MDEV-40642 Project "JSON Phoenix" - redundant computation elimination - #5549

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arcivanov wants to merge 30 commits into

MariaDB:10.11from

arcivanov:MDEV-40642

Commits on Aug 15, 2026

Record a behavioral baseline for the JSON functions
arcivanov
committed
e078638
Say what was written into a document, and never change the answer
arcivanov
committed
3a72065
MDEV-40605 Write both ends of an aggregated object in one character set
arcivanov
committed
a45fa22

Commits on Aug 16, 2026

MDEV-40590 JSON_OVERLAPS crashes on an array nested past the depth limit
arcivanov
committed
9b030ec
MDEV-40606 Build an aggregated array in the character set it declares
arcivanov
committed
f593f0e
MDEV-40612 Close a JSON aggregate's result once per group, not per call
arcivanov
committed
8e120bc
Compile Item_copy's assert-only member wherever the assert is
arcivanov
committed
a3c97b6
Let a value carry what is known about it, instead of finding out again
arcivanov
committed
6c14f4e
MDEV-40615 Copy a value out of a document instead of writing it again
arcivanov
committed
6641089
MDEV-40625 Copy a document that is taken over, instead of pointing at it
arcivanov
committed
5501ce4
MDEV-40628 Say when text stands after a merge argument's value
arcivanov
committed
4510d82
Return a document instead of reading it again for its formatting
arcivanov
committed
d7e048d
Stop reading a column back to find out what was just put in it
arcivanov
committed
fef1d95
MDEV-40641 Ask for the room a document takes once it is written
arcivanov
committed
762c7a8
MDEV-40659 Start a Copy_field with no fields rather than with rubbish
arcivanov
committed
bce0944
MDEV-40660 Type a column JSON only on a check about that column
arcivanov
committed
870cfc5
Let a column the server filled itself attest to its values
arcivanov
committed
006eefb
MDEV-40668 Give a JSON function a document it can keep
arcivanov
committed
fb59607
MDEV-40673 CONCAT drops the value of its first argument
arcivanov
committed
8bbd1a1
Let a variable attest to the value it was given
arcivanov
committed
2f81566
MDEV-40609 JSON_KEYS gives an array, so put an array in
arcivanov
committed
1dd9b5e
MDEV-40677 Cut a JSON group back to a whole element
arcivanov
committed
bac5c7b
MDEV-40692 Let a walk that wrote no row still finish the group
arcivanov
committed
71c3c4b
MDEV-40694 Refuse a merge argument that never completed a value
arcivanov
committed
7712ac8
MDEV-40696 Count a JSON aggregate's brackets against its length limit
arcivanov
committed
358b973
Run the JSON tests under the other test-runner protocols too
arcivanov
committed
b38e78f
MDEV-40700 A JSON constructor returns a document or NULL
arcivanov
committed
c93e552
MDEV-40769 Write a character past the first plane as two escapes
arcivanov
committed
0573234
Pass on what an argument said when only its value is returned
arcivanov
committed
205e5d5
Ask the character-set wrapper what it wraps, instead of casting
arcivanov
committed
304318b

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MDEV-40642 Project "JSON Phoenix" - redundant computation elimination - #5549

MDEV-40642 Project "JSON Phoenix" - redundant computation elimination#5549
arcivanov wants to merge 30 commits into
MariaDB:10.11from
arcivanov:MDEV-40642

Commits on Aug 15, 2026

Record a behavioral baseline for the JSON functions

Say what was written into a document, and never change the answer

MDEV-40605 Write both ends of an aggregated object in one character set

Commits on Aug 16, 2026

MDEV-40590 JSON_OVERLAPS crashes on an array nested past the depth limit

MDEV-40606 Build an aggregated array in the character set it declares

MDEV-40612 Close a JSON aggregate's result once per group, not per call

Compile Item_copy's assert-only member wherever the assert is

Let a value carry what is known about it, instead of finding out again

MDEV-40615 Copy a value out of a document instead of writing it again

MDEV-40625 Copy a document that is taken over, instead of pointing at it

MDEV-40628 Say when text stands after a merge argument's value

Return a document instead of reading it again for its formatting

Stop reading a column back to find out what was just put in it

MDEV-40641 Ask for the room a document takes once it is written

MDEV-40659 Start a Copy_field with no fields rather than with rubbish

MDEV-40660 Type a column JSON only on a check about that column

Let a column the server filled itself attest to its values

MDEV-40668 Give a JSON function a document it can keep

MDEV-40673 CONCAT drops the value of its first argument

Let a variable attest to the value it was given

MDEV-40609 JSON_KEYS gives an array, so put an array in

MDEV-40677 Cut a JSON group back to a whole element

MDEV-40692 Let a walk that wrote no row still finish the group

MDEV-40694 Refuse a merge argument that never completed a value

MDEV-40696 Count a JSON aggregate's brackets against its length limit

Run the JSON tests under the other test-runner protocols too

MDEV-40700 A JSON constructor returns a document or NULL

MDEV-40769 Write a character past the first plane as two escapes

Pass on what an argument said when only its value is returned

Ask the character-set wrapper what it wraps, instead of casting