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Overview
Comment:Add the OP_Undef and OP_IsUndef opcodes. With these, use the first register in the result register range as the flag to indicate EOF on an INSERT from a SELECT, rather than allocating a separate boolean register for that task.
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SHA1: 6fb7448550f28a3c93053e125faeaf11de1011d0
User & Date: drh 2014-02-07 13:20:31
Context
2014-02-07
18:27
Get rid of the OP_Undef and OP_IsUndef opcodes in favor of higher-level OP_InitCoroutine and OP_EndCoroutine. check-in: 1ec0e9dd user: drh tags: coroutine-refactor
13:20
Add the OP_Undef and OP_IsUndef opcodes. With these, use the first register in the result register range as the flag to indicate EOF on an INSERT from a SELECT, rather than allocating a separate boolean register for that task. check-in: 6fb74485 user: drh tags: coroutine-refactor
03:28
More comment updates. No changes to code. check-in: be24fbc2 user: mistachkin tags: trunk
Changes
Unified Diffs Side-by-Side Diffs Patch

Changes to src/insert.c.

Changes to src/vdbe.c.

Changes to src/vdbeInt.h.

Changes to src/vdbeaux.c.

Changes to src/vdbemem.c.