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Add some requirements marks to the record formatting logic. Comment changes

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only - the code is unaltered.

FossilOrigin-Name: 9a9627e178a67bbfc85366aaea900e674d22fb53
This commit is contained in:
drh
2014-11-20 02:18:14 +00:00
parent 113762a284
commit 654858d7f4
4 changed files with 39 additions and 11 deletions
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9
src/vdbe.c
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@@ -2636,7 +2636,10 @@ case OP_MakeRecord: {
nHdr += serial_type<=127 ? 1 : sqlite3VarintLen(serial_type);
}while( (--pRec)>=pData0 );
/* Add the initial header varint and total the size */
/* EVIDENCE-OF: R-22564-11647 The header begins with a single varint
** which determines the total number of bytes in the header. The varint
** value is the size of the header in bytes including the size varint
** itself. */
testcase( nHdr==126 );
testcase( nHdr==127 );
if( nHdr<=126 ){
@@ -2670,7 +2673,11 @@ case OP_MakeRecord: {
pRec = pData0;
do{
serial_type = pRec->uTemp;
/* EVIDENCE-OF: R-06529-47362 Following the size varint are one or more
** additional varints, one per column. */
i += putVarint32(&zNewRecord[i], serial_type); /* serial type */
/* EVIDENCE-OF: R-64536-51728 The values for each column in the record
** immediately follow the header. */
j += sqlite3VdbeSerialPut(&zNewRecord[j], pRec, serial_type); /* content */
}while( (++pRec)<=pLast );
assert( i==nHdr );