Details
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Bug
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Status: Open (View Workflow)
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Minor
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Resolution: Unresolved
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5.5, 10.0, 10.1, 10.2
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None
Description
The query below is almost instant on MySQL 5.6/5.7, but takes ~15 seconds on any of current MariaDB releases.
SELECT ST_BUFFER( |
ST_UNION(
|
MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 3 4 , 2 5 , 7 6 , 1 8 ) , ( 0 0 , 1 6 , 0 1 , 8 9 , 2 4 , 6 1 , 3 5 , 4 8 ) , ( 9 3 , 5 4 , 1 8 , 4 2 , 5 8 , 3 0 ) )' ) , |
MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 3 4 , 3 1 , 2 7 , 4 2 , 6 2 , 1 5 ) ) ' ) |
),
|
AREA(
|
MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( ( 7 7 , 6 7, 1 5, 7 6 , 7 7 ) ) , ( (0 5, 3 5, 3 4, 1 4 , 1 3 , 3 3 , 3 0 , 0 0 , 0 5), ( 1 1 , 2 1 , 2 2 , 1 2 , 1 1 ) ) ) ' ) |
)
|
);
|
Results are also different, though.