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HHH-18834 Optimizer query hints are not available in mysql #9229

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HHH-18834 Optimizer query hints are not available in mysql #9229

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HHH-18834 Optimizer query hints are not available in mysql
jeonjonghyeok Nov 9, 2024
929740e
Merge remote-tracking branch 'upstream/main' into HHH-18834
jeonjonghyeok Nov 11, 2024
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13 changes: 10 additions & 3 deletions hibernate-core/src/main/java/org/hibernate/dialect/Dialect.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4781,15 +4781,22 @@ public static String addQueryHints(String query, String hints) {
String startToken = matcher.group( 1 );
String endToken = matcher.group( 2 );

// optimizer hint
if ( hints.startsWith( "/*+" ) && hints.endsWith( "*/" ) ) {
return startToken +
" " +
hints +
" " +
endToken;
}

return startToken +
" use index (" +
hints +
") " +
endToken;
}
else {
return query;
}
return query;
}

/**
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