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/*
* Copyright 2004-2011 H2 Group.
* Copyright 2011 James Moger.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.iciql;
import java.sql.Connection;
import com.iciql.TableDefinition.IndexDefinition;
/**
* This interface defines points where iciql can build different statements
* depending on the database used.
*/
public interface SQLDialect {
/**
* Configure the dialect from the database connection.
*
* @param conn
*/
void configureDialect(Connection conn);
/**
* Returns a properly formatted table name for the dialect.
*
* @param schema
* the schema name, or null for no schema
* @param table
* the properly formatted table name
* @return the SQL snippet
*/
String prepareTableName(String schema, String table);
/**
* Returns a properly formatted column name for the dialect.
*
* @param name
* the column name
* @return the properly formatted column name
*/
String prepareColumnName(String name);
/**
* Get the CREATE INDEX statement.
*
* @param schema
* the schema name
* @param table
* the table name
* @param index
* the index definition
* @return the SQL statement
*/
String prepareCreateIndex(String schema, String table, IndexDefinition index);
/**
* Append "LIMIT limit" to the SQL statement.
*
* @param stat
* the statement
* @param limit
* the limit
*/
void appendLimit(SQLStatement stat, long limit);
/**
* Append "OFFSET offset" to the SQL statement.
*
* @param stat
* the statement
* @param offset
* the offset
*/
void appendOffset(SQLStatement stat, long offset);
/**
* Whether memory tables are supported.
*
* @return true if they are
*/
boolean supportsMemoryTables();
/**
* Whether merge is a supported function.
*
* @return true if they are
*/
boolean supportsMerge();
/**
* Whether LIMIT/OFFSET notation is supported.
*
* @return true if they are
*/
boolean supportsLimitOffset();
}
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