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Begin a branch that experimentally replaces sqlite_stat2 with a new table

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called sqlite_stat3 that will hopefully facilitate better query
planning decisions.

FossilOrigin-Name: 52e1d7e8ddd4bb5ef3a9d00fd2d719a8a784f807
This commit is contained in:
drh
2011-08-12 01:51:45 +00:00
parent 90315a2417
commit faacf17cc1
13 changed files with 714 additions and 455 deletions
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6
src/test_config.c
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@@ -418,6 +418,12 @@ Tcl_SetVar2(interp, "sqlite_options", "long_double",
Tcl_SetVar2(interp, "sqlite_options", "stat2", "0", TCL_GLOBAL_ONLY);
#endif
#ifdef SQLITE_ENABLE_STAT3
Tcl_SetVar2(interp, "sqlite_options", "stat3", "1", TCL_GLOBAL_ONLY);
#else
Tcl_SetVar2(interp, "sqlite_options", "stat3", "0", TCL_GLOBAL_ONLY);
#endif
#if !defined(SQLITE_ENABLE_LOCKING_STYLE)
# if defined(__APPLE__)
# define SQLITE_ENABLE_LOCKING_STYLE 1