8662 typedef struct Parse Parse;  typedef
11688 struct Parse {  struct
11689   sqlite3 *db;         /* The main database structure */
11690   char *zErrMsg;       /* An error message */
11691   Vdbe *pVdbe;         /* An engine for executing database bytecode */
11692   int rc;              /* Return code from execution */
11693   u8 colNamesSet;      /* TRUE after OP_ColumnName has been issued to pVdbe */
11694   u8 checkSchema;      /* Causes schema cookie check after an error */
11695   u8 nested;           /* Number of nested calls to the parser/code generator */
11696   u8 nTempReg;         /* Number of temporary registers in aTempReg[] */
11697   u8 nTempInUse;       /* Number of aTempReg[] currently checked out */
11698   u8 nColCache;        /* Number of entries in aColCache[] */
11699   u8 iColCache;        /* Next entry in aColCache[] to replace */
11700   u8 isMultiWrite;     /* True if statement may modify/insert multiple rows */
11701   u8 mayAbort;         /* True if statement may throw an ABORT exception */
11702   u8 hasCompound;      /* Need to invoke convertCompoundSelectToSubquery() */
11703   int aTempReg[8];     /* Holding area for temporary registers */
11704   int nRangeReg;       /* Size of the temporary register block */
11705   int iRangeReg;       /* First register in temporary register block */
11706   int nErr;            /* Number of errors seen */
11707   int nTab;            /* Number of previously allocated VDBE cursors */
11708   int nMem;            /* Number of memory cells used so far */
11709   int nSet;            /* Number of sets used so far */
11710   int nOnce;           /* Number of OP_Once instructions so far */
11711   int nOpAlloc;        /* Number of slots allocated for Vdbe.aOp[] */
11712   int nLabel;          /* Number of labels used */
11713   int *aLabel;         /* Space to hold the labels */
11714   int iFixedOp;        /* Never back out opcodes iFixedOp-1 or earlier */
11715   int ckBase;          /* Base register of data during check constraints */
11716   int iPartIdxTab;     /* Table corresponding to a partial index */
11717   int iCacheLevel;     /* ColCache valid when aColCache[].iLevel<=iCacheLevel */
11718   int iCacheCnt;       /* Counter used to generate aColCache[].lru values */
11719   struct yColCache {
11743   Parse *pToplevel;    /* Parse structure for main program (or NULL) */  argument
11744   Table *pTriggerTab;  /* Table triggers are being coded for */
11745   int addrCrTab;       /* Address of OP_CreateTable opcode on CREATE TABLE */
11746   int addrSkipPK;      /* Address of instruction to skip PRIMARY KEY index */
11747   u32 nQueryLoop;      /* Est number of iterations of a query (10*log2(N)) */
11748   u32 oldmask;         /* Mask of old.* columns referenced */
11749   u32 newmask;         /* Mask of new.* columns referenced */
11750   u8 eTriggerOp;       /* TK_UPDATE, TK_INSERT or TK_DELETE */
11751   u8 eOrconf;          /* Default ON CONFLICT policy for trigger steps */
11752   u8 disableTriggers;  /* True to disable triggers */
11757   int nVar;                 /* Number of '?' variables seen in the SQL so far */
11758   int nzVar;                /* Number of available slots in azVar[] */
11759   u8 iPkSortOrder;          /* ASC or DESC for INTEGER PRIMARY KEY */
11760   u8 explain;               /* True if the EXPLAIN flag is found on the query */
11762   u8 declareVtab;           /* True if inside sqlite3_declare_vtab() */
11763   int nVtabLock;            /* Number of virtual tables to lock */
11765   int nAlias;               /* Number of aliased result set columns */
11766   int nHeight;              /* Expression tree height of current sub-select */
11768   int iSelectId;            /* ID of current select for EXPLAIN output */
11769   int iNextSelectId;        /* Next available select ID for EXPLAIN output */
11771   char **azVar;             /* Pointers to names of parameters */
11795   #define IN_DECLARE_VTAB (pParse->declareVtab)  argument
11800 ** to save the Parse.zAuthContext value so that it can be restored later.  argument