diff options
Diffstat (limited to 'src/vdbeInt.h')
| -rw-r--r-- | src/vdbeInt.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/vdbeInt.h b/src/vdbeInt.h index 12af82726..13262cd4e 100644 --- a/src/vdbeInt.h +++ b/src/vdbeInt.h @@ -133,12 +133,19 @@ struct VdbeCursor { #endif VdbeTxtBlbCache *pCache; /* Cache of large TEXT or BLOB values */ - /* 2*nField extra array elements allocated for aType[], beyond the one - ** static element declared in the structure. nField total array slots for - ** aType[] and nField+1 array slots for aOffset[] */ - u32 aType[1]; /* Type values record decode. MUST BE LAST */ + /* Space is allocated for aType to hold at least 2*nField+1 entries: + ** nField slots for aType[] and nField+1 array slots for aOffset[] */ + u32 aType[FLEXARRAY]; /* Type values record decode. MUST BE LAST */ }; +/* +** The size (in bytes) of a VdbeCursor object that has an nField value of N +** or less. The value of SZ_VDBECURSOR(n) is guaranteed to be a multiple +** of 8. +*/ +#define SZ_VDBECURSOR(N) \ + (ROUND8(offsetof(VdbeCursor,aType)) + ((N)+1)*sizeof(u64)) + /* Return true if P is a null-only cursor */ #define IsNullCursor(P) \ @@ -395,9 +402,16 @@ struct sqlite3_context { u8 enc; /* Encoding to use for results */ u8 skipFlag; /* Skip accumulator loading if true */ u16 argc; /* Number of arguments */ - sqlite3_value *argv[1]; /* Argument set */ + sqlite3_value *argv[FLEXARRAY]; /* Argument set */ }; +/* +** The size (in bytes) of an sqlite3_context object that holds N +** argv[] arguments. +*/ +#define SZ_CONTEXT(N) \ + (offsetof(sqlite3_context,argv)+(N)*sizeof(sqlite3_value*)) + /* The ScanStatus object holds a single value for the ** sqlite3_stmt_scanstatus() interface. @@ -531,7 +545,7 @@ struct PreUpdate { VdbeCursor *pCsr; /* Cursor to read old values from */ int op; /* One of SQLITE_INSERT, UPDATE, DELETE */ u8 *aRecord; /* old.* database record */ - KeyInfo keyinfo; + KeyInfo *pKeyinfo; /* Key information */ UnpackedRecord *pUnpacked; /* Unpacked version of aRecord[] */ UnpackedRecord *pNewUnpacked; /* Unpacked version of new.* record */ int iNewReg; /* Register for new.* values */ @@ -543,6 +557,7 @@ struct PreUpdate { Table *pTab; /* Schema object being updated */ Index *pPk; /* PK index if pTab is WITHOUT ROWID */ sqlite3_value **apDflt; /* Array of default values, if required */ + u8 keyinfoSpace[SZ_KEYINFO(0)]; /* Space to hold pKeyinfo[0] content */ }; /* |