SQLite: Check-in [08958f57]

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Overview

Comment:	Improve the text on one of the opcode documentation comments in vdbe.c.
Downloads:	Tarball \| ZIP archive \| SQL archive
Timelines:	family \| ancestors \| descendants \| both \| trunk
Files:	files \| file ages \| folders
SHA1:	08958f57970d2346f3e98e62225e2b5d351d12d8
User & Date:	drh 2015-03-12 05:08:34

Context

2015-03-12
19:12		Disable multiplexing of master-journal files in the test_multiplex.c module. check-in: b8684df3 user: dan tags: trunk
05:08		Improve the text on one of the opcode documentation comments in vdbe.c. check-in: 08958f57 user: drh tags: trunk
2015-03-11
14:34		Expand the multi-process test cases to repeat each case 20 times and to repeat tests using different journal modes. check-in: a2715b04 user: drh tags: trunk

Changes

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Changes to src/vdbe.c.

**
** If P1 is not zero, then it is a register that a subsequent min() or
** max() aggregate will set to 1 if the current row is not the minimum or
** maximum.  The P1 register is initialized to 0 by this instruction.
**
** The interface used by the implementation of the aforementioned functions
** to retrieve the collation sequence set by this opcode is not available
** publicly, only to user functions defined in func.c.
*/
case OP_CollSeq: {
  assert( pOp->p4type==P4_COLLSEQ );
  if( pOp->p1 ){
    sqlite3VdbeMemSetInt64(&aMem[pOp->p1], 0);
  }
  break;

**
** If P1 is not zero, then it is a register that a subsequent min() or
** max() aggregate will set to 1 if the current row is not the minimum or
** maximum.  The P1 register is initialized to 0 by this instruction.
**
** The interface used by the implementation of the aforementioned functions
** to retrieve the collation sequence set by this opcode is not available
** publicly.  Only built-in functions have access to this feature.
*/
case OP_CollSeq: {
  assert( pOp->p4type==P4_COLLSEQ );
  if( pOp->p1 ){
    sqlite3VdbeMemSetInt64(&aMem[pOp->p1], 0);
  }
  break;