package org.springframework.jdbc.core.metadata;
import org.springframework.jdbc.core.SqlParameter;
import org.springframework.jdbc.core.SqlOutParameter;
import org.springframework.jdbc.core.ColumnMapRowMapper;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import java.sql.Types;
/**
* Oracle specific implementation for the {@link org.springframework.jdbc.core.metadata.CallMetaDataProvider} interface.
* This class is intended for internal use by the Simple JDBC classes.
*
* @author Thomas Risberg
* @since 2.5
*/
public class PostgresCallMetaDataProvider extends GenericCallMetaDataProvider {
private static final String RETURN_VALUE_NAME = "returnValue";
public PostgresCallMetaDataProvider(DatabaseMetaData databaseMetaData) throws SQLException {
super(databaseMetaData);
}
@Override
public boolean isReturnResultSetSupported() {
return false;
}
@Override
public boolean isRefCursorSupported() {
return true;
}
@Override
public int getRefCursorSqlType() {
return Types.OTHER;
}
@Override
public String metaDataSchemaNameToUse(String schemaName) {
// Use public schema if no schema specified
return schemaName == null ? "public" : super.metaDataSchemaNameToUse(schemaName);
}
@Override
public SqlParameter createDefaultOutParameter(String parameterName, CallParameterMetaData meta) {
if (meta.getSqlType() == Types.OTHER && "refcursor".equals(meta.getTypeName())) {
return new SqlOutParameter(parameterName, getRefCursorSqlType(), new ColumnMapRowMapper());
}
else {
return super.createDefaultOutParameter(parameterName, meta);
}
}
@Override
public boolean byPassReturnParameter(String parameterName) {
return (RETURN_VALUE_NAME.equals(parameterName) ||
super.byPassReturnParameter(parameterName));
}
}
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