net.sourceforge.schemaspy

クラス DbAnalyzer

java.lang.Object

net.sourceforge.schemaspy.DbAnalyzer

public class DbAnalyzer
extends Object

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
DbAnalyzer()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
static void	dumpResultSetRow(ResultSet rs, String description) For debugging/analyzing result sets
static List<TableColumn>	getDefaultNullStringColumns(Collection<Table> tables) Returns a list of columns that have the word "NULL" or "null" as their default value instead of the likely candidate value null.
static List<ForeignKeyConstraint>	getForeignKeyConstraints(Collection<Table> tables) Returns a List of all of the ForeignKeyConstraints used by the specified tables.
static List<ImpliedForeignKeyConstraint>	getImpliedConstraints(Collection<Table> tables)
static List<TableColumn>	getMustBeUniqueNullableColumns(Collection<Table> tables) Return a list of TableColumns that are both nullable and have an index that specifies that they must be unique (a rather strange combo).
static List<Table>	getOrphans(Collection<Table> tables)
static List<String>	getPopulatedSchemas(DatabaseMetaData meta) getSchemas - returns a List of schema names (Strings) that contain tables
static List<String>	getPopulatedSchemas(DatabaseMetaData meta, String schemaSpec) getSchemas - returns a List of schema names (Strings) that contain tables and match the schemaSpec regular expression
static List<RailsForeignKeyConstraint>	getRailsConstraints(Map<String,Table> tables) Ruby on Rails-based databases typically have no real referential integrity constraints.
static List<String>	getSchemas(DatabaseMetaData meta) getSchemas - returns a List of schema names (Strings)
static List<Table>	getTablesWithIncrementingColumnNames(Collection<Table> tables)
static List<Table>	getTablesWithOneColumn(Collection<Table> tables)
static List<Table>	getTablesWithoutIndexes(Collection<Table> tables) Return a list of Tables that have neither an index nor a primary key.
static List<TableColumn>	sortColumnsByTable(List<TableColumn> columns)
static List<Table>	sortTablesByName(List<Table> tables)

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

DbAnalyzer

public DbAnalyzer()

メソッドの詳細

getImpliedConstraints

public static List<ImpliedForeignKeyConstraint> getImpliedConstraints(Collection<Table> tables)

getRailsConstraints

public static List<RailsForeignKeyConstraint> getRailsConstraints(Map<String,Table> tables)

Ruby on Rails-based databases typically have no real referential integrity constraints. Instead they have a somewhat unusual way of associating columns to primary keys.

Basically all tables have a primary key named ID. All tables are named plural names. The columns that logically reference that ID are the singular form of the table name suffixed with _ID.

A side-effect of calling this method is that the returned collection of constraints will be "tied into" the associated tables.

パラメータ:

tables -

戻り値:

List of RailsForeignKeyConstraints

getForeignKeyConstraints

public static List<ForeignKeyConstraint> getForeignKeyConstraints(Collection<Table> tables)

Returns a List of all of the ForeignKeyConstraints used by the specified tables.

パラメータ:

tables - Collection

戻り値:

List

getOrphans

public static List<Table> getOrphans(Collection<Table> tables)

getMustBeUniqueNullableColumns

public static List<TableColumn> getMustBeUniqueNullableColumns(Collection<Table> tables)

Return a list of TableColumns that are both nullable and have an index that specifies that they must be unique (a rather strange combo).

getTablesWithoutIndexes

public static List<Table> getTablesWithoutIndexes(Collection<Table> tables)

Return a list of Tables that have neither an index nor a primary key.

getTablesWithIncrementingColumnNames

public static List<Table> getTablesWithIncrementingColumnNames(Collection<Table> tables)

getTablesWithOneColumn

public static List<Table> getTablesWithOneColumn(Collection<Table> tables)

sortTablesByName

public static List<Table> sortTablesByName(List<Table> tables)

sortColumnsByTable

public static List<TableColumn> sortColumnsByTable(List<TableColumn> columns)

getDefaultNullStringColumns

public static List<TableColumn> getDefaultNullStringColumns(Collection<Table> tables)

Returns a list of columns that have the word "NULL" or "null" as their default value instead of the likely candidate value null.

パラメータ:

tables - Collection

戻り値:

List

getSchemas

public static List<String> getSchemas(DatabaseMetaData meta)
                               throws SQLException

getSchemas - returns a List of schema names (Strings)

パラメータ:

meta - DatabaseMetaData

例外:

SQLException

getPopulatedSchemas

public static List<String> getPopulatedSchemas(DatabaseMetaData meta)
                                        throws SQLException

getSchemas - returns a List of schema names (Strings) that contain tables

パラメータ:

meta - DatabaseMetaData

例外:

SQLException

getPopulatedSchemas

public static List<String> getPopulatedSchemas(DatabaseMetaData meta,
                                               String schemaSpec)
                                        throws SQLException

getSchemas - returns a List of schema names (Strings) that contain tables and match the schemaSpec regular expression

パラメータ:

meta - DatabaseMetaData

例外:

SQLException

dumpResultSetRow

public static void dumpResultSetRow(ResultSet rs,
                                    String description)
                             throws SQLException

For debugging/analyzing result sets

パラメータ:

rs - ResultSet

例外:

SQLException