MDEV-40168 wip - #5620

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mariadb-YuchenPei wants to merge 41 commits into

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bb-main-mdev-40168

Commits on Sep 4, 2026

Commits on Sep 5, 2026

Make the MVI scan a real access method: QUICK_MVI_SELECT

spetrunia
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claude
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dae9007
Make optimizer trace print "range", not "index_merge" for MVI quick selects.
spetrunia
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39ceedf
Add optimizer trace for the multi-valued index access

spetrunia
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claude
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287527f

Commits on Sep 6, 2026

Make JSON_OVERLAPS sargable for multi-valued indexes

spetrunia
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claude
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1d93190
Move the JSON function MVI code into opt_mvi_jsonfuncs.cc

spetrunia
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claude
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84f2cbf
MDEV-40168: JSON-over-fulltext: add estimates.
spetrunia
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8d84dfd
Estimate the number of records an MVI access will read

spetrunia
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claude
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b41e910
MDEV-40168: JSON-over-fulltext: let the estimate consult the FTS cache.

spetrunia
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claude
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d6fbb2c
MDEV-40168: JSON-over-fulltext: move the estimator into fts0est.cc.

spetrunia
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claude
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6351aaf
Adjust the MVI tests to the estimate that reads the FTS cache

spetrunia
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claude
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4308bb6
Trivial cleanups and comments
spetrunia
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8f16f79
Move QUICK_MVI_SELECT into opt_multi_valued_index.cc
spetrunia
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409a649
Keep the MVI access of a table in its JOIN_TAB

spetrunia
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claude
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d059022

Commits on Sep 7, 2026

Do the MVI analysis one table at a time

spetrunia
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cc80405
Make innodb_fts.estimate's clamped count deterministic

spetrunia
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d4c8ff4
Rename collect_mvi_vcols_for_table to collect_mvi_indexes_for_table

spetrunia
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aef91d6
Keep only the chosen Mvi_access in JOIN_TAB

spetrunia
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claude
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aab99cd
Show multi-valued indexes in SHOW CREATE TABLE

spetrunia
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2496f06
Only allow one key part in an index over an ARRAY

spetrunia
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32833cd
A plain KEY is the only index type allowed over an ARRAY

spetrunia
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3ff5272

Commits on Sep 10, 2026

MDEV-40168 Fix cast to int arrays
mariadb-YuchenPei
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bdf696e
MDEV-40168 nested array handling and json validation
mariadb-YuchenPei
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5bf3ce5
Undo whitespace changes to reduce diff size

spetrunia
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mariadb-YuchenPei
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a2d80ea
Inline the mvi_key variable into its only use

authored and
mariadb-YuchenPei
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520d274
Move the multi-valued key part DDL out of the grammar

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mariadb-YuchenPei
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1c57220
opt_mvi_jsonfuncs.cc: Move the code, const-ify, add comments.

spetrunia
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mariadb-YuchenPei
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2d4e9d5
Improve comments, formatting.

spetrunia
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mariadb-YuchenPei
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b8ccf8b
MDEV-40168 Add testcases for when there's both a ft index and an mvi
mariadb-YuchenPei
committed
c5bbce6
MDEV-40168 Add some DDL tests
mariadb-YuchenPei
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f490dd7

Commits on Sep 11, 2026

MDEV-40168 Merge same-mvi accesses and choose the best mvi access for a table based on costs

mariadb-YuchenPei
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claude
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5226d94
More comments, code readability. No functional changes.

spetrunia
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mariadb-YuchenPei
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b84a36f
MDEV-40168 Don't use an MVI for an depth-2 OVERLAPS array with no keys

mariadb-YuchenPei
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claude
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05bc775
MDEV-40168 Factor out the MVI array walk

mariadb-YuchenPei
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691c44b
MDEV-40168 Make an over-long key a prefix key instead of no key

mariadb-YuchenPei
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3f4d449
MDEV-40168 Check the keys against the engine's fulltext token sizes

mariadb-YuchenPei
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d34f4d3
MDEV-40168 Refuse a write that would corrupt an MVI

mariadb-YuchenPei
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8d13ec5