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Reverse table names since MySQL can not select and update:

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More information
https://stackoverflow.com/questions/4429319/you-cant-specify-target-table-for-update-in-from-clause

Attempts to fix:
'You can't specify target table 'plan_extension_user_values' for update
in FROM clause'
This commit is contained in:
Rsl1122 2019-03-26 13:51:42 +02:00
parent 47a6a9b2aa
commit c1a6fdd6fc
1 changed files with 16 additions and 7 deletions
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23
Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/RemoveUnsatisfiedConditionalResultsTransaction.java
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@ -55,24 +55,33 @@ public class RemoveUnsatisfiedConditionalResultsTransaction extends Transaction
String selectSatisfiedPositiveConditions = SELECT +
ExtensionProviderTable.PROVIDED_CONDITION + ',' +
ExtensionPlayerValueTable.USER_UUID +
FROM + playerValueTable +
INNER_JOIN + providerTable + " on " + providerTable + '.' + ExtensionProviderTable.ID + "=" + ExtensionPlayerValueTable.PROVIDER_ID +
FROM + providerTable +
INNER_JOIN + playerValueTable + " on " + providerTable + '.' + ExtensionProviderTable.ID + "=" + ExtensionPlayerValueTable.PROVIDER_ID +
WHERE + ExtensionPlayerValueTable.BOOLEAN_VALUE + "=?" +
AND + ExtensionProviderTable.PROVIDED_CONDITION + " IS NOT NULL";
String selectSatisfiedNegativeConditions = SELECT +
reversedCondition + " as " + ExtensionProviderTable.PROVIDED_CONDITION + ',' +
ExtensionPlayerValueTable.USER_UUID +
FROM + playerValueTable +
INNER_JOIN + providerTable + " on " + providerTable + '.' + ExtensionProviderTable.ID + "=" + ExtensionPlayerValueTable.PROVIDER_ID +
FROM + providerTable +
INNER_JOIN + playerValueTable + " on " + providerTable + '.' + ExtensionProviderTable.ID + "=" + ExtensionPlayerValueTable.PROVIDER_ID +
WHERE + ExtensionPlayerValueTable.BOOLEAN_VALUE + "=?" +
AND + ExtensionProviderTable.PROVIDED_CONDITION + " IS NOT NULL";
// Query contents: Set of provided_conditions
String selectSatisfiedConditions = '(' + selectSatisfiedPositiveConditions + " UNION " + selectSatisfiedNegativeConditions + ") q1";
// Query contents:
// id | uuid | q1.uuid | condition | q1.provided_condition
// -- | ---- | ------- | --------- | ---------------------
// 1 | ... | ... | A | A Satisfied condition
// 2 | ... | ... | not_B | not_B Satisfied condition
// 3 | ... | ... | NULL | NULL Satisfied condition
// 4 | ... | ... | B | NULL Unsatisfied condition, filtered to these in WHERE clause.
// 5 | ... | ... | not_C | NULL Unsatisfied condition
String selectUnsatisfiedValueIDs = SELECT + playerValueTable + '.' + ExtensionPlayerValueTable.ID +
FROM + playerValueTable +
INNER_JOIN + providerTable + " on " + providerTable + '.' + ExtensionProviderTable.ID + "=" + ExtensionPlayerValueTable.PROVIDER_ID +
LEFT_JOIN + selectSatisfiedConditions + // Left join to preserver values that don't have their condition fulfilled
FROM + providerTable +
INNER_JOIN + playerValueTable + " on " + providerTable + '.' + ExtensionProviderTable.ID + "=" + ExtensionPlayerValueTable.PROVIDER_ID +
LEFT_JOIN + selectSatisfiedConditions + // Left join to preserve values that don't have their condition fulfilled
" on (" +
playerValueTable + '.' + ExtensionPlayerValueTable.USER_UUID +
"=q1." + ExtensionPlayerValueTable.USER_UUID +