diff options
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 63 |
1 files changed, 42 insertions, 21 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index 6025d3f14..6ebd8eb4f 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -843,6 +843,11 @@ typedef INT16_TYPE i16; /* 2-byte signed integer */ typedef UINT8_TYPE u8; /* 1-byte unsigned integer */ typedef INT8_TYPE i8; /* 1-byte signed integer */ +/* A bitfield type for use inside of structures. Always follow with :N where +** N is the number of bits. +*/ +typedef unsigned bft; /* Bit Field Type */ + /* ** SQLITE_MAX_U32 is a u64 constant that is the maximum u64 value ** that can be stored in a u32 without loss of data. The value @@ -1012,6 +1017,14 @@ typedef INT16_TYPE LogEst; #define SMALLEST_INT64 (((i64)-1) - LARGEST_INT64) /* +** Macro SMXV(n) return the maximum value that can be held in variable n, +** assuming n is a signed integer type. UMXV(n) is similar for unsigned +** integer types. +*/ +#define SMXV(n) ((((i64)1)<<(sizeof(n)-1))-1) +#define UMXV(n) ((((i64)1)<<(sizeof(n)))-1) + +/* ** Round up a number to the next larger multiple of 8. This is used ** to force 8-byte alignment on 64-bit architectures. ** @@ -1834,6 +1847,9 @@ struct sqlite3 { #define SQLITE_CorruptRdOnly HI(0x00002) /* Prohibit writes due to error */ #define SQLITE_ReadUncommit HI(0x00004) /* READ UNCOMMITTED in shared-cache */ #define SQLITE_FkNoAction HI(0x00008) /* Treat all FK as NO ACTION */ +#define SQLITE_AttachCreate HI(0x00010) /* ATTACH allowed to create new dbs */ +#define SQLITE_AttachWrite HI(0x00020) /* ATTACH allowed to open for write */ +#define SQLITE_Comments HI(0x00040) /* Enable SQL comments */ /* Flags used only if debugging */ #ifdef SQLITE_DEBUG @@ -2423,6 +2439,7 @@ struct Table { } u; Trigger *pTrigger; /* List of triggers on this object */ Schema *pSchema; /* Schema that contains this table */ + u8 aHx[16]; /* Column aHt[K%sizeof(aHt)] might have hash K */ }; /* @@ -3820,25 +3837,32 @@ struct Parse { char *zErrMsg; /* An error message */ Vdbe *pVdbe; /* An engine for executing database bytecode */ int rc; /* Return code from execution */ - u8 colNamesSet; /* TRUE after OP_ColumnName has been issued to pVdbe */ - u8 checkSchema; /* Causes schema cookie check after an error */ + LogEst nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u8 nested; /* Number of nested calls to the parser/code generator */ u8 nTempReg; /* Number of temporary registers in aTempReg[] */ u8 isMultiWrite; /* True if statement may modify/insert multiple rows */ u8 mayAbort; /* True if statement may throw an ABORT exception */ u8 hasCompound; /* Need to invoke convertCompoundSelectToSubquery() */ - u8 okConstFactor; /* OK to factor out constants */ u8 disableLookaside; /* Number of times lookaside has been disabled */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ u8 withinRJSubrtn; /* Nesting level for RIGHT JOIN body subroutines */ - u8 bHasWith; /* True if statement contains WITH */ u8 mSubrtnSig; /* mini Bloom filter on available SubrtnSig.selId */ + u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ + u8 bReturning; /* Coding a RETURNING trigger */ + u8 eOrconf; /* Default ON CONFLICT policy for trigger steps */ + u8 disableTriggers; /* True to disable triggers */ #if defined(SQLITE_DEBUG) || defined(SQLITE_COVERAGE_TEST) u8 earlyCleanup; /* OOM inside sqlite3ParserAddCleanup() */ #endif #ifdef SQLITE_DEBUG u8 ifNotExists; /* Might be true if IF NOT EXISTS. Assert()s only */ + u8 isCreate; /* CREATE TABLE, INDEX, or VIEW (but not TRIGGER) + ** and ALTER TABLE ADD COLUMN. */ #endif + bft colNamesSet :1; /* TRUE after OP_ColumnName has been issued to pVdbe */ + bft bHasWith :1; /* True if statement contains WITH */ + bft okConstFactor :1; /* OK to factor out constants */ + bft checkSchema :1; /* Causes schema cookie check after an error */ int nRangeReg; /* Size of the temporary register block */ int iRangeReg; /* First register in temporary register block */ int nErr; /* Number of errors seen */ @@ -3853,12 +3877,9 @@ struct Parse { ExprList *pConstExpr;/* Constant expressions */ IndexedExpr *pIdxEpr;/* List of expressions used by active indexes */ IndexedExpr *pIdxPartExpr; /* Exprs constrained by index WHERE clauses */ - Token constraintName;/* Name of the constraint currently being parsed */ yDbMask writeMask; /* Start a write transaction on these databases */ yDbMask cookieMask; /* Bitmask of schema verified databases */ - int regRowid; /* Register holding rowid of CREATE TABLE entry */ - int regRoot; /* Register holding root page number for new objects */ - int nMaxArg; /* Max args passed to user function by sub-program */ + int nMaxArg; /* Max args to xUpdate and xFilter vtab methods */ int nSelect; /* Number of SELECT stmts. Counter for Select.selId */ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */ @@ -3872,17 +3893,6 @@ struct Parse { Table *pTriggerTab; /* Table triggers are being coded for */ TriggerPrg *pTriggerPrg; /* Linked list of coded triggers */ ParseCleanup *pCleanup; /* List of cleanup operations to run after parse */ - union { - int addrCrTab; /* Address of OP_CreateBtree on CREATE TABLE */ - Returning *pReturning; /* The RETURNING clause */ - } u1; - u32 oldmask; /* Mask of old.* columns referenced */ - u32 newmask; /* Mask of new.* columns referenced */ - LogEst nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ - u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ - u8 bReturning; /* Coding a RETURNING trigger */ - u8 eOrconf; /* Default ON CONFLICT policy for trigger steps */ - u8 disableTriggers; /* True to disable triggers */ /************************************************************************** ** Fields above must be initialized to zero. The fields that follow, @@ -3894,6 +3904,19 @@ struct Parse { int aTempReg[8]; /* Holding area for temporary registers */ Parse *pOuterParse; /* Outer Parse object when nested */ Token sNameToken; /* Token with unqualified schema object name */ + u32 oldmask; /* Mask of old.* columns referenced */ + u32 newmask; /* Mask of new.* columns referenced */ + union { + struct { /* These fields available when isCreate is true */ + int addrCrTab; /* Address of OP_CreateBtree on CREATE TABLE */ + int regRowid; /* Register holding rowid of CREATE TABLE entry */ + int regRoot; /* Register holding root page for new objects */ + Token constraintName; /* Name of the constraint currently being parsed */ + } cr; + struct { /* These fields available to all other statements */ + Returning *pReturning; /* The RETURNING clause */ + } d; + } u1; /************************************************************************ ** Above is constant between recursions. Below is reset before and after @@ -3911,9 +3934,7 @@ struct Parse { int nVtabLock; /* Number of virtual tables to lock */ #endif int nHeight; /* Expression tree height of current sub-select */ -#ifndef SQLITE_OMIT_EXPLAIN int addrExplain; /* Address of current OP_Explain opcode */ -#endif VList *pVList; /* Mapping between variable names and numbers */ Vdbe *pReprepare; /* VM being reprepared (sqlite3Reprepare()) */ const char *zTail; /* All SQL text past the last semicolon parsed */ |