Examples with Rdb$refConstraints org.jooq.util.firebird.rdb.tables.Rdb$refConstraints used on opensource projects

Example 6 with Rdb$refConstraints

use of org.jooq.util.firebird.rdb.tables.Rdb$refConstraints in project jOOQ by jOOQ.

the class FirebirdDatabase method loadForeignKeys.

@Override
protected void loadForeignKeys(DefaultRelations relations) throws SQLException {
    Rdb$relationConstraints pk = RDB$RELATION_CONSTRAINTS.as("pk");
    Rdb$relationConstraints fk = RDB$RELATION_CONSTRAINTS.as("fk");
    Rdb$refConstraints rc = RDB$REF_CONSTRAINTS.as("rc");
    Rdb$indexSegments isp = RDB$INDEX_SEGMENTS.as("isp");
    Rdb$indexSegments isf = RDB$INDEX_SEGMENTS.as("isf");
    for (Record record : create().selectDistinct(fk.RDB$CONSTRAINT_NAME.trim().as("fk"), fk.RDB$RELATION_NAME.trim().as("fkTable"), isf.RDB$FIELD_NAME.trim().as("fkField"), pk.RDB$CONSTRAINT_NAME.trim().as("pk"), pk.RDB$RELATION_NAME.trim().as("pkTable")).from(fk).join(rc).on(fk.RDB$CONSTRAINT_NAME.eq(rc.RDB$CONSTRAINT_NAME)).join(pk).on(pk.RDB$CONSTRAINT_NAME.eq(rc.RDB$CONST_NAME_UQ)).join(isp).on(isp.RDB$INDEX_NAME.eq(pk.RDB$INDEX_NAME)).join(isf).on(isf.RDB$INDEX_NAME.eq(fk.RDB$INDEX_NAME)).where(isp.RDB$FIELD_POSITION.eq(isf.RDB$FIELD_POSITION)).orderBy(fk.RDB$CONSTRAINT_NAME.asc(), isf.RDB$FIELD_POSITION.asc()).fetch()) {
        String pkName = record.get("pk", String.class);
        String pkTable = record.get("pkTable", String.class);
        String fkName = record.get("fk", String.class);
        String fkTable = record.get("fkTable", String.class);
        String fkField = record.get("fkField", String.class);
        TableDefinition foreignKeyTable = getTable(getSchemata().get(0), fkTable, true);
        TableDefinition primaryKeyTable = getTable(getSchemata().get(0), pkTable, true);
        if (primaryKeyTable != null && foreignKeyTable != null)
            relations.addForeignKey(fkName, foreignKeyTable, foreignKeyTable.getColumn(fkField), pkName, primaryKeyTable);
    }
}