Module org.tentackle.sql

Package org.tentackle.sql

Class NonStandardCommons

java.lang.Object

org.tentackle.sql.NonStandardCommons

public class NonStandardCommons
extends Object

Holds non-SQL-standard common features supported by most backends.

Author:

harald

Method Summary

Modifier and Type	Method	Description
static String	sqlCreateCommentOnColumn(Backend backend, String tableName, String columnName, String comment)	Creates a COMMENT ON COLUMN statement.
static String	sqlCreateCommentOnSequence(Backend backend, String sequenceName, String comment)	Creates a COMMENT ON SEQUENCE statement.
static String	sqlCreateCommentOnTable(Backend backend, String tableName, String comment)	Creates a COMMENT ON TABLE statement.
static String	sqlCreateSequence(String name, Long start, Long increment)	Creates the SQL string to create a sequence.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

sqlCreateCommentOnTable

public static String sqlCreateCommentOnTable(Backend backend,
 String tableName,
 String comment)

Creates a COMMENT ON TABLE statement.

Parameters:

backend - the backend

tableName - the table name with optional schema separated by a dot

comment - optional comment, null if none

Returns:

the SQL code including the closing semicolon and newline

sqlCreateCommentOnColumn

public static String sqlCreateCommentOnColumn(Backend backend,
 String tableName,
 String columnName,
 String comment)

Creates a COMMENT ON COLUMN statement.

Parameters:

backend - the backend

tableName - the table name with optional schema separated by a dot

columnName - the column name

comment - optional comment, null if none

Returns:

the SQL code including the closing semicolon and newline

sqlCreateSequence

public static String sqlCreateSequence(String name,
 Long start,
 Long increment)

Creates the SQL string to create a sequence.

Parameters:

name - the sequence name

start - the optional start value, defaults to 1

increment - the optional increment, defaults to 1

Returns:

the SQL code

sqlCreateCommentOnSequence

public static String sqlCreateCommentOnSequence(Backend backend,
 String sequenceName,
 String comment)

Creates a COMMENT ON SEQUENCE statement.

Parameters:

backend - the backend

sequenceName - the name with optional schema separated by a dot

comment - optional comment, null if none

Returns:

the SQL code including the closing semicolon and newline