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Snapshot of upstream SQLite 3.8.8.3

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This commit is contained in:
Nick Parker
2015-03-20 09:04:26 -05:00
parent 0b99d5d75c
commit d4954191b9
268 changed files with 22774 additions and 6664 deletions
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src/sqliteInt.h
+227 -106
View File
@@ -15,6 +15,14 @@
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
/*
** Include the header file used to customize the compiler options for MSVC.
** This should be done first so that it can successfully prevent spurious
** compiler warnings due to subsequent content in this file and other files
** that are included by this file.
*/
#include "msvc.h"
/*
** These #defines should enable >2GB file support on POSIX if the
** underlying operating system supports it. If the OS lacks
@@ -47,6 +55,15 @@
# define _LARGEFILE_SOURCE 1
#endif
/* Needed for various definitions... */
#if defined(__GNUC__) && !defined(_GNU_SOURCE)
# define _GNU_SOURCE
#endif
#if defined(__OpenBSD__) && !defined(_BSD_SOURCE)
# define _BSD_SOURCE
#endif
/*
** For MinGW, check to see if we can include the header file containing its
** version information, among other things. Normally, this internal MinGW
@@ -104,15 +121,6 @@
#pragma warn -spa /* Suspicious pointer arithmetic */
#endif
/* Needed for various definitions... */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#if defined(__OpenBSD__) && !defined(_BSD_SOURCE)
# define _BSD_SOURCE
#endif
/*
** Include standard header files as necessary
*/
@@ -153,6 +161,18 @@
# define SQLITE_PTR_TO_INT(X) ((int)(X))
#endif
/*
** A macro to hint to the compiler that a function should not be
** inlined.
*/
#if defined(__GNUC__)
# define SQLITE_NOINLINE __attribute__((noinline))
#elif defined(_MSC_VER) && _MSC_VER>=1310
# define SQLITE_NOINLINE __declspec(noinline)
#else
# define SQLITE_NOINLINE
#endif
/*
** The SQLITE_THREADSAFE macro must be defined as 0, 1, or 2.
** 0 means mutexes are permanently disable and the library is never
@@ -181,10 +201,9 @@
#endif
/*
** The SQLITE_DEFAULT_MEMSTATUS macro must be defined as either 0 or 1.
** It determines whether or not the features related to
** SQLITE_CONFIG_MEMSTATUS are available by default or not. This value can
** be overridden at runtime using the sqlite3_config() API.
** EVIDENCE-OF: R-25715-37072 Memory allocation statistics are enabled by
** default unless SQLite is compiled with SQLITE_DEFAULT_MEMSTATUS=0 in
** which case memory allocation statistics are disabled by default.
*/
#if !defined(SQLITE_DEFAULT_MEMSTATUS)
# define SQLITE_DEFAULT_MEMSTATUS 1
@@ -339,7 +358,7 @@
#endif
/*
** Return true (non-zero) if the input is a integer that is too large
** Return true (non-zero) if the input is an integer that is too large
** to fit in 32-bits. This macro is used inside of various testcase()
** macros to verify that we have tested SQLite for large-file support.
*/
@@ -422,6 +441,27 @@
# define SQLITE_TEMP_STORE_xc 1 /* Exclude from ctime.c */
#endif
/*
** If no value has been provided for SQLITE_MAX_WORKER_THREADS, or if
** SQLITE_TEMP_STORE is set to 3 (never use temporary files), set it
** to zero.
*/
#if SQLITE_TEMP_STORE==3 || SQLITE_THREADSAFE==0
# undef SQLITE_MAX_WORKER_THREADS
# define SQLITE_MAX_WORKER_THREADS 0
#endif
#ifndef SQLITE_MAX_WORKER_THREADS
# define SQLITE_MAX_WORKER_THREADS 8
#endif
#ifndef SQLITE_DEFAULT_WORKER_THREADS
# define SQLITE_DEFAULT_WORKER_THREADS 0
#endif
#if SQLITE_DEFAULT_WORKER_THREADS>SQLITE_MAX_WORKER_THREADS
# undef SQLITE_MAX_WORKER_THREADS
# define SQLITE_MAX_WORKER_THREADS SQLITE_DEFAULT_WORKER_THREADS
#endif
/*
** GCC does not define the offsetof() macro so we'll have to do it
** ourselves.
@@ -436,6 +476,11 @@
#define MIN(A,B) ((A)<(B)?(A):(B))
#define MAX(A,B) ((A)>(B)?(A):(B))
/*
** Swap two objects of type TYPE.
*/
#define SWAP(TYPE,A,B) {TYPE t=A; A=B; B=t;}
/*
** Check to see if this machine uses EBCDIC. (Yes, believe it or
** not, there are still machines out there that use EBCDIC.)
@@ -525,7 +570,7 @@ typedef INT8_TYPE i8; /* 1-byte signed integer */
** gives a possible range of values of approximately 1.0e986 to 1e-986.
** But the allowed values are "grainy". Not every value is representable.
** For example, quantities 16 and 17 are both represented by a LogEst
** of 40. However, since LogEst quantaties are suppose to be estimates,
** of 40. However, since LogEst quantities are suppose to be estimates,
** not exact values, this imprecision is not a problem.
**
** "LogEst" is short for "Logarithmic Estimate".
@@ -606,7 +651,7 @@ extern const int sqlite3one;
** all alignment restrictions correct.
**
** Except, if SQLITE_4_BYTE_ALIGNED_MALLOC is defined, then the
** underlying malloc() implemention might return us 4-byte aligned
** underlying malloc() implementation might return us 4-byte aligned
** pointers. In that case, only verify 4-byte alignment.
*/
#ifdef SQLITE_4_BYTE_ALIGNED_MALLOC
@@ -673,6 +718,16 @@ extern const int sqlite3one;
# undef SQLITE_ENABLE_STAT3_OR_STAT4
#endif
/*
** SELECTTRACE_ENABLED will be either 1 or 0 depending on whether or not
** the Select query generator tracing logic is turned on.
*/
#if defined(SQLITE_DEBUG) || defined(SQLITE_ENABLE_SELECTTRACE)
# define SELECTTRACE_ENABLED 1
#else
# define SELECTTRACE_ENABLED 0
#endif
/*
** An instance of the following structure is used to store the busy-handler
** callback for a given sqlite handle.
@@ -805,12 +860,14 @@ typedef struct PrintfArguments PrintfArguments;
typedef struct RowSet RowSet;
typedef struct Savepoint Savepoint;
typedef struct Select Select;
typedef struct SQLiteThread SQLiteThread;
typedef struct SelectDest SelectDest;
typedef struct SrcList SrcList;
typedef struct StrAccum StrAccum;
typedef struct Table Table;
typedef struct TableLock TableLock;
typedef struct Token Token;
typedef struct TreeView TreeView;
typedef struct Trigger Trigger;
typedef struct TriggerPrg TriggerPrg;
typedef struct TriggerStep TriggerStep;
@@ -907,7 +964,7 @@ struct Schema {
** The number of different kinds of things that can be limited
** using the sqlite3_limit() interface.
*/
#define SQLITE_N_LIMIT (SQLITE_LIMIT_TRIGGER_DEPTH+1)
#define SQLITE_N_LIMIT (SQLITE_LIMIT_WORKER_THREADS+1)
/*
** Lookaside malloc is a set of fixed-size buffers that can be used
@@ -954,6 +1011,45 @@ struct FuncDefHash {
FuncDef *a[23]; /* Hash table for functions */
};
#ifdef SQLITE_USER_AUTHENTICATION
/*
** Information held in the "sqlite3" database connection object and used
** to manage user authentication.
*/
typedef struct sqlite3_userauth sqlite3_userauth;
struct sqlite3_userauth {
u8 authLevel; /* Current authentication level */
int nAuthPW; /* Size of the zAuthPW in bytes */
char *zAuthPW; /* Password used to authenticate */
char *zAuthUser; /* User name used to authenticate */
};
/* Allowed values for sqlite3_userauth.authLevel */
#define UAUTH_Unknown 0 /* Authentication not yet checked */
#define UAUTH_Fail 1 /* User authentication failed */
#define UAUTH_User 2 /* Authenticated as a normal user */
#define UAUTH_Admin 3 /* Authenticated as an administrator */
/* Functions used only by user authorization logic */
int sqlite3UserAuthTable(const char*);
int sqlite3UserAuthCheckLogin(sqlite3*,const char*,u8*);
void sqlite3UserAuthInit(sqlite3*);
void sqlite3CryptFunc(sqlite3_context*,int,sqlite3_value**);
#endif /* SQLITE_USER_AUTHENTICATION */
/*
** typedef for the authorization callback function.
*/
#ifdef SQLITE_USER_AUTHENTICATION
typedef int (*sqlite3_xauth)(void*,int,const char*,const char*,const char*,
const char*, const char*);
#else
typedef int (*sqlite3_xauth)(void*,int,const char*,const char*,const char*,
const char*);
#endif
/*
** Each database connection is an instance of the following structure.
*/
@@ -971,6 +1067,7 @@ struct sqlite3 {
int errCode; /* Most recent error code (SQLITE_*) */
int errMask; /* & result codes with this before returning */
u16 dbOptFlags; /* Flags to enable/disable optimizations */
u8 enc; /* Text encoding */
u8 autoCommit; /* The auto-commit flag. */
u8 temp_store; /* 1: file 2: memory 0: default */
u8 mallocFailed; /* True if we have seen a malloc failure */
@@ -984,6 +1081,7 @@ struct sqlite3 {
int nChange; /* Value returned by sqlite3_changes() */
int nTotalChange; /* Value returned by sqlite3_total_changes() */
int aLimit[SQLITE_N_LIMIT]; /* Limits */
int nMaxSorterMmap; /* Maximum size of regions mapped by sorter */
struct sqlite3InitInfo { /* Information used during initialization */
int newTnum; /* Rootpage of table being initialized */
u8 iDb; /* Which db file is being initialized */
@@ -1020,8 +1118,7 @@ struct sqlite3 {
} u1;
Lookaside lookaside; /* Lookaside malloc configuration */
#ifndef SQLITE_OMIT_AUTHORIZATION
int (*xAuth)(void*,int,const char*,const char*,const char*,const char*);
/* Access authorization function */
sqlite3_xauth xAuth; /* Access authorization function */
void *pAuthArg; /* 1st argument to the access auth function */
#endif
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
@@ -1047,7 +1144,6 @@ struct sqlite3 {
i64 nDeferredCons; /* Net deferred constraints this transaction. */
i64 nDeferredImmCons; /* Net deferred immediate constraints */
int *pnBytesFreed; /* If not NULL, increment this in DbFree() */
#ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
/* The following variables are all protected by the STATIC_MASTER
** mutex, not by sqlite3.mutex. They are used by code in notify.c.
@@ -1065,12 +1161,16 @@ struct sqlite3 {
void (*xUnlockNotify)(void **, int); /* Unlock notify callback */
sqlite3 *pNextBlocked; /* Next in list of all blocked connections */
#endif
#ifdef SQLITE_USER_AUTHENTICATION
sqlite3_userauth auth; /* User authentication information */
#endif
};
/*
** A macro to discover the encoding of a database.
*/
#define ENC(db) ((db)->aDb[0].pSchema->enc)
#define SCHEMA_ENC(db) ((db)->aDb[0].pSchema->enc)
#define ENC(db) ((db)->enc)
/*
** Possible values for the sqlite3.flags.
@@ -1123,8 +1223,7 @@ struct sqlite3 {
#define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */
#define SQLITE_Transitive 0x0200 /* Transitive constraints */
#define SQLITE_OmitNoopJoin 0x0400 /* Omit unused tables in joins */
#define SQLITE_Stat3 0x0800 /* Use the SQLITE_STAT3 table */
#define SQLITE_AdjustOutEst 0x1000 /* Adjust output estimates using WHERE */
#define SQLITE_Stat34 0x0800 /* Use STAT3 or STAT4 data */
#define SQLITE_AllOpts 0xffff /* All optimizations */
/*
@@ -1211,6 +1310,7 @@ struct FuncDestructor {
#define SQLITE_FUNC_COALESCE 0x200 /* Built-in coalesce() or ifnull() */
#define SQLITE_FUNC_UNLIKELY 0x400 /* Built-in unlikely() function */
#define SQLITE_FUNC_CONSTANT 0x800 /* Constant inputs give a constant output */
#define SQLITE_FUNC_MINMAX 0x1000 /* True for min() and max() aggregates */
/*
** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are
@@ -1258,6 +1358,9 @@ struct FuncDestructor {
#define AGGREGATE(zName, nArg, arg, nc, xStep, xFinal) \
{nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL), \
SQLITE_INT_TO_PTR(arg), 0, 0, xStep,xFinal,#zName,0,0}
#define AGGREGATE2(zName, nArg, arg, nc, xStep, xFinal, extraFlags) \
{nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL)|extraFlags, \
SQLITE_INT_TO_PTR(arg), 0, 0, xStep,xFinal,#zName,0,0}
/*
** All current savepoints are stored in a linked list starting at
@@ -1344,18 +1447,18 @@ struct CollSeq {
** 't' for SQLITE_AFF_TEXT. But we can save a little space and improve
** the speed a little by numbering the values consecutively.
**
** But rather than start with 0 or 1, we begin with 'a'. That way,
** But rather than start with 0 or 1, we begin with 'A'. That way,
** when multiple affinity types are concatenated into a string and
** used as the P4 operand, they will be more readable.
**
** Note also that the numeric types are grouped together so that testing
** for a numeric type is a single comparison.
** for a numeric type is a single comparison. And the NONE type is first.
*/
#define SQLITE_AFF_TEXT 'a'
#define SQLITE_AFF_NONE 'b'
#define SQLITE_AFF_NUMERIC 'c'
#define SQLITE_AFF_INTEGER 'd'
#define SQLITE_AFF_REAL 'e'
#define SQLITE_AFF_NONE 'A'
#define SQLITE_AFF_TEXT 'B'
#define SQLITE_AFF_NUMERIC 'C'
#define SQLITE_AFF_INTEGER 'D'
#define SQLITE_AFF_REAL 'E'
#define sqlite3IsNumericAffinity(X) ((X)>=SQLITE_AFF_NUMERIC)
@@ -1363,7 +1466,7 @@ struct CollSeq {
** The SQLITE_AFF_MASK values masks off the significant bits of an
** affinity value.
*/
#define SQLITE_AFF_MASK 0x67
#define SQLITE_AFF_MASK 0x47
/*
** Additional bit values that can be ORed with an affinity without
@@ -1374,10 +1477,10 @@ struct CollSeq {
** operator is NULL. It is added to certain comparison operators to
** prove that the operands are always NOT NULL.
*/
#define SQLITE_JUMPIFNULL 0x08 /* jumps if either operand is NULL */
#define SQLITE_STOREP2 0x10 /* Store result in reg[P2] rather than jump */
#define SQLITE_JUMPIFNULL 0x10 /* jumps if either operand is NULL */
#define SQLITE_STOREP2 0x20 /* Store result in reg[P2] rather than jump */
#define SQLITE_NULLEQ 0x80 /* NULL=NULL */
#define SQLITE_NOTNULL 0x88 /* Assert that operands are never NULL */
#define SQLITE_NOTNULL 0x90 /* Assert that operands are never NULL */
/*
** An object of this type is created for each virtual table present in
@@ -1647,7 +1750,7 @@ struct UnpackedRecord {
KeyInfo *pKeyInfo; /* Collation and sort-order information */
u16 nField; /* Number of entries in apMem[] */
i8 default_rc; /* Comparison result if keys are equal */
u8 isCorrupt; /* Corruption detected by xRecordCompare() */
u8 errCode; /* Error detected by xRecordCompare (CORRUPT or NOMEM) */
Mem *aMem; /* Values */
int r1; /* Value to return if (lhs > rhs) */
int r2; /* Value to return if (rhs < lhs) */
@@ -1691,7 +1794,6 @@ struct Index {
u8 *aSortOrder; /* for each column: True==DESC, False==ASC */
char **azColl; /* Array of collation sequence names for index */
Expr *pPartIdxWhere; /* WHERE clause for partial indices */
KeyInfo *pKeyInfo; /* A KeyInfo object suitable for this index */
int tnum; /* DB Page containing root of this index */
LogEst szIdxRow; /* Estimated average row size in bytes */
u16 nKeyCol; /* Number of columns forming the key */
@@ -1702,11 +1804,14 @@ struct Index {
unsigned uniqNotNull:1; /* True if UNIQUE and NOT NULL for all columns */
unsigned isResized:1; /* True if resizeIndexObject() has been called */
unsigned isCovering:1; /* True if this is a covering index */
unsigned noSkipScan:1; /* Do not try to use skip-scan if true */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
int nSample; /* Number of elements in aSample[] */
int nSampleCol; /* Size of IndexSample.anEq[] and so on */
tRowcnt *aAvgEq; /* Average nEq values for keys not in aSample */
IndexSample *aSample; /* Samples of the left-most key */
tRowcnt *aiRowEst; /* Non-logarithmic stat1 data for this index */
tRowcnt nRowEst0; /* Non-logarithmic number of rows in the index */
#endif
};
@@ -1904,7 +2009,7 @@ struct Expr {
int iTable; /* TK_COLUMN: cursor number of table holding column
** TK_REGISTER: register number
** TK_TRIGGER: 1 -> new, 0 -> old
** EP_Unlikely: 1000 times likelihood */
** EP_Unlikely: 134217728 times likelihood */
ynVar iColumn; /* TK_COLUMN: column index. -1 for rowid.
** TK_VARIABLE: variable number (always >= 1). */
i16 iAgg; /* Which entry in pAggInfo->aCol[] or ->aFunc[] */
@@ -1919,7 +2024,7 @@ struct Expr {
/*
** The following are the meanings of bits in the Expr.flags field.
*/
#define EP_FromJoin 0x000001 /* Originated in ON or USING clause of a join */
#define EP_FromJoin 0x000001 /* Originates in ON/USING clause of outer join */
#define EP_Agg 0x000002 /* Contains one or more aggregate functions */
#define EP_Resolved 0x000004 /* IDs have been resolved to COLUMNs */
#define EP_Error 0x000008 /* Expression contains one or more errors */
@@ -1939,6 +2044,7 @@ struct Expr {
#define EP_NoReduce 0x020000 /* Cannot EXPRDUP_REDUCE this Expr */
#define EP_Unlikely 0x040000 /* unlikely() or likelihood() function */
#define EP_Constant 0x080000 /* Node is a constant */
#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */
/*
** These macros can be used to test, set, or clear bits in the
@@ -2137,7 +2243,7 @@ struct SrcList {
#define WHERE_OMIT_OPEN_CLOSE 0x0010 /* Table cursors are already open */
#define WHERE_FORCE_TABLE 0x0020 /* Do not use an index-only search */
#define WHERE_ONETABLE_ONLY 0x0040 /* Only code the 1st table in pTabList */
#define WHERE_AND_ONLY 0x0080 /* Don't use indices for OR terms */
/* 0x0080 // not currently used */
#define WHERE_GROUPBY 0x0100 /* pOrderBy is really a GROUP BY */
#define WHERE_DISTINCTBY 0x0200 /* pOrderby is really a DISTINCT clause */
#define WHERE_WANT_DISTINCT 0x0400 /* All output needs to be distinct */
@@ -2180,17 +2286,22 @@ struct NameContext {
NameContext *pNext; /* Next outer name context. NULL for outermost */
int nRef; /* Number of names resolved by this context */
int nErr; /* Number of errors encountered while resolving names */
u8 ncFlags; /* Zero or more NC_* flags defined below */
u16 ncFlags; /* Zero or more NC_* flags defined below */
};
/*
** Allowed values for the NameContext, ncFlags field.
**
** Note: NC_MinMaxAgg must have the same value as SF_MinMaxAgg and
** SQLITE_FUNC_MINMAX.
**
*/
#define NC_AllowAgg 0x01 /* Aggregate functions are allowed here */
#define NC_HasAgg 0x02 /* One or more aggregate functions seen */
#define NC_IsCheck 0x04 /* True if resolving names in a CHECK constraint */
#define NC_InAggFunc 0x08 /* True if analyzing arguments to an agg func */
#define NC_PartIdx 0x10 /* True if resolving a partial index WHERE */
#define NC_AllowAgg 0x0001 /* Aggregate functions are allowed here */
#define NC_HasAgg 0x0002 /* One or more aggregate functions seen */
#define NC_IsCheck 0x0004 /* True if resolving names in a CHECK constraint */
#define NC_InAggFunc 0x0008 /* True if analyzing arguments to an agg func */
#define NC_PartIdx 0x0010 /* True if resolving a partial index WHERE */
#define NC_MinMaxAgg 0x1000 /* min/max aggregates seen. See note above */
/*
** An instance of the following structure contains all information
@@ -2217,6 +2328,9 @@ struct Select {
u8 op; /* One of: TK_UNION TK_ALL TK_INTERSECT TK_EXCEPT */
u16 selFlags; /* Various SF_* values */
int iLimit, iOffset; /* Memory registers holding LIMIT & OFFSET counters */
#if SELECTTRACE_ENABLED
char zSelName[12]; /* Symbolic name of this SELECT use for debugging */
#endif
int addrOpenEphm[2]; /* OP_OpenEphem opcodes related to this select */
u64 nSelectRow; /* Estimated number of result rows */
SrcList *pSrc; /* The FROM clause */
@@ -2241,13 +2355,13 @@ struct Select {
#define SF_UsesEphemeral 0x0008 /* Uses the OpenEphemeral opcode */
#define SF_Expanded 0x0010 /* sqlite3SelectExpand() called on this */
#define SF_HasTypeInfo 0x0020 /* FROM subqueries have Table metadata */
/* 0x0040 NOT USED */
#define SF_Compound 0x0040 /* Part of a compound query */
#define SF_Values 0x0080 /* Synthesized from VALUES clause */
/* 0x0100 NOT USED */
#define SF_AllValues 0x0100 /* All terms of compound are VALUES */
#define SF_NestedFrom 0x0200 /* Part of a parenthesized FROM clause */
#define SF_MaybeConvert 0x0400 /* Need convertCompoundSelectToSubquery() */
#define SF_Recursive 0x0800 /* The recursive part of a recursive CTE */
#define SF_Compound 0x1000 /* Part of a compound query */
#define SF_MinMaxAgg 0x1000 /* Aggregate containing min() or max() */
/*
@@ -2475,6 +2589,10 @@ struct Parse {
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 */
#if SELECTTRACE_ENABLED
int nSelect; /* Number of SELECT statements seen */
int nSelectIndent; /* How far to indent SELECTTRACE() output */
#endif
#ifndef SQLITE_OMIT_SHARED_CACHE
int nTableLock; /* Number of locks in aTableLock */
TableLock *aTableLock; /* Required table locks for shared-cache mode */
@@ -2554,11 +2672,11 @@ struct AuthContext {
** Bitfield flags for P5 value in various opcodes.
*/
#define OPFLAG_NCHANGE 0x01 /* Set to update db->nChange */
#define OPFLAG_EPHEM 0x01 /* OP_Column: Ephemeral output is ok */
#define OPFLAG_LASTROWID 0x02 /* Set to update db->lastRowid */
#define OPFLAG_ISUPDATE 0x04 /* This OP_Insert is an sql UPDATE */
#define OPFLAG_APPEND 0x08 /* This is likely to be an append */
#define OPFLAG_USESEEKRESULT 0x10 /* Try to avoid a seek in BtreeInsert() */
#define OPFLAG_CLEARCACHE 0x20 /* Clear pseudo-table cache in OP_Column */
#define OPFLAG_LENGTHARG 0x40 /* OP_Column only used for length() */
#define OPFLAG_TYPEOFARG 0x80 /* OP_Column only used for typeof() */
#define OPFLAG_BULKCSR 0x01 /* OP_Open** used to open bulk cursor */
@@ -2729,6 +2847,7 @@ struct Sqlite3Config {
int nPage; /* Number of pages in pPage[] */
int mxParserStack; /* maximum depth of the parser stack */
int sharedCacheEnabled; /* true if shared-cache mode enabled */
u32 szPma; /* Maximum Sorter PMA size */
/* The above might be initialized to non-zero. The following need to always
** initially be zero, however. */
int isInit; /* True after initialization has finished */
@@ -2784,9 +2903,11 @@ struct Walker {
void (*xSelectCallback2)(Walker*,Select*);/* Second callback for SELECTs */
Parse *pParse; /* Parser context. */
int walkerDepth; /* Number of subqueries */
u8 eCode; /* A small processing code */
union { /* Extra data for callback */
NameContext *pNC; /* Naming context */
int i; /* Integer value */
int n; /* A counter */
int iCur; /* A cursor number */
SrcList *pSrcList; /* FROM clause */
struct SrcCount *pSrcCount; /* Counting column references */
} u;
@@ -2822,6 +2943,17 @@ struct With {
} a[1];
};
#ifdef SQLITE_DEBUG
/*
** An instance of the TreeView object is used for printing the content of
** data structures on sqlite3DebugPrintf() using a tree-like view.
*/
struct TreeView {
int iLevel; /* Which level of the tree we are on */
u8 bLine[100]; /* Draw vertical in column i if bLine[i] is true */
};
#endif /* SQLITE_DEBUG */
/*
** Assuming zIn points to the first byte of a UTF-8 character,
** advance zIn to point to the first byte of the next UTF-8 character.
@@ -2849,11 +2981,11 @@ int sqlite3CantopenError(int);
/*
** FTS4 is really an extension for FTS3. It is enabled using the
** SQLITE_ENABLE_FTS3 macro. But to avoid confusion we also all
** the SQLITE_ENABLE_FTS4 macro to serve as an alisse for SQLITE_ENABLE_FTS3.
** SQLITE_ENABLE_FTS3 macro. But to avoid confusion we also call
** the SQLITE_ENABLE_FTS4 macro to serve as an alias for SQLITE_ENABLE_FTS3.
*/
#if defined(SQLITE_ENABLE_FTS4) && !defined(SQLITE_ENABLE_FTS3)
# define SQLITE_ENABLE_FTS3
# define SQLITE_ENABLE_FTS3 1
#endif
/*
@@ -2887,6 +3019,7 @@ int sqlite3CantopenError(int);
# define sqlite3Isxdigit(x) isxdigit((unsigned char)(x))
# define sqlite3Tolower(x) tolower((unsigned char)(x))
#endif
int sqlite3IsIdChar(u8);
/*
** Internal function prototypes
@@ -2897,15 +3030,15 @@ int sqlite3Strlen30(const char*);
int sqlite3MallocInit(void);
void sqlite3MallocEnd(void);
void *sqlite3Malloc(int);
void *sqlite3MallocZero(int);
void *sqlite3DbMallocZero(sqlite3*, int);
void *sqlite3DbMallocRaw(sqlite3*, int);
void *sqlite3Malloc(u64);
void *sqlite3MallocZero(u64);
void *sqlite3DbMallocZero(sqlite3*, u64);
void *sqlite3DbMallocRaw(sqlite3*, u64);
char *sqlite3DbStrDup(sqlite3*,const char*);
char *sqlite3DbStrNDup(sqlite3*,const char*, int);
void *sqlite3Realloc(void*, int);
void *sqlite3DbReallocOrFree(sqlite3 *, void *, int);
void *sqlite3DbRealloc(sqlite3 *, void *, int);
char *sqlite3DbStrNDup(sqlite3*,const char*, u64);
void *sqlite3Realloc(void*, u64);
void *sqlite3DbReallocOrFree(sqlite3 *, void *, u64);
void *sqlite3DbRealloc(sqlite3 *, void *, u64);
void sqlite3DbFree(sqlite3*, void*);
int sqlite3MallocSize(void*);
int sqlite3DbMallocSize(sqlite3*, void*);
@@ -2985,25 +3118,14 @@ char *sqlite3MAppendf(sqlite3*,char*,const char*,...);
void *sqlite3TestTextToPtr(const char*);
#endif
/* Output formatting for SQLITE_TESTCTRL_EXPLAIN */
#if defined(SQLITE_ENABLE_TREE_EXPLAIN)
void sqlite3ExplainBegin(Vdbe*);
void sqlite3ExplainPrintf(Vdbe*, const char*, ...);
void sqlite3ExplainNL(Vdbe*);
void sqlite3ExplainPush(Vdbe*);
void sqlite3ExplainPop(Vdbe*);
void sqlite3ExplainFinish(Vdbe*);
void sqlite3ExplainSelect(Vdbe*, Select*);
void sqlite3ExplainExpr(Vdbe*, Expr*);
void sqlite3ExplainExprList(Vdbe*, ExprList*);
const char *sqlite3VdbeExplanation(Vdbe*);
#else
# define sqlite3ExplainBegin(X)
# define sqlite3ExplainSelect(A,B)
# define sqlite3ExplainExpr(A,B)
# define sqlite3ExplainExprList(A,B)
# define sqlite3ExplainFinish(X)
# define sqlite3VdbeExplanation(X) 0
#if defined(SQLITE_DEBUG)
TreeView *sqlite3TreeViewPush(TreeView*,u8);
void sqlite3TreeViewPop(TreeView*);
void sqlite3TreeViewLine(TreeView*, const char*, ...);
void sqlite3TreeViewItem(TreeView*, const char*, u8);
void sqlite3TreeViewExpr(TreeView*, const Expr*, u8);
void sqlite3TreeViewExprList(TreeView*, const ExprList*, u8, const char*);
void sqlite3TreeViewSelect(TreeView*, const Select*, u8);
#endif
@@ -3185,7 +3307,8 @@ void sqlite3CloseSavepoints(sqlite3 *);
void sqlite3LeaveMutexAndCloseZombie(sqlite3*);
int sqlite3ExprIsConstant(Expr*);
int sqlite3ExprIsConstantNotJoin(Expr*);
int sqlite3ExprIsConstantOrFunction(Expr*);
int sqlite3ExprIsConstantOrFunction(Expr*, u8);
int sqlite3ExprIsTableConstant(Expr*,int);
int sqlite3ExprIsInteger(Expr*, int*);
int sqlite3ExprCanBeNull(const Expr*);
int sqlite3ExprNeedsNoAffinityChange(const Expr*, char);
@@ -3209,6 +3332,11 @@ ExprList *sqlite3ExprListDup(sqlite3*,ExprList*,int);
SrcList *sqlite3SrcListDup(sqlite3*,SrcList*,int);
IdList *sqlite3IdListDup(sqlite3*,IdList*);
Select *sqlite3SelectDup(sqlite3*,Select*,int);
#if SELECTTRACE_ENABLED
void sqlite3SelectSetName(Select*,const char*);
#else
# define sqlite3SelectSetName(A,B)
#endif
void sqlite3FuncDefInsert(FuncDefHash*, FuncDef*);
FuncDef *sqlite3FindFunction(sqlite3*,const char*,int,int,u8,u8);
void sqlite3RegisterBuiltinFunctions(sqlite3*);
@@ -3295,38 +3423,23 @@ u64 sqlite3LogEstToInt(LogEst);
/*
** Routines to read and write variable-length integers. These used to
** be defined locally, but now we use the varint routines in the util.c
** file. Code should use the MACRO forms below, as the Varint32 versions
** are coded to assume the single byte case is already handled (which
** the MACRO form does).
** file.
*/
int sqlite3PutVarint(unsigned char*, u64);
int sqlite3PutVarint32(unsigned char*, u32);
u8 sqlite3GetVarint(const unsigned char *, u64 *);
u8 sqlite3GetVarint32(const unsigned char *, u32 *);
int sqlite3VarintLen(u64 v);
/*
** The header of a record consists of a sequence variable-length integers.
** These integers are almost always small and are encoded as a single byte.
** The following macros take advantage this fact to provide a fast encode
** and decode of the integers in a record header. It is faster for the common
** case where the integer is a single byte. It is a little slower when the
** integer is two or more bytes. But overall it is faster.
**
** The following expressions are equivalent:
**
** x = sqlite3GetVarint32( A, &B );
** x = sqlite3PutVarint32( A, B );
**
** x = getVarint32( A, B );
** x = putVarint32( A, B );
**
** The common case is for a varint to be a single byte. They following
** macros handle the common case without a procedure call, but then call
** the procedure for larger varints.
*/
#define getVarint32(A,B) \
(u8)((*(A)<(u8)0x80)?((B)=(u32)*(A)),1:sqlite3GetVarint32((A),(u32 *)&(B)))
#define putVarint32(A,B) \
(u8)(((u32)(B)<(u32)0x80)?(*(A)=(unsigned char)(B)),1:\
sqlite3PutVarint32((A),(B)))
sqlite3PutVarint((A),(B)))
#define getVarint sqlite3GetVarint
#define putVarint sqlite3PutVarint
@@ -3338,7 +3451,8 @@ int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity);
char sqlite3ExprAffinity(Expr *pExpr);
int sqlite3Atoi64(const char*, i64*, int, u8);
int sqlite3DecOrHexToI64(const char*, i64*);
void sqlite3Error(sqlite3*, int, const char*,...);
void sqlite3ErrorWithMsg(sqlite3*, int, const char*,...);
void sqlite3Error(sqlite3*,int);
void *sqlite3HexToBlob(sqlite3*, const char *z, int n);
u8 sqlite3HexToInt(int h);
int sqlite3TwoPartName(Parse *, Token *, Token *, Token **);
@@ -3440,7 +3554,7 @@ int sqlite3OpenTempDatabase(Parse *);
void sqlite3StrAccumInit(StrAccum*, char*, int, int);
void sqlite3StrAccumAppend(StrAccum*,const char*,int);
void sqlite3StrAccumAppendAll(StrAccum*,const char*);
void sqlite3AppendSpace(StrAccum*,int);
void sqlite3AppendChar(StrAccum*,int,char);
char *sqlite3StrAccumFinish(StrAccum*);
void sqlite3StrAccumReset(StrAccum*);
void sqlite3SelectDestInit(SelectDest*,int,int);
@@ -3460,7 +3574,7 @@ int sqlite3Stat4Column(sqlite3*, const void*, int, int, sqlite3_value**);
/*
** The interface to the LEMON-generated parser
*/
void *sqlite3ParserAlloc(void*(*)(size_t));
void *sqlite3ParserAlloc(void*(*)(u64));
void sqlite3ParserFree(void*, void(*)(void*));
void sqlite3Parser(void*, int, Token, Parse*);
#ifdef YYTRACKMAXSTACKDEPTH
@@ -3700,9 +3814,16 @@ SQLITE_EXTERN void (*sqlite3IoTrace)(const char*,...);
# define sqlite3MemdebugNoType(X,Y) 1
#endif
#define MEMTYPE_HEAP 0x01 /* General heap allocations */
#define MEMTYPE_LOOKASIDE 0x02 /* Might have been lookaside memory */
#define MEMTYPE_LOOKASIDE 0x02 /* Heap that might have been lookaside */
#define MEMTYPE_SCRATCH 0x04 /* Scratch allocations */
#define MEMTYPE_PCACHE 0x08 /* Page cache allocations */
#define MEMTYPE_DB 0x10 /* Uses sqlite3DbMalloc, not sqlite_malloc */
/*
** Threading interface
*/
#if SQLITE_MAX_WORKER_THREADS>0
int sqlite3ThreadCreate(SQLiteThread**,void*(*)(void*),void*);
int sqlite3ThreadJoin(SQLiteThread*, void**);
#endif
#endif /* _SQLITEINT_H_ */