37   assert( (p->flags & MEM_Dyn)==0 || p->xDel!=0 );  in sqlite3VdbeCheckMemInvariants()
43   assert( (p->flags & MEM_Dyn)==0 || p->szMalloc==0 );  in sqlite3VdbeCheckMemInvariants()
46   assert( ISPOWEROF2(p->flags & (MEM_Int|MEM_Real|MEM_IntReal)) );  in sqlite3VdbeCheckMemInvariants()
48   if( p->flags & MEM_Null ){  in sqlite3VdbeCheckMemInvariants()
50     assert( (p->flags & (MEM_Int|MEM_Real|MEM_Str|MEM_Blob|MEM_Agg))==0 );  in sqlite3VdbeCheckMemInvariants()
57     if( (p->flags & (MEM_Term|MEM_Subtype))==(MEM_Term|MEM_Subtype) ){  in sqlite3VdbeCheckMemInvariants()
60       assert( ((p->flags&MEM_Dyn)!=0 ? 1 : 0) +  in sqlite3VdbeCheckMemInvariants()
61               ((p->flags&MEM_Ephem)!=0 ? 1 : 0) +  in sqlite3VdbeCheckMemInvariants()
62               ((p->flags&MEM_Static)!=0 ? 1 : 0) <= 1 );  in sqlite3VdbeCheckMemInvariants()
65       assert( (p->flags & ~(MEM_Null|MEM_Term|MEM_Subtype|MEM_FromBind  in sqlite3VdbeCheckMemInvariants()
73     assert( (p->flags & MEM_Cleared)==0 );  in sqlite3VdbeCheckMemInvariants()
78        || (p->flags==MEM_Undefined   in sqlite3VdbeCheckMemInvariants()
90   if( (p->flags & (MEM_Str|MEM_Blob)) && p->n>0 ){  in sqlite3VdbeCheckMemInvariants()
93       ((p->flags&MEM_Dyn)!=0 ? 1 : 0) +  in sqlite3VdbeCheckMemInvariants()
94       ((p->flags&MEM_Ephem)!=0 ? 1 : 0) +  in sqlite3VdbeCheckMemInvariants()
95       ((p->flags&MEM_Static)!=0 ? 1 : 0) == 1  in sqlite3VdbeCheckMemInvariants()
108   assert( p->flags & (MEM_Int|MEM_Real|MEM_IntReal) );  in vdbeMemRenderNum()
110   if( p->flags & MEM_Int ){  in vdbeMemRenderNum()
115     assert( (p->flags&MEM_Int)*2==sizeof(x) );  in vdbeMemRenderNum()
116     memcpy(&x, (char*)&p->u, (p->flags&MEM_Int)*2);  in vdbeMemRenderNum()
124          (p->flags & MEM_IntReal)!=0 ? (double)p->u.i : p->u.r);  in vdbeMemRenderNum()
157   if( (p->flags & MEM_Str)==0 ) return 1;  in sqlite3VdbeMemValidStrRep()
158   if( p->flags & MEM_Term ){  in sqlite3VdbeMemValidStrRep()
169   if( (p->flags & (MEM_Int|MEM_Real|MEM_IntReal))==0 ) return 1;  in sqlite3VdbeMemValidStrRep()
207   if( !(pMem->flags&MEM_Str) ){  in sqlite3VdbeChangeEncoding()
245   assert( bPreserve==0 || pMem->flags&(MEM_Blob|MEM_Str) );  in sqlite3VdbeMemGrow()
249        || (pMem->flags==MEM_Undefined   in sqlite3VdbeMemGrow()
278   if( (pMem->flags&MEM_Dyn)!=0 ){  in sqlite3VdbeMemGrow()
284   pMem->flags &= ~(MEM_Dyn|MEM_Ephem|MEM_Static);  in sqlite3VdbeMemGrow()
303   assert( (pMem->flags & MEM_Dyn)==0 || pMem->szMalloc==0 );  in sqlite3VdbeMemClearAndResize()
307   assert( (pMem->flags & MEM_Dyn)==0 );  in sqlite3VdbeMemClearAndResize()
309   pMem->flags &= (MEM_Null|MEM_Int|MEM_Real|MEM_IntReal);  in sqlite3VdbeMemClearAndResize()
329   pMem->flags |= MEM_Term;  in vdbeMemAddTerminator()
343   if( (pMem->flags & (MEM_Str|MEM_Blob))!=0 ){  in sqlite3VdbeMemMakeWriteable()
350   pMem->flags &= ~MEM_Ephem;  in sqlite3VdbeMemMakeWriteable()
366   assert( pMem->flags & MEM_Zero );  in sqlite3VdbeMemExpandBlob()
367   assert( (pMem->flags&MEM_Blob)!=0 || MemNullNochng(pMem) );  in sqlite3VdbeMemExpandBlob()
375     if( (pMem->flags & MEM_Blob)==0 ) return SQLITE_OK;  in sqlite3VdbeMemExpandBlob()
386   pMem->flags &= ~(MEM_Zero|MEM_Term);  in sqlite3VdbeMemExpandBlob()
397   testcase( (pMem->flags & (MEM_Term|MEM_Str))==(MEM_Term|MEM_Str) );  in sqlite3VdbeMemNulTerminate()
398   testcase( (pMem->flags & (MEM_Term|MEM_Str))==0 );  in sqlite3VdbeMemNulTerminate()
399   if( (pMem->flags & (MEM_Term|MEM_Str))!=MEM_Str ){  in sqlite3VdbeMemNulTerminate()
425   assert( !(pMem->flags&MEM_Zero) );  in sqlite3VdbeMemStringify()
426   assert( !(pMem->flags&(MEM_Str|MEM_Blob)) );  in sqlite3VdbeMemStringify()
427   assert( pMem->flags&(MEM_Int|MEM_Real|MEM_IntReal) );  in sqlite3VdbeMemStringify()
441   pMem->flags |= MEM_Str|MEM_Term;  in sqlite3VdbeMemStringify()
442   if( bForce ) pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal);  in sqlite3VdbeMemStringify()
462   assert( (pMem->flags & MEM_Null)!=0 || pFunc==pMem->u.pDef );  in sqlite3VdbeMemFinalize()
466   t.flags = MEM_Null;  in sqlite3VdbeMemFinalize()
473   assert( (pMem->flags & MEM_Dyn)==0 );  in sqlite3VdbeMemFinalize()
492   assert( (pAccum->flags & MEM_Null)!=0 || pFunc==pAccum->u.pDef );  in sqlite3VdbeMemAggValue()
518   if( p->flags&MEM_Agg ){  in vdbeMemClearExternAndSetNull()
520     assert( (p->flags & MEM_Agg)==0 );  in vdbeMemClearExternAndSetNull()
521     testcase( p->flags & MEM_Dyn );  in vdbeMemClearExternAndSetNull()
523   if( p->flags&MEM_Dyn ){  in vdbeMemClearExternAndSetNull()
527   p->flags = MEM_Null;  in vdbeMemClearExternAndSetNull()
621   int flags;  in sqlite3VdbeIntValue()  local
625   flags = pMem->flags;  in sqlite3VdbeIntValue()
626   if( flags & (MEM_Int|MEM_IntReal) ){  in sqlite3VdbeIntValue()
627     testcase( flags & MEM_IntReal );  in sqlite3VdbeIntValue()
629   }else if( flags & MEM_Real ){  in sqlite3VdbeIntValue()
631   }else if( (flags & (MEM_Str|MEM_Blob))!=0 && pMem->z!=0 ){  in sqlite3VdbeIntValue()
654   if( pMem->flags & MEM_Real ){  in sqlite3VdbeRealValue()
656   }else if( pMem->flags & (MEM_Int|MEM_IntReal) ){  in sqlite3VdbeRealValue()
657     testcase( pMem->flags & MEM_IntReal );  in sqlite3VdbeRealValue()
659   }else if( pMem->flags & (MEM_Str|MEM_Blob) ){  in sqlite3VdbeRealValue()
672   testcase( pMem->flags & MEM_IntReal );  in sqlite3VdbeBooleanValue()
673   if( pMem->flags & (MEM_Int|MEM_IntReal) ) return pMem->u.i!=0;  in sqlite3VdbeBooleanValue()
674   if( pMem->flags & MEM_Null ) return ifNull;  in sqlite3VdbeBooleanValue()
685   assert( pMem->flags & MEM_Real );  in sqlite3VdbeIntegerAffinity()
772   testcase( pMem->flags & MEM_Int );  in sqlite3VdbeMemNumerify()
773   testcase( pMem->flags & MEM_Real );  in sqlite3VdbeMemNumerify()
774   testcase( pMem->flags & MEM_IntReal );  in sqlite3VdbeMemNumerify()
775   testcase( pMem->flags & MEM_Null );  in sqlite3VdbeMemNumerify()
776   if( (pMem->flags & (MEM_Int|MEM_Real|MEM_IntReal|MEM_Null))==0 ){  in sqlite3VdbeMemNumerify()
779     assert( (pMem->flags & (MEM_Blob|MEM_Str))!=0 );  in sqlite3VdbeMemNumerify()
791   assert( (pMem->flags & (MEM_Int|MEM_Real|MEM_IntReal|MEM_Null))!=0 );  in sqlite3VdbeMemNumerify()
792   pMem->flags &= ~(MEM_Str|MEM_Blob|MEM_Zero);  in sqlite3VdbeMemNumerify()
804   if( pMem->flags & MEM_Null ) return SQLITE_OK;  in sqlite3VdbeMemCast()
807       if( (pMem->flags & MEM_Blob)==0 ){  in sqlite3VdbeMemCast()
809         assert( pMem->flags & MEM_Str || pMem->db->mallocFailed );  in sqlite3VdbeMemCast()
810         if( pMem->flags & MEM_Str ) MemSetTypeFlag(pMem, MEM_Blob);  in sqlite3VdbeMemCast()
812         pMem->flags &= ~(MEM_TypeMask&~MEM_Blob);  in sqlite3VdbeMemCast()
831       pMem->flags |= (pMem->flags&MEM_Blob)>>3;  in sqlite3VdbeMemCast()
833       assert( pMem->flags & MEM_Str || pMem->db->mallocFailed );  in sqlite3VdbeMemCast()
834       pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal|MEM_Blob|MEM_Zero);  in sqlite3VdbeMemCast()
847 void sqlite3VdbeMemInit(Mem *pMem, sqlite3 *db, u16 flags){  in sqlite3VdbeMemInit()  argument
848   assert( (flags & ~MEM_TypeMask)==0 );  in sqlite3VdbeMemInit()
849   pMem->flags = flags;  in sqlite3VdbeMemInit()
871     pMem->flags = MEM_Null;  in sqlite3VdbeMemSetNull()
885   pMem->flags = MEM_Blob|MEM_Zero;  in sqlite3VdbeMemSetZeroBlob()
902   pMem->flags = MEM_Blob;  in sqlite3VdbeMemSetZeroBlob()
916   pMem->flags = MEM_Int;  in vdbeReleaseAndSetInt64()
928     pMem->flags = MEM_Int;  in sqlite3VdbeMemSetInt64()
945   assert( pMem->flags==MEM_Null );  in sqlite3VdbeMemSetPointer()
949   pMem->flags = MEM_Null|MEM_Dyn|MEM_Subtype|MEM_Term;  in sqlite3VdbeMemSetPointer()
963     pMem->flags = MEM_Real;  in sqlite3VdbeMemSetDouble()
974   return (pMem->flags&(MEM_Blob|MEM_Dyn))==(MEM_Blob|MEM_Dyn)  in sqlite3VdbeMemIsRowSet()
995   pMem->flags = MEM_Blob|MEM_Dyn;  in sqlite3VdbeMemSetRowSet()
1006   if( p->flags & (MEM_Str|MEM_Blob) ){  in sqlite3VdbeMemTooBig()
1008     if( p->flags & MEM_Zero ){  in sqlite3VdbeMemTooBig()
1031       if( pVdbe->db->flags & SQLITE_VdbeTrace ){  in sqlite3VdbeMemAboutToChange()
1041       mFlags = pMem->flags & pX->flags & pX->mScopyFlags;  in sqlite3VdbeMemAboutToChange()
1046       pX->flags = MEM_Undefined;  in sqlite3VdbeMemAboutToChange()
1070   if( (pFrom->flags&MEM_Static)==0 ){  in sqlite3VdbeMemShallowCopy()
1071     pTo->flags &= ~(MEM_Dyn|MEM_Static|MEM_Ephem);  in sqlite3VdbeMemShallowCopy()
1073     pTo->flags |= srcType;  in sqlite3VdbeMemShallowCopy()
1087   pTo->flags &= ~MEM_Dyn;  in sqlite3VdbeMemCopy()
1088   if( pTo->flags&(MEM_Str|MEM_Blob) ){  in sqlite3VdbeMemCopy()
1089     if( 0==(pFrom->flags&MEM_Static) ){  in sqlite3VdbeMemCopy()
1090       pTo->flags |= MEM_Ephem;  in sqlite3VdbeMemCopy()
1111   pFrom->flags = MEM_Null;  in sqlite3VdbeMemMove()
1146   u16 flags;          /* New value for pMem->flags */  in sqlite3VdbeMemSetStr()  local
1171     flags= MEM_Str|MEM_Term;  in sqlite3VdbeMemSetStr()
1173     flags = MEM_Blob;  in sqlite3VdbeMemSetStr()
1176     flags = MEM_Str;  in sqlite3VdbeMemSetStr()
1196     if( flags&MEM_Term ){  in sqlite3VdbeMemSetStr()
1214       flags |= ((xDel==SQLITE_STATIC)?MEM_Static:MEM_Dyn);  in sqlite3VdbeMemSetStr()
1219   pMem->flags = flags;  in sqlite3VdbeMemSetStr()
1254   pMem->flags = MEM_Null;  in sqlite3VdbeMemFromBtree()
1262       pMem->flags = MEM_Blob;  in sqlite3VdbeMemFromBtree()
1288     pMem->flags = MEM_Blob|MEM_Ephem;  in sqlite3VdbeMemFromBtreeZeroOffset()
1307   assert( (pVal->flags & (MEM_Null))==0 );  in valueToText()
1308   if( pVal->flags & (MEM_Blob|MEM_Str) ){  in valueToText()
1310     pVal->flags |= MEM_Str;  in valueToText()
1315       assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 );  in valueToText()
1350   if( (pVal->flags&(MEM_Str|MEM_Term))==(MEM_Str|MEM_Term) && pVal->enc==enc ){  in sqlite3ValueText()
1354   if( pVal->flags&MEM_Null ){  in sqlite3ValueText()
1366     p->flags = MEM_Null;  in sqlite3ValueNew()
1414             pRec->aMem[i].flags = MEM_Null;  in valueNew()
1474   assert( (p->flags & EP_TokenOnly)==0 );  in valueFromFunction()
1577   assert( (pExpr->flags & EP_TokenOnly)==0 || pCtx==0 );  in valueFromExpr()
1618     assert( (pVal->flags & MEM_IntReal)==0 );  in valueFromExpr()
1619     if( pVal->flags & (MEM_Int|MEM_IntReal|MEM_Real) ){  in valueFromExpr()
1620       testcase( pVal->flags & MEM_Int );  in valueFromExpr()
1621       testcase( pVal->flags & MEM_Real );  in valueFromExpr()
1622       pVal->flags &= ~MEM_Str;  in valueFromExpr()
1633       if( pVal->flags & MEM_Real ){  in valueFromExpr()
1676       pVal->flags = MEM_Int;  in valueFromExpr()
1758   }else if( pExpr->op==TK_VARIABLE && (db->flags & SQLITE_EnableQPSG)==0 ){  in stat4ValueFromExpr()
1967   assert( (p->flags & MEM_Null)==0 || (p->flags & (MEM_Str|MEM_Blob))==0 );  in sqlite3ValueBytes()
1968   if( (p->flags & MEM_Str)!=0 && pVal->enc==enc ){  in sqlite3ValueBytes()
1971   if( (p->flags & MEM_Str)!=0 && enc!=SQLITE_UTF8 && pVal->enc!=SQLITE_UTF8 ){  in sqlite3ValueBytes()
1974   if( (p->flags & MEM_Blob)!=0 ){  in sqlite3ValueBytes()
1975     if( p->flags & MEM_Zero ){  in sqlite3ValueBytes()
1981   if( p->flags & MEM_Null ) return 0;  in sqlite3ValueBytes()