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github#1328 - Removing duplicate values for multi-column FK #1329

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github#1328 - Removing duplicate values for multi-column FK #1329

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#1328 - Removing duplicate values for multi-column FK
abonacin Oct 19, 2023
b93ec16
Merge pull request #1 from abonacin/abonacin-#1328
abonacin Oct 19, 2023
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9 changes: 4 additions & 5 deletions go/logic/inspect.go
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Original file line number Diff line number Diff line change
Expand Up @@ -445,11 +445,10 @@ func (this *Inspector) validateTableForeignKeys(allowChildForeignKeys bool) erro
SUM(REFERENCED_TABLE_NAME IS NOT NULL AND TABLE_SCHEMA=? AND TABLE_NAME=?) as num_child_side_fk,
SUM(REFERENCED_TABLE_NAME IS NOT NULL AND REFERENCED_TABLE_SCHEMA=? AND REFERENCED_TABLE_NAME=?) as num_parent_side_fk
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE
REFERENCED_TABLE_NAME IS NOT NULL
AND ((TABLE_SCHEMA=? AND TABLE_NAME=?)
OR (REFERENCED_TABLE_SCHEMA=? AND REFERENCED_TABLE_NAME=?)
)
WHERE REFERENCED_TABLE_NAME IS NOT NULL
AND ORDINAL_POSITION = 1
AND ((TABLE_SCHEMA=? AND TABLE_NAME=?)
OR (REFERENCED_TABLE_SCHEMA=? AND REFERENCED_TABLE_NAME=?))
`
numParentForeignKeys := 0
numChildForeignKeys := 0
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