msi: Optimise WHERE operations

[Robert Shearman]

ChangeLog:
Optimise WHERE operations on matching against strings by adding a new
function find_matching_rows to the views, which eliminates the need to
examine
every record when executing a query. Implement this function in the
table using a hash table on the ID stored in the data.

 dlls/msi/delete.c   |   11 +++++
 dlls/msi/distinct.c |   24 +++++++++++
 dlls/msi/insert.c   |   11 +++++
 dlls/msi/msipriv.h  |   16 +++++++
 dlls/msi/order.c    |   21 +++++++++-
 dlls/msi/select.c   |   21 +++++++++-
 dlls/msi/table.c    |  109
++++++++++++++++++++++++++++++++++++++++++++++++++-
 dlls/msi/update.c   |   10 ++++-
 dlls/msi/where.c    |   63 +++++++++++++++++++++++++++++
 9 files changed, 276 insertions(+), 10 deletions(-)

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