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authorsamelian <samelian@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-05-22 20:12:04 +0000
committersamelian <samelian@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-05-22 20:12:04 +0000
commitac87680632b4fb6582d1391b042eff7f0305c0a2 (patch)
treebfeee57d104a1bbc7c387d35190fa55d692115b7 /kopete/plugins/statistics/sqlite/vdbeInt.h
parentaca844682f86c04f6b67b23de2a820fb0c63a32e (diff)
downloadtdenetwork-ac87680632b4fb6582d1391b042eff7f0305c0a2.tar.gz
tdenetwork-ac87680632b4fb6582d1391b042eff7f0305c0a2.zip
[kdenetwork/kopete] added cmake support
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1233119 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kopete/plugins/statistics/sqlite/vdbeInt.h b/kopete/plugins/statistics/sqlite/vdbeInt.h
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-/*
-** 2003 September 6
-**
-** The author disclaims copyright to this source code. In place of
-** a legal notice, here is a blessing:
-**
-** May you do good and not evil.
-** May you find forgiveness for yourself and forgive others.
-** May you share freely, never taking more than you give.
-**
-*************************************************************************
-** This is the header file for information that is private to the
-** VDBE. This information used to all be at the top of the single
-** source code file "vdbe.c". When that file became too big (over
-** 6000 lines long) it was split up into several smaller files and
-** this header information was factored out.
-*/
-
-/*
-** intToKey() and keyToInt() used to transform the rowid. But with
-** the latest versions of the design they are no-ops.
-*/
-#define keyToInt(X) (X)
-#define intToKey(X) (X)
-
-/*
-** The makefile scans the vdbe.c source file and creates the following
-** array of string constants which are the names of all VDBE opcodes. This
-** array is defined in a separate source code file named opcode.c which is
-** automatically generated by the makefile.
-*/
-extern char *sqlite3OpcodeNames[];
-
-/*
-** SQL is translated into a sequence of instructions to be
-** executed by a virtual machine. Each instruction is an instance
-** of the following structure.
-*/
-typedef struct VdbeOp Op;
-
-/*
-** Boolean values
-*/
-typedef unsigned char Bool;
-
-/*
-** A cursor is a pointer into a single BTree within a database file.
-** The cursor can seek to a BTree entry with a particular key, or
-** loop over all entries of the Btree. You can also insert new BTree
-** entries or retrieve the key or data from the entry that the cursor
-** is currently pointing to.
-**
-** Every cursor that the virtual machine has open is represented by an
-** instance of the following structure.
-**
-** If the Cursor.isTriggerRow flag is set it means that this cursor is
-** really a single row that represents the NEW or OLD pseudo-table of
-** a row trigger. The data for the row is stored in Cursor.pData and
-** the rowid is in Cursor.iKey.
-*/
-struct Cursor {
- BtCursor *pCursor; /* The cursor structure of the backend */
- i64 lastRecno; /* Last recno from a Next or NextIdx operation */
- i64 nextRowid; /* Next rowid returned by OP_NewRowid */
- Bool zeroed; /* True if zeroed out and ready for reuse */
- Bool recnoIsValid; /* True if lastRecno is valid */
- Bool keyAsData; /* The OP_Column command works on key instead of data */
- Bool atFirst; /* True if pointing to first entry */
- Bool useRandomRowid; /* Generate new record numbers semi-randomly */
- Bool nullRow; /* True if pointing to a row with no data */
- Bool nextRowidValid; /* True if the nextRowid field is valid */
- Bool pseudoTable; /* This is a NEW or OLD pseudo-tables of a trigger */
- Bool deferredMoveto; /* A call to sqlite3BtreeMoveto() is needed */
- Bool intKey; /* True if the table requires integer keys */
- Bool zeroData; /* True if table contains keys only - no data */
- u8 bogusIncrKey; /* Something for pIncrKey to point to if pKeyInfo==0 */
- i64 movetoTarget; /* Argument to the deferred sqlite3BtreeMoveto() */
- Btree *pBt; /* Separate file holding temporary table */
- int nData; /* Number of bytes in pData */
- char *pData; /* Data for a NEW or OLD pseudo-table */
- i64 iKey; /* Key for the NEW or OLD pseudo-table row */
- u8 *pIncrKey; /* Pointer to pKeyInfo->incrKey */
- KeyInfo *pKeyInfo; /* Info about index keys needed by index cursors */
- int nField; /* Number of fields in the header */
-
- /* Cached information about the header for the data record that the
- ** cursor is currently pointing to. Only valid if cacheValid is true.
- ** zRow might point to (ephemeral) data for the current row, or it might
- ** be NULL. */
- Bool cacheValid; /* True if the cache is valid */
- int payloadSize; /* Total number of bytes in the record */
- u32 *aType; /* Type values for all entries in the record */
- u32 *aOffset; /* Cached offsets to the start of each columns data */
- u8 *aRow; /* Data for the current row, if all on one page */
-};
-typedef struct Cursor Cursor;
-
-/*
-** Number of bytes of string storage space available to each stack
-** layer without having to malloc. NBFS is short for Number of Bytes
-** For Strings.
-*/
-#define NBFS 32
-
-/*
-** Internally, the vdbe manipulates nearly all SQL values as Mem
-** structures. Each Mem struct may cache multiple representations (string,
-** integer etc.) of the same value. A value (and therefore Mem structure)
-** has the following properties:
-**
-** Each value has a manifest type. The manifest type of the value stored
-** in a Mem struct is returned by the MemType(Mem*) macro. The type is
-** one of SQLITE_NULL, SQLITE_INTEGER, SQLITE_REAL, SQLITE_TEXT or
-** SQLITE_BLOB.
-*/
-struct Mem {
- i64 i; /* Integer value */
- int n; /* Number of characters in string value, including '\0' */
- u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */
- u8 type; /* One of MEM_Null, MEM_Str, etc. */
- u8 enc; /* TEXT_Utf8, TEXT_Utf16le, or TEXT_Utf16be */
- double r; /* Real value */
- char *z; /* String or BLOB value */
- void (*xDel)(void *); /* If not null, call this function to delete Mem.z */
- char zShort[NBFS]; /* Space for short strings */
-};
-typedef struct Mem Mem;
-
-/*
-** A sorter builds a list of elements to be sorted. Each element of
-** the list is an instance of the following structure.
-*/
-typedef struct Sorter Sorter;
-struct Sorter {
- int nKey; /* Number of bytes in the key */
- char *zKey; /* The key by which we will sort */
- Mem data;
- Sorter *pNext; /* Next in the list */
-};
-
-/*
-** Number of buckets used for merge-sort.
-*/
-#define NSORT 30
-
-/* One or more of the following flags are set to indicate the validOK
-** representations of the value stored in the Mem struct.
-**
-** If the MEM_Null flag is set, then the value is an SQL NULL value.
-** No other flags may be set in this case.
-**
-** If the MEM_Str flag is set then Mem.z points at a string representation.
-** Usually this is encoded in the same unicode encoding as the main
-** database (see below for exceptions). If the MEM_Term flag is also
-** set, then the string is nul terminated. The MEM_Int and MEM_Real
-** flags may coexist with the MEM_Str flag.
-**
-** Multiple of these values can appear in Mem.flags. But only one
-** at a time can appear in Mem.type.
-*/
-#define MEM_Null 0x0001 /* Value is NULL */
-#define MEM_Str 0x0002 /* Value is a string */
-#define MEM_Int 0x0004 /* Value is an integer */
-#define MEM_Real 0x0008 /* Value is a real number */
-#define MEM_Blob 0x0010 /* Value is a BLOB */
-
-/* Whenever Mem contains a valid string or blob representation, one of
-** the following flags must be set to determine the memory management
-** policy for Mem.z. The MEM_Term flag tells us whether or not the
-** string is \000 or \u0000 terminated
-*/
-#define MEM_Term 0x0020 /* String rep is nul terminated */
-#define MEM_Dyn 0x0040 /* Need to call sqliteFree() on Mem.z */
-#define MEM_Static 0x0080 /* Mem.z points to a static string */
-#define MEM_Ephem 0x0100 /* Mem.z points to an ephemeral string */
-#define MEM_Short 0x0200 /* Mem.z points to Mem.zShort */
-
-/* The following MEM_ value appears only in AggElem.aMem.s.flag fields.
-** It indicates that the corresponding AggElem.aMem.z points to a
-** aggregate function context that needs to be finalized.
-*/
-#define MEM_AggCtx 0x0400 /* Mem.z points to an agg function context */
-
-
-/* A VdbeFunc is just a FuncDef (defined in sqliteInt.h) that contains
-** additional information about auxiliary information bound to arguments
-** of the function. This is used to implement the sqlite3_get_auxdata()
-** and sqlite3_set_auxdata() APIs. The "auxdata" is some auxiliary data
-** that can be associated with a constant argument to a function. This
-** allows functions such as "regexp" to compile their constant regular
-** expression argument once and reused the compiled code for multiple
-** invocations.
-*/
-struct VdbeFunc {
- FuncDef *pFunc; /* The definition of the function */
- int nAux; /* Number of entries allocated for apAux[] */
- struct AuxData {
- void *pAux; /* Aux data for the i-th argument */
- void (*xDelete)(void *); /* Destructor for the aux data */
- } apAux[1]; /* One slot for each function argument */
-};
-typedef struct VdbeFunc VdbeFunc;
-
-/*
-** The "context" argument for a installable function. A pointer to an
-** instance of this structure is the first argument to the routines used
-** implement the SQL functions.
-**
-** There is a typedef for this structure in sqlite.h. So all routines,
-** even the public interface to SQLite, can use a pointer to this structure.
-** But this file is the only place where the internal details of this
-** structure are known.
-**
-** This structure is defined inside of vdbe.c because it uses substructures
-** (Mem) which are only defined there.
-*/
-struct sqlite3_context {
- FuncDef *pFunc; /* Pointer to function information. MUST BE FIRST */
- VdbeFunc *pVdbeFunc; /* Auxilary data, if created. */
- Mem s; /* The return value is stored here */
- void *pAgg; /* Aggregate context */
- u8 isError; /* Set to true for an error */
- u8 isStep; /* Current in the step function */
- int cnt; /* Number of times that the step function has been called */
- CollSeq *pColl;
-};
-
-/*
-** An Agg structure describes an Aggregator. Each Agg consists of
-** zero or more Aggregator elements (AggElem). Each AggElem contains
-** a key and one or more values. The values are used in processing
-** aggregate functions in a SELECT. The key is used to implement
-** the GROUP BY clause of a select.
-*/
-typedef struct Agg Agg;
-typedef struct AggElem AggElem;
-struct Agg {
- int nMem; /* Number of values stored in each AggElem */
- AggElem *pCurrent; /* The AggElem currently in focus */
- FuncDef **apFunc; /* Information about aggregate functions */
- Btree *pBtree; /* The tmp. btree used to group elements, if required. */
- BtCursor *pCsr; /* Read/write cursor to the table in pBtree */
- int nTab; /* Root page of the table in pBtree */
- u8 searching; /* True between the first AggNext and AggReset */
-};
-struct AggElem {
- char *zKey; /* The key to this AggElem */
- int nKey; /* Number of bytes in the key, including '\0' at end */
- Mem aMem[1]; /* The values for this AggElem */
-};
-
-/*
-** A Set structure is used for quick testing to see if a value
-** is part of a small set. Sets are used to implement code like
-** this:
-** x.y IN ('hi','hoo','hum')
-*/
-typedef struct Set Set;
-struct Set {
- Hash hash; /* A set is just a hash table */
- HashElem *prev; /* Previously accessed hash elemen */
-};
-
-/*
-** A Keylist is a bunch of keys into a table. The keylist can
-** grow without bound. The keylist stores the ROWIDs of database
-** records that need to be deleted or updated.
-*/
-typedef struct Keylist Keylist;
-struct Keylist {
- int nKey; /* Number of slots in aKey[] */
- int nUsed; /* Next unwritten slot in aKey[] */
- int nRead; /* Next unread slot in aKey[] */
- Keylist *pNext; /* Next block of keys */
- i64 aKey[1]; /* One or more keys. Extra space allocated as needed */
-};
-
-/*
-** A Context stores the last insert rowid, the last statement change count,
-** and the current statement change count (i.e. changes since last statement).
-** The current keylist is also stored in the context.
-** Elements of Context structure type make up the ContextStack, which is
-** updated by the ContextPush and ContextPop opcodes (used by triggers).
-** The context is pushed before executing a trigger a popped when the
-** trigger finishes.
-*/
-typedef struct Context Context;
-struct Context {
- int lastRowid; /* Last insert rowid (sqlite3.lastRowid) */
- int nChange; /* Statement changes (Vdbe.nChanges) */
- Keylist *pList; /* Records that will participate in a DELETE or UPDATE */
-};
-
-/*
-** An instance of the virtual machine. This structure contains the complete
-** state of the virtual machine.
-**
-** The "sqlite3_stmt" structure pointer that is returned by sqlite3_compile()
-** is really a pointer to an instance of this structure.
-*/
-struct Vdbe {
- sqlite3 *db; /* The whole database */
- Vdbe *pPrev,*pNext; /* Linked list of VDBEs with the same Vdbe.db */
- FILE *trace; /* Write an execution trace here, if not NULL */
- int nOp; /* Number of instructions in the program */
- int nOpAlloc; /* Number of slots allocated for aOp[] */
- Op *aOp; /* Space to hold the virtual machine's program */
- int nLabel; /* Number of labels used */
- int nLabelAlloc; /* Number of slots allocated in aLabel[] */
- int *aLabel; /* Space to hold the labels */
- Mem *aStack; /* The operand stack, except string values */
- Mem *pTos; /* Top entry in the operand stack */
- Mem **apArg; /* Arguments to currently executing user function */
- Mem *aColName; /* Column names to return */
- int nCursor; /* Number of slots in apCsr[] */
- Cursor **apCsr; /* One element of this array for each open cursor */
- Sorter *pSort; /* A linked list of objects to be sorted */
- int nVar; /* Number of entries in aVar[] */
- Mem *aVar; /* Values for the OP_Variable opcode. */
- char **azVar; /* Name of variables */
- int okVar; /* True if azVar[] has been initialized */
- int magic; /* Magic number for sanity checking */
- int nMem; /* Number of memory locations currently allocated */
- Mem *aMem; /* The memory locations */
- Agg agg; /* Aggregate information */
- int nCallback; /* Number of callbacks invoked so far */
- Keylist *pList; /* A list of ROWIDs */
- 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 returnStack[100]; /* Return address stack for OP_Gosub & OP_Return */
- int returnDepth; /* Next unused element in returnStack[] */
- int nResColumn; /* Number of columns in one row of the result set */
- char **azResColumn; /* Values for one row of result */
- int popStack; /* Pop the stack this much on entry to VdbeExec() */
- char *zErrMsg; /* Error message written here */
- u8 resOnStack; /* True if there are result values on the stack */
- u8 explain; /* True if EXPLAIN present on SQL command */
- u8 changeCntOn; /* True to update the change-counter */
- u8 aborted; /* True if ROLLBACK in another VM causes an abort */
- int nChange; /* Number of db changes made since last reset */
-};
-
-/*
-** The following are allowed values for Vdbe.magic
-*/
-#define VDBE_MAGIC_INIT 0x26bceaa5 /* Building a VDBE program */
-#define VDBE_MAGIC_RUN 0xbdf20da3 /* VDBE is ready to execute */
-#define VDBE_MAGIC_HALT 0x519c2973 /* VDBE has completed execution */
-#define VDBE_MAGIC_DEAD 0xb606c3c8 /* The VDBE has been deallocated */
-
-/*
-** Function prototypes
-*/
-void sqlite3VdbeFreeCursor(Cursor*);
-void sqlite3VdbeSorterReset(Vdbe*);
-int sqlite3VdbeAggReset(sqlite3*, Agg *, KeyInfo *);
-void sqlite3VdbeKeylistFree(Keylist*);
-void sqliteVdbePopStack(Vdbe*,int);
-int sqlite3VdbeCursorMoveto(Cursor*);
-#if !defined(NDEBUG) || defined(VDBE_PROFILE)
-void sqlite3VdbePrintOp(FILE*, int, Op*);
-#endif
-void sqlite3VdbePrintSql(Vdbe*);
-int sqlite3VdbeSerialTypeLen(u32);
-u32 sqlite3VdbeSerialType(Mem*);
-int sqlite3VdbeSerialPut(unsigned char*, Mem*);
-int sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
-void sqlite3VdbeDeleteAuxData(VdbeFunc*, int);
-
-int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *);
-int sqlite3VdbeIdxKeyCompare(Cursor*, int , const unsigned char*, int*);
-int sqlite3VdbeIdxRowid(BtCursor *, i64 *);
-int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*);
-int sqlite3VdbeRecordCompare(void*,int,const void*,int, const void*);
-int sqlite3VdbeIdxRowidLen(int,const u8*);
-int sqlite3VdbeExec(Vdbe*);
-int sqlite3VdbeList(Vdbe*);
-int sqlite3VdbeHalt(Vdbe*);
-int sqlite3VdbeChangeEncoding(Mem *, int);
-int sqlite3VdbeMemCopy(Mem*, const Mem*);
-void sqlite3VdbeMemShallowCopy(Mem*, const Mem*, int);
-int sqlite3VdbeMemMove(Mem*, Mem*);
-int sqlite3VdbeMemNulTerminate(Mem*);
-int sqlite3VdbeMemSetStr(Mem*, const char*, int, u8, void(*)(void*));
-void sqlite3VdbeMemSetInt64(Mem*, i64);
-void sqlite3VdbeMemSetDouble(Mem*, double);
-void sqlite3VdbeMemSetNull(Mem*);
-int sqlite3VdbeMemMakeWriteable(Mem*);
-int sqlite3VdbeMemDynamicify(Mem*);
-int sqlite3VdbeMemStringify(Mem*, int);
-i64 sqlite3VdbeIntValue(Mem*);
-int sqlite3VdbeMemIntegerify(Mem*);
-double sqlite3VdbeRealValue(Mem*);
-int sqlite3VdbeMemRealify(Mem*);
-int sqlite3VdbeMemFromBtree(BtCursor*,int,int,int,Mem*);
-void sqlite3VdbeMemRelease(Mem *p);
-#ifndef NDEBUG
-void sqlite3VdbeMemSanity(Mem*, u8);
-#endif
-int sqlite3VdbeMemTranslate(Mem*, u8);
-void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf, int nBuf);
-int sqlite3VdbeMemHandleBom(Mem *pMem);