maria:10.3-mdev15777

Last commit made on 2019-08-30
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Name:
10.3-mdev15777
Repository:
lp:maria

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d1490c1... by Igor Babaev on 2019-08-30

MDEV-15777 Use inferred IS NOT NULL predicates in the range optimizer

This patch introduces the optimization that allows range optimizer to
consider index range scans that are built employing NOT NULL predicates
inferred from WHERE conditions and ON expressions.
The patch adds a new optimizer switch not_null_range_scan.

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