diff options
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 87 |
1 files changed, 58 insertions, 29 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index c668e6bee..82dcc9de2 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -190,10 +190,10 @@ ** WAL mode depends on atomic aligned 32-bit loads and stores in a few ** places. The following macros try to make this explicit. */ -#ifndef __has_feature -# define __has_feature(x) 0 /* compatibility with non-clang compilers */ +#ifndef __has_extension +# define __has_extension(x) 0 /* compatibility with non-clang compilers */ #endif -#if GCC_VERSION>=4007000 || __has_feature(c_atomic) +#if GCC_VERSION>=4007000 || __has_extension(c_atomic) # define AtomicLoad(PTR) __atomic_load_n((PTR),__ATOMIC_RELAXED) # define AtomicStore(PTR,VAL) __atomic_store_n((PTR),(VAL),__ATOMIC_RELAXED) #else @@ -902,6 +902,7 @@ typedef INT16_TYPE LogEst; ** compilers. */ #define LARGEST_INT64 (0xffffffff|(((i64)0x7fffffff)<<32)) +#define LARGEST_UINT64 (0xffffffff|(((u64)0xffffffff)<<32)) #define SMALLEST_INT64 (((i64)-1) - LARGEST_INT64) /* @@ -979,6 +980,16 @@ typedef INT16_TYPE LogEst; #else # define SELECTTRACE_ENABLED 0 #endif +#if defined(SQLITE_ENABLE_SELECTTRACE) +# define SELECTTRACE_ENABLED 1 +# define SELECTTRACE(K,P,S,X) \ + if(sqlite3SelectTrace&(K)) \ + sqlite3DebugPrintf("%u/%d/%p: ",(S)->selId,(P)->addrExplain,(S)),\ + sqlite3DebugPrintf X +#else +# define SELECTTRACE(K,P,S,X) +# define SELECTTRACE_ENABLED 0 +#endif /* ** An instance of the following structure is used to store the busy-handler @@ -994,26 +1005,27 @@ struct BusyHandler { int (*xBusyHandler)(void *,int); /* The busy callback */ void *pBusyArg; /* First arg to busy callback */ int nBusy; /* Incremented with each busy call */ - u8 bExtraFileArg; /* Include sqlite3_file as callback arg */ }; /* -** Name of the master database table. The master database table -** is a special table that holds the names and attributes of all -** user tables and indices. +** Name of table that holds the database schema. */ -#define MASTER_NAME "sqlite_master" -#define TEMP_MASTER_NAME "sqlite_temp_master" +#define DFLT_SCHEMA_TABLE "sqlite_master" +#define DFLT_TEMP_SCHEMA_TABLE "sqlite_temp_master" +#define ALT_SCHEMA_TABLE "sqlite_schema" +#define ALT_TEMP_SCHEMA_TABLE "sqlite_temp_schema" + /* -** The root-page of the master database table. +** The root-page of the schema table. */ -#define MASTER_ROOT 1 +#define SCHEMA_ROOT 1 /* -** The name of the schema table. +** The name of the schema table. The name is different for TEMP. */ -#define SCHEMA_TABLE(x) ((!OMIT_TEMPDB)&&(x==1)?TEMP_MASTER_NAME:MASTER_NAME) +#define SCHEMA_TABLE(x) \ + ((!OMIT_TEMPDB)&&(x==1)?DFLT_TEMP_SCHEMA_TABLE:DFLT_SCHEMA_TABLE) /* ** A convenience macro that returns the number of elements in @@ -1539,6 +1551,7 @@ struct sqlite3 { BusyHandler busyHandler; /* Busy callback */ Db aDbStatic[2]; /* Static space for the 2 default backends */ Savepoint *pSavepoint; /* List of active savepoints */ + int nAnalysisLimit; /* Number of index rows to ANALYZE */ int busyTimeout; /* Busy handler timeout, in msec */ int nSavepoint; /* Number of non-transaction savepoints */ int nStatement; /* Number of nested statement-transactions */ @@ -1546,7 +1559,7 @@ struct sqlite3 { 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 + /* The following variables are all protected by the STATIC_MAIN ** mutex, not by sqlite3.mutex. They are used by code in notify.c. ** ** When X.pUnlockConnection==Y, that means that X is waiting for Y to @@ -1588,7 +1601,7 @@ struct sqlite3 { ** SQLITE_CkptFullFSync == PAGER_CKPT_FULLFSYNC ** SQLITE_CacheSpill == PAGER_CACHE_SPILL */ -#define SQLITE_WriteSchema 0x00000001 /* OK to update SQLITE_MASTER */ +#define SQLITE_WriteSchema 0x00000001 /* OK to update SQLITE_SCHEMA */ #define SQLITE_LegacyFileFmt 0x00000002 /* Create new databases in format 1 */ #define SQLITE_FullColNames 0x00000004 /* Show full column names on SELECT */ #define SQLITE_FullFSync 0x00000008 /* Use full fsync on the backend */ @@ -1764,7 +1777,7 @@ struct FuncDestructor { #define SQLITE_FUNC_LENGTH 0x0040 /* Built-in length() function */ #define SQLITE_FUNC_TYPEOF 0x0080 /* Built-in typeof() function */ #define SQLITE_FUNC_COUNT 0x0100 /* Built-in count(*) aggregate */ -#define SQLITE_FUNC_COALESCE 0x0200 /* Built-in coalesce() or ifnull() */ +/* 0x0200 -- available for reuse */ #define SQLITE_FUNC_UNLIKELY 0x0400 /* Built-in unlikely() function */ #define SQLITE_FUNC_CONSTANT 0x0800 /* Constant inputs give a constant output */ #define SQLITE_FUNC_MINMAX 0x1000 /* True for min() and max() aggregates */ @@ -1785,6 +1798,7 @@ struct FuncDestructor { #define INLINEFUNC_expr_implies_expr 2 #define INLINEFUNC_expr_compare 3 #define INLINEFUNC_affinity 4 +#define INLINEFUNC_iif 5 #define INLINEFUNC_unlikely 99 /* Default case */ /* @@ -2381,7 +2395,7 @@ struct UnpackedRecord { ** element. ** ** While parsing a CREATE TABLE or CREATE INDEX statement in order to -** generate VDBE code (as opposed to parsing one read from an sqlite_master +** generate VDBE code (as opposed to parsing one read from an sqlite_schema ** table as part of parsing an existing database schema), transient instances ** of this structure may be created. In this case the Index.tnum variable is ** used to store the address of a VDBE instruction, not a database page @@ -2485,7 +2499,7 @@ struct Token { ** code for a SELECT that contains aggregate functions. ** ** If Expr.op==TK_AGG_COLUMN or TK_AGG_FUNCTION then Expr.pAggInfo is a -** pointer to this structure. The Expr.iColumn field is the index in +** pointer to this structure. The Expr.iAgg field is the index in ** AggInfo.aCol[] or AggInfo.aFunc[] of information needed to generate ** code for that node. ** @@ -2505,26 +2519,33 @@ struct AggInfo { ExprList *pGroupBy; /* The group by clause */ struct AggInfo_col { /* For each column used in source tables */ Table *pTab; /* Source table */ + Expr *pCExpr; /* The original expression */ int iTable; /* Cursor number of the source table */ - int iColumn; /* Column number within the source table */ - int iSorterColumn; /* Column number in the sorting index */ int iMem; /* Memory location that acts as accumulator */ - Expr *pExpr; /* The original expression */ + i16 iColumn; /* Column number within the source table */ + i16 iSorterColumn; /* Column number in the sorting index */ } *aCol; int nColumn; /* Number of used entries in aCol[] */ int nAccumulator; /* Number of columns that show through to the output. ** Additional columns are used only as parameters to ** aggregate functions */ struct AggInfo_func { /* For each aggregate function */ - Expr *pExpr; /* Expression encoding the function */ + Expr *pFExpr; /* Expression encoding the function */ FuncDef *pFunc; /* The aggregate function implementation */ int iMem; /* Memory location that acts as accumulator */ int iDistinct; /* Ephemeral table used to enforce DISTINCT */ } *aFunc; int nFunc; /* Number of entries in aFunc[] */ + u32 selId; /* Select to which this AggInfo belongs */ + AggInfo *pNext; /* Next in list of them all */ }; /* +** Value for AggInfo.iAggMagic when the structure is valid +*/ +#define AggInfoMagic 0x2059e99e + +/* ** The datatype ynVar is a signed integer, either 16-bit or 32-bit. ** Usually it is 16-bits. But if SQLITE_MAX_VARIABLE_NUMBER is greater ** than 32767 we have to make it 32-bit. 16-bit is preferred because @@ -2700,7 +2721,7 @@ struct Expr { #define EP_Static 0x8000000 /* Held in memory not obtained from malloc() */ #define EP_IsTrue 0x10000000 /* Always has boolean value of TRUE */ #define EP_IsFalse 0x20000000 /* Always has boolean value of FALSE */ -#define EP_FromDDL 0x40000000 /* Originates from sqlite_master */ +#define EP_FromDDL 0x40000000 /* Originates from sqlite_schema */ /* 0x80000000 // Available */ /* @@ -2880,7 +2901,7 @@ struct SrcList { unsigned isCorrelated :1; /* True if sub-query is correlated */ unsigned viaCoroutine :1; /* Implemented as a co-routine */ unsigned isRecursive :1; /* True for recursive reference in WITH */ - unsigned fromDDL :1; /* Comes from sqlite_master */ + unsigned fromDDL :1; /* Comes from sqlite_schema */ } fg; int iCursor; /* The VDBE cursor number used to access this table */ Expr *pOn; /* The ON clause of a join */ @@ -3001,7 +3022,7 @@ struct NameContext { #define NC_HasWin 0x08000 /* One or more window functions seen */ #define NC_IsDDL 0x10000 /* Resolving names in a CREATE statement */ #define NC_InAggFunc 0x20000 /* True if analyzing arguments to an agg func */ -#define NC_FromDDL 0x40000 /* SQL text comes from sqlite_master */ +#define NC_FromDDL 0x40000 /* SQL text comes from sqlite_schema */ /* ** An instance of the following object describes a single ON CONFLICT @@ -3104,6 +3125,7 @@ struct Select { #define SF_WhereBegin 0x0080000 /* Really a WhereBegin() call. Debug Only */ #define SF_WinRewrite 0x0100000 /* Window function rewrite accomplished */ #define SF_View 0x0200000 /* SELECT statement is a view */ +#define SF_NoopOrderBy 0x0400000 /* ORDER BY is ignored for this query */ /* ** The results of a SELECT can be distributed in several ways, as defined @@ -3322,6 +3344,7 @@ struct Parse { Parse *pToplevel; /* Parse structure for main program (or NULL) */ Table *pTriggerTab; /* Table triggers are being coded for */ Parse *pParentParse; /* Parent parser if this parser is nested */ + AggInfo *pAggList; /* List of all AggInfo objects */ int addrCrTab; /* Address of OP_CreateBtree opcode on CREATE TABLE */ u32 nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u32 oldmask; /* Mask of old.* columns referenced */ @@ -3726,6 +3749,9 @@ int sqlite3WalkSelectFrom(Walker*, Select*); int sqlite3ExprWalkNoop(Walker*, Expr*); int sqlite3SelectWalkNoop(Walker*, Select*); int sqlite3SelectWalkFail(Walker*, Select*); +int sqlite3WalkerDepthIncrease(Walker*,Select*); +void sqlite3WalkerDepthDecrease(Walker*,Select*); + #ifdef SQLITE_DEBUG void sqlite3SelectWalkAssert2(Walker*, Select*); #endif @@ -4123,7 +4149,7 @@ void sqlite3DeleteColumnNames(sqlite3*,Table*); int sqlite3ColumnsFromExprList(Parse*,ExprList*,i16*,Column**); void sqlite3SelectAddColumnTypeAndCollation(Parse*,Table*,Select*,char); Table *sqlite3ResultSetOfSelect(Parse*,Select*,char); -void sqlite3OpenMasterTable(Parse *, int); +void sqlite3OpenSchemaTable(Parse *, int); Index *sqlite3PrimaryKeyIndex(Table*); i16 sqlite3TableColumnToIndex(Index*, i16); #ifdef SQLITE_OMIT_GENERATED_COLUMNS @@ -4225,7 +4251,6 @@ int sqlite3Select(Parse*, Select*, SelectDest*); Select *sqlite3SelectNew(Parse*,ExprList*,SrcList*,Expr*,ExprList*, Expr*,ExprList*,u32,Expr*); void sqlite3SelectDelete(sqlite3*, Select*); -void sqlite3SelectReset(Parse*, Select*); Table *sqlite3SrcListLookup(Parse*, SrcList*); int sqlite3IsReadOnly(Parse*, Table*, int); void sqlite3OpenTable(Parse*, int iCur, int iDb, Table*, int); @@ -4286,6 +4311,7 @@ int sqlite3ExprCompareSkip(Expr*, Expr*, int); int sqlite3ExprListCompare(ExprList*, ExprList*, int); int sqlite3ExprImpliesExpr(Parse*,Expr*, Expr*, int); int sqlite3ExprImpliesNonNullRow(Expr*,int); +void sqlite3AggInfoPersistWalkerInit(Walker*,Parse*); void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); int sqlite3ExprCoveredByIndex(Expr*, int iCur, Index *pIdx); @@ -4545,10 +4571,11 @@ extern const unsigned char sqlite3UpperToLower[]; extern const unsigned char sqlite3CtypeMap[]; extern SQLITE_WSD struct Sqlite3Config sqlite3Config; extern FuncDefHash sqlite3BuiltinFunctions; +extern u32 sqlite3SelectTrace; #ifndef SQLITE_OMIT_WSD extern int sqlite3PendingByte; #endif -#endif +#endif /* SQLITE_AMALGAMATION */ #ifdef VDBE_PROFILE extern sqlite3_uint64 sqlite3NProfileCnt; #endif @@ -4587,7 +4614,7 @@ void sqlite3RenameExprlistUnmap(Parse*, ExprList*); CollSeq *sqlite3GetCollSeq(Parse*, u8, CollSeq *, const char*); char sqlite3AffinityType(const char*, Column*); void sqlite3Analyze(Parse*, Token*, Token*); -int sqlite3InvokeBusyHandler(BusyHandler*, sqlite3_file*); +int sqlite3InvokeBusyHandler(BusyHandler*); int sqlite3FindDb(sqlite3*, Token*); int sqlite3FindDbName(sqlite3 *, const char *); int sqlite3AnalysisLoad(sqlite3*,int iDB); @@ -4712,8 +4739,10 @@ void sqlite3AutoLoadExtensions(sqlite3*); int sqlite3ReadOnlyShadowTables(sqlite3 *db); #ifndef SQLITE_OMIT_VIRTUALTABLE int sqlite3ShadowTableName(sqlite3 *db, const char *zName); + int sqlite3IsShadowTableOf(sqlite3*,Table*,const char*); #else # define sqlite3ShadowTableName(A,B) 0 +# define sqlite3IsShadowTableOf(A,B,C) 0 #endif int sqlite3VtabEponymousTableInit(Parse*,Module*); void sqlite3VtabEponymousTableClear(sqlite3*,Module*); |