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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 13:20:31.855
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: 1ec0e9dd4b 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: 6fb7448550 user: drh tags: coroutine-refactor)
03:28
More comment updates. No changes to code. (check-in: be24fbc221 user: mistachkin tags: trunk)
Changes
Unified Diff Side-by-Side Diff 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.