@Override
protected void loadPrimaryKeys(DefaultRelations relations) throws SQLException {
for (Record record :
create()
.select(
concat(SYSTABLE.TABLE_NAME, val("__"), SYSIDX.INDEX_NAME).as("indexName"),
SYSTABLE.TABLE_NAME,
SYSTABCOL.COLUMN_NAME)
.from(SYSIDX)
.join(SYSIDXCOL)
.on(SYSIDX.TABLE_ID.equal(SYSIDXCOL.TABLE_ID))
.and(SYSIDX.INDEX_ID.equal(SYSIDXCOL.INDEX_ID))
.join(SYSTABLE)
.on(SYSIDXCOL.TABLE_ID.equal(SYSTABLE.TABLE_ID))
.join(SYSTABCOL)
.on(SYSIDXCOL.TABLE_ID.equal(SYSTABCOL.TABLE_ID))
.and(SYSIDXCOL.COLUMN_ID.equal(SYSTABCOL.COLUMN_ID))
.where(SYSIDX.INDEX_CATEGORY.equal((byte) 1))
.orderBy(SYSIDXCOL.SEQUENCE)
.fetch()) {
String key = record.getValue("indexName", String.class);
String tableName = record.getValue(SYSTABLE.TABLE_NAME);
String columnName = record.getValue(SYSTABCOL.COLUMN_NAME);
TableDefinition table = getTable(getSchema(), tableName);
if (table != null) {
relations.addPrimaryKey(key, table.getColumn(columnName));
}
}
}
@Override
protected void loadForeignKeys(DefaultRelations relations) throws SQLException {
Sysidx fkIndex = SYSIDX.as("fkIndex");
Sysidx ukIndex = SYSIDX.as("ukIndex");
Systable fkTable = SYSTABLE.as("fkTable");
Systable ukTable = SYSTABLE.as("ukTable");
for (Record record :
create()
.select(
concat(fkTable.TABLE_NAME, val("__"), fkIndex.INDEX_NAME).as("fkIndexName"),
fkTable.TABLE_NAME,
SYSTABCOL.COLUMN_NAME,
concat(ukTable.TABLE_NAME, val("__"), ukIndex.INDEX_NAME).as("ukIndexName"))
.from(SYSFKEY)
.join(fkIndex)
.on(SYSFKEY.FOREIGN_INDEX_ID.equal(fkIndex.INDEX_ID))
.and(SYSFKEY.FOREIGN_TABLE_ID.equal(fkIndex.TABLE_ID))
.join(SYSIDXCOL)
.on(fkIndex.INDEX_ID.equal(SYSIDXCOL.INDEX_ID))
.and(fkIndex.TABLE_ID.equal(SYSIDXCOL.TABLE_ID))
.join(fkTable)
.on(SYSFKEY.FOREIGN_TABLE_ID.equal(fkTable.TABLE_ID))
.join(SYSTABCOL)
.on(SYSIDXCOL.TABLE_ID.equal(SYSTABCOL.TABLE_ID))
.and(SYSIDXCOL.COLUMN_ID.equal(SYSTABCOL.COLUMN_ID))
.join(ukIndex)
.on(SYSFKEY.PRIMARY_INDEX_ID.equal(ukIndex.INDEX_ID))
.and(SYSFKEY.PRIMARY_TABLE_ID.equal(ukIndex.TABLE_ID))
.join(ukTable)
.on(SYSFKEY.PRIMARY_TABLE_ID.equal(ukTable.TABLE_ID))
.orderBy(fkTable.TABLE_NAME.asc(), fkIndex.INDEX_NAME.asc(), SYSIDXCOL.SEQUENCE.asc())
.fetch()) {
String foreignKey = record.getValue("fkIndexName", String.class);
String foreignKeyTableName = record.getValue(SYSTABLE.TABLE_NAME);
String foreignKeyColumn = record.getValue(SYSTABCOL.COLUMN_NAME);
String referencedKey = record.getValue("ukIndexName", String.class);
TableDefinition foreignKeyTable = getTable(getSchema(), foreignKeyTableName);
if (foreignKeyTable != null) {
ColumnDefinition referencingColumn = foreignKeyTable.getColumn(foreignKeyColumn);
relations.addForeignKey(foreignKey, referencedKey, referencingColumn, getSchema());
}
}
}
@Override
protected void loadUniqueKeys(DefaultRelations relations) throws SQLException {
for (Record record : fetchKeys("UNIQUE")) {
SchemaDefinition schema = getSchema(record.getValue(KeyColumnUsage.TABLE_SCHEMA));
String constraintName = record.getValue(KeyColumnUsage.CONSTRAINT_NAME);
String tableName = record.getValue(KeyColumnUsage.TABLE_NAME);
String columnName = record.getValue(KeyColumnUsage.COLUMN_NAME);
String key = getKeyName(tableName, constraintName);
TableDefinition table = getTable(schema, tableName);
if (table != null) {
relations.addUniqueKey(key, table.getColumn(columnName));
}
}
}
@Override
protected void loadUniqueKeys(DefaultRelations relations) throws SQLException {
for (Record record : fetchKeys(false)) {
SchemaDefinition schema = getSchema(record.get(Statistics.TABLE_SCHEMA));
String constraintName = record.get(Statistics.INDEX_NAME);
String tableName = record.get(Statistics.TABLE_NAME);
String columnName = record.get(Statistics.COLUMN_NAME);
String key = getKeyName(tableName, constraintName);
TableDefinition table = getTable(schema, tableName);
if (table != null) {
relations.addUniqueKey(key, table.getColumn(columnName));
}
}
}
@Override
protected void loadForeignKeys(DefaultRelations relations) throws SQLException {
for (Record record :
create()
.select(
ReferentialConstraints.CONSTRAINT_SCHEMA,
ReferentialConstraints.CONSTRAINT_NAME,
ReferentialConstraints.TABLE_NAME,
ReferentialConstraints.REFERENCED_TABLE_NAME,
ReferentialConstraints.UNIQUE_CONSTRAINT_NAME,
ReferentialConstraints.UNIQUE_CONSTRAINT_SCHEMA,
KeyColumnUsage.COLUMN_NAME)
.from(REFERENTIAL_CONSTRAINTS)
.join(KEY_COLUMN_USAGE)
.on(ReferentialConstraints.CONSTRAINT_SCHEMA.equal(KeyColumnUsage.CONSTRAINT_SCHEMA))
.and(ReferentialConstraints.CONSTRAINT_NAME.equal(KeyColumnUsage.CONSTRAINT_NAME))
.where(ReferentialConstraints.CONSTRAINT_SCHEMA.in(getInputSchemata()))
.orderBy(
KeyColumnUsage.CONSTRAINT_SCHEMA.asc(),
KeyColumnUsage.CONSTRAINT_NAME.asc(),
KeyColumnUsage.ORDINAL_POSITION.asc())
.fetch()) {
SchemaDefinition foreignKeySchema =
getSchema(record.getValue(ReferentialConstraints.CONSTRAINT_SCHEMA));
SchemaDefinition uniqueKeySchema =
getSchema(record.getValue(ReferentialConstraints.UNIQUE_CONSTRAINT_SCHEMA));
String foreignKey = record.getValue(ReferentialConstraints.CONSTRAINT_NAME);
String foreignKeyColumn = record.getValue(KeyColumnUsage.COLUMN_NAME);
String foreignKeyTableName = record.getValue(ReferentialConstraints.TABLE_NAME);
String referencedKey = record.getValue(ReferentialConstraints.UNIQUE_CONSTRAINT_NAME);
String referencedTableName = record.getValue(ReferentialConstraints.REFERENCED_TABLE_NAME);
TableDefinition foreignKeyTable = getTable(foreignKeySchema, foreignKeyTableName);
if (foreignKeyTable != null) {
ColumnDefinition column = foreignKeyTable.getColumn(foreignKeyColumn);
String key = getKeyName(referencedTableName, referencedKey);
relations.addForeignKey(foreignKey, key, column, uniqueKeySchema);
}
}
}