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Overview
Comment:For the vtshim module, always zero out the xChildDestroy function pointer after calling it.
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SHA1: 240f7252c66ad3ff5ae0ef06455c1ff9bd78bbb4
User & Date: mistachkin 2013-08-05 21:54:17
Context
2013-08-05
22:05
Performance optimization: Avoid calling convertCompoundSelecctToSubquery() on queries that do not use the UNION, EXCEPT, or INTERSECT operators. check-in: c589b2fe user: drh tags: trunk
21:54
For the vtshim module, always zero out the xChildDestroy function pointer after calling it. check-in: 240f7252 user: mistachkin tags: trunk
19:11
Factor all KeyInfo object allocations into a single function: sqlite3KeyInfoAlloc(). Always allocate enough space so that sqlite3VdbeRecordCompare() can avoid checking boundaries and hence run faster. check-in: 7301bedd user: drh tags: trunk
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Changes to ext/misc/vtshim.c.