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[Improve][Connector-v2][MySQL] Optimize shard calculation strategy #9975

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[Improve][Connector-v2][MySQL] Optimize shard calculation strategy #9975

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e9f0757
feat(jdbc): add hashModForField method for MySQL dialect
zhangshenghang Oct 22, 2025
28921bb
feat(jdbc): add hashModForField method for MySQL dialect
zhangshenghang Nov 2, 2025
3fed16d
feat(jdbc): add hashModForField method for MySQL dialect
zhangshenghang Nov 5, 2025
b6484a4
feat(jdbc): add hashModForField method for MySQL dialect
zhangshenghang Nov 5, 2025
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5 changes: 5 additions & 0 deletions ...a/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/mysql/MysqlDialect.java
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Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,11 @@ public Map<String, String> defaultParameter() {
return map;
}

@Override
public String hashModForField(String fieldName, int mod) {
return "ABS(CRC32(" + quoteIdentifier(fieldName) + ") % " + mod + ")";
}

@Override
public TablePath parse(String tablePath) {
return TablePath.of(tablePath, false);
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