mirror of
https://github.com/jart/cosmopolitan.git
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Upgrade SQLite to 3.40 (#699)
This commit is contained in:
Paul Kulchenko
GitHub
parent
bcae817215
commit
0dc0758574
151 changed files with 27917 additions and 22169 deletions
180
third_party/sqlite3/vdbeInt.inc
vendored
180
third_party/sqlite3/vdbeInt.inc
vendored
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@ -17,7 +17,6 @@
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*/
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#ifndef SQLITE_VDBEINT_H
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#define SQLITE_VDBEINT_H
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/* clang-format off */
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/*
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** The maximum number of times that a statement will try to reparse
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@ -76,7 +75,7 @@ typedef struct AuxData AuxData;
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typedef struct VdbeCursor VdbeCursor;
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struct VdbeCursor {
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u8 eCurType; /* One of the CURTYPE_* values above */
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i8 iDb; /* Index of cursor database in db->aDb[] (or -1) */
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i8 iDb; /* Index of cursor database in db->aDb[] */
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u8 nullRow; /* True if pointing to a row with no data */
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u8 deferredMoveto; /* A call to sqlite3BtreeMoveto() is needed */
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u8 isTable; /* True for rowid tables. False for indexes */
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@ -87,11 +86,13 @@ struct VdbeCursor {
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Bool isEphemeral:1; /* True for an ephemeral table */
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Bool useRandomRowid:1; /* Generate new record numbers semi-randomly */
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Bool isOrdered:1; /* True if the table is not BTREE_UNORDERED */
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Bool hasBeenDuped:1; /* This cursor was source or target of OP_OpenDup */
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Bool noReuse:1; /* OpenEphemeral may not reuse this cursor */
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u16 seekHit; /* See the OP_SeekHit and OP_IfNoHope opcodes */
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Btree *pBtx; /* Separate file holding temporary table */
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union { /* pBtx for isEphermeral. pAltMap otherwise */
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Btree *pBtx; /* Separate file holding temporary table */
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u32 *aAltMap; /* Mapping from table to index column numbers */
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} ub;
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i64 seqCount; /* Sequence counter */
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u32 *aAltMap; /* Mapping from table to index column numbers */
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/* Cached OP_Column parse information is only valid if cacheStatus matches
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** Vdbe.cacheCtr. Vdbe.cacheCtr will never take on the value of
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@ -133,6 +134,11 @@ struct VdbeCursor {
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u32 aType[1]; /* Type values record decode. MUST BE LAST */
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};
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/* Return true if P is a null-only cursor
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*/
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#define IsNullCursor(P) \
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((P)->eCurType==CURTYPE_PSEUDO && (P)->nullRow && (P)->seekResult==0)
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/*
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** A value for VdbeCursor.cacheStatus that means the cache is always invalid.
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@ -181,8 +187,8 @@ struct VdbeFrame {
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int nMem; /* Number of entries in aMem */
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int nChildMem; /* Number of memory cells for child frame */
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int nChildCsr; /* Number of cursors for child frame */
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int nChange; /* Statement changes (Vdbe.nChange) */
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int nDbChange; /* Value of db->nChange */
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i64 nChange; /* Statement changes (Vdbe.nChange) */
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i64 nDbChange; /* Value of db->nChange */
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};
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/* Magic number for sanity checking on VdbeFrame objects */
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@ -207,16 +213,16 @@ struct sqlite3_value {
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const char *zPType; /* Pointer type when MEM_Term|MEM_Subtype|MEM_Null */
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FuncDef *pDef; /* Used only when flags==MEM_Agg */
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} u;
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char *z; /* String or BLOB value */
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int n; /* Number of characters in string value, excluding '\0' */
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u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */
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u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */
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u8 eSubtype; /* Subtype for this value */
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int n; /* Number of characters in string value, excluding '\0' */
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char *z; /* String or BLOB value */
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/* ShallowCopy only needs to copy the information above */
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char *zMalloc; /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */
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sqlite3 *db; /* The associated database connection */
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int szMalloc; /* Size of the zMalloc allocation */
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u32 uTemp; /* Transient storage for serial_type in OP_MakeRecord */
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sqlite3 *db; /* The associated database connection */
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char *zMalloc; /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */
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void (*xDel)(void*);/* Destructor for Mem.z - only valid if MEM_Dyn */
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#ifdef SQLITE_DEBUG
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Mem *pScopyFrom; /* This Mem is a shallow copy of pScopyFrom */
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@ -228,11 +234,43 @@ struct sqlite3_value {
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** Size of struct Mem not including the Mem.zMalloc member or anything that
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** follows.
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*/
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#define MEMCELLSIZE offsetof(Mem,zMalloc)
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#define MEMCELLSIZE offsetof(Mem,db)
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/* One or more of the following flags are set to indicate the validOK
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/* One or more of the following flags are set to indicate the
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** representations of the value stored in the Mem struct.
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**
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** * MEM_Null An SQL NULL value
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**
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** * MEM_Null|MEM_Zero An SQL NULL with the virtual table
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** UPDATE no-change flag set
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**
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** * MEM_Null|MEM_Term| An SQL NULL, but also contains a
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** MEM_Subtype pointer accessible using
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** sqlite3_value_pointer().
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**
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** * MEM_Null|MEM_Cleared Special SQL NULL that compares non-equal
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** to other NULLs even using the IS operator.
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**
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** * MEM_Str A string, stored in Mem.z with
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** length Mem.n. Zero-terminated if
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** MEM_Term is set. This flag is
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** incompatible with MEM_Blob and
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** MEM_Null, but can appear with MEM_Int,
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** MEM_Real, and MEM_IntReal.
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**
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** * MEM_Blob A blob, stored in Mem.z length Mem.n.
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** Incompatible with MEM_Str, MEM_Null,
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** MEM_Int, MEM_Real, and MEM_IntReal.
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**
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** * MEM_Blob|MEM_Zero A blob in Mem.z of length Mem.n plus
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** MEM.u.i extra 0x00 bytes at the end.
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**
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** * MEM_Int Integer stored in Mem.u.i.
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**
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** * MEM_Real Real stored in Mem.u.r.
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**
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** * MEM_IntReal Real stored as an integer in Mem.u.i.
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**
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** If the MEM_Null flag is set, then the value is an SQL NULL value.
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** For a pointer type created using sqlite3_bind_pointer() or
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** sqlite3_result_pointer() the MEM_Term and MEM_Subtype flags are also set.
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@ -243,6 +281,7 @@ struct sqlite3_value {
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** set, then the string is nul terminated. The MEM_Int and MEM_Real
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** flags may coexist with the MEM_Str flag.
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*/
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#define MEM_Undefined 0x0000 /* Value is undefined */
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#define MEM_Null 0x0001 /* Value is NULL (or a pointer) */
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#define MEM_Str 0x0002 /* Value is a string */
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#define MEM_Int 0x0004 /* Value is an integer */
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@ -250,28 +289,24 @@ struct sqlite3_value {
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#define MEM_Blob 0x0010 /* Value is a BLOB */
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#define MEM_IntReal 0x0020 /* MEM_Int that stringifies like MEM_Real */
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#define MEM_AffMask 0x003f /* Mask of affinity bits */
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#define MEM_FromBind 0x0040 /* Value originates from sqlite3_bind() */
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#define MEM_Undefined 0x0080 /* Value is undefined */
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#define MEM_Cleared 0x0100 /* NULL set by OP_Null, not from data */
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#define MEM_TypeMask 0xc1bf /* Mask of type bits */
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/* Whenever Mem contains a valid string or blob representation, one of
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** the following flags must be set to determine the memory management
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** policy for Mem.z. The MEM_Term flag tells us whether or not the
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** string is \000 or \u0000 terminated
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/* Extra bits that modify the meanings of the core datatypes above
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*/
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#define MEM_FromBind 0x0040 /* Value originates from sqlite3_bind() */
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/* 0x0080 // Available */
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#define MEM_Cleared 0x0100 /* NULL set by OP_Null, not from data */
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#define MEM_Term 0x0200 /* String in Mem.z is zero terminated */
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#define MEM_Dyn 0x0400 /* Need to call Mem.xDel() on Mem.z */
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#define MEM_Static 0x0800 /* Mem.z points to a static string */
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#define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */
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#define MEM_Agg 0x2000 /* Mem.z points to an agg function context */
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#define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */
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#define MEM_Subtype 0x8000 /* Mem.eSubtype is valid */
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#ifdef SQLITE_OMIT_INCRBLOB
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#undef MEM_Zero
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#define MEM_Zero 0x0000
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#endif
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#define MEM_Zero 0x0400 /* Mem.i contains count of 0s appended to blob */
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#define MEM_Subtype 0x0800 /* Mem.eSubtype is valid */
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#define MEM_TypeMask 0x0dbf /* Mask of type bits */
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/* Bits that determine the storage for Mem.z for a string or blob or
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** aggregate accumulator.
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*/
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#define MEM_Dyn 0x1000 /* Need to call Mem.xDel() on Mem.z */
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#define MEM_Static 0x2000 /* Mem.z points to a static string */
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#define MEM_Ephem 0x4000 /* Mem.z points to an ephemeral string */
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#define MEM_Agg 0x8000 /* Mem.z points to an agg function context */
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/* Return TRUE if Mem X contains dynamically allocated content - anything
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** that needs to be deallocated to avoid a leak.
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@ -293,11 +328,15 @@ struct sqlite3_value {
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&& (X)->n==0 && (X)->u.nZero==0)
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/*
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** Return true if a memory cell is not marked as invalid. This macro
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** Return true if a memory cell has been initialized and is valid.
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** is for use inside assert() statements only.
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**
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** A Memory cell is initialized if at least one of the
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** MEM_Null, MEM_Str, MEM_Int, MEM_Real, MEM_Blob, or MEM_IntReal bits
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** is set. It is "undefined" if all those bits are zero.
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*/
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#ifdef SQLITE_DEBUG
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#define memIsValid(M) ((M)->flags & MEM_Undefined)==0
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#define memIsValid(M) ((M)->flags & MEM_AffMask)!=0
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#endif
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/*
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@ -335,6 +374,7 @@ struct sqlite3_context {
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Vdbe *pVdbe; /* The VM that owns this context */
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int iOp; /* Instruction number of OP_Function */
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int isError; /* Error code returned by the function. */
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u8 enc; /* Encoding to use for results */
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u8 skipFlag; /* Skip accumulator loading if true */
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u8 argc; /* Number of arguments */
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sqlite3_value *argv[1]; /* Argument set */
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@ -380,16 +420,15 @@ struct DblquoteStr {
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*/
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struct Vdbe {
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sqlite3 *db; /* The database connection that owns this statement */
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Vdbe *pPrev,*pNext; /* Linked list of VDBEs with the same Vdbe.db */
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Vdbe **ppVPrev,*pVNext; /* Linked list of VDBEs with the same Vdbe.db */
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Parse *pParse; /* Parsing context used to create this Vdbe */
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ynVar nVar; /* Number of entries in aVar[] */
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u32 iVdbeMagic; /* Magic number defining state of the SQL statement */
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int nMem; /* Number of memory locations currently allocated */
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int nCursor; /* Number of slots in apCsr[] */
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u32 cacheCtr; /* VdbeCursor row cache generation counter */
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int pc; /* The program counter */
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int rc; /* Value to return */
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int nChange; /* Number of db changes made since last reset */
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i64 nChange; /* Number of db changes made since last reset */
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int iStatement; /* Statement number (or 0 if has no opened stmt) */
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i64 iCurrentTime; /* Value of julianday('now') for this statement */
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i64 nFkConstraint; /* Number of imm. FK constraints this VM */
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@ -421,17 +460,16 @@ struct Vdbe {
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u8 errorAction; /* Recovery action to do in case of an error */
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u8 minWriteFileFormat; /* Minimum file format for writable database files */
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u8 prepFlags; /* SQLITE_PREPARE_* flags */
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u8 doingRerun; /* True if rerunning after an auto-reprepare */
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u8 eVdbeState; /* On of the VDBE_*_STATE values */
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bft expired:2; /* 1: recompile VM immediately 2: when convenient */
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bft explain:2; /* True if EXPLAIN present on SQL command */
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bft changeCntOn:1; /* True to update the change-counter */
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bft runOnlyOnce:1; /* Automatically expire on reset */
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bft usesStmtJournal:1; /* True if uses a statement journal */
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bft readOnly:1; /* True for statements that do not write */
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bft bIsReader:1; /* True for statements that read */
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yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */
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yDbMask lockMask; /* Subset of btreeMask that requires a lock */
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u32 aCounter[7]; /* Counters used by sqlite3_stmt_status() */
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u32 aCounter[9]; /* Counters used by sqlite3_stmt_status() */
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char *zSql; /* Text of the SQL statement that generated this */
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#ifdef SQLITE_ENABLE_NORMALIZE
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char *zNormSql; /* Normalization of the associated SQL statement */
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@ -452,13 +490,12 @@ struct Vdbe {
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};
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/*
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** The following are allowed values for Vdbe.magic
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** The following are allowed values for Vdbe.eVdbeState
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*/
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#define VDBE_MAGIC_INIT 0x16bceaa5 /* Building a VDBE program */
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#define VDBE_MAGIC_RUN 0x2df20da3 /* VDBE is ready to execute */
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#define VDBE_MAGIC_HALT 0x319c2973 /* VDBE has completed execution */
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#define VDBE_MAGIC_RESET 0x48fa9f76 /* Reset and ready to run again */
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#define VDBE_MAGIC_DEAD 0x5606c3c8 /* The VDBE has been deallocated */
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#define VDBE_INIT_STATE 0 /* Prepared statement under construction */
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#define VDBE_READY_STATE 1 /* Ready to run but not yet started */
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#define VDBE_RUN_STATE 2 /* Run in progress */
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#define VDBE_HALT_STATE 3 /* Finished. Need reset() or finalize() */
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/*
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** Structure used to store the context required by the
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@ -473,6 +510,7 @@ struct PreUpdate {
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UnpackedRecord *pUnpacked; /* Unpacked version of aRecord[] */
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UnpackedRecord *pNewUnpacked; /* Unpacked version of new.* record */
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int iNewReg; /* Register for new.* values */
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int iBlobWrite; /* Value returned by preupdate_blobwrite() */
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i64 iKey1; /* First key value passed to hook */
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i64 iKey2; /* Second key value passed to hook */
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Mem *aNew; /* Array of new.* values */
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@ -480,19 +518,50 @@ struct PreUpdate {
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Index *pPk; /* PK index if pTab is WITHOUT ROWID */
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};
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/*
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** An instance of this object is used to pass an vector of values into
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** OP_VFilter, the xFilter method of a virtual table. The vector is the
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** set of values on the right-hand side of an IN constraint.
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**
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** The value as passed into xFilter is an sqlite3_value with a "pointer"
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** type, such as is generated by sqlite3_result_pointer() and read by
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** sqlite3_value_pointer. Such values have MEM_Term|MEM_Subtype|MEM_Null
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** and a subtype of 'p'. The sqlite3_vtab_in_first() and _next() interfaces
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** know how to use this object to step through all the values in the
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** right operand of the IN constraint.
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*/
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typedef struct ValueList ValueList;
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struct ValueList {
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BtCursor *pCsr; /* An ephemeral table holding all values */
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sqlite3_value *pOut; /* Register to hold each decoded output value */
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};
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/* Size of content associated with serial types that fit into a
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** single-byte varint.
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*/
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#ifndef SQLITE_AMALGAMATION
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extern const u8 sqlite3SmallTypeSizes[];
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#endif
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/*
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** Function prototypes
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*/
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void sqlite3VdbeError(Vdbe*, const char *, ...);
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void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*);
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void sqlite3VdbeFreeCursorNN(Vdbe*,VdbeCursor*);
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void sqliteVdbePopStack(Vdbe*,int);
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int SQLITE_NOINLINE sqlite3VdbeHandleMovedCursor(VdbeCursor *p);
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int SQLITE_NOINLINE sqlite3VdbeFinishMoveto(VdbeCursor*);
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int sqlite3VdbeCursorMoveto(VdbeCursor**, u32*);
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int sqlite3VdbeCursorRestore(VdbeCursor*);
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u32 sqlite3VdbeSerialTypeLen(u32);
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u8 sqlite3VdbeOneByteSerialTypeLen(u8);
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u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32);
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u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
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#ifdef SQLITE_MIXED_ENDIAN_64BIT_FLOAT
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u64 sqlite3FloatSwap(u64 in);
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# define swapMixedEndianFloat(X) X = sqlite3FloatSwap(X)
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#else
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# define swapMixedEndianFloat(X)
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#endif
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void sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
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void sqlite3VdbeDeleteAuxData(sqlite3*, AuxData**, int, int);
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int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *);
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@ -516,7 +585,7 @@ int sqlite3VdbeMemCopy(Mem*, const Mem*);
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void sqlite3VdbeMemShallowCopy(Mem*, const Mem*, int);
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void sqlite3VdbeMemMove(Mem*, Mem*);
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int sqlite3VdbeMemNulTerminate(Mem*);
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int sqlite3VdbeMemSetStr(Mem*, const char*, int, u8, void(*)(void*));
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int sqlite3VdbeMemSetStr(Mem*, const char*, i64, u8, void(*)(void*));
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void sqlite3VdbeMemSetInt64(Mem*, i64);
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#ifdef SQLITE_OMIT_FLOATING_POINT
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# define sqlite3VdbeMemSetDouble sqlite3VdbeMemSetInt64
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@ -526,14 +595,19 @@ void sqlite3VdbeMemSetInt64(Mem*, i64);
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void sqlite3VdbeMemSetPointer(Mem*, void*, const char*, void(*)(void*));
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void sqlite3VdbeMemInit(Mem*,sqlite3*,u16);
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void sqlite3VdbeMemSetNull(Mem*);
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#ifndef SQLITE_OMIT_INCRBLOB
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void sqlite3VdbeMemSetZeroBlob(Mem*,int);
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#else
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int sqlite3VdbeMemSetZeroBlob(Mem*,int);
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#endif
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#ifdef SQLITE_DEBUG
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int sqlite3VdbeMemIsRowSet(const Mem*);
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#endif
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int sqlite3VdbeMemSetRowSet(Mem*);
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int sqlite3VdbeMemMakeWriteable(Mem*);
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int sqlite3VdbeMemStringify(Mem*, u8, u8);
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i64 sqlite3VdbeIntValue(Mem*);
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int sqlite3IntFloatCompare(i64,double);
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i64 sqlite3VdbeIntValue(const Mem*);
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int sqlite3VdbeMemIntegerify(Mem*);
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double sqlite3VdbeRealValue(Mem*);
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int sqlite3VdbeBooleanValue(Mem*, int ifNull);
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@ -544,6 +618,7 @@ int sqlite3VdbeMemCast(Mem*,u8,u8);
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int sqlite3VdbeMemFromBtree(BtCursor*,u32,u32,Mem*);
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int sqlite3VdbeMemFromBtreeZeroOffset(BtCursor*,u32,Mem*);
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void sqlite3VdbeMemRelease(Mem *p);
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void sqlite3VdbeMemReleaseMalloc(Mem*p);
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int sqlite3VdbeMemFinalize(Mem*, FuncDef*);
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#ifndef SQLITE_OMIT_WINDOWFUNC
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||||
int sqlite3VdbeMemAggValue(Mem*, Mem*, FuncDef*);
|
||||
|
|
@ -561,7 +636,8 @@ void sqlite3VdbeFrameMemDel(void*); /* Destructor on Mem */
|
|||
void sqlite3VdbeFrameDelete(VdbeFrame*); /* Actually deletes the Frame */
|
||||
int sqlite3VdbeFrameRestore(VdbeFrame *);
|
||||
#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
|
||||
void sqlite3VdbePreUpdateHook(Vdbe*,VdbeCursor*,int,const char*,Table*,i64,int);
|
||||
void sqlite3VdbePreUpdateHook(
|
||||
Vdbe*,VdbeCursor*,int,const char*,Table*,i64,int,int);
|
||||
#endif
|
||||
int sqlite3VdbeTransferError(Vdbe *p);
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue