diff options
Diffstat (limited to 'storage/connect/valblk.cpp')
| -rw-r--r-- | storage/connect/valblk.cpp | 151 |
1 files changed, 149 insertions, 2 deletions
diff --git a/storage/connect/valblk.cpp b/storage/connect/valblk.cpp index ded7240cb2e..3827deec43d 100644 --- a/storage/connect/valblk.cpp +++ b/storage/connect/valblk.cpp @@ -101,6 +101,9 @@ PVBLK AllocValBlock(PGLOBAL g, void *mp, int type, int nval, int len, blkp = new(g) TYPBLK<char>(mp, nval, type); break; + case TYPE_PCHAR: + blkp = new(g) PTRBLK(g, mp, nval); + break; default: sprintf(g->Message, MSG(BAD_VALBLK_TYPE), type); return NULL; @@ -468,6 +471,36 @@ template <> uchar TYPBLK<uchar>::GetTypedValue(PVBLK blk, int n) {return blk->GetUTinyValue(n);} +/***********************************************************************/ +/* Set one value in a block if val is less than the current value. */ +/***********************************************************************/ +template <class TYPE> +void TYPBLK<TYPE>::SetMin(PVAL valp, int n) + { + CheckParms(valp, n) + TYPE tval = GetTypedValue(valp); + TYPE& tmin = Typp[n]; + + if (tval < tmin) + tmin = tval; + + } // end of SetMin + +/***********************************************************************/ +/* Set one value in a block if val is greater than the current value. */ +/***********************************************************************/ +template <class TYPE> +void TYPBLK<TYPE>::SetMax(PVAL valp, int n) + { + CheckParms(valp, n) + TYPE tval = GetTypedValue(valp); + TYPE& tmin = Typp[n]; + + if (tval > tmin) + tmin = tval; + + } // end of SetMax + #if 0 /***********************************************************************/ /* Set many values in a block from values in another block. */ @@ -794,14 +827,44 @@ void CHRBLK::SetValue(PVBLK pv, int n1, int n2) longjmp(g->jumper[g->jump_level], Type); } // endif Type - if (!(b = pv->IsNull(n2) && Nullable)) + if (!(b = pv->IsNull(n2))) memcpy(Chrp + n1 * Long, ((CHRBLK*)pv)->Chrp + n2 * Long, Long); else Reset(n1); - SetNull(n1, b); + SetNull(n1, b && Nullable); } // end of SetValue +/***********************************************************************/ +/* Set one value in a block if val is less than the current value. */ +/***********************************************************************/ +void CHRBLK::SetMin(PVAL valp, int n) + { + CheckParms(valp, n) + CheckBlanks + char *vp = valp->GetCharValue(); + char *bp = Chrp + n * Long; + + if (((Ci) ? strnicmp(vp, bp, Long) : strncmp(vp, bp, Long)) < 0) + memcpy(bp, vp, Long); + + } // end of SetMin + +/***********************************************************************/ +/* Set one value in a block if val is greater than the current value. */ +/***********************************************************************/ +void CHRBLK::SetMax(PVAL valp, int n) + { + CheckParms(valp, n) + CheckBlanks + char *vp = valp->GetCharValue(); + char *bp = Chrp + n * Long; + + if (((Ci) ? strnicmp(vp, bp, Long) : strncmp(vp, bp, Long)) > 0) + memcpy(bp, vp, Long); + + } // end of SetMax + #if 0 /***********************************************************************/ /* Set many values in a block from values in another block. */ @@ -1127,6 +1190,34 @@ void STRBLK::SetValue(char *sp, uint len, int n) } // end of SetValue /***********************************************************************/ +/* Set one value in a block if val is less than the current value. */ +/***********************************************************************/ +void STRBLK::SetMin(PVAL valp, int n) + { + CheckParms(valp, n) + char *vp = valp->GetCharValue(); + char *bp = Strp[n]; + + if (strcmp(vp, bp) < 0) + SetValue(valp, n); + + } // end of SetMin + +/***********************************************************************/ +/* Set one value in a block if val is greater than the current value. */ +/***********************************************************************/ +void STRBLK::SetMax(PVAL valp, int n) + { + CheckParms(valp, n) + char *vp = valp->GetCharValue(); + char *bp = Strp[n]; + + if (strcmp(vp, bp) > 0) + SetValue(valp, n); + + } // end of SetMax + +/***********************************************************************/ /* Move one value from i to j. */ /***********************************************************************/ void STRBLK::Move(int i, int j) @@ -1265,5 +1356,61 @@ void DATBLK::SetValue(PSZ p, int n) } // end of SetValue + +/* -------------------------- Class PTRBLK --------------------------- */ + +/***********************************************************************/ +/* Compare two values of the block. */ +/***********************************************************************/ +int PTRBLK::CompVal(int i1, int i2) + { + return (Strp[i1] > Strp[i2]) ? 1 : (Strp[i1] < Strp[i2]) ? (-1) : 0; + } // end of CompVal + + +/* -------------------------- Class MBVALS --------------------------- */ + +/***********************************************************************/ +/* Allocate a value block according to type,len, and nb of values. */ +/***********************************************************************/ +PVBLK MBVALS::Allocate(PGLOBAL g, int type, int len, int prec, + int n, bool sub) + { + Mblk.Sub = sub; + Mblk.Size = n * GetTypeSize(type, len); + + if (!PlgDBalloc(g, NULL, Mblk)) { + sprintf(g->Message, MSG(ALLOC_ERROR), "MBVALS::Allocate"); + return NULL; + } else + Vblk = AllocValBlock(g, Mblk.Memp, type, n, len, prec, + TRUE, TRUE, FALSE); + + return Vblk; + } // end of Allocate + +/***********************************************************************/ +/* Reallocate the value block according to the new size. */ +/***********************************************************************/ +bool MBVALS::ReAllocate(PGLOBAL g, int n) + { + if (!PlgDBrealloc(g, NULL, Mblk, n * Vblk->GetVlen())) { + sprintf(g->Message, MSG(ALLOC_ERROR), "MBVALS::ReAllocate"); + return TRUE; + } else + Vblk->ReAlloc(Mblk.Memp, n); + + return FALSE; + } // end of ReAllocate + +/***********************************************************************/ +/* Free the value block. */ +/***********************************************************************/ +void MBVALS::Free(void) + { + PlgDBfree(Mblk); + Vblk = NULL; + } // end of Free + /* ------------------------- End of Valblk --------------------------- */ |