com.amazon.redshift.jdbc

Class MetadataAPIHelper

java.lang.Object

com.amazon.redshift.jdbc.MetadataAPIHelper

Direct Known Subclasses:

MetadataAPIPostProcessing, MetadataServerAPIHelper

public class MetadataAPIHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MetadataAPIHelper.enumFunc<T extends Enum<T>>
static class	MetadataAPIHelper.GetCatalogs_Metadata
static class	MetadataAPIHelper.GetColumns_Metadata
static class	MetadataAPIHelper.GetSchemas_Metadata
static class	MetadataAPIHelper.GetTables_Metadata

Field Summary

Fields

Modifier and Type	Field and Description
protected RedshiftConnectionImpl	connection
protected Field[]	GET_CATALOGS_COLS
protected Field[]	GET_COLUMNS_COLS
protected Field[]	GET_SCHEMAS_COLS
protected Field[]	GET_TABLES_COLS
static String	SHOW_COLUMNS_CHARACTER_MAXIMUM_LENGTH
static String	SHOW_COLUMNS_COLUMN_DEFAULT
static String	SHOW_COLUMNS_COLUMN_NAME
static String	SHOW_COLUMNS_DATA_TYPE
static String	SHOW_COLUMNS_DATABASE_NAME
static String	SHOW_COLUMNS_IS_NULLABLE
static String	SHOW_COLUMNS_NUMERIC_PRECISION
static String	SHOW_COLUMNS_NUMERIC_SCALE
static String	SHOW_COLUMNS_ORDINAL_POSITION
static String	SHOW_COLUMNS_REMARKS
static String	SHOW_COLUMNS_SCHEMA_NAME
static String	SHOW_COLUMNS_TABLE_NAME
static String	SHOW_DATABASES_DATABASE_NAME
static String	SHOW_SCHEMAS_DATABASE_NAME
static String	SHOW_SCHEMAS_SCHEMA_NAME
static String	SHOW_TABLES_DATABASE_NAME
static String	SHOW_TABLES_REMARKS
static String	SHOW_TABLES_SCHEMA_NAME
static String	SHOW_TABLES_TABLE_NAME
static String	SHOW_TABLES_TABLE_TYPE
protected String	SQL_PREP_SHOWCOLUMNS
protected String	SQL_PREP_SHOWDATABASES
protected String	SQL_PREP_SHOWDATABASESLIKE
protected String	SQL_PREP_SHOWSCHEMAS
protected String	SQL_PREP_SHOWSCHEMASLIKE
protected String	SQL_PREP_SHOWTABLES
protected String	SQL_SHOWCOLUMNS
protected String	SQL_SHOWCOLUMNSLIKE
protected String	SQL_SHOWDATABASES
protected String	SQL_SHOWDATABASESLIKE
protected String	SQL_SHOWSCHEMAS
protected String	SQL_SHOWSCHEMASLIKE
protected String	SQL_SHOWTABLES
protected String	SQL_SHOWTABLESLIKE

Constructor Summary

Constructors

Constructor and Description
MetadataAPIHelper(RedshiftConnectionImpl connection)

Method Summary

Modifier and Type	Method and Description
protected boolean	checkNameIsExactName(String name)
protected boolean	checkNameIsNotPattern(String name)
protected ResultSet	createEmptyRs(Field[] col, int size)
protected PreparedStatement	createMetaDataPreparedStatement(String sql)
protected Statement	createMetaDataStatement()
protected ResultSet	createNullRs(Field[] col, int size)
protected ResultSet	createRs(Field[] col, List<Tuple> data)
protected byte[]	encodeStr(String str)
protected String	getAutoIncrement(String colDef)
protected String	getColumnSize(String rsType, String character_maximum_length, String numeric_precision)
protected String	getDecimalDigit(String rsType, String numeric_scale, int precision, boolean customizePrecision)
protected byte[][]	getEmptyTuple(Field[] col, int size)
protected List<Tuple>	getEmptyTupleList(Field[] col, int size)
static <T extends Enum<T> & MetadataAPIHelper.enumFunc<T>> Field[]	getField(Supplier<T[]> enumObject)
protected String	getNullable(String nullable)
protected byte[][]	getNullTuple(int size)
protected List<Tuple>	getNullTupleList(int size)
protected String	getNumPrefixRadix(String rsType)
protected String	getRSType(String rsType)
protected String	getSQLType(String rsType)
protected ResultSet	runQuery(String sql)

Methods inherited from class java.lang.Object

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

Field Detail

connection

protected final RedshiftConnectionImpl connection

GET_CATALOGS_COLS

protected final Field[] GET_CATALOGS_COLS

GET_SCHEMAS_COLS

protected final Field[] GET_SCHEMAS_COLS

GET_TABLES_COLS

protected final Field[] GET_TABLES_COLS

GET_COLUMNS_COLS

protected final Field[] GET_COLUMNS_COLS

SHOW_DATABASES_DATABASE_NAME

public static final String SHOW_DATABASES_DATABASE_NAME

See Also:

Constant Field Values

SHOW_SCHEMAS_DATABASE_NAME

public static final String SHOW_SCHEMAS_DATABASE_NAME

See Also:

Constant Field Values

SHOW_SCHEMAS_SCHEMA_NAME

public static final String SHOW_SCHEMAS_SCHEMA_NAME

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Constant Field Values

SHOW_TABLES_DATABASE_NAME

public static final String SHOW_TABLES_DATABASE_NAME

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Constant Field Values

SHOW_TABLES_SCHEMA_NAME

public static final String SHOW_TABLES_SCHEMA_NAME

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Constant Field Values

SHOW_TABLES_TABLE_NAME

public static final String SHOW_TABLES_TABLE_NAME

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Constant Field Values

SHOW_TABLES_TABLE_TYPE

public static final String SHOW_TABLES_TABLE_TYPE

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Constant Field Values

SHOW_TABLES_REMARKS

public static final String SHOW_TABLES_REMARKS

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Constant Field Values

SHOW_COLUMNS_DATABASE_NAME

public static final String SHOW_COLUMNS_DATABASE_NAME

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Constant Field Values

SHOW_COLUMNS_SCHEMA_NAME

public static final String SHOW_COLUMNS_SCHEMA_NAME

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Constant Field Values

SHOW_COLUMNS_TABLE_NAME

public static final String SHOW_COLUMNS_TABLE_NAME

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Constant Field Values

SHOW_COLUMNS_COLUMN_NAME

public static final String SHOW_COLUMNS_COLUMN_NAME

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Constant Field Values

SHOW_COLUMNS_ORDINAL_POSITION

public static final String SHOW_COLUMNS_ORDINAL_POSITION

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Constant Field Values

SHOW_COLUMNS_COLUMN_DEFAULT

public static final String SHOW_COLUMNS_COLUMN_DEFAULT

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Constant Field Values

SHOW_COLUMNS_IS_NULLABLE

public static final String SHOW_COLUMNS_IS_NULLABLE

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Constant Field Values

SHOW_COLUMNS_DATA_TYPE

public static final String SHOW_COLUMNS_DATA_TYPE

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Constant Field Values

SHOW_COLUMNS_CHARACTER_MAXIMUM_LENGTH

public static final String SHOW_COLUMNS_CHARACTER_MAXIMUM_LENGTH

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Constant Field Values

SHOW_COLUMNS_NUMERIC_PRECISION

public static final String SHOW_COLUMNS_NUMERIC_PRECISION

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Constant Field Values

SHOW_COLUMNS_NUMERIC_SCALE

public static final String SHOW_COLUMNS_NUMERIC_SCALE

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Constant Field Values

SHOW_COLUMNS_REMARKS

public static final String SHOW_COLUMNS_REMARKS

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Constant Field Values

SQL_SHOWDATABASES

protected final String SQL_SHOWDATABASES

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Constant Field Values

SQL_SHOWDATABASESLIKE

protected final String SQL_SHOWDATABASESLIKE

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Constant Field Values

SQL_SHOWSCHEMAS

protected final String SQL_SHOWSCHEMAS

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Constant Field Values

SQL_SHOWSCHEMASLIKE

protected final String SQL_SHOWSCHEMASLIKE

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Constant Field Values

SQL_SHOWTABLES

protected final String SQL_SHOWTABLES

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Constant Field Values

SQL_SHOWTABLESLIKE

protected final String SQL_SHOWTABLESLIKE

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Constant Field Values

SQL_SHOWCOLUMNS

protected final String SQL_SHOWCOLUMNS

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Constant Field Values

SQL_SHOWCOLUMNSLIKE

protected final String SQL_SHOWCOLUMNSLIKE

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Constant Field Values

SQL_PREP_SHOWDATABASES

protected final String SQL_PREP_SHOWDATABASES

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Constant Field Values

SQL_PREP_SHOWDATABASESLIKE

protected final String SQL_PREP_SHOWDATABASESLIKE

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Constant Field Values

SQL_PREP_SHOWSCHEMAS

protected final String SQL_PREP_SHOWSCHEMAS

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Constant Field Values

SQL_PREP_SHOWSCHEMASLIKE

protected final String SQL_PREP_SHOWSCHEMASLIKE

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Constant Field Values

SQL_PREP_SHOWTABLES

protected final String SQL_PREP_SHOWTABLES

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Constant Field Values

SQL_PREP_SHOWCOLUMNS

protected final String SQL_PREP_SHOWCOLUMNS

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Constant Field Values

Constructor Detail

MetadataAPIHelper

public MetadataAPIHelper(RedshiftConnectionImpl connection)

Method Detail

getField

public static <T extends Enum<T> & MetadataAPIHelper.enumFunc<T>> Field[] getField(Supplier<T[]> enumObject)

createMetaDataStatement

protected Statement createMetaDataStatement()
                                     throws SQLException

Throws:

SQLException

createMetaDataPreparedStatement

protected PreparedStatement createMetaDataPreparedStatement(String sql)
                                                     throws SQLException

Throws:

SQLException

createEmptyRs

protected ResultSet createEmptyRs(Field[] col,
                                  int size)
                           throws SQLException

Throws:

SQLException

createNullRs

protected ResultSet createNullRs(Field[] col,
                                 int size)
                          throws SQLException

Throws:

SQLException

createRs

protected ResultSet createRs(Field[] col,
                             List<Tuple> data)
                      throws SQLException

Throws:

SQLException

runQuery

protected ResultSet runQuery(String sql)
                      throws SQLException

Throws:

SQLException

getEmptyTuple

protected byte[][] getEmptyTuple(Field[] col,
                                 int size)
                          throws SQLException

Throws:

SQLException

getEmptyTupleList

protected List<Tuple> getEmptyTupleList(Field[] col,
                                        int size)
                                 throws SQLException

Throws:

SQLException

getNullTuple

protected byte[][] getNullTuple(int size)
                         throws SQLException

Throws:

SQLException

getNullTupleList

protected List<Tuple> getNullTupleList(int size)
                                throws SQLException

Throws:

SQLException

encodeStr

protected byte[] encodeStr(String str)
                    throws SQLException

Throws:

SQLException

getRSType

protected String getRSType(String rsType)
                    throws SQLException

Throws:

SQLException

getSQLType

protected String getSQLType(String rsType)
                     throws SQLException

Throws:

SQLException

getColumnSize

protected String getColumnSize(String rsType,
                               String character_maximum_length,
                               String numeric_precision)

getDecimalDigit

protected String getDecimalDigit(String rsType,
                                 String numeric_scale,
                                 int precision,
                                 boolean customizePrecision)

getNumPrefixRadix

protected String getNumPrefixRadix(String rsType)

getNullable

protected String getNullable(String nullable)

getAutoIncrement

protected String getAutoIncrement(String colDef)

checkNameIsNotPattern

protected boolean checkNameIsNotPattern(String name)

checkNameIsExactName

protected boolean checkNameIsExactName(String name)