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[jOOQ/jOOQ#3521] Implement JDBCDatabase.loadForeignKeys()

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This commit is contained in:
Lukas Eder 2020-01-28 17:27:56 +01:00
parent 6662086f70
commit 9fc2e2cd61
1 changed files with 46 additions and 0 deletions
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46
jOOQ-meta/src/main/java/org/jooq/meta/AbstractMetaDatabase.java
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@ -47,6 +47,7 @@ import java.util.List;
import org.jooq.Catalog;
import org.jooq.DSLContext;
import org.jooq.Field;
import org.jooq.ForeignKey;
import org.jooq.Meta;
import org.jooq.Schema;
import org.jooq.Sequence;
@ -98,6 +99,51 @@ public abstract class AbstractMetaDatabase extends AbstractDatabase {
@Override
protected void loadForeignKeys(DefaultRelations relations) throws SQLException {
for (Schema referencingS : getSchemasFromMeta()) {
SchemaDefinition referencingSD = getSchema(referencingS.getName());
if (referencingSD != null) {
for (Table<?> referencingT : referencingS.getTables()) {
TableDefinition referencingTD = getTable(referencingSD, referencingT.getName());
if (referencingTD != null) {
for (ForeignKey<?, ?> fk : referencingT.getReferences()) {
UniqueKey<?> uk = fk.getKey();
if (uk != null) {
Table<?> referencedT = uk.getTable();
if (referencedT != null) {
Schema referencedS = referencedT.getSchema();
if (referencedS == null)
referencedS = referencingS;
SchemaDefinition referencedSD = getSchema(referencedS.getName());
TableDefinition referencedTD = getTable(referencedSD, referencedT.getName());
addForeignKey:
if (referencedTD != null) {
for (Field<?> fkField : fk.getFields())
if (referencingTD.getColumn(fkField.getName()) == null)
break addForeignKey;
for (Field<?> fkField : fk.getFields())
relations.addForeignKey(
fk.getName(),
referencingTD,
referencingTD.getColumn(fkField.getName()),
uk.getName(),
referencedTD
);
}
}
}
}
}
}
}
}
}
@Override