Changes to reduce the heap space consumed by triggers, views and tables in the in-memory representation of the schema. Also to reduce the space used by prepared statements slightly. (CVS 6305)

FossilOrigin-Name: d9f6ffbc5ea090ba0daac571fc9a6c68b9c864e4

src/vdbeInt.h

@@ -15,7 +15,7 @@
 ** 6000 lines long) it was split up into several smaller files and
 ** this header information was factored out.
 **
-** $Id: vdbeInt.h,v 1.162 2009/02/03 15:39:01 drh Exp $
+** $Id: vdbeInt.h,v 1.163 2009/02/19 14:39:25 danielk1977 Exp $
 */
 #ifndef _VDBEINT_H_
 #define _VDBEINT_H_
@@ -279,16 +279,13 @@ struct Vdbe {
   u32 magic;              /* Magic number for sanity checking */
   int nMem;               /* Number of memory locations currently allocated */
   Mem *aMem;              /* The memory locations */
-  int nCallback;          /* Number of callbacks invoked so far */
   int cacheCtr;           /* VdbeCursor row cache generation counter */
   int contextStackTop;    /* Index of top element in the context stack */
   int contextStackDepth;  /* The size of the "context" stack */
   Context *contextStack;  /* Stack used by opcodes ContextPush & ContextPop*/
   int pc;                 /* The program counter */
   int rc;                 /* Value to return */
-  unsigned uniqueCnt;     /* Used by OP_MakeRecord when P2!=0 */
   int errorAction;        /* Recovery action to do in case of an error */
-  int inTempTrans;        /* True if temp database is transactioned */
   int nResColumn;         /* Number of columns in one row of the result set */
   char **azResColumn;     /* Values for one row of result */ 
   char *zErrMsg;          /* Error message written here */
@@ -300,12 +297,12 @@ struct Vdbe {
   u8 inVtabMethod;        /* See comments above */
   u8 usesStmtJournal;     /* True if uses a statement journal */
   u8 readOnly;            /* True for read-only statements */
+  u8 isPrepareV2;         /* True if prepared with prepare_v2() */
   int nChange;            /* Number of db changes made since last reset */
   i64 startTime;          /* Time when query started - used for profiling */
   int btreeMask;          /* Bitmask of db->aDb[] entries referenced */
   BtreeMutexArray aMutex; /* An array of Btree used here and needing locks */
   int aCounter[2];        /* Counters used by sqlite3_stmt_status() */
-  int nSql;             /* Number of bytes in zSql */
   char *zSql;           /* Text of the SQL statement that generated this */
 #ifdef SQLITE_DEBUG
   FILE *trace;          /* Write an execution trace here, if not NULL */