c87b91ee1c
+R ee3ad5273671026614072c99f84a0525
 U drh
-Z 8a0af575be32f8c2cbffbf5691e9cf94
+Z bbafadf19467cae14bf8a8d2edcf9481

manifest.uuid

@@ -1 +1 @@
-c996185a9e0671e46bed06e5803b1ca3b42d61e2
+9e96511f83476e489fa62a05241393a851cbac5c

src/test8.c

@@ -13,7 +13,7 @@
 ** is not included in the SQLite library.  It is used for automated
 ** testing of the SQLite library.
 **
-** $Id: test8.c,v 1.18 2006/06/14 22:07:11 drh Exp $
+** $Id: test8.c,v 1.19 2006/06/14 23:43:31 drh Exp $
 */
 #include "sqliteInt.h"
 #include "tcl.h"
@@ -486,6 +486,69 @@ int echoUpdate(sqlite3_vtab *tab, int nData, sqlite3_value **apData){
 
   assert( nData==pVtab->nCol+2 || nData==1 );
 
+  /* If apData[0] is an integer and nData>1 then do an UPDATE */
+  if( nData>1 && sqlite3_value_type(apData[0])==SQLITE_INTEGER ){
+    char *zUpdate = sqlite3_mprintf("UPDATE %Q", pVtab->zTableName);
+    char *zSep = " SET";
+    char *zTemp;
+    int i, j;
+    sqlite3_stmt *pStmt;
+    
+    if( apData[1] && sqlite3_value_type(apData[1])  &&
+           sqlite3_value_int64(apData[0])!=sqlite3_value_int64(apData[1]) ){
+       zTemp = sqlite3_mprintf("%s SET rowid=%lld", zUpdate, zSep,
+                                sqlite3_value_int64(apData[1]));
+       sqlite3_free(zUpdate);
+       zUpdate = zTemp;
+       zSep = ",";
+    }
+    for(i=2; i<nData; i++){
+      if( apData[i]==0 ) continue;
+      zTemp = sqlite3_mprintf("%s%s %Q=?", zUpdate, zSep, pVtab->aCol[i-2]);
+      sqlite3_free(zUpdate);
+      zUpdate = zTemp;
+      zSep = ",";
+    }
+    zTemp = sqlite3_mprintf("%s WHERE rowid=%lld", zUpdate,
+                             sqlite3_value_int64(apData[0]));
+    sqlite3_free(zUpdate);
+    zUpdate = zTemp;
+    rc = sqlite3_prepare(db, zUpdate, -1, &pStmt, 0);
+    assert( rc!=SQLITE_OK || pStmt );
+    if( rc ) return rc;
+    for(i=2, j=1; i<nData; i++){
+      if( apData[i]==0 ) continue;
+      switch( sqlite3_value_type(apData[i]) ){
+        case SQLITE_INTEGER: {
+          sqlite3_bind_int64(pStmt, j, sqlite3_value_int64(apData[i]));
+          break;
+        }
+        case SQLITE_FLOAT: {
+          sqlite3_bind_double(pStmt, j, sqlite3_value_double(apData[i]));
+          break;
+        }
+        case SQLITE_NULL: {
+          sqlite3_bind_null(pStmt, j);
+          break;
+        }
+        case SQLITE_TEXT: {
+          sqlite3_bind_text(pStmt, j, sqlite3_value_text(apData[i]),
+                            sqlite3_value_bytes(apData[i]), SQLITE_TRANSIENT);
+          break;
+        }
+        case SQLITE_BLOB: {
+          sqlite3_bind_blob(pStmt, j, sqlite3_value_blob(apData[i]),
+                            sqlite3_value_bytes(apData[i]), SQLITE_TRANSIENT);
+          break;
+        }
+      }
+      j++;
+    }
+    sqlite3_step(pStmt);
+    rc = sqlite3_finalize(pStmt);
+    return rc;
+  }
+
   /* If apData[0] is an integer, delete the identified row */
   if( sqlite3_value_type(apData[0])==SQLITE_INTEGER ){
     const char *zFormat = "DELETE FROM %Q WHERE rowid = ?";